16-Channel 4-20mA to RS232/RS485 Isolated A-D Converter (ISOAD16 U(A)-)

16-channle Analog Signal RS232/RS485 Isolated A-D Converter with MODBUS RTU

Model selection

ISOAD16 U(A) -
U/A: Vin/Iin Communication interface
U1: 0-5V A1: 0-1mA 485: Output is RS-485 interface
U2: 0-10V A2: 0-10mA 232: Output is RS-232 interface
U3: 0-75mV A3: 0-20mA
U4: 0-2.5V A4: 4-20mA
U5: 0-± 5V A5: 0-± 1mA
U6: 0-± 10V A6: 0-± 10mA
U7: 0-± 100mV A7: 0-± 20mA
U8: Customized A8: Customized
Note: User could choose RS-485 or RS-232 output by the interface wiring jumper at the back of the product.
1: ISOAD16 A4-485 Means 4-20ma signal output, output is RS485 interface
2: ISOAD16 A7-232 Means 0-5V signal output, output is RS232 interface

ISOAD 16 A-D Converter General Parameters:

(typical @ +25º C, Vs @ 24VDC)
Input: Voltage / Current
Accuracy: @ +25º C as table 1
Nonlinearity: @ +25º C as table 1
Input imbalance: ± 0.1 uA/º C
Temperature Drift: ± 15 ppm/º C (± 30 ppm/º C, max)
Input load: 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: 2.5-30 KHz 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
Communications Protocol: RS-485 or RS-232 ASCII character protocol and standard MODBUS RTU communication protocol
Baud rate: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400bps, 57600, 115200bps, selectable
Address: 0~255, selectable
Response Time: 100 ms max
Operation Power Supply: +24VDC+-10%, internal anti-reverse & over-voltage protection
Watt consumption:<8W
Operation Temperature: - 45 ~ +80º C
Operation Humidity: 10 ~ 90% (non-condensing)
Storage Temperature: - 45 ~ +80º C
Storage Humidity: 10 ~ 95% (non-condensing)
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)
Appearance & dimension: 158*87.5*59mm