Low cost and small volume non isolated two-wire system4-20mAAnalog quantitycollectionConditioner

Low cost and small volume non isolated two-wire system4-20mAAnalog quantitycollectionConditioner: sy4-20mA-P series sy4-20mA-P is a non isolated two-wire system with low cost design scheme4-20mAsimulationsignalcollectionConditioner chip, belonging to sy4-20mA
2022-02-24 16:15:21ten

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simulationVoltage signal to two-wire system4-20mASignal isolation transmitter

simulationVoltage signal to two-wire system4-20mASignal isolation transmitter: ISOs V-4-20mA/ISO V-4-20mA/ISOH V-4-20mASeries ISOs V-4-20mAThe product is designed as a standard sip12 pin flame retardant IC package with low cost and small volume, which contains signal modulation and demodulationCircuitSignal coupling isolation transformationCircuitEfficient DC-DC conversion
2022-02-24 16:11:47seventeen

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4-20mAIsolation regulator (regulating active load with active signal)

4-20mAIsolation regulator (regulating active load with active signal):isos4-20mA-E/ISO4-20mA-E/ISOH4-20mA-E series is designed for the two-wire power supply circuit with 24VDC and sampling resistance (two-wire instrument) in series, which is the same as that commonly used in the current industrial fieldAnalog quantityInput interface board (upper computer), PLC, DCS or other instruments contain
2022-02-24 16:07:53twenty

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8-wayAnalog quantityInput module4-20mACurrent signalcollection

Emr-ai08-i mainchartEmr-ai08-i is an 8-way RS485 communicationfour~20mAInput module. AI has line break detection function;simulationSignal amplification samplingCircuitWith masterCircuitIsolation to effectively suppress on-site interference; High speed processing chip with powerful
1970-01-01 08:00:00

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4-20mACurrent loop two-wire passive signal isolator: ISOs4-20mA/ISO4-20mA/ISOH4-20mAseries

4-20mACurrent loop two-wire passive signal isolator: ISOs4-20mA/ISO4-20mA/ISOH4-20mASeries can be realized without any external components4-20mAOr 0-20mACurrent loop signal isolator with PCB
2022-02-24 14:14:25thirty-two

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low cost4-20mAOne in two out isolation distributor

Display, monitoring and transmission of sensor signals ● industrial field signal isolation, conversion, amplification and long-line transmission ●4-20mAGround wire interference suppression of loop signal one in two out ●simulationSignal ground wire interference suppression and data isolationcollection● safety barriers for power monitoring and isolation monitoring of medical equipment
2021-12-27 17:37:52forty-five

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Industrial RTU example 1: Remote4-20mAelectric currentcollection(fourVersion g)

Smart cloud developers can quickly realize one-stop development even if they do not understand embedded IOT development, cloud and app developmentparagraphIntelligent hardware of the Internet of things including hardware, cloud and app. 1、 This chapter describes the implementation functions. In industrial scenarios, a large number of sensor devices are4-20mAOutput interface, here we design aCircuitPlate cancollection4-20mACurrent parallelcollectionCurrent to passfourG communication module
2021-12-06 17:43:43one thousand one hundred and fifty-six

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Passive low-cost, small two-wire system4-20mA(0-20mA)Current loopsimulationSignal isolator

Two wire passive ISO4-20mA(sip12 pin package) and ISOs4-20mA(sip7 pin package)4-20mACurrent loop signal isolator is a front stage4-20mA(0-20mA)Current signal input, rear stage4-20mA(0-20mA)Passive signal isolation module for current signal output
2021-12-06 10:01:11one hundred and fifty-four

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Wireless long distance transmission4-20MAAnalog quantityDescription of

Wireless transmitter4-20mATransmitter, remote wireless data transmission module, etc.), and4-20mASignal, or 1-5V signal, is wirelessly transmitted to PLC. Using the wireless of Chengdu kejiexun ElectronicsAnalog quantityRemote transmission can perfectly solve the above problems. 1- the use and configuration of the terminal can be used when it is powered on. 2-connection method of sending end
2021-12-02 14:52:39two hundred and fifty-nine

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6-way4-20mAAnalog quantityWorking principle of input short message telephone alarm

6-way4-20mAAnalog quantityInput short message telephone alarm RTU
2021-11-18 10:23:47two hundred and ninety

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Keyi electronics launch series4-20mADAC interface chip

