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Installation
1.1.6 Data BUS Wiring
This section contains information on how to connect ECC-50DAs (up to 8) onto the main control
Data BUS. Refer to the ECC-50/100 and/or FACP Manual for Data BUS specifications. Wire the
Data BUS from TB12 on the main control board to the ECC-50DA shown in Figure 1.7 or
Figure 1.8.
ECC-50/100
main control board
–
Figure 1.8 Connecting Multiple ECC-50DAs to the Data BUS
ECC-50/125DA Instruction Manual — P/N LS10027-000FL-E:D 5/21/2015
ECC-50/100
main control board
Supervised,
Power-limited
Figure 1.7 Data BUS Connections of the ECC-50DA
+
–
+
–
+
A
B
OUT
IN
SBUS
firealarmresources.com
–
+
–
+
–
+
A
B
OUT
IN
SBUS
Supervised,
Power-limited
–
+
–
+
–
OUT
IN
ECC-50DA Remote Amplifier
To next
ECC-50DA
(max. 8)
+
A
B
SBUS
11
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