Opto 22

43044 Business Park Drive, Temecula, CA 92590 USA
Local & outside the USA:(951) 695-3000
Toll-Free within the USA:(800) 321-6786
Fax: (951) 695-3095
Email: sales@opto22.com

It's easier to understand and evaluate a new technology if you can see how its capabilities compare with technologies you already know. This chart compares features of a PAC with traditional features of PLCs, DCSs, PCs, and RTUs.

Which features will you need for your application?

Feature PCs PLCs RTUs DCSs PACs
Industrially hardened hardware
 
x
x
x
x
Discrete control/sequential control
 
x
x
 
x
Process control (batch and continuous)
x
x
 
x
x
Remote monitoring & control, SCADA
 
x
x
 
x
Motion control
x
     
x
Multi-domain capabilities (One controller performs logic, process control, discrete control, motion control, monitoring, and data acquisition.)
x
     
x
Distributed control functions to reduce load on central controller (examples: PID loop control, pulse generation, latching, events and alarms)
 
   
x
x
Critical local operations continue in the event of a communication failure.
 
   
x
x
Multifunction (Meet complex requirements without add-ons or middleware.)
 
     
x
Multitasking
x
     
x
Efficient processing and I/O scanning (PACs scan only when logic requires it, thus reducing data polling and network traffic.)
x
   
x
x
Data-intensive applications such as recipe or batch processes; recipe switching
x
x
 
x
x
Floating-point math
x
x
 
x
x
Compact, high-density system
 
x
 
 
x
Flexible, modular architecture (Use same hardware in small or large system; easily expand system with additional modules.)
 
     
x
Extensive communication options
x
 
x
 
x
Open languages and standard protocols
x
x
 
 
x
Open, standard network interfaces
x
     
x
Easy support for multiple vendors' hardware & software
x
     
x
Integrated hardware and software
 
   
x
x
Integrated development environment for all applications (Discrete, analog, serial, motion, etc. Reduces programming effort/time.)
 
     
x
Common tagname database (No retyping or cross-reference lists.)
 
x
   
x
Long, plain-language tagnames
 
     
x

More information on PACs

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Opto 22 Product Support

Opto 22 Product Support is FREE Monday through Friday 7 a.m. to 5 p.m. Pacific Time

Product Support Numbers:

Local: (951) 695-3080
Toll-Free: (800) 835-6786
Fax: (951) 695-3017
support@opto22.com

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