Siemens SIMATIC S7-300 CPU Manual page 28

4 Functional Mechanisms of the Application
4.5 Message generation with the Messages block (FB10)
Input
SIG_OUT4
SIG_ERR_PSEDIAG
Monitoring of 24 V load circuits
Entry-ID: 61450284, V1.1,
Data type
BOOL
BOOL
05/2014
Variable / Value
DB2.DBX1.3 Signal that triggers PLC
alarm 4.
1 = PLC alarm 4 is triggered
(state OUT 4 = 0)
0 = PLC alarm 1 is not
triggered
(state OUT 4 = 1)
DB2.DBX0.5 Signal that triggers PLC
alarm 5.
1 = PLC alarm 5 is triggered
(PSE_DIAG (FB50) block is
executed with error)
0 = PLC alarm 5 is not
triggered
(PSE_DIAG (FB50) block is
executed without error)
Description
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