User Manual

Any event can be triggered on either the ʻclosingʼ or ʻopeningʼ edge of any input. A

ʻclosingʼ is when you ground an input. An ʻopeningʼ is when that grounding is removed.

The inputs can be triggered on any voltage from 9 to 24 VDC. If you donʼt have an ex-

ternal source of power for these two inputs, you can ʻstealʼ some juice from the Br-

SDCʼs power supply.

ʻ8ʼ & ʻ9ʼ Inputs:

These are two optically isolated digital inputs. Unlike the 1/4-J6 inputs, these can be

wired to switch either side of the photo diode:

External Power

(+ 5-24 VDC supply)

terminal #1

terminal #2

terminal #3

terminal #4

DATA BIT 8

DATA BIT 9

Versions of the Br-SDC 2.0 or later use a bipolar optoisolator on inputs 8 and 9. This

means that you can ignore the polarity markings shown in the above illustrations on all

versions of the Br-SDC 2.0 and later.

Any event can be triggered on either the ʻclosingʼ or ʻopeningʼ edge of either input. A

ʻclosingʼ is when you apply a voltage to an input. An ʻopeningʼ is when that voltage is

removed. The inputs can be triggered on any voltage from 5 to 24 VDC. If you donʼt

have an external source of power for these two inputs, you can ʻstealʼ some juice from

the Br-SDCʼs power supply.

Power Supply:

(5.5 mm O.D. / 2.1 mm I.D. power jack)

The Br-SDC can be run from any supply voltage from 9-24 VDC.

The outer ring is used for the ground, and the middle pin is used for the positive con-

nection. This input is protected from reverse polarity connections. An idle Br-SDC draws

only about twenty-ﬁve milliamperes. It can run for days on just a single nine volt battery.

Gilderﬂuke & Co.• 205 South Flower Street • Burbank, California 91502 • 818/840-9484 • 800/776-5972 • fax 818/840-9485

Br-SDC Manual / December 30, 2013 9:24 AM / page 13 of 62