6.8 – Connections
Fig. 6 shows the correct usage of the signals issued by Aqua Ionic in the Open Collector mode. The
relay indicated in the figure must be connected between the terminal of the +12 Vdc and the
terminal of the signal concerned (in the example it is the cycle-end impulse).
Please refer to the table of par. 6.8.1 to learn which signals are issued by the controller in the Open
Collector mode.
The maximum relay absorbency for the trip coil excitation must be 20mA.
Here below follow the codes of a few relays that can be used to this purpose, all of them with a trip
coil to be supplied with 12 Vcd.
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