Galvanic Isolation; Connection Diagram - JUMO variTRON 300 Installation Instructions Manual

3 Electrical connection
3.2

Galvanic isolation

Interface LAN1
Interface COM
(1) Functional galvanic isolation for connection of SELV or PELV electrical circuits.
3.3

Connection diagram

CAUTION!
At maximum load, the temperature may exceed 60 °C at the terminals "+24 V" and "GND" (voltage
supply In).
As a result the insulation of the cable may be damaged.
 The cable must be heat resistant up to at least 80 °C.
NOTE!
Only copper conductors are allowed to be connected to the terminals.
NOTE!
Use within the scope of DNV approval:
The module must be supplied by a power supply unit that also has DNV approval. Further modules of
the automation system may be operated at this power supply unit. Other devices must not be connected
to this power supply.
24
Voltage
supply In
(1)
(1)
(1)
Interface LAN2
Interface USB host