Technical data

Table Of Contents
System Status Lists (SSL)
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
33-15
Data Record
A data record of the partial list with SSL-ID W#16#xy19 has the following structure:
Name Length Meaning
Index 1 word LED ID (only relevant for SSL-ID W#16#0119)
W#16#0001: SF (group error)
W#16#0002: INTF (internal error)
W#16#0003: EXTF (external error)
W#16#0004: RUN
W#16#0005: STOP
W#16#0006: FRCE (force)
W#16#0007: CRST (restart)
W#16#0008: BAF (battery fault/overload, short circuit of
battery voltage on bus)
W#16#0009: USR (user-defined)
W#16#000A: USR1 (user-defined)
W#16#000B: BUS1F (bus error interface 1)
W#16#000C: BUS2F (bus error interface 2)
W#16#000D: REDF (redundancy error)
W#16#000E: MSTR (master)
W#16#000F: RACK0 (rack number 0)
W#16#0010: RACK1 (rack number 1)
W#16#0011: RACK2 (rack number 2)
W#16#0012: IFM1F (interface error interface module 1)
W#16#0013: IFM2F (interface error interface module 2)
led_on 1 byte Status of the LED:
0 : off
1 : on
led_blink 1 byte Flashing status of the LED:
0: not flashing
1: flashing normally (2 Hz)
2: flashing slowly (0.5 Hz)