This controller detects the material tension using load detectors arranged at
the both ends of the roll, controlling the powder clutch/brake and
AC motor's torque by making the set tension and the detected tension
equal.
This technique yields the highest precision compared to our other tension control
methods, maintaining exactly the tension you specified. It also features microcomputer
control, with a ten key input method and an intuitive interface, making for a
truly multi- function tension control system. |
 |
| Features |
| 1 |
High precision microcomputer control
This equipment uses a 16bit microcomputer to calculate the exact torque
requirements with minimal operational error. Additionally, the load
detector uses a load cell to reduce the detection error to a minimum. |
| 2 |
Simple operation
Troublesome dial adjustments are abandoned in favor of a numerical
keypad, providing exact input.
•Operating values such as initial zero, span setting, tension setting
and response gain can be digitally input, allowing consistency across
similar machines.
•The set tension and detected tension are separately displayed and
the tension can be changed even during a line stop. |
| 3 |
Small and lightweight
By adopting microcomputer control and by using a switching power supply,
the equipment is smaller and lighter, eliminating the need for reinforcing
angles when mounting on the wall or on a panel. |
| 4 |
Sophisticated Controls
Various advanced functions are included to help you perform more sophisticated
tension control
•The output voltage is automatically stored when the power is shut
off, and is immediately set when power is restored, allowing a quick,
effortless recovery from power failure.
•A DC value of 0-10V can be input to specify the external tension.
•A DC value of 0-10V is output to indicate external tension.
•In addition to a DC 24V signal, an analog 10V output is provided,
allowing for a wide range of control.
•An overcurrent protection circuit is provided to protect the controller
in case of a power failure.
•Internal failures can be detected automatically with integrated diagnostics. |
| Dimensional outline drawing |
| PCF Automatic tension controller |
|
| Specifications |
| Type |
PCF-120A |
| Input voltage |
AC100/110V又は200/220V switch |
| Output voltage |
DC0-24V 0-6A PWM output
DC0-10V Analog voltage switch |
| Capacitance |
144W |
| Tension setting |
0-99.9(kg),0-999(kg) |
| External tension setting |
DC0-10V (8bit) |
| Load detection input voltage |
DC0-0.5V/rated load |
| Sequence signal input |
Start, stop, speed reduction gain, manual, storage, roll switch |
| Sequence signal output |
Zero tension |
| External tension output |
DC0-10V |
| Monitor display |
Tension display 0-99.9(kg),0-999(kg)
Output voltage 0-99%
Monitor setting content, normally tension setting
DATA INPUT Lighting during data input
BALANCE Lighting by the abnormal tension |
| Data setting items |
･ZERO zero adjustment
･LEFT SPAN Set load of left loading detector
･RIGHT SPAN Set load of right loading detector
･START V Automatic operation start voltage
･START T Occurrence time of automatic operation start voltage
･STOP V Automatic operation stop voltage
･STOP T Occurrence tile of automatic operation stop voltage
･RESET V Created voltage at the stop
･TENSION Automatic tension value
･TIME Response speed
･GAIN Response range
･DEC G Response range during line speed reduction
･TAPER Taper ration |
|
|
| Protect function |
Over current trip |
| Operating temperature |
0-40°C |
| Storage temperature |
-10-50°C |
| Humidity |
10-85%RH, without condensation |
| Atmosphere |
No corrosion gas, dust (inner room specification) |
| Vibration |
Less than 0.5G |
| Altitude |
Less than 1000m |
| Structure |
Steel plate, floor, protective type |
| Weight |
About 4.2kg |
| Paint color |
Panel P2-1007
Case 5Y8/0.5 |
| Compatible model |
Larger model than:
Powder clutch/brake
Hysteresis clutch/brake
AC servo motor |
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| Input/output terminal connecting diagram |
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