EasyManuals Logo

Siemens SIMATIC S7 System Manual

Siemens SIMATIC S7
866 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #828 background imageLoading...
Page #828 background image
Special memory (SM) and system symbol names
D.28 SMB1100-SMB1399: EM (expansion module) hardware/firmware ID
S7-200 SMART
828 System Manual, V2.3, 07/2017, A5E03822230-AF
SM addresses for slot 2
Description
SMW1200
EM bus slot 2 vendor ID: 0x002A if a Siemens EM is present; 0x0000 if no EM is present
SMB1202 to SMB1221 EM bus slot 2 order ID (MLFB): ASCII characters, left-justified in field, padded with spaces
SMB1222 to SMB1237
EM bus slot 2 serial number: ASCII characters, left-justified in field, padded with spaces
SMW1238 EM bus slot 2 hardware version: Represents the hardware E-stand; range = 0x0001 to
0xFFFD
0x0000, 0xFFFE, and 0xFFFF are reserved values.
SMD1240 EM bus slot 2 firmware version:
• Byte 0: ASCII ‘V’
• Byte 1: Functional version
• Byte 2: Minor change version
• Byte 3: Bug fix version
SMW1244
EM bus slot 2 firmware version counter (range 0x0000 to 0x00FF)
SMW1246
Reserved, always 0x0000
SMW1248
EM bus slot 2 device type: I/O=0x0003, communications=0x0004, all other values reserved
SM addresses for slot 3
Description
SMW1250
EM bus slot 3 vendor ID: 0x002A if a Siemens EM is present; 0x0000 if no EM is present
SMB1252 to SMB1271
EM bus slot 3 order ID (MLFB): ASCII characters, left-justified in field, padded with spaces
SMB1272 to SMB1287
EM bus slot 3 serial number: ASCII characters, left-justified in field, padded with spaces
SMW1288 EM bus slot 3 hardware version: Represents the hardware E-stand; range = 0x0001 to
0xFFFD
0x0000, 0xFFFE, and 0xFFFF are reserved values.
SMD1290 EM bus slot 3 firmware version:
• Byte 0: ASCII ‘V’
• Byte 1: Functional version
• Byte 2: Minor change version
• Byte 3: Bug fix version
SMW1294
EM bus slot 3 firmware version counter (range 0x0000 to 0x00FF)
SMW1296
Reserved, always 0x0000
SMW1298
EM bus slot 3 device type: I/O=0x0003, communications=0x0004, all other values reserved

Table of Contents

Other manuals for Siemens SIMATIC S7

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Siemens SIMATIC S7 and is the answer not in the manual?

Siemens SIMATIC S7 Specifications

General IconGeneral
BrandSiemens
ModelSIMATIC S7
CategoryController
LanguageEnglish

Related product manuals