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Analog Current signal to RS485 or RS232 Converter/Analog data acquisition module.Slim-line plastic housing with integral 35mm DIN rail mounting , power supply(8-32VDC)
Products selection guide:
Products List Samples:
WJ21-A4-485 (4-20ma input signal, output is rs485 interface)
WJ21-A3-232 (0-20ma input signal,output is rs232 interface)
WJ21-A7-485(0-±20mA input,output is rs485 interface)
WJ21-A4-232 (4-20ma input signal, output is rs232 interface)
Other types,please check our datasheet.
Features:
â— Analog signal acquisition,isolated RS-485/232 output
â— 12-bit AD converter,testing accuracy>0.1%
â— Can be remotely reconfigured for modules accuracy
â— Three-port isolation(input/output/assistant power supply): 3000VDC
â— Power supply:8~32VDC
â— High reliability,easy programme,installation.
â— Can programme setting module address,baud rate
â— 0-5V/0-10V/0-12V voltage signal or 4-20mA/0-20mA current signal input
â— Support Modbus RTU
â— DIN35 Rail-mounted
â— Dimension:106.7x79.0x25.0mm
Application:
â—Signal testing/monitoring/cintrol
â—RS-232/485 industrial automation control system
â—Industial field signal isolation
â—Process Monitoring & Control
â—Test sensors signal
â—Laboratory Data Acquisition
â—Medical machine monitoring
â—4-20mA/0-5V signal acquisition
General parameters:
(typical @ +25 deg.C, Vs to 24VDC)
Input type: Input current / voltage input
Accuracy: 0.1%
Temperature drift:± 30 ppm / ℃ (± 50 ppm / ℃, maximum)
Input Resistance: 50ÃŽ© (4-20mA/0-20mA/0- ± 20mA current input)
100ÃŽ© (0-10mA/0- ± 10mA current input)
1KÃŽ© (0-1mA/0- ± 1mA current input)
>1MÃŽ©(voltage input)
Bandwidth: -3 dB 10 Hz
Conversion rate: 10 Sps
Common Mode Rejection (CMR): 120 dB (1kohm Source Imbalance @ 50/60 Hz)
Normal Mode Rejection (NMR): 60 dB (1kohmSource Imbalance @ 50/60 Hz)
Input Protection: over-voltage protection, over-current protection
Communication: RS-485 protocol or RS-232 standard characters protocols and MODBUS RTU communication protocol
Baud Rate (1200,2400,4800,9600,19200,38400 bps) can be selected via software
Address (0 to 255) can be selected via software
Communication Response Time: 100 ms maximum
Power Supply: +8 ~ 32VDC wide range power supply, internal anti-reverse and over-voltage protection circuit
Power Loss: less than 1W
Operating Temperature: - 45 ~ +80 deg.C
Humidity: 10 ~ 90% (no condensation)
Storage Temperature: - 45 ~ +80 deg.C
Storage Humidity: 10 ~ 95% (no condensation)
Isolation Voltage: input / output: 3KVDC, 1 minute, leakage current:1mA
Which output signal and power supply are common ground.
Shock Voltage: 3KVAC, 1.2/50us (peak)
Dimensions: 106.7 mm x 79 mm x 25mm
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