Siemens SIMATIC ET 200eco PN M12-L Equipment Manual page 88

Parameters
The following figure shows the structure of the parameters for a channel.
Activate a parameter by setting the corresponding bit to "1".
The channel number depends on the parameter assignment of the I/O device.
• Configured as 1 x 8-channel I/O device:
* x = 7 + (channel number * 3); channel number = 0 to 7
Figure B-6
CM 8x IO-Link + DIQ 8x24VDC M12-L 8xM12 (6ES7148-6JJ00-0BB0) communications module
Equipment Manual, 12/2022, A5E51718265-AB
B.2 Structure of data record 128 for I/O device parameter assignment (DIQ)
Structure of byte x to x + 3
Parameter data record
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