PLC Systems
PLCs are the heart of nearly all of our systems. Nol-Tec Southeast engineers have
proven expertise on various PLC platforms. These include all Allen-Bradley processors,
GE Fanuc, Modicon, Mitsubishi, Siemens and others.
Our PLC application experience includes:
- Integration with drive systems
- Winders and un-winders
- Precision tension control
- Integrated motion
- Continuous loss-in-weight
- Many, many others... Read On >>
PLC Upgrades
Critical processes which are running on obsolete PLC equipment represent a tremendous
risk to production. This risk may be hidden, given that in most cases PLCs run trouble-free
for many years. Fortunately, these older PLCs can be migrated
to new technology products. The following PLC processor upgrades are available:
- A-B PLC-3 to A-B Logix Processors (ControlLogix, CompactLogix, FlexLogix)
- A-B PLC-2 to A-B Logix Processors
- A-B PLC-5 to A-B Logix Processors
- A-B SLC 500 to A-B Logix Processors
- Reliance AutoMAX to A-B Logix Processors
- GE Fanuc Series 6 to GE Fanuc RX7i
Legacy PLC-3 by Allen-Bradley
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Legacy AutoMAX by Reliance
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Legacy PLC-2 by Allen-Bradley
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Current Technology ControlLogix by Allen-Bradley
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In most A-B to A-B conversions the existing application program can be converted automatically using
conversion routines. Manual checking is performed to handle certain caveats (usually
involving the way older processors performed math operations). For non-A-B processor upgrades
the program must be manually converted to the new platform.
In some cases choosing to leave the existing I/O modules in place, while
only upgrading the PLC processor can be very economical, and reduce
process down-time. Another advantage is the ease of switching
between old and new processors during the conversion process,if required.
Nol-Tec Southeast is very proficient at providing these services and
can easily provide a price and schedule to accomplish the upgrade. Users enjoy the benefits
of having current hardware, and improved maintainability using modern programming tools.
One of the biggest benefits of upgrading is the ability to network various processors and smart devices
over Ethernet. This opens the door to improved data collection
and monitoring, remote troubleshooting and support of processes, and seamless connectivity
between the plant floor and enterprise software systems.
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