5
2. Wire Connection for Digital Input
2-1. Wire Connection For Current Input
2-2. Wire Connection For Voltage Input
3. System Configuration Switch
The TRP-C68 DIO and AIO support the Modbus RTU and ASCII communication protocol, It has
a two pins external dip-switch that allow user to select protocol between Modbus RTU and ASCII.
The dip-switch also provides “back to INIT” function when user forget the configuring information
stored in EEPROM such as ID (RS-485 Module address), baud rate and data format.
*TRP-C68 Default setting:
ID Address: 01,
Baud Rate: 9600,
Analog Mode Type: 08,
Checksum: Disable,
Data Format: 00,
All analog input channels: Enable,
RS485 communication data format: N, 8, 1.
