Intermec GPIO User Manual
GPIO Terminal
Block
User's Guide
ii GPIO Terminal Block User’s Guide
Intermec Technologies Corporation
Corporate Headquarters
6001 36th Ave. W.
Everett, WA 98203
U.S.A.
www.intermec.com
The information contained herein is proprietary and is provided solely
for the purpose of allowing customers to operate and service Intermecmanufactured equipment and is not to be released, reproduced, or used
for any other purpose without written permission of Intermec.
Information and specifications contained in this document are subject
to change without prior notice and do not represent a commitment on
the part of Intermec Technologies Corporation.
© 2005 Intermec Technologies Corporation. All rights reserved.
The word Intermec, the Intermec logo, Norand, ArciTech, CrossBar,
Data Collection Browser, dcBrowser, Duratherm, EasyADC,
EasyCoder, EasyLAN, Enterprise Wireless LAN, EZBuilder,
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Intermec Printer Network Manager, IRL, JANUS, LabelShop, Mobile
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Virtual Wedge are either trademarks or registered trademarks of
Intermec Technologies Corporation.
Throughout this manual, trademarked names may be used. Rather
than put a trademark (™ or ®) symbol in every occurrence of a
trademarked name, we state that we are using the names only in an
editorial fashion, and to the benefit of the trademark owner, with no
intention of infringement.
There are U.S. and foreign patents pending.
GPIO Terminal Block User’s Guide iii
Contents
What Is the GPIO Terminal Block?............................................ 5
About the Terminal Block Connections............................... 6
About the Input, Output, and Power Terminal
Connections ...................................................................6
Installing the Terminal Block...................................................... 7
Installing the Terminal Block...................................................... 8
Using the Terminal Block......................................................... 10
About the IF5 GPIO Interface........................................... 10
Connecting Devices to the Input Terminals....................... 10
IF5 Powered Input ..................................................... 12
Isolated Input Interface............................................... 13
Open Collector Input Interface .................................. 14
Connecting Devices to the Output Terminals.................... 15
Switching the High Side Using IF5 Power.................. 17
Switching the Low Side Using IF5 Power................... 18
Switching the High Side Using External Power .......... 19
Driving a DC Relay To Control an AC Load ............. 20
Connecting Devices to the Power Terminal ....................... 21
Sample System Diagram ........................................................... 22
Where to Go From Here .......................................................... 23
Specifications............................................................................ 23
Serial Port Pinouts ............................................................. 23
iv GPIO Terminal Block User’s Guide
GPIO Terminal Block User’s Guide 5
What Is the GPIO Terminal Block?
The terminal block is an accessory for the IF5 Fixed Reader that
makes it easy to connect industrial controls such as motion
sensors or lights to the reader.
You connect the terminal block to the IF5 with a 25-pin GPIO
cable (P/N 236-057-001). The block provides access to each of
the four general purpose inputs and outputs on the IF5 via
standard screw terminals. Each terminal is clearly marked to
make wiring easy.
GPIO Terminal Block
6 GPIO Terminal Block User’s Guide
About the Terminal Block Connections
The terminal block has a serial port and a strain relief connector
as shown in the next illustration.
Serial port
Strain relief
connector body
Sleeve
Bushing
Split ring
Terminal Block Connections
To connect the terminal block to an IF5, you need a 25-pin
GPIO cable (P/N 236-057-001). You supply your own cables or
wiring for your industrial controls.
For more information on connecting industrial controls to the
terminal block, see “Using the Terminal Block” on page 10.
About the Input, Output, and Power Terminal
Connections
The terminal block provides standard screw terminals that you
use to connect industrial control wiring to the IF5 GPIO and
power interfaces.
The screw terminals are located inside the terminal block on the
main circuit board and are arranged as shown in the next
illustration.
GPIO Terminal Block User’s Guide 7
Inputs
Outputs
1
2
3
4
+12VDC
Ground
+12V
Ground
+
-
+12V
Ground
+
-
Power
+12V
Ground
+
-
+12V
Ground
+
-
+12V
Ground
+
-
+12V
Ground
+
-
+12V
Ground
+
-
+12V
Ground
+
-
Terminal Connections: This illustration shows the input, output, and power
terminal connections on the main circuit board.
8 GPIO Terminal Block User’s Guide
Installing the Terminal Block
Note: For IP54 compatibility, mount the terminal
block with the connector side facing toward the floor.
You need these tools to install the terminal block:
• Drill and drill bits appropriate for the mounting surface
• Small straight-slot and Phillips screwdrivers
• Wire crimping and stripping tool
Note: The terminal block includes four #6 x 2 in
wood screws you can use for mounting, or you can
supply your own mounting hardware.
To install the terminal block
1 Choose a location for the terminal block.
2 Drill four mounting holes. Use the included drilling template
(P/N 931-008-001).
3 Remove the top cover from the terminal block.
4 Place the terminal block in the location and secure it to the
mounting surface with four appropriate fasteners.
Mounting
hardware
(4 places)
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