Installing the Instrument and Plug-in Cards
X3 Operating Manual
20
Sartorius
3.3.4 Optocoupler
Outputs
The main board has 3 digital outputs for process control, electrically isolated by optocouplers, each bipolar
potential-free.
Number of outputs:
3 ( CH1, CH2, CH3 )
Output:
Max. switching voltage: 31 VDC,
Protected against incorrect polarity
Max. switching current: 25 mA
Voltage drop @ 25 mA: 3 V
Passive, external supply required
Electrical isolation:
Yes, via optocouplers
Connection:
Plug-in 7-pin terminal block, cable
shield connected to housing (terminal
7), max 1.5 mm² cable
Cable:
Shielded, max. 50 m
Example: connection of relay control
The relay switches, when the output is
active (true). For protection of the
output circuit, relays with free-wheel
diode must be provided.
Example: connection of voltage output
When the output is active (true), the
output voltage goes from 24 V / 12 V
to < 3 V . The load resistance must be
2.2 kohms / 1 kohm.
Summary of Contents for X3 PR 5410
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