3 master command status, 1 master command status error code definitions – ProSoft Technology 5301-MBP-ASCII User Manual
Page 38

Serial Port Modbus Error and Status Data
MBP ♦ ProLinx Gateway
Protocol Manual
Modbus Plus
Page 38 of 52
ProSoft Technology, Inc.
May 12, 2011
6.3
Master Command Status
The following table lists the registers that contain Master Command Status error
codes for each device. The register address range is 4170 to 4369.
Status Register
Description
4170
Master Command Status: #1
4171
Master Command Status: #2
4172
Master Command Status: #3
4173
Master Command Status: #4
4174
Master Command Status: #5
-
----
4368
Master Command Status: #199
4369
Master Command Status: #200
6.3.1 Master Command Status Error Code Definitions
The following error codes may be present in the Master Command Status error
code registers listed in the previous table. The following table lists each of the
codes and associated definition.
High Byte
Low Byte
Description
0x00
Normal: Driver will reset when processing commands.
0x01
Command has completed successfully.
0x02
Routing Errors
0x01
No response received: Is addressed unit online?
0x02
Program access denied.
0x04
Exception response received.
0x08
Invalid node type in routing path.
0x10
Slave rejected the Modbus command: Invalid input path?
0x20
Initiated transaction forgotten by slave.
0x40
Unexpected master output path received.
0x80
Unexpected response received.
0x04
Configuration Errors
0x01
Invalid configuration for command.
0x02
Invalid command type: 1=Write, 2=Read, All other errors.
0x04
0x08
0x10
0x20
0x40
0x80