General Information
1.9 Function 17: Report Slave ID
ATC5300
Modbus Communication Protocol, Edition 03/2011, A5E02469001-02
11
1.9
Function 17: Report Slave ID
This function allows to identify the controller type.
Master query:
Slave response:
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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
Slave address
08h
Function
11h
MSB CRC
C6h
LSB CRC
7Ch
Slave address
08h
Function
11h
Byte count
04h
Data 01 - Device type
¿
61h
Data 02 - (SW revision)
04h
Data 03 - (Hardware revision)
00h
Data 04 - (Parameter revision)
01h
MSB CRC
..h
LSB CRC
..h
CODE
ERROR
01
Invalid function
02
Invalid address
03
Parameter out of range
04
Function execution impossible
06
Slave busy, function momentarily not
available
