ProSoft Technology ILX56-MM User Manual
Page 99

ILX56-MM ♦ ControlLogix Platform
Reference
InRAx Message Manager for Industrial Communication
User Manual
ProSoft Technology, Inc.
Page 99 of 112
February 6, 2012
Modbus Master TCP Driver Errors
Error Code
Description
201h
Invalid Modbus function code
201h-2FFh
Reserved for raw Modbus error response (lower 8 bits)
202h
Invalid Modbus register or coil
203h
Invalid Modbus data value
204h
Unrecoverable Modbus failure
205h
Modbus ACK
206h
Modbus busy
207h
Modbus NAK
208h
Modbus memory parity failure
209h-2FFh
Device-specific error or unknown error
301h
General (unexpected) error
302h
General transmit or receive mismatch error
303h
Transmit timeout
304h
Receive timeout
305h
Receive buffer overflow
306h
Serial framing error (parity mismatch, and so on)
307h
TCP open socket error
308h
Modbus connection error
309h
TCP connection timeout
30Ah
TCP socket transmit error
30Bh
TCP socket receive error
30Ch
Bad IP address