Bai BA-220 Dokumentacja Pobierz pdf (Strona 23)

Connecting to the BA-220 DualBeam

Input/Output connections

The No Read and Good Read output terminals connect through

optional relays. The + Loop and - Loop connections are for an

optional input from a loop detector or other dry contact device.

The +12VDC terminal is an output and provides power to run

accessories such as an external modem. It should not be used for

devices that need more than 500mA of current.

The Ground terminals (both of them) connect to the BA-220

DualBeam electronic circuit ground.

The Wiegand Hold terminal is not implemented and should not be

connected.

Wiegand 1 and Wiegand 0 are the Wiegand communication terminals.

The Wiegand Isolator (Green case) module should be connected

here.

+NO READ

-NO READ

+GOOD READ

-GOOD READ

+LOOP

-LOOP

+12VDC

GROUND

WIEGAND HOLD

GROUND

WIEGAND 1

WIEGAND 0

1 2 ... 18 19 20 21 22 23 24 25 26 27 28

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Bai BA-220 Dokumentacja Strona 23