Process Control Valve

<< Click to Display Table of Contents >>

Navigation:  Valve Firmware > Interface > DeviceNet > Profile > Acyclic Communication >

Process Control Valve

Previous pageReturn to chapter overviewNext page

This additional acyclic objects are available for GD and PCD profile since firmware end of January 2021

 

131 VAT Pressure Controller

Supported Instances: 1 (1)

                                                         RW Read Write, RO Read Only, NV Non Volatile

Attr

Name

Data Type

Acc

NV

Unit

Min

Max

Def

Description

3

Pressure Controller Selector

USINT

RW

NV**

 

1

4

1

Active Controller in Control Mode = Pressure
1:Controller 1
2:Controller 2
3:Controller 3
4:Controller 4

4

Pressure Control Speed

REAL

RW

NV**

 

0.001

1.0

1.0

Speed valid in Control Mode = Pressure, 1.0 equals to full speed

5

Target Pressure Used

REAL

RO

V

mbar*

0.0

SFS

 

This value is set as pressure controller input.

It differs to the Target Pressure if a pressure ramp is used.

16

Store Control Parameter Volatile

BOOL

RW

NV

 

0

1

0

0:Store in NV Memory
1:Do Not Store in NV Memory

17

Pressure Control Position Restriction Enable

BOOL

RW

NV

 

0

1

0

Limit the valve movement in Control Mode Pressure

18

Minimum Control Position

REAL

RW

NV

pos*

0.0*

100.0*

0.0*

 

19

Maximum Control Position

REAL

RW

NV

pos*

0.0*

100.0*

100.0*

 

 

 

 

132 VAT Pressure Control Units

Supported Instances: 4 (1..4)

 

Attr

Name

Data Type

Acc

NV

Unit

Min

Max

Def

Description

1

Control Algorithm

USINT

RW

NV**

 

0

2

xx

0:Adaptive
1:PI
2:Soft Pump

xx Controller 1 = 0, Controller 2 and 3 = 2, Controller 4 = 3

2

Control Direction

USINT

RW

NV**

 

0

1

 xx

Used for Control Algorithm PI and Soft Pump
0:Downstream
1:Upstream

xx Controller 1,2 and 4 = 0, Controller 3 = 1

16

Learn Data Selection

USINT

RW

NV**

 

0

3

0

Used for Control Algorithm Adaptive
0:Bank 1
1:Bank 2
2:Bank 3
3:Bank 4

17

Gain Factor

REAL

RW

NV**

 

0.0001

100.0

1.0

Used for Control Algorithm Adaptive

18

Sensor Delay

REAL

RW

NV**

sec

0.0

1.0

0.0

Used for Control Algorithm Adaptive

32

P-Gain

REAL

RW

NV**

 

0.001

100.0

0.1

Used for Control Algorithm PI and Soft Pump

33

I-Gain

REAL

RW

NV**

 

0.

100.0

0.1

Used for Control Algorithm PI and Soft Pump

48

Ramp Enable

BOOL

RW

NV**

 

0

1

1

Activate/Deactivate pressure target ramp. The effective target pressure can be read in Target Pressure Used

49

Ramp Time

REAL

RW

NV**

sec

0.0

1000000.0

1.0

Target reach time

50

Ramp Slope

REAL

RW

NV**

mbar*/sec

0.0

SFS

1.333224

Limit the rate of pressure change

51

Ramp Mode

USINT

RW

NV**

 

0

1

0

0:Use Ramp Time
1:Use Ramp Slope

52

Ramp Start Value

USINT

RW

NV**

 

0

1

1

0:Previous Ramp Value
1:Actual Pressure Value

53

Ramp Type

USINT

RW

NV**

 

0

2

0

0:Linear
1:Logarithmic

2:Exponential

* Scaling: Class 49 S-Analog Sensor Object, Attribute 4 Data Unit, Pressure: Instance 1, Position: Instance 3

** In case of Store Control Parameter Volatile is 1 (true) the value will not be stored in nonvolatile memory.

*** Valve series specific