D12
EX-IR
Gas Transmitter with IR Smart Sensor
Dec 2019 ( 85-0004 Rev A)
73
Figure 80 illustrates the alarm and relay operation.
Figure 80 Alarm Relay Diagram
Res Level
A
ALARM
WARNING
CAUTION
Remote
Reset
TROUBLE
Gas
Concentration
Alarm Settings
Norm
1
(def=1,
“fail-safe”)
Norm
2
(def=0)
Norm
3
(def=0
Test
W
Test
T
S
R
S
R
S
R
RDly
W
SDly
W
Test
A
RDly
A
SDly
A
Test
C
RDly
C
SDly
C
Inhibit
Type
A
Set Level
A
Res Level
W
W
Type
W
Set Level
W
Res Level
C
Type
C
Set Level
C
RL1
RL2
RL3
A
lar
m
A
s
s
ign
men
t
Trouble*
Warning*
Alarm*
Timers
inv
inv
inv
Relay Settings
* default
setting