Intermec IF2 IF2 Network Reader User Manual - Page 98

About the GPIO Interfaces, Access the Interfaces

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Chapter 6 - Use the IF2 GPIO Interfaces About the GPIO Interfaces The IF2 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 IF2 operations. Each interface is electrically isolated from the IF2 and designed for low voltage DC loads. The IF2 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. If your application uses the IF2 GPIO interfaces to control external devices such as indicator lamps, running the application on the IF2 may decrease response time for those devices. For more information, see "Install Applications on the IF2 with Expanded Memory Option" on page 51. Access the Interfaces You can access the GPIO interfaces through the IF2 GPIO port. The port uses a standard 25-pin serial cable. For port pin assignments, see "Port Pin Assignments" on page 94. Intermec offers these GPIO accessories: • The GPIO Terminal Block (P/N 203-726-xxx). Use this accessory to connect devices to the IF2 GPIO interfaces. The block provides access to the IF2 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 IF2 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 IF2 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. 84 IF2 Network Reader User Manual

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Chapter 6 — Use the IF2 GPIO Interfaces
84
IF2 Network Reader User Manual
About the GPIO Interfaces
The IF2 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 IF2 operations.
Each interface is electrically isolated from the IF2 and designed for
low voltage DC loads. The IF2 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.
If your application uses the IF2 GPIO interfaces to control external
devices such as indicator lamps, running the application on the IF2
may decrease response time for those devices. For more information,
see
“Install Applications on the IF2 with Expanded Memory
Option” on page 51
.
Access the Interfaces
You can access the GPIO interfaces through the IF2 GPIO port. The
port uses a standard 25-pin serial cable. For port pin assignments, see
“Port Pin Assignments” on page 94
.
Intermec offers these GPIO accessories:
•
The GPIO Terminal Block (P/N 203-726-xxx). Use this accessory
to connect devices to the IF2 GPIO interfaces. The block provides
access to the IF2 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 IF2 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 IF2 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.