Technical data

Table Of Contents
System Status Lists (SSL)
System Software for S7-300/400 System and Standard Functions - Volume 2/2
33-18
A5E00739858-01
INDEX = W#16#0004
Name Length Meaning
Index 1 word For a standard CPU and the partial list extract W#16#011C: component
ID: W#16#0004
For H CPUs and the partial list extracts W#16#021C and W#16#031C:
Byte 0: bits 0 to 2: rack no.; bit 3: 0 = reserve CPU, 1 = master CPU;
bits 4 to 7: 1111
Byte 1: component ID: B#16#04
Copyright 13
words
Constant character sequence
"Original Siemens Equipment"
Res 3 words Reserved
INDEX = W#16#0005
Name Length Meaning
index 1 word For a standard CPU and the partial list extract W#16#011C: component
ID: W#16#0005
For H CPUs and the partial list extracts W#16#021C and W#16#031C:
Byte 0: bits 0 to 2: rack no.; bit 3: 0 = reserve CPU, 1 = master CPU;
bits 4 to 7: 1111
Byte 1: component ID: B#16#05
serialn 12 words Serial number of the module; character string with max. length of 24
characters. Shorter numbers are filled with B#16#00.
Note: This serial number is unique world-wide for SIMATIC components and
permanently associated to the CPU hardware, that is, it remains unchanged
when a firmware update is performed.
res 4 words Reserved
INDEX = W#16#0007
Name Length Meaning
index 1 word For a standard CPU and the partial list extract W#16#011C: component
ID: W#16#0007
For H CPUs and the partial list extracts W#16#021C and W#16#031C:
Byte 0: bits 0 to 2: rack no.; bit 3: 0 = reserve CPU, 1 = master CPU;
bits 4 to 7: 1111
Byte 1: component ID: B#16#07
Cputypname 16 words Module type name; character string with a max. length of 32 characters.
Shorter names are filled with B#16#00.