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AlphaDisc CLD user guide V2.0
9
3.3
ALPHADISC™ CLD TERMINAL BLOCKS CONNECTIONS
Once the controller has been installed, connect the controller’s terminals according to the following:
1
2
3
4
5
6
7
8
8
8
8
8
8
10
11
3
6
8
8
8
8
8
8
9
1.
RJ-45 COM
: Used to connect PLC or other control device.
2.
Extension A and B
: Used for connection between primary and secondary controllers (see 5.8).
3.
Digital inputs
: Used to connect external water meters.
4.
External DP
: Used to connect external differential pressure switch.
5.
Pause
: Used to connect external device to trigger pause.
6.
Analog inputs
: Used to connect analog signals 4-20 mA, 0-10 V (power to input is controlled) from
sensors of following types: pressure, temperature, conductivity, turbidity, humidity.
7.
DS valve
: Output for downstream valve through solenoid latch.
8.
V1-V12 outputs
: For filter flush through solenoid latch.
9.
Alarm output
: Used to switch external device via NO/NC relay.
10.
End of cycle (EOC)
: Used to send EOC signal via NO/NC relay.
11.
External power supply connection
. Power supply for the controller must supply 7-14 VDC, 2A.
