第
20
页
(1) alarm input 1,2,3,4
(2) ground
(3) RS232
(4) RS485
(5) alarm input 5,6,7,8
(6) ground
(7) alarm output
sixteen
sixteen
sixteen
sixteen external
external
external
external alarm
alarm
alarm
alarm
interface
interface
interface
interface
①⑥⑧
alarm input
②⑦
ground
③
alarm output
⑤
RS485
④
RS232
Parameter
Parameter
Parameter
Parameter
meaning
meaning
meaning
meaning
G
grounding
R,T
RS232 port
A,B
485communciate interface which is connected with the
recording control equipments such as the decoder
2.7.1
2.7.1
2.7.1
2.7.1 Alarm
Alarm
Alarm
Alarm input
input
input
input port
port
port
port specification
specification
specification
specification
8 channels alarm input. Alarm input type unlimited.
The grounding and the com port of the alarm sensor are parallel (The alarm sensor is external power
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