Connection Diagram; Display, Operating, And Connection Elements - JUMO variTRON 500 Montageanleitung

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.
3.3.1

Display, operating, and connection elements

This overview shows the position of the display, operating, and connection elements. The assignment to
individual functions is illustrated in the following sections.
(10) Com2 terminating resistors
(11) Interface Com1
(12) USB host interface 1
(13) USB host interface 2
(14) Com1 terminating resistors
(14)
(13)
(12)
(11)
(10)
(9)
(8)
(1) Display
(2) Voltage supply Out, DC 24 V
(3) Control elements
(4) Interface LAN3 (for future use)
(5) Side system bus Out
(6) External voltage supply DC 24 V (voltage supply In)
(7) Interface LAN2
(8) Interface LAN1
(9) Interface Com2
3 Electrical connection
(1)
(2)
(3)
(4)
(5)
(6)
(7)
23