AMBIC EasiDoser Manuel d'utilisation - Page 6

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Ambic Equipment Ltd – EasiDoser™ Operating Notes

Opto Isolator Connection

For volts-free signal (switch) there is no requirement for Opto Isolator and the switch can be connected
directly to the inputs marked on the PCB as Opto 4 & Opto 5. For a 12-24V DC signal or 24-230V AC
signal unit, the signal MUST be connected via the Opto Isolator(s) supplied with the unit.
Opto
Isolator 1
Opto
Isolator 2
Opto
Isolator 3
Opto 5
Opto 4
Red
Red
Black
Black
Figure 5 – Opto Isolator
Opto Isolator 1
Brown & Blue – connect to 12-24V DC or 24-230V AC signal
Red & Black – connect to Opto 4
Opto Isolator 2
Brown & Blue – connect to 12-24V DC or 24-230V AC signal
Red & Black – connect to Opto 5
Opto Isolator 3
Brown & Blue – connect to 12-24V DC or 24-230V AC signal
Red & Black – connect to Opto 3
Figure 6 – Opto Isolator position on PCB
The Red & Black wires should be connected to Opto 4 or Opto 5.
Opto 4 triggers the left hand pump and Opto 5 triggers the right
hand pump on a 2 pump system.
On a 3 pump system, Opto 3 triggers pump 3.
Opto 4
Red
-6-
Opto 5
Opto 3
Black
ADE7500 v1.3 (16/03/18)