Appendix g, Wiring – Det-Tronics UD10 FlexVu Explosion-Proof Universal Display Unit User Manual
Page 33
G-1
95-8661
4.2
AppenDix G
UD10 with gT3000 TOxIC gAS DETECTOR
noTe
For complete information regarding the GT3000 Gas Detector, refer to instruction manual 95-8616.
WirinG
4000
3500
3000
2500
2000
1500
1000
500
0
18
19
20
21
22
23
24
25
26
27
28
29
30
Power Supply Voltage
Dist
ance in f
t.
UD10 with GT3000
12
14
16
18
AWG
Wire Size
Notes: Maximum cable length from power source to UD10 is 2000 feet.
Maximum cable length from UD10 to sensor/STB termination box is 2000 feet.
Sensor Connector
Power Supply Connector
Output Loop
Connector
MODBUS
Connector
R
ela
y Connect
or
P1
J2
J3
J4
P2
4-20 mA +
4-20 mA –
SHIELD
COM
RS485 A
RS485 B
HIGH ALARM COM
HIGH ALARM NC
HIGH ALARM NO
AUX ALARM COM
AUX ALARM NC
AUX ALARM NO
LOW ALARM COM
LOW ALARM NC
LOW ALARM NO
FAULT COM
FAULT NC
FAULT NO
24 VDC
–
24 VDC
+
SHIELD
24 VDC
–
24 VDC
+
SHIELD
SHIELD
C
ALIBR
A
TE
24 VDC
–
4-20 mA
24 VDC
+
P1-3
P1-2
P1-1
J2-3
J2-2
J2-1
J4-1
J4-2
J4-3
J4-4
J4-5
J4-6
J4-7
J4-8
J4-9
J4-10
J4-11
J4-12
J3-1
J3-2
J3-3
J3-4
J3-5
P2-6
P2-5
P2-4
P2-3
P2-2
P2-1
GT3000
GAS DETECTOR
BLACK
RED
GREEN
SEE NOTE 1
NOTE 1
CONNECT THE GREEN SENSOR LEAD
TO THE CHASSIS GROUND LUG ON THE
INSIDE BOTTOM OF THE DISPLAY ENCLOSURE.
NOTE 2
UD10 HOUSING MUST BE ELECTRICALLY
CONNECTED TO EARTH GROUND.
UD10
DISPLAY UNIT
C2400
GT3000 Detector Wired Directly to UD10