X3 Operating Manual
Installing the Instrument and Plug-in Cards
Sartorius
19
3.3.3 Optocoupler
Inputs
The main board has 3 digital inputs for process control, electrically isolated by optocouplers, each bipolar
potential-free.
Number of inputs:
3 ( CH1, CH2, CH3 )
Input signal:
Logic 0: 0 to 5 VDC or open
Logic 1: 10 to 31 VDC
Passive, external supply required
Input current:
< 7 mA @ 24 V
< 3 mA @ 12 V
Protected against incorrect polarity
Electrical isolation:
Yes, via optocoupler
Connection:
Plug-in 7-pin screw terminal block,
cable shield connected to housing
(terminal 14), max. 1.5 mm² cable.
Cable:
Shielded, max. 50 m
Example: connection of a contact input
Summary of Contents for X3 PR 5410
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