| AlphaDisc CLD user guide V2.0
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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.