Siemens CPU 410-5H Process Automation System Manual page 36

Structure of the CPU 410-5H
3.2 Monitoring functions of the CPU 410-5H
Type of error
Program execution error
Failure of a rack/station
Communication error
Execution canceled
Missing license for Runtime
software
Programming error
MC7 code error
36
Cause of error
Priority class is called, but the corresponding OB is not
•
available.
In the case of an SFB call: Missing or faulty instance DB
•
Process image update error
•
Power failure in an S7-400 expansion unit
•
Failure of a DP/PN segment
•
Failure of a coupling segment: Missing or defective IM,
•
interrupted cable
Communication error:
Time synchronization
•
Access to DB when exchanging data via communications
•
function blocks
The execution of a program block was canceled. Possible reasons
for the cancellation are:
Nesting depth of nesting levels too great
•
Nesting depth of master control relay too great
•
Nesting depth of synchronization errors too great
•
Nesting depth of block call commands (U stack) too great
•
Nesting depth of block call commands (B stack) too great
•
Error during allocation of local data
•
Internal error due to missing licenses for Runtime software.
User program error:
BCD conversion error
•
Range length error
•
Range error
•
Alignment error
•
Write error
•
Timer number error
•
Counter number error
•
Block number error
•
Block not loaded
•
Error in the compiled user program, for example, illegal OP code or
a jump beyond block end
Error LED
INTF
EXTF
EXTF
BUSF for PN and DP
REDF for redundant
segments
INTF
INTF
INTF
INTF
INTF
CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 10/2013, A5E32631667-AA