Modbus I/O unit


img Features
•   Modbus RTU and TCP/UDP protocols supported
•   Built-in web server for web-based remotely I/O access
•   Three control ports with Ethernet, USB and RS485/RS422
•   Flexible adapting network deployment
•   Models with various I/O function for selection
•   Power input DC 12V- 48V
•   ESD protection 4KV contact for each channel
•   Modbus gateway function, The Modbus host can communicate through the
•   Ethernet/USB cable via Modbus gateway to control the other Modbus slave
•   device with RS422/RS485 interface.

Communication Ethernet Port 2X10/100Base-TX
Serial Port RS-485 / RS-422
Format N.8.1
Baud Rate 1200 ~ 115200bps
USB port USB 2.0
LED Display 1 LED as Power indicator
1 LED as Communication indicator
Power Input Voltage Range 12 ~ 48V DC
Power Consumption Max 2.7W
Protocol Support Modbus Protocol Modbus TCP,which is the Modbus RTU protocol embedded into TCP packets.
Modbus RTU
Environment Operating Temperature -25 ~ 70°C
Storage Temperature -40 ~ 85°C
Humidity 5 ~ 95% RH, non-condensing

Analog Input x 4 Channels 4
Type 0~10V
Resoulation 16-bit
Sampling Rate 19.86 Samples/Sec
Bandwidth 19.79Hz
Common Mode Rejection 90 dB Min.
Normal Mode Rejection 60 dB Min.
Input Impedance 100KΩ
ESD Protection 4 kV Contact for each terminal and 8 kV Air for random points

Analog Output x 4 Channels 4
Type +0 mA ~ +20 mA, +4 mA ~ +20 mA
Resoulation 12-bit
Accuracy +/- 0.1 % of PSR
Voltage Output Capability 10 V @ 20 mA
Current Load Resistance 500 Ohms
Open Wire for Current Output 0 mA ~ 20 mA