Siemens SIMATIC S7-300 Manual page 99

Message to the CPU (precondition: interrupt message activated (see Section 5.2)
No OB 82
exists
CPU
switches to
STOP
Diagnostic data
The following table contains the diagnostic information DIAGNOS-
TIC_INT_INFO in the user DB starting at address 72.
Table 6-4
4-byte
10-byte
FM 354 Servo Drive Positioning Module
OB 82
i t
Enters the diagnostic in-
formation in the diagnostic
buffer of the CPU (4 bytes)
and calls SFC 52
On operating error:
(addr. in user DB 80.7)
For further error specification by reading out DS 164 in OB 1
see example application 2
Diagnostic information
Data for- Byte.Bit
mat No.
0.0 Module/group disturbances (incoming and outgoing)
0.1 Internal error/HW error (group error bytes 2, 3)
0.2 External error
0.3 External channel error (group error byte 8)
0.6 Module not parameterized
1.0...3 Type class of module; for FM 354 = 08H
1.4 Channel information present
2.1 Communication disturbance (K bus)
2.3 Time monitoring actuated/Watchdog
2.4 Module internal power supply failed (NMI)
3.2 FEPROM error
3.3 RAM error
3.6 Process interrupt lost
4 FM Pos identifier (74H)
5 Length of diagnostic information (16)
6 No. of channels (1)
7 Channel error vector (1)
8.0 Cable break (incremental encoder)
8.1 Error in absolute encoder
8.2 Error pulse incr. or zero mark missing
8.3 Voltage monitoring - encoder
8.7 Operating error (see Chapter 11, Troubleshooting)
9...13 Free
Programming the FM 354
Diagnostic interrupt
Enters the diagnostic in-
formation in the user DB
starting at address 72 and
calls FC 4
Significance
OB 1
Calls FC
6
6-19