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74 3A0869H
Hazardous Location Electrical Schematic
USER INTERFACE
MODULE
PWR (RED)
COM (BLACK)
SIG (WHITE)
SHIELD/GRN
FLOW METER A
FLOW METER B
3X CABLE
BLACK
RED
BLACK
RED
BLACK
RED
BLACK
RED
BLACK
RED
BLACK
RED
BLACK
RED
PURGE A
DOSE A1
PURGE B
DOSE B
DOSE A2
DOSE A3
GFB #1
MANIFOLD
12 VDC
4-WAY
SOLENOID
12 VDC
3-WAY
SOLENOID
ALARM
SIG
COM
GFB 1 PRESSURE SWITCH/
AIR FLOW SWITCH 2
+
-
GROUND
TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MEMBRANE
18 PSI
1.5 FCM
(MIN)
ALTERNATOR
MODULE
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
CAN_L
+V_CAN
V_CAN_RTN
CAN_H
SHIELD
CAN_L
+V_CAN
V_CAN_RTN
CAN_H
SHIELD
CAN_L
+V_CAN
V_CAN_RTN
CAN_H
SHIELD
CAN_L
+V_CAN
V_CAN_RTN
CAN_H
SHIELD
J1
J2
J3
P3
P4
USB BASE
MODULE
1
2
3
4
5
1
2
3
4
5
P1
J2
USB COMPONENT
MODULE
CAN_L
+V_CAN
V_CAN_RTN
CAN_H
SHIELD
J6
J7
1
2
3
4
5
1
2
3
4
5
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
J2
1
2
3
4
UNUSED
UNUSED
UNUSED
UNUSED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J1
1
2
3
4
5
6
7
8
9
J4
BUTTON_DOWNARW
BUTTON_UPARW
BUTTON_CLEAR
BUTTON_STOP
BUTTON_FUNC4
BUTTON_FUNC1
BUTTON_START
BUTTON_RIGHTARW
BUTTON_LEFTARW
BUTTON_ENTER
BUTTON_FUNC3
BUTTON_FUNC2
COM(BUTTONS)
SHIELD
LED_YELLOW
LED_BLUEA
LED_GREEN
UNUSED
LED_BLUEB
UNUSED
LED_RED
UNUSED
COM(LEDS)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
V CAN
V CAN
V CAN
V CAN RTN
V CAN RTN
CHASSIS GND
CHASSIS GND
V CAN RTN
V CAN RTN
BIT 3
BIT 2
GND
SCK
SO
SI
V CAN
V CAN
V CAN
V CAN RTN
V CAN RTN
CAN L
CAN H
V CAN RTN
V CAN RTN
BIT 0
BIT 1
VTOKEN
LOFO
/HOLD
/CS
UNUSED
UNUSED
UNUSED
UNUSED
UNUSED
PWR (RED)
COM (BLACK)
SIG (WHITE)
SHIELD/GRN
3X CABLE
SIG
COM
AIR FLOW SWITCH 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GRND