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SNAP-IT-PM Installation Guide
Introduction
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Elcodis.com
electronic components distributor
Chapter 1
The Opto 22 SNAP-IT
panel-mount unit is a packaged solution for attaching electrical,
electronic, and mechanical devices to an Ethernet network. Once attached to a network through
the SNAP-IT unit, these devices can be monitored and controlled from anywhere in the world.
The panel-mount unit comes in several models:
The SNAP-IT-PM-ADS includes a SNAP-B3000-ENET analog/digital/serial Ethernet
brain, a 12-module mounting rack, a power supply, and a 24 V loop power supply, all built
in and pre-wired.
The SNAP-IT-PM-UADS is identical to the SNAP-IT-PM-ADS but adds programming
capability by including a SNAP-UP1-ADS Ultimate brain instead of the Ethernet brain. With
this unit you receive ioControl
developing machine and process control applications.
The SNAP-IT-PM-ADS-PLUS (with an Ethernet brain) and SNAP-IT-PM-UADS-PLUS
(with an Ultimate brain) come ready for a dial-up connection and include the brain, a
12-module mounting rack, a power supply, a modem, a digital input module to monitor AC
power to the unit, and a 12 V backup battery.
The SNAP-IT-PM-ADS-PLUS24V and SNAP-IT-PM-UADS-PLUS24V are identical to
the PLUS models but with a 24 V battery backup.
With any SNAP-IT model, you add the analog, digital,
and special-purpose input/output (I/O) modules
necessary for your application.
Packaged in a sturdy NEMA 3R metal housing for
mounting on walls or equipment, SNAP-IT units are
suitable for use in indoor or outdoor environments.
Typical applications include monitoring and controlling
facilities, machines for manufacturing and processing,
communication towers, tanks, pipelines, and other
equipment. For example, you can:
Detect machine jams and shutdowns
Control processes
software, an easy-to-use flowchart-based environment for
1267-050202—SNAP-IT-PM Installation Guide
1

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Summary of Contents for OPTO 22 SNAP-IT-PM

  • Page 1 12-module mounting rack, a power supply, and a 24 V loop power supply, all built in and pre-wired. • The SNAP-IT-PM-UADS is identical to the SNAP-IT-PM-ADS but adds programming capability by including a SNAP-UP1-ADS Ultimate brain instead of the Ethernet brain. With ™...
  • Page 2: What's In This Guide

    This brief guide shows you how to insert modules in the unit, connect power, and mount the unit. For SNAP-IT-PM-ADS, SNAP-IT-PM-ADS-PLUS, and SNAP-IT-PM-ADS-PLUS24V: To configure modules and communicate with the unit, you will also need Opto 22 form #1460, the SNAP Ethernet-Based I/O Units User’s Guide, and form #1440, the ioManager User’s Guide, which are included in this binder.
  • Page 3 For all SNAP-IT-PM units—Wiring information and specifications for modules can be found in the Opto 22 documents listed below. All are included in this binder and are also available in Adobe Acrobat PDF format on the Opto 22 Web site at www.opto22.com.
  • Page 4: Quick Start

    Quick Start The following diagrams show the parts inside the SNAP-IT panel-mount models and wiring for attaching external AC power. SNAP-IT-PM-ADS and SNAP-IT-PM-UADS External power connection SNAP-IT-PM-ADS-PLUS and SNAP-IT-PM-UADS-PLUS External power connection 1267-050202—SNAP-IT-PM Installation Guide Downloaded from Elcodis.com electronic components distributor...
  • Page 5: About Modules

    Each module contains four banks of eight points. High-speed counting is not available, and points within each bank are not isolated from each other. These modules are ideal for applications in confined space where isolation and high-speed counting are not required. 1267-050202—SNAP-IT-PM Installation Guide Downloaded from Elcodis.com electronic components distributor...
  • Page 6: Inserting Modules

    (shown in the detailed view in the illustration below) before snapping a module into position. Modules snap securely into place and require a special tool (provided) to remove them. If you need to remove a module, see page 10 for instructions. 1267-050202—SNAP-IT-PM Installation Guide Downloaded from Elcodis.com electronic components distributor...
  • Page 7 Mounting the Unit and Connecting Power 1. Mount the SNAP-IT-PM unit on a convenient wall or piece of equipment. 2. Inside the unit, connect external AC power to the unit as shown in the diagrams starting on page 1267-050202—SNAP-IT-PM Installation Guide...
  • Page 8: Optional Modem

    QUICK START Optional Modem Your SNAP-IT-PM unit may contain an optional modem. The modem card is shown in the following diagram: RS-232 connection to SNAP Ethernet brain 12.5 VDC power into 5 VDC power out Modem LEDs converter from power...
  • Page 9: Specifications

    In addition to the system LEDs shown in the table above, numeric LEDs are also provided on each standard digital module to indicate the status of its points. A lighted LED indicates that the digital point is on. (High-density digital modules do not have status LEDs.) 1267-050202—SNAP-IT-PM Installation Guide Downloaded from Elcodis.com...
  • Page 10: Removing A Module

    Copyright © 1999–2005 Opto 22. All rights reserved. Printed in the United States of America. The information in this manual has been checked carefully and is believed to be accurate; however, Opto 22 assumes no responsibility for possible inaccuracies or omissions. Specifications are subject to change without notice. All trademarks, trade names, logos, and service marks referenced herein belong to their respective companies.

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