16 Channels Analog Signal 4-20mA/0-5V to RS232/RS485 Isolated a-D Converter with Modbus RTU

16 channels Analog Signal 4-20mA/0-5V to 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 @ +25ºC,Vs @ 24VDC)
Input:  Voltage / Current
Accuracy:  @ +25ºC  as table 1
Nonlinearity :  @ +25ºC  as table 1
Input imbalance:  ±0.1 uA/ºC
Temperature Drift:  ±15 ppm/ºC (±30 ppm/ºC, 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 ~ +80ºC         
Operation Humidity: 10 ~ 90% (non-condensing)
Storage Temperature: - 45 ~ +80ºC              
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