GTC-200A
11
4-3. Configuration of Channel unit
1
1
2
3
4
6
5
7
9
10
12
14
19
20
21
23
8
11
16
15
17
18
13
mA
+
-
S
ENSO
R
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
A
LA
R
M
1
A
LA
R
M
2
A
LA
R
M
3
TROUBL
E
+
-
OUT
P
U
T
4
-
2
0m
A
21
Panel Mount Type
Wall Mount Type
22
22
0
10
20
30
40
50
60
70
80
90
100
%LEL
ON OFF
전원
기능
경보1
경보2
전원
점검
고장
경보3
복귀
시험
GTC210A CHANNEL
No.
DESCRIPTION
No.
DESCRIPTION
1
FRONT COVER CASE
13 3 COLOR BAR GRAPHIC LED
2
MAIN BODY CASE
14 RESET KEY
3
ACRYLIC
15 DOWN KEY
4
FRONT SUB COVER
16 TEST KEY
5
MAIN BODY FIXED BRACKET
17 FUNCTION KEY
6
FND DISPLAY
18 UP KEY
7
POWER LED
19 POWER ON/OFF SWITCH
8
STANDBY LED
20 FRONT COVER SCREW
9
TROUBLE LED
21 TERMINAL PCB
10 ALARM-3 LED
22 TERMINAL PCB SCREW
11 ALARM-2 LED
23 CONNECTOR
12 ALARM-1 LED
4-3-1. Measurement density display (FND Digital Display)
Continuously displays measurement value of corresponding detector connected
with each channel unit, and displays user setting value with flickering when doing
Test function.
4-3-2. Power LED
This Power LED is on when power is applied to channel unit.
4-3-3. Stand-by LED
This STD-BY LED is flickering when checking gas detector.
4-3-4. Trouble LED
This trouble LED is flickering in case of trouble on Channel Unit and/or gas detector.
Ex) * bad connection with gas detector or other trouble