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CLPC Series II
Closed-Loop Position Control
- Closed-loop indexing accuracy with up
to 24,000 lb. ins. torque
- 150 cpm cycle rates and higher
Indexing Accuracy... With Muscle
Sub-100-msec.
index times
Cycle rates well
over 100 cpm
Torque from
100-24,000 lb. ins. |
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Now you can meet production demands
for more speed, power and accuracy from your indexing drives, without moving up to
expensive, complex servos. Purpose-designed for quick reaction time and repeatability, the
CLPC Series II closed-loop position control and Posidyne®
clutch/brake outperform typical PLC-based systems, and approach servo accuracy for a
fraction of the cost.
The CLPC Series II control gives near-flawless stopping repeatability to Posidyne
clutch/brake drives. Closed-loop compensation yields typical repeatability of ±1 count
per index. Coupled with the Posidyne clutch/brake's low inertia and high torque
capability, you have the ideal drive for cycling heavy loads or for rapid-fire indexing.
It's perfect for cutoffs, shears, auger fillers, conveyors and similar drives.
The CLPC control receives data from an incremental encoder and a home position
sensor to detect any deviation in stopping position. The control's software uses a running
average of this data to constantly adjust the brake's trigger point to hit home.
Unique Advantages
One control for any size
drive. The control does not power the drive, so control size is independent of
torque, minimizing your cost. And you can't overheat the control by pushing the drive too
hard.
High accuracy. Closed-loop
error compensation adjusts the brake trigger point for change in speed, dynamic load or
friction in belts, bearings, lubricants, etc. High torque without high cost.
You can have up to 24,000 lb. ins. torque using standard drive components.
Faster than a PLC. A
single-purpose control, the CLPC eliminates stopping inaccuracies caused by the
variance of typical PLC scan time. The CLPC control has a scan time approximately
1000 times faster - at 20 microseconds - than basic PLCs.
Easy set-up and operation.
A teaching function allows the operator to quickly re-zero the drive and recalibrate after
a stoppage. For fine-tuning, the brake trigger point can be manually advanced or retarded
(up to ± one-quarter index) via touch-pad on the front of the control.
Extreme flexibility.
The CLPC control can provide high resolution or handle multiple shaft revolutions.
It accepts up to 66.535 encoder counts. Encoder output is adjustable via dip-switch from
1/56 to 4X, allowing easy customization to system requirements. |
CLPC Series II Control
Simple. No complicated
programming. A few touch-pad controls and readouts allow machine operators to set-up and
adjust the drive.
16-Bit microcontroller.
The CLPC control operates at 12 MHz clock speed, with proprietary software in
EPROMs.
Ready for integration.
The CLPC control is designed as a stand-alone interface control between your
machine control and the Posidyne clutch/brake. Ten I/Os allow easy interface with
PLCs, sensors and controls.
Drive protection. A
watchdog timer with 16 selectable values senses jams and shuts down drive. The CLPC
control also ensures machine synchronization by signaling the master control when the
clutch/brake drive is in operation.
Shop-hardened and reliable.
Operates on standard single-phase 115/230 VAC. Circuit boards feature quick-disconnect
blocks for easy service or upgrade. All relays and inputs are fused. Enclosure is NEMA
4/12. System is fully tested before shipping. |
Posidyne® Clutch/BrakeQuick and powerful. Multiple
small-diameter disks enable the Posidyne clutch/brake to handle dynamic torque of
100-24,000 lb. ins., while keeping the unit's own inertia extremely low. Cyclic inertia is
only 0.003 lb. ft.2 for smallest unit; 3.18 lb. ft.2 for largest.
Low inertia allows quicker acc./dec. with minimal motor size.
Ideal for cycling
applications. Patented oil-shear design virtually eliminates torque fade and
provides excellent repeatability in cycling applications.
High heat dissipation.
Torque is transmitted by shearing automatic transmission fluid between the friction disks.
The fluid absorbs the heat of engagement and dissipates it through the housing. A basic,
mid-range Posidyne® clutch/brake rated at 3600 lb. ins. torque can handle 4.5
thermal horsepower. Auxiliary cooling increases this to 12 THP.
Long service life.
Lubricated friction surfaces deliver much longer service life than most dry friction
units... so long that Force Control offers a two-year warranty in approved applications. |
Torque with a precision touch CLPC
Series II control and Posidyne® clutch/brake at work
Rotary Cutoff Knife
Speed without short cuts OR
long cuts. Quick setup and accurate cuts through cold-to-hot phase shift are just
two of the advantages the CPLC control brings to rotary cutoff drives. Manual
offsets on the control make it easy to zero in on registration marks with minimal trial
and error. And once on target, the knife is reliably cycled for consistent cuts,
regardless of changing dynamic load. Applications include cutting of plastic bags, gloves,
tubing, hose, extrusions and wire. |
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Chain Link Fence Weaving
Machine
Never drops a stitch.
Chain link fence is woven by a machine that twists heavy wire around a flat blade turning
at 400-600 rpm, powered by a clutch/brake drive rated at 1000 lb. ins. For smooth,
reliable weaving of the twisted wire, the blade must be positioned within ±1.5° of the
same point every time. The CLPC control and Posidyne® clutch/brake
easily deal with the changing dynamic loads seen by this drive providing power and
accuracy, without the cost and complexity of a servo drive. |
Gypsum Board Turnover
No bruised product.
Wet, uncured gypsum board is a mushy product that has to be turned over prior to entering
the drying kiln. The turnover uses a pair of wing-like blades, operated by a
single-revolution harmonic crank drive. One wing receives the board off the infeed belt,
begins to flip it over, and then passes it to the other wing which lays the board down on
a transfer belt leading to the kiln. Perfect synchronization, with soft stops and starts,
is key to handling board at speeds of 325 fpm without bruising it. The CLPC
control allows easy touch-pad tuning of the stop point to ensure the dwell point on the
harmonic crank is perfectly timed. Then, the control holds that stop point through
cold-to-hot phase shift and other routine load changes to minimize product damage. Tunable
acc./dec. on the Posidyne® clutch/brake makes it easy to achieve soft stops and
starts with quick response. |
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Insulation Board
Shear
Sheer speed and accuracy.
Quick starts, accurate stops, consistent time-to-speed profiles - these are the
characteristics that allow the CLPC control and Posidyne clutch/brake to
drive an insulation board shear with power and precision. A typical drive is a
single-revolution harmonic crank with a 15-hp motor and flywheel capable of delivering 85
peak hp. The low-inertia Posidyne clutch/brake delivers quick, consistent
acceleration, while the control holds the stop point through cold-to-hot phase shift in
the drive mechanism. The manual increment/decrement feature on the control allows quick
set-up or adjustments with minimal scrap. |
Request 88-page APC catalog
for additional information about
Posidyne® clutch/brakes.
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