~20mACurrent transmissionAnalog quantity。 From the perspective of chips, the industry needs to be able to output4-20mASpecial chip with high integration of signal to improve product performance and reduceCircuitR & D, commissioning and production costs of4-20mAInterface ofCircuitStandardization. For easy access4-20mASignal, Keyi electronics launched a series of4-20m
2021-07-30 16:24:24nine hundred and thirty-eight

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Using DAC chips gp8102sl and gp8212s4-20mATwo wire scheme

Signal conversion into4-20mACurrent output. This scheme hasthreepartCircuitComposition, stabilized voltageCircuit, gp8102sl chip4-20mACurrent sampling feedbackCircuit。 Voltage stabilizationCircuitEnsure output under different input voltage (24V)4-20mAThe current remains stable, and the input power supply
2021-08-24 18:38:58one thousand and eighty-three

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singlechip4-20mACharacteristics of current isolated output

The xtr111 based4-20mAScheme of current isolation output. The digital signal is isolated and transmitted by capacitive isolation chip, and the isolated digital signal is realized by DAC chip dac8551 and reference chip ref5050aAnalog quantityoutput
2021-06-25 16:00:29three hundred and seventy-one

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8-wayAnalog quantityinstructions

Industrial grade 8-wayAnalog quantitysignalcollectionmodular,Analog quantitycollectionAccuracy reaches 1 ‰ and supports multiple rangescollection, built-in jumper range technology, support 0-20ma,4-20ma,0-5V,0-10V,0-30VcollectionIt supports ModbusRTU protocol and supports docking with various configuration software.
2021-08-06 14:05:100

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2-wayAnalog quantityinstructions

Analog quantitycollectionAccuracy reaches 1 ‰ and supports multiple rangescollection, built-in jumper range technology, support 0-20ma,4-20ma,0-5V,0-10V,0-30VcollectionIt supports ModbusRTU protocol and supports docking with various configuration software.
2021-08-06 13:40:130

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fourroadAnalog quantityinstructions

high-precisionAnalog quantitycollectionmodular,collectionAccuracy up to 1 ‰, built-in jumper range technology, supporting a variety of rangescollection, support 0-20ma,4-20ma,0-5V,0-10V,0-30VcollectionTransfer to RS485 communication, support ModbusRTU protocol, and support docking with various configuration software.
2021-08-06 13:54:190

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fourroadAnalog quantity-With isolation instructions

YX-GfourAi-485 is aparagraphIndustrial gradefourroadAnalog quantityinputcollectionModule, signalcollection. power supply double photoelectric isolation protection, supporting 0~20mAfour~20mA0~5v input, RTU built-in relay output, industrial components, support long-term operation under -40 ℃ ~85 ℃ wide temperature environment, dc5~35v power supply.
2021-08-05 17:56:040

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8-wayAnalog quantity-With isolation instructions

Yx-g8ai-485 is aparagraphIndustrial grade 8-wayAnalog quantitycollectionModule, 8-wayAnalog quantityInput to 485, support differential input, support 0~20mA4-20mA、0~5VcollectionTo RS485, signalcollectionPower supply dual photoelectric isolation protection, support ModbusRTU communication protocol, and various configuration software docking.
2021-08-05 17:56:500

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Analog quantityWhy does the equipment adopt4-20mATransmission signal

yes4-20mA. DC (1-5v.dc) signal system is adopted by the process control system of the International Electrotechnical CommissionsimulationSignal transmission standard. This international standard signal system is also adopted in China, and the instrument transmission signal adopts4-20mA. DC, receiving signal adopts 1-5v DC, i.e. signal system with current transmission and voltage reception.
2021-07-06 16:20:27four hundred and fifty-one

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PLCAnalog quantityHow to calculate?

Assume that the range of the pressure transmitter is 0~180kpa and the output signal isfour~20mAAnalog quantityThe range of the input module isfour~20mA, the converted digital quantity is 0~4000, assuming that the converted value of the feedback value is n.
2021-06-04 17:28:31two thousand two hundred and fifty-one

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Why?Analog quantityThe standard signal of current signal is generally4-20mA

4-20mAIs commonly usedAnalog quantityCurrent signal is a standard signal. Means that the minimum current is4mA, maximum current20mA。 During signal transmission, because there is resistance on the wire, if voltage transmission is used, a certain voltage drop will be generated in the wire, and the signal at the receiving end will produce a certain error. Therefore, the current signal is generally used as the
2021-06-10 16:38:33five hundred and seventy-two

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wirelessAnalog quantity/SwitchamountModule practical applicationExplain in detail

wirelessAnalog quantity, switchamountThe module is mainly designed for industrial applications, and is used for IO control of equipment in industrial environment, andAnalog quantityInstrument datacollection; Its features are explained in detail below.
2021-05-08 09:41:22sixteen

