Gold Member Since 2012
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Shenzhen Sunyuan Technology Co., Ltd.

4-20mA to RS232, 4-20mA to RS485, Modubus RTU manufacturer / supplier in China, offering 4-20mA to RS485 RS232 Converter-2-4 Channel, 1W High Power Density, Regulated Dual Output DC/DC Converter Wre1209s-1W, Current to Frequency Converter DIN1X1 ISO A4-P2-F6 and so on.

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Supplier Homepage Product Multi-channel 4-20mA to RS232 RS485 A-D Converter 4-20mA to RS485 RS232 Converter-2-4 Channel

4-20mA to RS485 RS232 Converter-2-4 Channel

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 5000PCS/Week
Payment Terms: T/T, Paypal, Western Union

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Basic Info
  • Model NO.: SY AD02A/04A
  • Input: 4-20mA, 0-5V, 0-10V, 0-75mv, 0-+/-5V, 0-10mA,etc
  • Amount of Channel: 2-4 Channel
  • Specification: CE, RoHS, ISO9001: 2008
  • Dimension: 83mm X 37 Mm X 51 Mm
  • Output: RS232 or RS485 Digital Signal
  • Trademark: SUNYUANSZ
  • Origin: Shenzhen, Guangdong
Product Description

(typical @ +25ºC,Vs is 24VDC)
Input:  Current/Voltage input
Accuracy: 0.05%
Input Imbalance: ±0.1 uA/ºC
Temperature Drift: ±15 ppm/ºC (±30 ppm/ºC,Max.)
Input Resistance: 50Ω (4-20mA/0-20mA/0-±20mA current input)  
              100Ω (0-10mA/0-±10mA current input)
              1KΩ (0-1mA/0-±1mA current input)
              >1MΩ(Voltage input)   
Band width:  -3 dB 10 Hz
Switching rate: 10 Sps
Common mode restraint (CMR): 120 dB(1kΩ Source Imbalance @ 50/60 Hz)
Normal mode restraint (NMR):  60 dB (1kΩ Source Imbalance @ 50/60 Hz)
Input terminal protection: over-voltage / over-current protection
Communication:  Protocol RS-485 or RS-232;ASCII character protocol and MODBUS RTU communication protocol. Baud rage(300bps,600 bps,1200 bps,2400 bps,4800 bps,9600 bps,19200 bps,38400bps)(can be set through software).
Address:(00H~FFH)can be set through software
Synchronous Acquisition:support
Response time: 100 ms Max.
Operation Power Supply:+8 ~ 50 VDC wide range power, internal anti-inverse connection and over-voltage protection circuit. 
Power Consumption:≤1W
Operation Temperature:- 45 ~ +80ºC     
Operation Humidity:10 ~ 90% (no dew)
Storage Temperature:- 45 ~ +85ºC               
Storage Humidity:10 ~ 95% (no dew)                                     
Isolation Withstand Voltage: 3KVDC between input and output,1 minute,stray current 1mA, Output and power are common-ground 
Endure Impact Voltage: 3KVAC, 1.2/50us(peak value)
Dimension:83mm  x  37 mm  x  51 mm
Weight:about 72g

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