To Next PageTo Next PageWhat should I do if the CLOSE VALVE function does not work on my VAT 612?
If the CLOSE VALVE function isn't working, check if safety mode is active, indicated by a 'D' on the display. If so, provide power to the motor. Also, check if maintenance mode is active. Refer to «Electrical connection» for details. You can also refer to the section “Display shows «M C»”.
What to do if my VAT 612's Network Status LED is flashing red (time out)?
If the Network Status LED is flashing red, it indicates a time-out. Reestablish I/O connections to resolve this issue.
What to do if CLOSE VALVE does not work on VAT 612?
If the VAT Control Unit CLOSE VALVE does not work, ensure that power is supplied to the motor. Refer to «Electrical connection» for details. Also, check “Display shows «M C»” in this table.
Why PRESSURE CONTROL does not work on VAT Control Unit?
To resolve the issue of PRESSURE CONTROL not working on your VAT Control Unit, ensure that power is supplied to the motor. Select PRESSURE CONTROL mode and perform LEARN. The problem may be due to safety mode being active, PRESSURE CONTROL not being selected, or LEARN not being completed.
How to fix «E 20» error on VAT 612 Control Unit?
To address the 'E 20' error on your VAT Control Unit, where the limit stop of the valve unit is not detected, tighten the clamp coupling screw. Then, reset or restart the valve. The error is caused by a clamp coupling screw that is not fastened.
What to do if VAT Control Unit display shows «SR»?
If your VAT Control Unit displays 'SR' (Service Request), it indicates that the valve unit may be heavily contaminated or the gate seal is sticking. Clean the valve unit according to maintenance procedures. Then, reset the control unit either by cycling the power off and on, or by sending a reset command locally via the service port with CV/CPA/Service Box2.
What to do if VAT 612 display shows «D 0»?
If the VAT Control Unit displays «D 0», which indicates the Motor Interlock is open, ensure that power is supplied to the motor.
What to do if the VAT 612 Control Unit CLOSE VALVE does not work?
If the VAT Control Unit CLOSE VALVE function does not work, it could be because the safety mode is active (check for D on the display) or maintenance mode is active. Provide power to the motor to allow for operation; refer to «Electrical connection» for details. Also, refer to “Display shows «M C»”.
What to do if the VAT 612 display shows 'D 0' Motor Interlock is open?
If the display shows 'D 0', it means the motor interlock is open. Ensure that power is supplied to the motor. For details, refer to «Electrical connection».
Why is the VAT Control Unit PRESSURE CONTROL not optimal?
PRESSURE CONTROL might not be optimal due to several reasons. Perform the setup procedure completely. Ensure that you have performed LEARN and ZERO before LEARN. If LEARN was interrupted, repeat it with stable gas flow. Tune the valve for your application. Use a sensor with a suitable range, ensuring the controlled pressure is between 3% and 98% of the sensor's full scale. Also, make sure a shielded sensor cable is used to minimize noise.
General| Input Voltage | 24 VDC |
|---|---|
| Output Voltage | 24 VDC |
| Current Rating | 10 A |
| Operating Temperature | -20°C to +60°C |
| Protection Class | IP20 |
| Series | VAT 612 |
Emphasizes safety reading and defines danger levels (DANGER, WARNING, CAUTION, NOTICE).
Details the pressure control system, including components and operational modes.
Outlines the step-by-step procedure for installing the valve, including connections and grounding.
Presents critical notices regarding wrong connections and burned connector pins.
Details wiring for +24 VDC sensors via the controller, including connector information.
Details wiring for ±15 VDC sensors without an optional SPS module.
Details wiring for ±15 VDC sensors with an optional SPS module.
Explains the EtherCAT interface connection, including network and cable specifications.
Outlines the setup steps required for the valve to perform pressure control.
Explains the ZERO function for compensating sensor offset voltage to zero pressure.
Describes the LEARN routine for adapting the PID controller to vacuum system characteristics.
Guides the selection of pressure control configurations based on gas flow availability.
Explains how to set up the pressure controller using CPA software or EtherCAT.
Details tuning procedures for adaptive pressure controllers, including gain factor and sensor delay.
Explains how to adjust the gain factor to affect stability and response time.
Describes adjusting sensor delay to improve stability, noting it can slow control response.
Explains how to adjust setpoint ramp time to improve pressure response, especially during decreases.
Details adjusting valve speed for optimal pressure and position control response.
Guides tuning pressure control performance for fixed PI controllers.
Explains how to optimize P gain and I gain for PI controller mode based on system characteristics.
Details tuning pressure control performance for soft pump controllers.
Explains how to adjust the P gain for pressure ramps during pump down.
Guides on preparing for pressure control, tuning performance, and using the PID controller.