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Analog quantityTo 485collectionWhat is a module and what is its function

In reality, field bus technology is used to transmit relevant values,Analog quantityThe signal input module can provide multiple channels at the same timeAnalog quantityThe signal is input and converted into RS485 serial port data signal, which is transmitted remotely through RS485 bus, and supports multiple channels at the same time4-20mA/0-5VAnalog quantitySignal input, viaAnalog quantitySignal to 485 function, remote fieldAnalog quantitysignalcollectionTo system master
2021-05-06 11:16:41two thousand five hundred and fifty

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Analog quantitycollectionWhat is it?Analog quantitycollectionHow to use

Analog quantitycollectionrefer tosimulationSignal input,simulationSignal input refers to the physicalamountInput of. Compared with digital input, digital input is only a simple 0 and 1. Current and voltage are two different ways to activate the input unit. The mainstream view is actually accurate. The more digits,Analog quantity
2021-04-28 16:35:38one thousand and thirty-two

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Analog quantitycollectionWhat is the device and what is its principle

Products ofAnalog quantitycollectionBetter module?Analog quantitycollectionDevice is an intelligentcollectionModule forcollection0-5v/0-10/0-30v voltage signal,4-20mACurrent signal, orAnalog quantitycollectionModule, its main principle iscollectionThe input voltage and current signals are connected to the upper computer PC through the 485 communication interface, and the communication protocol adopts the standard
2021-04-01 17:45:15one thousand two hundred and eighty-nine

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Analog quantityTo digital signal AD conversion isolation transmitter SYAD series

SYAD series products can realize up to 8 channelsAnalog quantitySignal common groundcollectionIt is mainly used in RS232 or RS485 bus industrial automation control system,4-20mA/0-5V signal measurement, monitoring and control, small signal measurement, industrial field signal isolation and long line transmission, etc
2021-04-19 15:14:27seven

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4-20mACurrent loop datacollectionAnd RS485 communication (Modbus RTU protocol) datacollectionFeature data download

Electronic enthusiast network provides you with4-20mACurrent loop datacollectionAnd RS485 communication (Modbus RTU protocol) datacollectionFeatures data download, electronic data download, and other relatedCircuit diagram, source code, courseware tutorial, Chinese materials, English materials, reference design, user guide, solutions and other materials, hoping to help the majority of electronic engineers.
2021-04-20 08:53:15seventeen

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What is?Analog quantityWhat is its concept

Analog quantityWhat is it?Analog quantityIt refers to some continuously changing physicsamountSuch as voltage, current, pressure, speed, flow and other signalsamountAnalog quantityIt refers to the signal with continuous amplitude changeamount, generally 0~10v voltage andfour~20mACurrent, PLCAnalog quantityModule for datacollection
2021-02-05 16:36:27six thousand and fourteen

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485 wireless communication module and4-20mAcollectionDifferences in module transmission modes

If 485 wireless communication module is connected with4-20mAcollectionModule, the difference in transmission mode between the two is still large. Like ordinary instruments, the signal current is4-20mA, i.e. the minimum current is4mA, the maximum current is20mA。 When transmitting signals, consider that there are
2021-01-29 17:06:01three thousand and thirty-two

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Analog quantitycollectionWhat is it?Analog quantitycollectionHow to apply

Analog quantitycollectionMeanssimulationSignal input,simulationSignal input refers to the input that is used to continuously transform the physical scalar. And dataamountInput comparison, dataamountSimply 0 and 1, current and operating voltage are two different ways to plan input modules. The popular view is actually accurate. More digits
2021-03-03 13:51:18nine hundred and twenty-five

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switchamountandAnalog quantityWhat is it, switchamountAndAnalog quantityTransformation principle of

switchamountandAnalog quantityWhat is it? People who have just come into contact with the industrial control industry may not be very clear. First, what is a switchamountandAnalog quantity。 What are the functions and differences? switchamountandAnalog quantityIt is the data commonly used in industrial control PLC, and most of the input and output are through switchesamountandAnalog quantitytransmission
2021-01-29 17:04:28four thousand one hundred and eighty-four

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LTC2063 Demo Circuit – Low Power4-20mACurrent Loop Sense Amplifier

LTC2063 Demo Circuit – Low Power4-20mACurrent Loop Sense Amplifier
2021-02-03 11:55:16twelve

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Analog quantitycollectionModule usagefour~twenty mAReasons and advantages of transmitting signals

