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Product overview

C692010 Version: 3.2

3.2 Interface description

The basic version of the C6920 has the following interfaces:

• Power supply (X101)

• Ethernet RJ45 (X102, X103)

• USB (X104 - X107)

• DVI (X108)

• RS232 (X109)

3.2.1 Power supply

The Industrial PC is supplied with a rated voltage of 24V. The 8-pin voltage socket (X101) is used for

connection to the power supply and the external wiring of the Industrial PC. The main supply voltage is

applied between PIN 5 (-24V) and PIN 6 (+24V) of the socket. If the Industrial PC is equipped with an

integrated uninterruptible power supply (UPS), an external battery pack can additionally be connected to PIN

1 and PIN 2.

X101

P-S

PC-ON

24V

24V UPS

BAT

C9900 U330

only

Fig.2: C6920_Voltage socket pin numbering

Table2: Voltage socket pin assignment

Pin Signal Description

8 P-S Power Status output, minus is the negative pole of the supply voltage

7 PC ON Input PC_ON

6 + 24V Positive pole Supply voltage 24V

5 - Negative pole Supply voltage 24 V

4 Protective earth

3 24 V UPS 24 V UPS output 2.5 A, minus is – BAT

2 + BAT Positive pole of the battery pack

1 - BAT Negative pole of the battery pack

Beckhoff C6920 User Manual

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