12
Figure 2.3 The main module and its terminals
The terminal definitions are shown in the following table.
Table 2.1 The Definition of the Main Module Terminals
No
Terminal name
Function
No Terminal name
Function
1
Alarm In 0
General alarm input 0
12 COMM_GND GND of RS485 and RS232
2
GND
Alarm input GND
13 RS232_RXD
RXD of RS232
3
FireIn
Fire alarm input
14 RS232_TXD
TXD of RS232
4 AUXAlarmOutNo Normally open pin of auxiliary
alarm output
15 Reserved
5 AUXAlarmOutCom
Common pin of auxiliary
alarm output
16 Reserved
6 AUXAlarmOutNC Normally close pin of auxiliary
alarm output
17 Reserved
7 MainAlarmOutNo Normally open pin of main
alarm output
18 Power
Power
input
8 MainAlarmOutCOM
Common pin of main alarm
output
19 GND
Power
GND
9 MainAlarmOutNC Normally close pin of main
alarm output
20 BATT+
Battery positive pin
10 RS485_A
Signal A of RS 485 bus
21 BATT-
Battery negative pin
11 RS485_B
Signal B of RS 485 bus
Main Module LED Definition
There are 4 LEDs on the main module. The positions and indexes are defined in Fig.
2.4 and table 2.2.
Summary of Contents for EFC-02-1A
Page 73: ...65 Notes...
Page 74: ......