Ifour~20mA. What is the DC (1~5v.dc) signal system?four~20mA. DC (1~5v.dc) signal system is used by International Electrotechnical Commission (IEC) for process control systemsimulationSignal standards. Ddz- Ⅲ electric instrument has been adopted in China
2020-12-18 15:15:57one thousand and fifty

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8-wayAnalog quantitycollectionWhat is a module and what is its role

8-wayAnalog quantitycollectionModule key byfourChannel digital, 8-ChannelAnalog quantityInputfourRS485 communication interface communication power supply is adopted for relay output and data interfaceCircuitAnd MCU. Can complete up to 380VAC switchamountConnection inspection of data signals (e.g. air leakage switch
2020-11-12 15:47:28six hundred and fifty-two

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0-10V and4-20mAIn PLCAnalog quantityApplication in output module

Analog quantityInput modules andAnalog quantityOutput module.Analog quantityOutput modules generally have 0-5V, 0-10V and4-20mAAnd 0-24mAOutput of several signals. Keyi electronics provides gp8101, gp840x, gp8102 and gp8301 to cover the aboveAnalog quantityOutput of. TheseparagraphThe product has friendly MCU interfaces (PWM and I2C), which can realize direct
2020-10-21 10:18:19four thousand two hundred and seventy

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four20mAAnalog quantityThe output interface can visually analyze the measurement results with the help of the flexprogrammer manual operator

offour20mAAnalog quantityOutput interface, pltwentyIt can also be used to distinguish the change of process medium and evaluate the cleaning process. In addition, the visual analysis of the measurement results with the help of the flexprogrammer manual operator can ensure the transparency of the production process. In addition, byAnalog quantity
2020-09-09 17:53:47one thousand one hundred and forty-five

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plcAnalog quantitycollectionWhat is a module and what are its functions

The transmitter converts to standard current or voltage, such asfour20mA, 1~5v, 0~10v, PLC uses a/d converter to convert them into digital quantities. These digital quantities may be binary or decimal. The signed current or voltage is generally represented by binary complement after a/d conversion. Sensor beltAnalog quantityOutput,Analog quantityInput, (module means
2020-09-25 15:24:42two thousand six hundred and forty-five

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4-20mATo RS485Analog quantitycollectionWhat is the working mode of the module

4-20mASignals are commonly used in industrysimulationSignal, used to represent temperature, distance, speed, angle and other parameters. If it is necessary to use PLC or industrial computer tocollectionIt is usually converted into digital signal. At this time, it is possible to purchase electronic productsAnalog quantitycollectionmodular. frequently-usedAnalog quantitycollection
2020-09-17 15:10:39five hundred and seventy-six

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What is?Analog quantity? What is AI and what is Ao? Is AI input or output?

Conduct datacollection, which can be converted into digital quantity after sampling and quantification. Speaking ofAnalog quantity, I have to mention AI and AO. Let’s explain AI and AO. Explanation of AI and AO (1) AI signal:Analog quantityInput so-calledAnalog quantityNamely4-20mAOr 0-10V current or voltage signal, which is input into DCS and transformed to restore the original value, such as current value to D
2020-09-03 10:46:57thirteen thousand nine hundred and fifty-eight

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8-way remote networkAnalog quantity/SwitchamountcollectionIO controller RS485 relay

Production and sales of Chengdu Zhongshan TechnologyAnalog quantity/SwitchamountcollectionModule zsr2184fourG supportfourCircuit switchamountInput (Dixfour)、fourCircuit relay output (doxfour), 8-wayAnalog quantitycollection(aix8), usingfourG wireless network for remoteAnalog quantity/Digital quantitycollectionand
2020-07-07 16:06:23eight hundred and forty-seven

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4-20mABasic concepts of data transmission

understand4-20mAThe core concept behind data transmission, which is the basis for the operation of loop powered sensor transmitter devices.
2018-09-30 13:45:14one thousand two hundred and twenty-two

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Analog quantitycollectionWhat does it mean and what does it do?

