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Chapter 5 — Using the IF61 GPIO Interfaces

114 IF61 Fixed Reader User’s Manual

About the GPIO Interfaces

The IF61 has four general purpose input and output (GPIO)

interfaces. You connect external controls such as motion sensors or

indicator lamps to the GPIO interfaces, which can then trigger IF61

operations.

Each interface is electrically isolated from the IF61 and designed for

low voltage DC loads. The IF61 can also supply 12 VDC at 0.5 A to

external devices.

How the inputs and outputs are used depends on the RFID

application software being used in the system. You need to coordinate

input and output control wiring with the software developer.

Accessing the Interfaces

You can access the GPIO interfaces through the IF61 GPIO port. The

port uses a standard 25-pin serial cable. For port pin assignments, see

“Port Pin Assignments” on page 124.

Intermec offers these GPIO accessories:

• The GPIO Terminal Block (P/N 203-726-xxx). Use this accessory

to connect devices to the IF61 GPIO interfaces. The block provides

access to the IF61 GPIO interfaces via standard screw terminals.

• The Light Stack Kit (P/N 203-858-xxx). This 3-color indicator

light and beeper connects directly to the IF61 GPIO port and is

triggered by the output interfaces. The kit includes a connecting

cable.

• The Sensor Kit (P/N 203-859-xxx). This motion sensor connects

directly to the IF61 GPIO port and triggers the input interfaces.

The kit includes a mounting bracket and connecting cable.

• The Light Stack and Sensor Kit (P/N 203-860-xxx). This kit

includes the light stack, a sensor with mounting bracket, and

connecting cable.

For more information on these GPIO accessories, contact your local

Intermec distributor.

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Intermec IF61 Manual de usuario Pagina 128