Siemens SIMATIC ET 200SP CM 1xDALI - Wiring; Important notes on using the device

CM 1xDALI communication model
2.3 Sending/receiving CM commands
ET 200SP CM 1xDALI Communication Model Description
14 Programming Manual, 12/2019, A5E47581955-AA
2. Response data CPU gets from the input Process Image
Byte
Value
Description
0
16#01
Command index: the response has the same index.
1 16#A0 Version: it must be 16#A0.
2 16#76 Checksum: the total length of this command is 15 bytes, so the calculation is:
(byte 3 + byte 4 + … + byte 15) XOR 16#FF = 16#76.
3 16#0F Length: total length of this command. Byte 0 is the command index and is not
counted in.
4 16#80 Bit 7: always 1 from CM 1xDALI
Bit 6 to 0: Command ID. 0 is “poll status and event of CM 1xDALI”.
5 16#00 Response parameters - Return code: 0 indicates that the command is com-
pleted successfully.
6
16#00
Response parameters - CM 1xDALI status: 0 indicates that CM 1xDALI is
working normally.
7
16#00
8
16#00
9
16#00
10
16#FF
Response parameters – Event message 1: 16#FFFFFF indicates that no
event message is received.
11
16#FF
12
16#FF
13
16#FF
Response parameters – Event message 2: 16#FFFFFF indicates that no
event message is received.
14
16#FF
15
16#FF