Analog quantitycollectionrefer tosimulationSignal input,simulationThe signal input specifically refers to the physicalamountInput, such as specific voltage, temperature, current change, etc.Analog quantityThe concept of is corresponding to digital quantity But after quantification, it can be converted into digital quantityAnalog quantityYes
2020-05-12 17:03:05one thousand three hundred and seventeen

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Analog quantitycollectionModule zsr2184fourFunctions of G

Analog quantitycollectionModule zsr2184fourG is oneparagraphusefourG wireless network for remoteAnalog quantity/Digital quantitycollectionAnd remote relay controlled wireless measurement and control terminal (RTU), zsr2184 built-in industrial gradefourG engine and embedded processor to realize field datacollection/Wireless
2020-05-09 16:47:21five hundred and fifty-eight

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Analog quantitycollectionHow much does the module cost

nowadaysAnalog quantitycollectionThe application scope of the module is more and more extensive, covering all aspects of our life.Analog quantitycollectionPeople pay more and more attention to the cost of modules, zsr2184fourgAnalog quantitycollectionModule is aparagraphAdopted by our companyfourG wireless network for remoteAnalog quantity
2020-04-29 17:41:47one thousand and sixty-five

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Analog quantitycollectionWhat does it do

Analog quantitycollectionrefer tosimulationSignal input,simulationThe signal input specifically refers to the physicalamountInput, such as specific voltage, temperature, current change, etc.Analog quantityThe concept of is corresponding to digital quantity But after quantification, it can be converted into digital quantityAnalog quantityYes
2020-04-28 17:48:46one thousand one hundred and thirty-six

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low power consumption4-20mASensor transmitter max12900

Maxim releases small size, low power consumption4-20mASensor transmitter, effectively improve the accuracy of industrial automation system max1290 is highly integrated4-20mASensor transmitter, savingtwenty%Space and power consumption reduced by 50% Maxim jointly announced with silicon world technology
2019-10-19 11:37:24five hundred and twenty

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How to design high precision and reliable4-20mAsignal communication

use4-20mAAnalog quantityWhen communicating, both the transmitter and the receiverCircuitDesign is more complicated than digital communication, so why use it?
2020-03-17 17:36:40two thousand nine hundred and seventy-six

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Frequency converter interferes with PLCAnalog quantitycollectionMaintenance case illustration

For verification, in PLCAnalog quantity4-20mAA signal isolation module ta3012 is installed in the output channel, and the input terminals 5 and 6 of ta3012 are connectedAnalog quantityOutput module, output terminals 1 and 2 are connected to frequency converter, 3fourThe terminal is connected to the external 24VDC power supply, and the frequency converter starts normally.
2020-03-17 10:07:30five hundred and seventy-four

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Analog quantityApplication solution of Ethernet module

Analog quantitySwitch to Ethernet,simulationThe signal to network module is used tocollection4-20mACurrent signal, the port has over-current and over-voltage protection, the module has electromagnetic isolation protection, and adopts standard modbustcp communication protocol.
2020-02-27 14:53:47nine hundred and ninety-nine

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Whyfour~20mACurrent transmissionAnalog quantity

Whyfour~20mATo transmitAnalog quantity
2020-01-09 10:00:33six thousand four hundred and sixty-nine

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use4-20mAAnalog quantityThe design process of communication is more complicated than that of digital communication

use4-20mAAnalog quantityWhen communicating, both the transmitter and the receiverCircuitDesign is more complicated than digital communication, so why use it? This article will take you through the design case4-20mAsignal communication.
2019-12-30 17:20:43one thousand two hundred and ten

,

Analog quantityHow to realize the application of Ethernet module

Analog quantitySwitch to Ethernet,simulationThe signal to network module is used tocollection4-20mACurrent signal, the port has over-current and over-voltage protection, the module has electromagnetic isolation protection, and adopts standard modbustcp communication protocol.
2020-01-08 15:35:37one thousand five hundred and forty-four

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The most refined pressure sensor and temperature sensor in the industry4-20mAoutputCircuit

Temperature / pressure sensor4-20mAOutput interface scheme: 1. Temperature / pressure sensor through conditioningCircuitOutput PWM signal. 2. PWM signal is output through PAC chip gp81024-20mAelectric current
2019-11-26 09:42:02two thousand two hundred and sixteen

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PWM to 0-20mA/4-20mACurrent output module: gp8102-2

%PWM signal input of duty cycle, linear conversion to 0-20mA/4-20mAofsimulationCurrent output. L input signal range 0%-100% l frequency range of input PWM signal: 1Hz to 1MHz l input PWM signal high level
2019-12-03 13:25:19nine thousand and seventeen

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In several PLCsAnalog quantityofcollection

In the process of automatic control, unless some simple control cabinets are combined, these places can basically use IO points to realize all actions, and a slightly more complex engineering project will certainly haveAnalog quantitycollectionOr communication, and I am using blog for the first timechartYou need to useAnalog quantitycollectionSignal of
2019-12-03 08:57:57one thousand three hundred and twenty-six

