PR 5211 Instrument Manual Installing the Instrument
Sartorius EN-17
3.2.4 3 Opto Inputs
The optocoupler inputs have one common potential (GND), separated from the common potential of the
output group.
Connecting method
4-pin plug-in terminal block
Cable
Shielded, max. 50 m
Number of inputs
3
Input signal
External supply required
10 ... 30 VDC for 'high'
0 ... 5 VDC for 'low'
Input voltage
Max. 30 VDC
Input current
< 11 mA @ 24 VDC
< 5 mA @ 12 VDC
Potential isolation
Yes, 3 inputs have got 1 common
minus potential
Example: contact input connection
When a voltage ≥10 V DC is applied to the terminals (in the
example: 1-GND), input 1 is active (true).
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