Schneider Electric INTERBUS Basic User's Guide download pdf (Page 12)

Section 1—Hardware Set-Up Bulletin No. VVDED397053US

Connections November 2000

CONNECTIONS

Figure 4: External Power Supply for VW3A58304EU Card

The transmission interface is electrically isolated from the drive controller

in accordance with standard RS-485. It is available on a 9-pin SUB-D

connection.

Table 4: Male 9-pin SUB-D Connector Pin (Input) on the Card

Pin Signal Pin Signal Pin Signal

1DO14

Connection

7DI1/

2DI15

Connection

3 GNDI 6 DO1/ 9

Connection

+24 V 0 V

VW3A58304E

24 Vdc supply (22 V minimum to 25 maximum), 200 mA minimum

Ground the external 24 Vdc supply to the same ground as the

drive chassis.

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Schneider Electric INTERBUS Basic User's Guide Page 12