Essex Electronics K1 Series Manuale delle Istruzioni Scaricare il pdf (Pagina 18)

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BCD Keypad Reader

! BCD Specifications

An Output is generated with each key press with a pulse duration

of 75 msec. If a longer pulse width is required, grounding the PINK

wire on the connector will increase the pulse width to 150 msec.

An annunciator beeps with each key press.

The output is BCD SINKING with internal 2.2K ohm pull-up

resistors. If a BCD SOURCING output is required, grounding the

ORANGE wire on the connector will convert the output to BCD

SOURCING thru 2.2K ohm resistors. The resistors are pulled up

to the internal 5V.

The BCD outputs are:

1 GREEN

2 WHITE

4 VIOLET

8 BLUE

! Position “0” is sent as a 10

! Position “*” is sent as an 11

! Position “#” is sent as a 12

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 35 36

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Essex Electronics K1 Series Manuale delle Istruzioni Pagina 18