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CIE-H14A User Manual Ver. 1.4
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Types for giving input
The type of the input ports is a wet contact by photo-couplers, which needs two
wires with different voltage levels to make an input signal. However, you can use a
DCA (Dry Contact Adapter) so that you can give dry contact input signal.
Without DCA
With DCA
Input
Condition
1: over DC4.5V between the input ports
0: under DC1.2V between the input ports
1: two ports are short
0: two ports are open
Diagram
DC
Adaptable
devices
Devices or sensors which output DC voltage
Relays or Switches
Table 1-4 Input port Diagram
The input ports are designed only for monitoring signals.