Beckhoff C6920 User Manual download pdf (Page 16)

Installation Instructions

signal lamp connection or via a contactor. With this solution the main

switch generally only has to be switched off if the control cabinet has to be

opened. The battery will only be used in the event of a power failure.

In order to maintain a screen display for the Industrial PC in the event of a

power failure, the power supply unit is equipped with a UPS output 27 V /

1.4 A for connecting a Control Panel with a display dimension up to 19

inches. This enables a power failure to be visualized and displayed to the

user. Once the PC has shut down, the UPS output is switched off.

For a detailed functional description please refer to section Connecting

Power Supply.

Pin assignment of the connector

The power supply and the external circuit for switching the Industrial PC on

and off are connected via the 8-pole plug connector .

Pin assignment for

connecting the switch, the

power supply and the

battery pack (optional)

Pin Function

Battery Pack

(with UPS only)

UPS+ (Output)

24 V DC

Power Supply

PC_ON

Power-Status

1 2 3 4 5 6 7 8

14 C6920/ 25

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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Beckhoff C6920 User Manual Page 16