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Connection of external dosing systems
28
6.2.4 Inputs
The signal level can be 5-24V DC/AC or 100- 240V AC. For 5-24V, the signal reference is connected
to 3 and for 100-240V to 4. Potentials on the inputs cannot be mixed.
Note!
The I/O board will be damaged if the voltage on connection 3 is too high > 24V.
Connection 8 may be connected if the program is to pause, e.g. while detergent is being dosed.
The figure shows an example of engaging a 24V pause signal. The program will pause for as long
as the pause signal remains activated (high).
⑱
Connection 7. If this is connected, an error message will be displayed if any of the chemical tanks
are empty. The program will continue, however.
The figure shows an example of engaging a normal open contact.
⑲
fig.6266
fig.6265
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