DNF Controls SW2X1-RS422 Manuale d'uso - Pagina 4

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STANDARD FEATURES

The SW2X1, Electronic A / B switch has 2 buffered inputs and one

buffered output for easy interfacing. There are no mechanical multi-pole

switches to wear out or fail.

Front panel control and remote control provide flexible operation to fit

your specific application.

Quickly and easily switch from primary system to backup system at the

press of a button.

In the event of power failure, on-board bypass relays switches "A" input to

output.

Chose whether the GPI will be self powered or have power supplied by

the source equipment. Each GPI is independently settable.

DRY: External circuit powers

INPUT opto-isolator

INPUT is isolated from other inputs

Place jumper over pins 2 and 3

JUMPERS: J1 – J8

WET: SW2X1 powers INPUT opto-

isolator

External circuit provides path to

ground

Place jumper over pins 1 and 2

SW2X1 User Manual

Revision 08/16/07

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