Honeywell BCU 465 - Page 56

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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