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4 setting the machine # dip-switches, Setting the machine # dip-switches – Kramer Electronics VP-1608 User Manual

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12

VP-1608 - Connecting a Single VP-1608

To connect a device with a RS-485 port to the VP-1608:

Connect the A (+) pin on the RS-485 port of the PC to the A (+) pin on the
RS-485 port on the rear panel of the VP-1608

Connect the B (–) pin on the RS-485 port of the PC to the B (–) pin on the
RS-485 port on the rear panel of the VP-1608

Connect the G pin on the RS-485 port of the PC to the G pin on the RS-485
port on the rear panel of the VP-1608

5.4

Setting the MACHINE # DIP-Switches

The MACHINE # determines the address of a VP-1608 unit when several VP-1608
units are controlled by a PC or serial controller. Set the MACHINE # on a VP-1608
unit via DIPS 1, 2, and 3 (DIP 4 is for RS-485 termination), according to the
following table:

MACHINE

#

DIPS

1

2

3

1 Master

OFF

OFF

OFF

2

OFF

OFF

ON

3

OFF

ON

OFF

4

OFF

ON

ON

5

ON

OFF

OFF

6

ON

OFF

ON

7

ON

ON

OFF

8

ON

ON

ON

When using a stand-alone VP-1608 unit, set the MACHINE # to 1.

When connecting more than one VP-1608 unit, set the first machine (the Master)
connected via RS-232, as MACHINE # 1. The other VP-1608 slave units (each set
to a MACHINE # between 2 and 8) interconnect via their RS-485 ports to the
RS-485 port on the Master.