Honeywell BCU 460 Technical Information page 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
0
1
2
3
Fault signals
4
5
6
7
Bit Byte n+2 Byte n+3
0
1
2
3
Warning signals
4
5
6
7
1) See code tables "BusCommunication_BCU4_R2.xlsx" at www.
docuthek.com.
BCU 460, BCU 465 · Edition 11.19
Data type Format Value
Word DEC 0 – 655535
Data type Format Value
Word DEC 0 – 655535
Remaining times
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
0
1
2
3
Remaining times
4
5
6
1)
7
Temperature (BCU ➔
This module transfers the internal device temperature.
The temperature occupies one word.
Bit Byte n Byte n+1
0
1
1)
2
3
Temperature
4
5
6
7
▼
(BCU ➔ PLC)
Data type Format
0 – 6554
Word DEC
(0 – 6554 s)
PLC)
Data type Format
Word DEC
Value
Value
0 – 6554
(0 – 6554 K)
56