4.4.5 Digital inputs
The main board is equipped with 3 digital inputs for the process control. They are
electrically isolated by optocouplers and each 2-pin potential-free.
The interface can be configured by software.
Technical data
Description Data
Connection Terminal, 7-pin
Number of inputs 3 (CH1, CH2, CH3)
Input voltage Logic 0: U
DC
= 0 to 5 V or open
Logic 1: U
DC
= 10 to 28 V
Passive, external power supply required.
Input current ≤11 mA @ U
DC
= 24 V
≤5 mA @U
DC
= 12 V
Protection against incorrect polarity.
Potential isolation Via optocoupler.
Cables Screened
Connect cable screen (wire gauge max. 1.5 mm
2
) to the termi-
nal (terminal contact 14; see example).
Cable length Max. 50 m
X3 Process Indicator PR 5410 4 Device installation
EN-40 Minebea Intec