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In PLCAnalog quantityofcollectionAnd handling cases

PLC pairAnalog quantityDatacollectionBasically, special a /d modules and special function instructions are used to cooperate, which makes it easy for designers to realize externalAnalog quantityReal time of datacollection, andcollectionThe data of is automatically stored in the specified data unit.
2019-11-26 09:32:19five thousand one hundred and twenty-four

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In PLCAnalog quantityofcollection

abovechart, which I first usedAnalog quantitycollectionMode, current signal isfourreach20mA, the converted frequency is 0-50Hz, and the corresponding value here is 6400 to 32000. There is frequency conversion behind, so I didn’t post it.
2019-11-26 09:17:02two thousand three hundred and one

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The most refined single chip microcomputer PWM converter in the industry4-20mACircuitthrough

MCU PWM to 0/4-20mACircuitScheme: 1. Gp8102 can convert PWM signal of single chip microcomputer to 0/4-20mACurrent output, in which four kinds of 0 can be realized through the cooperation of peripheral devices/4-20mACurrent output, accuracy can reach 0.5%. 2. Type1: basic type2: common source type3: two wire typefour: common ground type
2019-11-22 09:11:37five thousand and thirty-eight

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No more4-20mACircuitPuzzling, PAC chip gp8102 provides a simple solution

4-20mAInterface is a classic interface in industrial control equipment, and current mode realizessimulationLong distance transmission of signals,4mAThe setting as the starting point is also conducive to line fault monitoring. But because the general control chip is voltageamountOutput, to achieve4-20mAIt is often necessary to use an operational amplifier
2019-11-14 11:37:15thirteen thousand two hundred and eighty-one

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Simplest single chip microcomputer output4-20mACircuit: PWM conversion based on gp81024-20mA

4-20mAIt is a frequently used industrial control interface. Unfortunately, this kind of high-voltage interface is not available in general MCU, and it usually needs to be realized by connecting multiple devices4-20mAAnd it also needs calibration, so mass production is very troublesome. PAC chip gp8102 can realize4-20mAOutput of, single chip solution, peripheralCircuitVery simple.
2019-10-30 10:26:20seven thousand and nine

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What is?Analog quantitycollectionAnalog quantitycollectionHow to use the device

And control. The lower equipment usually includes voltage transmitter, current transmitter, thermometer, hygrometer, pressure gauge, flowmeter, valve opening, pH meter, conductivity meter, etcAnalog quantityEquipment. actuallyAnalog quantitycollectionAn instrument is aparagraphbe used forcollection0-5V voltage signal,4-20mAIntelligence of current signalcollectionmodular
2019-10-21 13:33:18seven thousand nine hundred and seventy-seven

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usefour~20mACurrent transmission ofAnalog quantityWhy?

, which need to be converted intoAnalog quantityElectrical signals can be transmitted to the control room or display equipment hundreds of meters away. The most widely used in industry is to usefour~20mACurrent transmissionAnalog quantity
2019-09-19 17:26:07one thousand three hundred and forty-two

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Why use4-20mAsignal communication

1-5V. DC, i.e. signal system with current transmission and voltage reception. use4-20mAAnalog quantityWhen communicating, both the transmitter and the receiverCircuitDesign is more complicated than digital communication, so why use it? This article will take you through the design case4-20mAsignal communication.
2019-09-02 16:16:19five thousand two hundred and thirteen

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Why is the sensor4-20MA4-20MAHow far can the current signal be transmitted

It is generally necessary to measure all kinds of non electric physics in industryamountFor example, temperature, pressure, speed, angle, etc. need to be converted intoAnalog quantityElectrical signals can be transmitted to the control room or display equipment hundreds of meters away. This will be physicalamountThe equipment that converts electrical signals is called a transmitter. The most widely used in industry is to usefour~20mACurrent transmissionAnalog quantity
2019-04-23 17:34:24one

,

Combined with design cases4-20mAsignal communication

use4-20mAAnalog quantityWhen communicating, both the transmitter and the receiverCircuitDesign is more complicated than digital communication, so why use it? This article will take you through the design case4-20mAsignal communication.
2019-05-21 16:02:04six thousand six hundred and sixty-six

,

PLC commissioning andAnalog quantityWhat should I do with the jump

Using a hand-held signal transmitter4-20mAThe output signal source outputs the standard current signal to the frequency converter. The down converter is started, so we ruled outAnalog quantityFailure of output board and frequency converter.
2019-05-20 15:33:11seven thousand five hundred and six

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Whyfour20mATo transmitAnalog quantity

