8.3.1 Power Supply Connector for the Customer Interface
(Connector X28)
The power supply of the customer interface can either be supplied by the custom-
er (opto-decoupled potential-free connection) or internally with 12 V or 24 V (non-
isolated).
The jumpers X19 (yellow) and X20 (green) are used for configuration.
Potential-free configuration
For the potential-free configuration (power supply by the customer) the jumpers
must be set as follows:
External supply +12 V to +24 V (potential-free):
The external supply of 12 or 24 V +/- 10 % max. 50 W is to be connected to
X28.7 (+) and X28.8 (-).
Non-isolated configuration
For the non-isolated configuration (internal power supply) the jumpers must be
set as follows.
In this case X28.7 and X28.8 are not connected.
Internal supply +12 V (non-isolated):
09/17 - Index: AD [EN]
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Videojet 3140/3340/3640/8 Appendix
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