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How to Connect the Open-Collector Inputs of the
cController
Here below there are examples of typical connections of the input of
TV 401/301/21 NSF to an external system. Two cases are considered:
1.
2.
Please note that on the connector a 24 Vdc, 60 mA voltage, a
GROUND signal and the open collector pin are available.
The pin numbers reported in the drawings are referred to the
"START/STOP" input, but the connections could be extended to all
the other controller inputs.
Figure 20
TV 401/301/21 NSF User Manual / 87-900-995-01 (C)
the customer supplies the 24 Vdc
the customer does not supply the 24 Vdc.
Case 1
Technical Information
Interconnections
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