Function 17: Report Slave Id; Errors - Siemens ATC5300 Manual

1.9

Function 17: Report Slave ID

This function allows to identify the controller type.
Master query:
Slave address
Function
MSB CRC
LSB CRC
Slave response:
Slave address
Function
Byte count
Data 01 - Device type ¿
Data 02 - (SW revision)
Data 03 - (Hardware revision)
Data 04 - (Parameter revision)
MSB CRC
LSB CRC
¿ 61h = ATC5300
1.10

Errors

In case the slave receives an incorrect message, it answers with a message composed by the
queried function ORed with 80 Hex, followed by an error code byte.
The following table shows the error codes sent by the slave to the master:
Table 1: Error Codes
ATC5300
Modbus Communication Protocol, Edition 03/2011, A5E02469001-02
CODE
01
02
03
04
06
1.9 Function 17: Report Slave ID
08h
11h
C6h
7Ch
08h
11h
04h
61h
04h
00h
01h
..h
..h
ERROR
Invalid function
Invalid address
Parameter out of range
Function execution impossible
Slave busy, function momentarily not
available
General Information
11