Error Code |
Error Message |
Solution |
RHxx128 |
Error During Initialization of Interface Module |
The unit may be faulty. Check the module. |
RHxx129 |
Illegal Initialization Parameter |
Decrease the size of input or output area in the device/PLC settings and the unit settings. |
RHxx130 |
Incorrect Interface Module Detected |
Connect the correct module. |
RHxx131 |
Network Communication Error, LED Status: [0x0*]*1 |
Check the settings of cables, communication speed, input/output sizes, and master (scanner). Please check the LED status for details. |
*1 Using the LED status and LED display, you can check the following states.
LED Status |
Network LED |
Module LED |
Description |
0x00 to 0x04 |
Does not light up |
Flashing (Green) |
Indicates any of the following conditions: No electricity is supplied on the network cable, a cable is not connected or the configuration (including settings) has not been set. |
0x04 |
Light is off |
Lit (Green) |
Indicates any of the following conditions: No electricity is supplied on the network cable, a cable is not connected or the baud rate has not been properly set. |
0x04 to 0x05 |
Flashing (Green) |
Lit (Green) |
Indicates any of the following conditions: This slave has not been set on the network or the configuration has not been properly set. Confirm the slave number. |
0x05 |
Lit (Green) |
Lit (Green) |
The master is in stop mode. |
0x06 |
Lit (Red) |
Lit (Green) |
Check the network settings. The baud rate setting is incorrect or, some settings may be overlapping (for example, slave setting). |