, which need to be converted intoAnalog quantityElectrical signals can be transmitted to the control room or display equipment hundreds of meters away. The most widely used in industry is to usefour~20mACurrent transmissionAnalog quantity
2019-01-19 09:32:42three thousand four hundred and fifty-seven

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usefour~20mATo transmitAnalog quantityRoot cause of

The most widely used in industry is to usefour~20mACurrent transmissionAnalog quantity
2018-12-19 09:57:25ten thousand nine hundred and thirty-four

,

What is a switchamount? What is?Analog quantity

The pressure signal is converted into a current signal, which is output at points a and B. The right side of the figure is the schematic diagram of the conversion process, which can convert a 0-10kpa pressure signal into a4-20mAThe current signal is output from two points a and B. At this time, we say that the two points a and B output oneAnalog quantitySignal.Analog quantityThe characteristic of a signal is that its value is continuously variable within a numerical range.
2018-11-23 14:28:56five thousand and one hundred

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8-wayAnalog quantitycollection,0~20mAIntelligent measurement and control terminal

Break through traditioncollection+Wireless data transmission in one Zhongshan technology – IntelligentcollectionTerminal | RTU (model: zsr2184) provides 8 channelsAnalog quantity(0~20mA)SignalcollectionfourCircuit switchamountsignalcollection, which can connect various field sensorssimulationSignals and switchesamountSignal, support threshold
2018-07-17 11:43:53four thousand eight hundred and seventeen

,

PWM conversion toAnalog quantityVoltageCircuitintroduce

This paper first introduces the principle of PWM, then introduces the PWM classification and signal generationCircuit diagramFinally, the PWM conversion toAnalog quantityVoltageCircuit diagram
2018-05-22 10:11:22forty-two thousand two hundred and ninety-one

,

Talking about4-20mASignal transmission technology and its application

The signal current of general instruments is4-20mAFor process control systemsimulationSignal standards. It is a signal for industrial control, and the output signal of general field instruments is4-20mAIt is a transmission signal. Generally, as long as it is lower than4mAOutput, the input side is considered as zero.
2018-02-07 17:08:03twelve thousand eight hundred and thirty-three

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In digital systemAnalog quantityLinear fitting calibration of

Digital integration in recent decadesCircuitThe rapid development ofCircuitHas formed a dominant position in all walks of life, andAnalog quantityofcollectionOr control has been widely used in all walks of life. In numberCircuitMedium,Analog quantityofcollectionOr control basically depends on a / D and D / a conversionCircuit, due to modulus and number
2018-02-07 14:18:41two

,

Lx-raio wirelessAnalog quantitycollectionIntroduction of module and transmission module

4-20mAWireless remote transmission of current or voltage signals, such as 0-5V, 0-10V, etc. the module has the characteristics of integrated transceiver, convenient installation, simple use, high cost performance, stability and reliability. It is the best choice for upgrading the sliding speed line, drag cable, slip ring and other wired signal transmission of the original equipment or system. Lx-raio series wirelessAnalog quantitycollectionThe module is currently configured with 2aifourAI、2AO、
2017-11-15 15:25:25twelve

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wirelessAnalog quantityTerminal dtd110f

Dtd110f wirelessAnalog quantityTerminal supplyfourroadAnalog quantityInputfourroadAnalog quantityOutput, wireless transmission of industrial fieldAnalog quantitySignals, providingfourroadfour~20mASignal input andfourroadfour~20mASignal output.
2017-09-20 18:51:22sixteen

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Lx-raio series wirelessAnalog quantitycollectionModule information manual

Lx-raio series wirelessAnalog quantitycollectionThe module is an industrial controller independently developed by Shenzhen Qianhai lianxun Technology Co., Ltd. Support point-to-point and point to multipoint wirelessAnalog quantitysignalcollectionAnd control methods, such as4-20mA, 0-5V, 0-10V and other current or voltage signals
2017-09-05 10:14:28two

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Two wire system4-20mADifferential signalcollectionConditioning IC

A two-wire system4-20mADifferential signalcollectionThe conditioning chip IC contains differential signalscollection, conditioning and transformationCircuit。 The standard input equivalent resistance enables the IC tocollectionTo the differential signal to meet the needs of the user’s single-chip microcomputer to receive the signal. (±9 ~±15V
2016-11-17 14:56:41one hundred and twenty-eight

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4-20mAIsolation amplification transmission table

