BC8001A Installation and Operating Instruction
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BC8001A
Main board
OC
24-
N+
N-
D1
24-
D2
24-
P
S
BCB8004
Power supply
24V+I 24V- I
24V-II
24V+II
CCF
BF
PPF
BAT+
BAT-
CG
L N GND
24V+ 24V-
24V-
24V+
CCF
BF
ACF
COM
120/240VAC
12VDC*2
24VDC
400-2000ohm
To Field Devices
Figure 3 System Wiring Diagram
Terminal description
Name(label)
Description
Name(label)
Description
24V+
24V output1
OC
OC output
24V-
24-
OC output ground
24V+
24V output2
* internally connected with 24V output1
N+
NAC +
24V-
N-
NAC -
PPF
Primary power fault
D1
Dry contact1
BF
Battery fault
24-
Dry contact1 ground
CCF
Charging circuit fault
D2
Dry contact2
COM
Common ground for BF,CCF,PPF
24-
Dry contact2 ground
P
Detection Bus P line
S
Detection Bus S line