Honeywell Krom Schroeder BCU 480 - Status and Fault Messages for PROFIBUS DP

BCU 480 · Edition 03.16l 64
Project planning information
6.17.5 Status and fault messages for PROFIBUS DP
This table can be used to program the master.
Input bytes (BCU ➔ master)
Byte 2 Display
Status signal
Byte 0, Bit 2 = 0
Fault signal
Byte 0, Bit 2 = 1
0
00
Start-up position/standby
0
A0
Cooling
1
01
A1
*
Waiting time/Pause time Flame simulation
2
02
A2
*
Safety time on start-up Start-up without flame signal
3
03
A3
*
Flame proving period Flame failure during flame proving period
4
04
A4
*
Operation Flame failure during operation
5
05
A5
*
Waiting time, main burner Flame simulation, main burner
6
06
A6
*
Safety time on start-up, main burner Start-up without flame signal, main burner
7
07
A7
*
Flame proving period, main burner Flame failure during flame proving period, main burner
8
08
A8
*
Operation, main burner Flame failure during main burner operation
9
P0
Purge
10
10
Too many remote resets
30
30
EEPROM data change, NFS**
31
31
EEPROM data change, FS**
33
33
Faulty parameterization
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