8 ~ 50VDC Current / Voltage Signal To Rs232 / 485 Converter, 4-20ma / 0-10v Data Acquisition Module
Certification:CE, RoHS, ISO2008-9001
8 ~ 50VDC Current / Voltage Signal To Rs232 / 485 Converter, 4-20ma / 0-10v Data Acquisition Module
ISO 4021 series analog to digital converter realize the signal acquisition between sensor and the host to test analog signal or control remote device. The configuration software can be used for a variety of sensors including analog input, analog output, and digital signal input / output (I / O), ISO 4021 series of products can be used in industrial automation RS-232/485 bus system, 4-20mA / 0-5V signal measurement, monitoring and control, small-signal measurement, and industrial-site signal isolation and long-term transmission and so on. Through configuration of software, it can connect variety sensors including current output type, voltage output type and thermocouple etc.
Products include power supply isolation, signal isolation, linearization, A/D conversion and RS-485 serial communication. Each serial port of the maximum is 256pcs ISO 4021 series of modules, method of communication using character communication protocol ASCII or MODBUS RTU communication protocol, its command set compatible with the ADAM modules, the baud rate is set by the user, it is able to hang in the same RS-485 bus with other manufacturers control module, to facilitate computer programming.
ISODA series of products are based on single chip of intelligent monitoring and control systems, all the user to set the calibration value, address, baud rate, data format, checksum status and other configuration information are stored in nonvolatile memory EEPROM.
ISODA series of products according to industry standard design, manufacture, signal input/ output isolation voltage withstand 3000VDC, excellent anti-interference ability and high reliability. Operating temperature range: - 45℃
Applications:
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● Signal testing/ monitoring /control ● Intelligent building control, security and engineering applications ● RS-232/485 industrial automation control system ● Industrial fields signal isolation and long-terms transmission ● Debugging and controlling of equipment operation ● Sensors signal measurement ● Acquisition and record of industrial field data ● Development of medical and industrial products ● 4-20mA/0-10V signal acquisition |
Specifications:
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● Low cost, small size ● Analog signal acquisition, isolated conversion RS-485/232 output ● Measurement accuracy>0.05% ● RS-485/232 output, programmable calibrate modules accuracy ● Input signal/Output signal: Isolation voltage 3000VDC ● Wide power supply range :8 ~ 50VDC ● High reliability, convenient programming, easy installation and wring ● User can set object module address and baud rate, etc. by programming ● Support Modbus RTU communication protocol |
Function of ISO 4021:
ISO 4021 signal isolation acquisition module could be used to test one channel voltage/current; it could also be used to test 2-channel current/voltage signal which are common grounded and not interference.
1. Analog signal input
24bit acquisition accuracy grade. The product has been calibrated before ex-factory. It is also convenient to be programmed and calibrated by the user during the usage. The specific current or voltage input range need to be corresponding to the selection of product. The two outputs selection should be the same when measuring two channel signals.
2. Communication protocol
Communication Interface: 1 standard RS-485 interface or 1 standard RS-232 interface. Please note before ordering.
Communication protocol:support two types of protocol, one is standard Modbus RTU communication protocol and the other is ASCII character communication protocol. User could decide which protocol to use by programming. It could have network communication with supervisory computer control system or various types of brands PLC, RTU.
Data format:10 bit. One start bit, 8 data bit, one stop bit.
Communication address:(00H~FFH) and baud rate(300,600,1200,2400,4800,9600,19200,38400bps)could be set; The network communication distance is up to 1200 meters, connecting by double ground shield cable.
High anti-jamming of the communication interface, ±15KV ESD protection, and the response time is less than 100mS.
Anti-jamming: Set checksum according to re
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