Galvanic Isolation; Connection Diagram; Connection Elements - JUMO variTRON 500 touch Installation Instructions Manual

3 Electrical connection
3.2

Galvanic isolation

Interface LAN1
Interface LAN3
(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.
3.3.1

Connection elements

(1) Voltage supply and functional ground
(2) Interface LAN3 (Ethernet), optional
(3) Interface LAN2 (Ethernet)
(4) Interface LAN1 (Ethernet/JUMO system bus)
(5) 2 USB host interfaces
(6) Interface COM (RS485)
(7) Antenna connector for wireless interface, optional
26
Voltage
supply In
(1)
(1)
(1)
(2) (2) (3) (4) (5)
(1)
Interface LAN2
Interface USB Host
Interface USB Host
(1)
Interface COM
(6) (7)