ABB PCS100 AVC-20 - Modbus TCP Error Codes

88 PCS100 AVC-20 User Manual
Address
Name
Access
Type
Raw Value & Scaling
1002
Start
Command
Read/Write
16-bit,
Enum
0 = No Action
1 – Start
1004
Stop
Command
Read/Write
16-bit,
Enum
0 = No Action
1 = Stop
1006
Output
Voltage
Setpoint
Read/Write
16-bit,
Signed
Voltage (line-to-line RMS volts) = raw value
x rated voltage / 8192
1007
Test Register
Read/Write
16-bit,
Signed
Dummy read / write register for testing
Table 10-1: PCS100 AVC-20 Modbus TCP User Parameters
10.3.4 Modbus TCP Error Codes
The following error codes may be returned by the Modbus TCP server.
Code
Name
Description
1
Illegal Function
Function code received in the query is not supported by this
Modbus TCP server or the query is badly formatted.
2
Illegal Data Address
The data address received in the query is not a valid address in
the Modbus TCP server. Specifically, the combination of address
and number of registers is not valid.
– Register not known by the PCS100 AVC-20
– Register is not in Modbus TCP configuration table
– Not all registers of a single parameter accessed
– Register / length mismatch
3
Illegal Data Value
The value received in the query is not an allowable value for this
register or the implied length is invalid.
– Value out of range for parameter
– Number of registers requested exceeds max.
4
Slave Device Failure
An unrecoverable error occurred while server attempted to
perform requested action.
– Read/Write access violation
– GDM hardware issues
– Insufficient access privileges
6
Slave device Busy
The Modbus TCP server is unable to process this command at
present. Retry this command again later.
– GDM VCAN server busy or unavailable
Table 10-2: PCS100 AVC-20 Modbus TCP error codes