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BCU 460, BCU 465 · Edition 11.19
56
Fieldbus communication
Fault and warning signals (BCU
➔
PLC)
The fault and warning signals are transferred from the
BCU to the PLC using this module. The fault and warn-
ing signals each occupy one word.
The same allocation table applies to the fault signals
and the warning signals.
Bit Byte n
Byte n+1
Data type Format
Value
0
1
2
3
4
5
6
7
Fault signals
Word
DEC
0 – 655535
1)
Bit Byte n+2
Byte n+3
Data type Format
Value
0
1
2
3
4
5
6
7
Warning signals
Word
DEC
0 – 655535
1)
1)
See code tables “BusCommunication_BCU4_R2.xlsx” at www.
docuthek.com.
Remaining times (
BCU
➔
PLC
)
This module transfers the remaining times of various
processes from the BCU to the PLC. The remaining
time occupies one word.
Bit Byte n
Byte n+1
Data type Format
Value
0
1
2
3
4
5
6
7
Remaining times
Word
DEC
0 – 6554
(0 – 6554 s)
Temperature (
BCU
➔
PLC
)
This module transfers the internal device temperature.
The temperature occupies one word.
Bit Byte n
Byte n+1
Data type Format
Value
0
1
2
3
4
5
6
7
Temperature
Word
DEC
0 – 6554
(0 – 6554 K)
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