SNAP-PAC-S1-W OPTO 22, SNAP-PAC-S1-W Datasheet - Page 5

• Manufacturer Part Number: SNAP-PAC-S1-W
• Description: Programmable Controller Wireless
• Manufacturer: OPTO 22

Specifications of SNAP-PAC-S1-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

SNAP PAC S-Series Controllers
System Architecture (continued)
© 2006–2009 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
This diagram shows a SNAP PAC S-series controller connected to
multiple Opto 22 serial-based I/O units over an RS-485 serial
network. The controller is also connected to a larger, separate
enterprise Ethernet network to provide process data to a PC
running Opto 22’s PAC Display HMI software.
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SNAP-PAC-S1 Controller and Serial-based I/O Units
The network shown in this diagram requires PAC Control Professional and PAC Display Professional.
RS-485 serial
Sensors and actuators,
network
location #1
PC running PAC Display
Professional
I/O units are connected via a 2-wire RS-485 serial network
and are controlled by the SNAP PAC S-series controller. Each I/O
unit is connected to its own group of sensors and actuators.
Ethernet
switch
Sensors and actuators,
location #2
SNAP PAC S-series
controller controls
all I/O units.
Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com
The diagram also shows a PC running PAC Control Professional;
the control program (or strategy) that runs on the SNAP controller
was developed in this application. Once developed, the strategy is
downloaded to the controller and runs independently.
PC running PAC Control
Professional
Sensors and actuators,
location #3
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