Overview of error numbers
The I/Os
Error1..4Num
(
PV1, PV2, PV3
and
PV4)
can be used to output the following
error numbers:
Error number
Meaning of the error number
-1
Predefined value when inserting the block; the block is not executed.
0
There is no error.
30
The process value cannot be displayed in the REAL number field.
Control system fault (CSF)
An external signal can be activated via the
CSF
input. A control system fault is triggered if this
signal = 1. Refer to the "Error handling" section in the APL Online Help.
13.1.5
SiFC43PA messages
Messaging
The following messages can be generated for this block:
● Process control error
● Process messages
● Instance-specific messages
Process control error
The following control system fault messages can be output:
Message
instance
Message
identifier
Message class
Event
MsgEvId3
SIG4
AS process control message - fault
$$BlockComment$$ External
fault has occurred
SIG5
AS process control message - error
$$BlockComment$$ Error
reading a data record
SIG6
AS process control message - error
$$BlockComment$$ Error
writing a data record
Explanation:
$$BlockComment$$: Content of the instance-specific comment
You can interconnect an external fault (signal) to the input parameter
CSF
. If this signal changes
to
CSF
= 1, a process control error is triggered (
MsgEvld3
,
SIG4
).
SITRANS FC430 PA
13.1 SiFC43PA
SITRANS Library for PCS 7
Function Manual, 05/2019, A5E35351976-11
561
Summary of Contents for SITRANS PCS 7
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