T1 - Omron Control INSTRUCTION MANUAL
Page
9
SHAW-ALMEX INDUSTRIES LIMITED
49900-030 October 2000
Revised Mar03, Jun04, Aug04, Jun05
3.
The parameters can be adjusted so that set point is reached in the fastest possible time (straight line
heating) but this will cause the temperature to overshoot the set point by several degrees. Alternatively, the
parameters can be adjusted so there is zero overshoot but the rate of heating will decrease as the set point is
reached. If you wish to fine tune your controller in either of these ways, contact
Shaw-Almex
for advice.
6. MAINTENANCE
6.1.
Opening the Control Cabinet (T1R2 Models)
To access the circuits in the control panel, a Phillips head screwdriver is
required.
Safety:
Disconnect the power supply.
1.
Remove the screws from the cover.
2.
Remove the cover.
6.2.
Removing Control Panel from the Frame (T1F2, T1F3 Models)
To access the circuits in the control panel, a Phillips head screwdriver is required.
Safety:
Disconnect the power supply.
1.
On T1F2 models, disconnect the platen connector .
2.
Remove the screws from the panel.
3.
Slide the control assembly out the front opening of the frame.
4.
On T1F3 models, disconnect the heating element wires form the relay
and the temperature sensor wires from the controller .
6.3. Temperature
Calibration
After replacing a temperature controller, a platen temperature sensor or a
platen heating element the temperature controller should be calibrated to
achieve the best performance. Failure to calibrate the controller with the
vulcanizer will result in temperature over shoot and the temperature
control will be less precise.
Note:
The temperature controller is a recommended spare part. If you have
ordered a spare controller, it will be factory set to an average value that
will control your platen reasonably well. Accurate calibration should still
be done on the vulcanizer using a portable temperature test meter with at least
two leads. An approved type of temperature meter may be purchased from
Shaw-Almex.
The procedure is as follows.
1.
Install a section of belting large enough to cover the platen area.
2.
Install the temperature meter sensors above and below the belting approximately centered on the platen
faces. Cut a groove in the belting to prevent damage to both sensors and platens.
3.
Assemble the vulcanizer and pressurize to 5 psi (0.3 kg/cm
2
) maximum.
T1 R2 Figure 2
T1 F2, T1 F3 Figure 4
Relay
T1F2
T1F3
Controller
Relay
T1 F2, T1 F3 Figure 3
