Siemens SM 338 - Supported Encoder Types; Supported Data Formats; Firmware Update

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Product Information on the Reference Manual Programmable Logic Controllers S7-300 Module Data Release 3
A5E00409892-01
Supported encoder types
The following encoder types are supported by the SM 338; POS-INPUT:
• Absolute value encoder (SSI) with 13-bit message length
• Absolute value encoder (SSI) with 21-bit message length
• Absolute value encoder (SSI) with 25-bit message length
Supported data formats
The SM 338; POS-INPUT supports the gray code and binary code data formats.
Firmware update
1)
You can use STEP 7 HW Config firmware update to load POS-INPUT in the
operating system memory of the SM 338 in order to extend the functionality and
trouble-shooting.
Note
The old firmware is deleted with the start of the firmware update. If the firmware
update is interrupted or canceled for any reason, the SM 338; POS-INPUT is no
longer functional. Restart the firmware update and wait until it has been
successfully completed.
1)
The function is only possible in distributed configuration if the header module (slave interface) supports the
necessary system services