7. Control Signal Connector (P1) Interface
This driver uses differential inputs to increase noise immunity and interface flexibility. Single-ended
control signals from the indexer/controller can also be accepted by this interface. The input circuit has
built-in high-speed optocoupler, and can accept signals in the format of line driver, open-collector, or
PNP output. Line driver (differential) signals are suggested for reliability. In the following figures,
connections to open-collector and PNP signals are illustrated.
Open-collector signal (common-)
PNP output (common anode)
Astrosyn International Technology Ltd, The Old Courthouse, New Rd Ave, Chatham, Kent ME4 6BE, England
Tel: +44(0)1634 815175 Fax: +44(0)1634 826552
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