Control Mode

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Control Mode

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The Control Mode represents the state machine of the valve. Writing to Control Mode requests a change in the state while reading Control Mode returns the actual state of the state machine.

 

 

 

ControlModeTable

0

Init

State after power up.

Remains if Homing is not started (see Homing.Start Condition) or no Exception occurs

1

Homing

The valve performs the homing procedure to initialize the position.

Start condition: depends on set Homing.Start Condition

Behavior at end: depends on set Homing.End Control Mode

Refer to chapter Homing

2

Position

The valve moves to the desired Target Position.

3

Close

The valve closes.

4

Open

The valve opens.

5

Pressure Control

The valve controls to the desired Target Pressure.

Refer to chapter Pressure Control

6

Hold

The valve remains in the actual position.

Usage during Pressure Control:

Reduce valve reaction during plasma ignition.

Stopping the valve movement to evaluate the stability of the sensor, flow meter, …

Change from Control Mode 3 Close to 6 Hold is not possible

7

Learn

The valve performs the system learn.

Necessary for Adaptive Pressure Control

Refer to chaper Learn

8

Interlock Open

The valve opens and locks due to the actuation of a digital input.

Release behaviour: Control Mode changes to 4 Open or to 1 Init if no Homing was performed yet.

Refer to Power connector IO

9

Interlock Close

The valve closes and locks due to the actuation of a digital input.

Release behaviour: Control Mode changes to 3 Close or to 1 Init if no Homing was performed yet.

Refer to Power connector IO

12

Power Failure

Power loss occurred.

The valve opens or closes (Only with optional Power Failure Option)

Closing or opening behavior depends on set Power Failure.Functionality

Refer to Power Failure Option

13

Safety

The motor of the valve is powerless due to a digital input.

Release behavior: Control Mode changes to 1 Init

14

Error

The valve is in an error state, no movement possible.

Recovery via Services.Restart Controller. Set Services.Error Recovery TRUE for recovery without restart (no communication lost).

Refer to chapter Trouble Shooting

 

View:

CPA


First digit on display

StatusInformation


ControlModeDisplay


Init

Homing

Close

Open

Pressure Control

Position

Interlock Open or Close

Hold

Learn

Safety Mode

Power Failure

Error

I

H

C

O

P

A

I

H

L

S

F

E