Smb1100-Smb1399: Em (Expansion Module) Hardware/Firmware Id - Siemens SIMATIC S7 System Manual

D.28

SMB1100-SMB1399: EM (expansion module) hardware/firmware ID

The CPU writes expansion module information to special memory after a power-up or warm
restart transition. The SMB1100-SMB1399 section of special memory is read-only.
SM addresses for slot 0
SMW1100
SMB1102 to SMB1121
SMB1122 to SMB1137
SMW1138
SMD1140
SMW1144
SMW1146
SMW1148
SM addresses for slot 1
SMW1150
SMB1152 to SMB1171
SMB1172 to SMB1187
SMW1188
SMD1190
SMW1194
SMW1196
SMW1198
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
D.28 SMB1100-SMB1399: EM (expansion module) hardware/firmware ID
Description
EM bus Slot 0 vendor ID: 0x002A if a Siemens EM is present; 0x0000 if no EM is present
EM bus Slot 0 order ID (MLFB): ASCII characters, left-justified in field, padded with spaces
EM bus slot 0 serial number: ASCII characters, left-justified in field, padded with spaces
EM bus slot 0 hardware version: represents the hardware E-stand; range = 0x0001 to 0xFFFD
0x0000, 0xFFFE, and 0xFFFF are reserved values.
EM bus slot 0 firmware version:
Byte 0: ASCII 'V';
•
Byte 1: Functional version,
•
Byte 2: Minor change version,
•
Byte 3: Bug fix version
•
EM bus slot 0 firmware version counter (range 0x0000 to 0x00FF)
Reserved, always 0x0000
EM bus slot 0 device type: I/O=0x0003, communications=0x0004, all other values reserved
Description
EM bus slot 1 vendor ID: 0x002A if a Siemens EM is present; 0x0000 if no EM is present
EM bus slot 1 order ID (MLFB): ASCII characters, left-justified in field, padded with spaces
EM bus slot 1: serial number: ASCII characters, left-justified in field, padded with spaces
EM bus slot 1 hardware version: Represents the hardware E-stand; range=0x0001 to 0xFFFD
0x0000, 0xFFFE, and 0xFFFF are reserved values.
EM bus slot 1 firmware version:
Byte 0: ASCII 'V'
•
Byte 1: Functional version
•
Byte 2: Minor change version
•
Byte 3: Bug fix version
•
EM bus slot 1 firmware version counter (range 0x0000 to 0x00FF)
Reserved, always 0x0000
EM bus slot 1 device type: I/O=0x0003, communications=0x0004, all other values reserved
Special memory (SM) and system symbol names
827