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19 Display Programs for PLC Data and Messages
01.93
19.3.3 Message groups
7044
DL 37
3
4
1
2
Message area
PLC
MD
DW No.
7
6
5
4
3
2
1
0
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
Bit No.
With these bits the offset signal numbers are assigned to the message areas of DB 58.
Bit 0=1:
Offset signal number m=9000
Bit 1=1:
Offset signal number m=9250
Bit 2=1:
Offset signal number m=9500
Bit 3=1:
Offset signal number m=9750
Up to two message areas can be activated per PLC. The lower offset numbers are always
assigned to message area DW 0 ... DW 16 first of all and the higher offset numbers to the
message area DW 17 ... DW 32.
PLC I
PLC II
PLC-MD-Nr.
7044
PLC-MD-Nr.
7294
Example:
Message area
Message No.
PLC I
PLC II
1
9000...9247
X
2
9250...9497
X
3
9500...9747
X
4
9750...9997
X
The PLC machine data bits 7044 bits 0 and 2, and 7294 bits 1 and 3, must be set.
19.3.4 Bit fields for messages
With the detection of error and operational messages by
•
FB 57
(interrogate error messages)
•
FB 58
(interrogate operational messages)
•
FB 59
(interrogate message groups)
the following data words of the interface DBs are interpreted. Each bit is explicitly allocated an
error number which is shown in the corresponding displays in addition to the message text.
The texts have to be input at the NC workstation. If no text has been entered, only the
message number is displayed.
19–8
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Siemens AG 1991 All Rights Reserved 6ZB5 410-0HE02
SINUMERIK 880 (PJ)