SNAP-PAC-R1-W OPTO 22, SNAP-PAC-R1-W Datasheet

SNAP-PAC-R1-W

Manufacturer Part Number

SNAP-PAC-R1-W

Description

Programmable Controller Wireless

Manufacturer

OPTO 22

Datasheet

1.SNAP-PAC-R1-W.pdf (6 pages)

Specifications of SNAP-PAC-R1-W

Accessory Type

Programmable Automation Communication

Signal Input Type

Ethernet, RS-232

Rohs Compliant

Yes

For Use With

SNAP PAC System

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Industrial Automation Flirts with

Wireless

The automation industry increasingly finds wireless attractive, and

for several reasons.

•

For all these reasons, automation engineers are beginning to

seriously consider wireless solutions (specifically WLAN, wireless

Ethernet, or Wi-Fi) for all or part of their applications.

But with all these good reasons to use wireless, several concerns

remain. Among them are security, network performance and

reliability, availability and cost of I/O components, and the necessity

of choosing between wired and wireless solutions up front.

Overcoming Concerns about Wireless PACs and I/O in

Industrial Automation

Running a wired network incurs significant labor and material

costs, while wireless networks cost far less.

Wireless offers connectivity for remote areas or areas not

currently served by wired networks.

Wireless controllers and I/O can manage devices and

processes even in inaccessible areas, or areas where network

wiring is difficult or impossible to install.

And wireless can offer a way to provide proof-of-concept for a

new project before incurring the expense of a wired network.

Wired or wireless?

Security

Wireless network security has been notoriously easy to

compromise. Just stand outside an apartment building with a

laptop and check the available wireless networks. How many can

you access without even a password? But while personal wireless

networks often remain insecure, security standards for business,

industrial, and government use have been developed over the last

several years and adopted by most organizations.

The earlier WEP (Wired Equivalent Privacy) security algorithm,

which was found to have serious flaws, has been superseded by

much stronger and more secure transmission algorithms.

Wi-Fi Protected Access (WPA), including the Temporal Key Integrity

Protocol (TKIP), replaced the older WEP algorithm in 2003. The

more recent WPA2, introduced in 2004, uses the even more secure

Advanced Encryption Standard (AES) 802.11i algorithm.

WPA2’s AES algorithm is compliant with National Institute of

Standards and Technology (NIST) FIPS 140-2, required by some

government agencies and corporations. These standards can

protect a robust communication system.

For secure communications, WPA2-compliant products should be

used for industrial wireless implementations today.

PAGE

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SNAP-PAC-R1-W Summary of contents

Page 1

Overcoming Concerns about Wireless PACs and I/O in Industrial Automation Industrial Automation Flirts with Wireless The automation industry increasingly finds wireless attractive, and for several reasons. • Running a wired network incurs significant labor and material costs, while wireless networks ...

Page 2

Wireless PACs and I/O in Industrial Automation Network Performance and Reliability The reliability of a wireless network depends on a number of things, including network size, physical environment, number of network users and how heavy their use is, and interference ...

Page 3

Wireless PACs and I/O in Industrial Automation The best solution is to look for a manufacturer whose wireless line encompasses a large array of reliable I/O and requires very few extra components. Ideally, look for a manufacturer whose I/O line ...

Page 4

... SNAP I/O , which can also be used as remote I/O with Allen-Bradley® Logix PLCs and PC-based control systems. • In Opto 22’s SNAP PAC System, control is distributed among programmable automation controllers (PACs) and intelligent remote I/O processors (called ™ —an intelligent, ...

Page 5

... No additional wireless components are needed. The full line of analog, digital, and serial SNAP I/O modules is available for engineers to use with either network—an important point, since the company is well known for the breadth and reliability of its I/O. ...

Page 6

... I/O module is tested twice before leaving the factory in Temecula, California. The company does no statistical testing. Because the company builds and tests its own products, Opto 22 guarantees all solid-state SNAP I/O modules for life. Product support for all products is free. For more information on wireless I/O and other products, visit www ...

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