Isolation transformationCircuit, display and alarm controlCircuitEtc. Especially applicable to: 0-75mv/0-5v/0-10v/0-1mA/0-20mA/4-20mAetc.Analog quantityTransmission, display and control of isolation amplification without adjustment.
2016-11-16 14:59:51seven

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4-20mAOperation manual of signal generator

4-20maGenerator instructionschartAnd method of use. Very detailed.
2015-12-14 17:31:27thirty-six

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14 bits4-20mALoop powered thermocouple temperature measurement systemCircuit diagram

As shown inCircuitIs oneparagraphComplete loop powered thermocouple temperature measurement system based on arm Cortex-M3, using precisionsimulationPWM function control of microcontrollerfour mAtotwenty mAOutput current.
2013-12-23 11:35:09three thousand nine hundred and twenty-one

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One way4-20mAdriveCircuit(the main chip is 82c53)

The main chip is 82c53, single channel4-20mAdriveCircuit
2009-11-01 15:21:26eighty-two

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With 5V power supply4-20mAelectric currentCircuitTransmitterCircuit diagram

With 5V power supply4-20mAelectric currentCircuitTransmitterCircuit diagram
2009-06-29 10:28:05one thousand one hundred and forty-eight

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sensorfour~20mAenlargeCircuit diagram

sensorfour~20mAenlargeCircuit diagram
2009-06-29 10:21:46seven hundred and forty-six

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RTD isolation4-20mATransformationCircuit diagram

RTD isolation4-20mATransformationCircuit diagram
2009-06-29 10:19:53one thousand three hundred and sixty-one

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Xtr110 isolation4-20mATransmitterCircuit diagram

Xtr110 isolation4-20mATransmitterCircuit diagram
2009-06-27 16:45:52one thousand and sixty-seven

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OPT301 optical detection4-20mACurrent transmitterCircuit diagram

OPT301 optical detection4-20mACurrent transmitterCircuit diagram
2009-06-26 15:42:19eight hundred and ninety

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Opt209 optical detection4-20mACurrent transmitterCircuit diagram

Opt209 optical detection4-20mACurrent transmitterCircuit diagram
2009-06-26 15:31:03eight hundred and eighteen

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Isc300 isolationfour~20mAreceiverCircuit diagram

Isc300 isolationfour~20mAreceiverCircuit diagram
2009-06-25 10:19:52one thousand one hundred and ten

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4-20mATemperature transmission ofCircuit diagram

4-20mATemperature transmission ofCircuit diagram
2009-06-25 10:01:17one thousand one hundred and six

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Add Fault Protection to4-20mA

Abstract: This circuit provides flexible fault protection for a4-20mAcurrent loop. In addition
2009-04-29 10:48:17one thousand and thirty-nine

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Add Fault Protection to4-20mA

Abstract: This circuit provides flexible fault protection for a4-20mAcurrent loop. In addition
2009-04-24 15:34:22eight hundred and one

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Practical frequency doublingCircuit diagram(availableAnalog quantity)

Practical frequency doublingCircuit diagram(availableAnalog quantity)
2009-04-05 09:34:28two thousand two hundred and eighteen

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belt4-20mAPressure detection of current ringCircuit

belt4-20mAPressure detection of current ringCircuit
2009-02-22 11:24:00two thousand two hundred and fifty-three

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4-20mAPressure transmitterCircuit

4-20mAPressure transmitterCircuit
2009-02-21 20:33:10three thousand three hundred and seventy-two

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4-20mACurrent loop output conversionCircuit

4-20mACurrent loop output conversionCircuit
2009-02-21 20:32:22three thousand and forty-nine

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4-20mATransmitter interfaceCircuit

4-20mATransmitter interfaceCircuit
2009-02-21 20:31:26one thousand two hundred and forty-three

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With mpx7100 pressure sensor4-20MATransmitterCircuit

With mpx7100 pressure sensor4-20MATransmitterCircuit
2009-02-09 16:06:48nine hundred and thirty-nine

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4-20maCircuitprinciplechart

4-20maCircuitprinciplechart:AD5660 pdf
2008-07-13 16:47:06twelve thousand and eighty-four

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Current transmitterCircuit diagram(light detection4-20MA)

Current transmitterCircuit diagramLight detection4-20MA
2008-05-15 08:46:55one thousand five hundred and thirty-two

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4-20maSignal generatorCircuit(self made)

4-20maSignal generatorCircuitFabrication requirements: take the accuracy of grade 0.5 as an example, two-wire systemfour20mAsimulationExecutive standard of constant loop signal generator
2008-05-12 09:55:11sixteen thousand nine hundred and fifty

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