Technical data

Table Of Contents
System Status Lists (SSL)
System Software for S7-300/400 System and Standard Functions - Volume 2/2
33-16
A5E00739858-01
33.11 SSL-ID W#16#xy1C - Component Identification
Purpose
If you read the partial list with SSL-ID W#16#xy1C, you can identify the CPU or the
PLC.
Header
The header of partial list W#16#xy1C is structured as follows:
Contents Meaning
SSL-ID The SSL-ID of the partial list extract
W#16#001C: Identification of all components
W#16#011C: Identification of one component
W#16#021C: Identification of all components of a CPU in an H system
W#16#031C Identification of one component of all redundant CPUs in an H
system
W#16#0F1C: SSL partial list header information only
INDEX Identification of the component for the partial system status list with the SSL ID
W#16#011C and W#16#031C
- W#16#0001: Name of the PLC
- W#16#0002: Name of the module
- W#16#0003: Plant identification of the module
- W#16#0004: Copyright entry
- W#16#0005: Serial number of the module
- W#16#0007: Module type name
- W#16#0008: Serial number of the memory card (only S7-300)
Modules unable to receive a memory card are supplied without data
record.
- W#16#0009: Manufacturer and profile of a CPU module
- W#16#000A: OEM ID of a module (only S7-300)
- W#16#000B: Location designation of a module
Rack number for the partial list extract with the SSL ID W#16#021C (Byte0:
Rack No., Byte1: B#16#00)
LENTHDR W#16#0022: A data record is 17 words long (34 bytes)
N_DR Number of data records