Chapter 3
– Field Wiring
21
FCM II Installation Guide: 20160419 - Part # 2307
3.2.3
A
DDITIVE
W
IRING
Note: Most additive injection meters only provide an Open-Collector (pull down) type output. Typically a 1,000
Ohm, ¼ watt pull-up resistor needs to be added in the pulser junction box to pull this output to 12V+ when the
output is off.
Line
#3 Additive
Valve
Solenoid
#4 Additive
Valve
Solenoid
Neutral
12V+
Gnd
#1 Additive
Valve
Solenoid
#2 Additive
Valve
Solenoid
#1 Additive
Meter Pulser
or Switch
#2 Additive
Meter Pulser
or Switch
#3 Additive
Meter Pulser
or Switch
#4 Additive
Meter Pulser
or Switch
Port 0 Output
Port 1 Output
Port 3 Output
Port 2 Output
Port 7 Input
Port 6 Input
Port 5 Input
Port 4 Input
12V+
Gnd
-
-
+
+
D4
D3
D2
D1
12Vdc
Top Side
Bottom Row
In
Out
In
Out
B1
B2
B3
B4
Bottom Side
Middle Row
Port 3
Port 2
A
B
E
D
F
Terminal
Number
-
+
-
+
E4
E3
E2
E1
Top Side
Middle Row
Port 5
Port 4
-
+
-
+
F4
F3
F2
F1
Top Side
Top Row
Port 7
Port 6
In
Out
In
Out
A1
A2
A3
A4
Bottom Side
Bottom Row
Port 0
Port 1
1
2
3
4
1
2
3
4
Figure 3.4
FCM II Field Wiring: Additive Meters and Injection Valves