Smb1000-Smb1049: Cpu Hardware/Firmware Id; Smb1050-Smb1099: Sb (Signal Board) Hardware/Firmware Id - Siemens Simatic S7 Series System Manual

Special memory (SM) and system symbol names
D.26 SMB1000-SMB1049: CPU hardware/firmware ID
D.26

SMB1000-SMB1049: CPU hardware/firmware ID

This CPU information is written to special memory after a power-up or warm restart
transition. The SMB1000-SMB1049 section of special memory is read-only.
SM address
SMW1000
SMB1002 to SMB1021
SMB1022 to SMB1037
SMW1038
SMD1040
SMW1044
SMW1046
SMW1048
D.27

SMB1050-SMB1099: SB (signal board) hardware/firmware ID

This signal board information is written to special memory after a power-up or warm restart
transition. The SMB1050-SMB1099 section of special memory is read-only.
SM address
SMW1050
SMB1052 to SMB1071
SMB1072 to SMB1087
SMW1088
SMD1090
SMW1094
SMW1096
SMW1098
688
Description
CPU vendor ID: (always 0x002A)
CPU order ID (MLFB): ASCII characters, left-justified in field, padded with spaces
CPU serial number: ASCII characters, left-justified in field, padded with spaces
CPU hardware version: Represents the hardware E-stand; range = 0x0001 to 0xFFFD
(0x0000, 0xFFFE, and 0xFFFF are reserved values)
CPU firmware version: Byte 0 is ASCII 'V'; byte 1=functional version; byte 2=minor change
version; byte 3=bug fix version (range of bytes 1-3 = 0x00 to 0xFF)
CPU firmware version counter (range 0x0000 to 0x00FF)
Reserved: Always 0x0000
CPU device type: Always 0x0001
Description
Signal board vendor ID: Set to 0x002A if a Siemens SB is present and 0x0000 if no SB is pre-
sent
Signal board order ID (MLFB): ASCII characters, left-justified in field, padded with spaces
Signal board serial number: ASCII characters, left-justified in field, padded with spaces
Signal board hardware version: Represents the hardware E-stand; range=0x0001 to 0xFFFD,
(0x0000, 0xFFFE, and 0xFFFF are reserved values)
Signal board firmware version; Byte 0 is ASCII 'V'; byte 1=functional version; byte 2=minor
change version; byte 3=bug fix version (range of bytes 1-3 = 0x00 to 0xFF)
Signal board firmware version counter (range 0x0000 to 0x00FF)
Reserved, always 0x0000
Signal board device type: I/O=0x0003, communications=0x0004, all other values reserved
System Manual, 09/2015, A5E03822230-AC
S7-200 SMART