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

Digital Input x 8 Channels 8
Input Type Isolated digital input
Wet Contact: Sink
Wet Contact Level Off Voltage Level : +9V max.
Input Impedance 10K Ohms, 0.5W
Counters channels : 8
Max. Counts: 32-bit (4,294,967,295)
Max.Input Frequency : DI-0 - DI-7 : 2KHz
Min. Pulse Width : DI1 - DI8 : 500us
Modbus RTU
Photo-Isolation 3750 VDC

Digital Output x 8 Channels 8, Sink, DMOS (OPEN DRAIN DMOS OUTPUTS, WITH RDSon = 1.5Ω FOR
VS > 6V AT 25°C)
Output Voltage 4.5 to 32V max
Output Current 400 mA to 1000 mA per channel
Overtemperature Protection Yes
Short-circuit and Overcurrent Protection Yes, 1.0A
Thermal Overload trip temperature 175°C
4KV ESD Protection (IEC61000-4-2) Yes, contact for each terminal
Intra-module Isolation, Field to Logic 3750 Vrms
Photo-Isolation high