Chapter 2 Installation and wiring
10
Table 2-1 Specific instructions for each terminal
Terminal
sequence number
Signal type
Description
31A
，
31B
，
31C
Universal input
31
st
path analog input
32A
，
32B
，
32C
Universal input
32
nd
path analog input
Table 2-1 Specific instructions for each terminal
Terminal
sequence number
Signal type
Description
33A
，
33B
，
33C
Universal input
33
rd
path analog input
34A
，
34B
，
34C
Universal input
34
th
path analog input
35A
，
35B
，
35C
Universal input
35
th
path analog input
36A
，
36B
，
36C
Universal input
36
th
path analog input
Descriptions of c
ommunication interface terminal
A1(RS-485)
485+
\RS-485 communication interface 1
B1(RS-485)
485-
RS-485 communication interface 1
A2(RS-485)
485+
RS-485 communication interface 2
B2(RS-485)
485-
RS-485 communication interface 2
Description of power distribution terminal
24+
/
24V+
24-
/
24V-
Description of Alarm output terminal
DO1
Relay
Channel 1 of alarm output
DO2
Relay
Channel 2 of alarm output
DO3
Relay
Channel 3 of alarm output
DO4
Relay
Channel 4 of alarm output
DO5
Relay
Channel 5 of alarm output
DO6
Relay
Channel 6 of alarm output
DO7
Relay
Channel 7 of alarm output
DO8
Relay
Channel 8 of alarm output
G
Alarm common
