Val Controls IHP24-A Manuale utente

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

1/38

USER MANUAL

Intelligent Hydraulic Positioner

IHP24-A

IHP24-AF

IHP24-B

IHP24-BF

IHP24-F

IHP24-I

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

2/38

Table of contents

1General.........................................................................................................................................3

1.1 Safety instructions................................................................................................................................ 3

2Application ..................................................................................................................................4

3Installation guide ........................................................................................................................6

4User interface ..............................................................................................................................7

4.1 Display, indicator and keyboard........................................................................................................... 7

4.2 Display, keyboard, indicator, USB, and status indicators .................................................................... 8

4.3 Display, keyboard, indicator, USB, MT control and status indicators................................................. 8

4.4 Indicator, calibration button and USB.................................................................................................. 9

4.5 Components.......................................................................................................................................... 9

4.5.1 USB connector............................................................................................................................. 9

4.5.2 Display......................................................................................................................................... 9

4.5.3 Keyboard.................................................................................................................................... 10

4.5.4 MT control................................................................................................................................. 10

4.5.5 Status indicators......................................................................................................................... 10

4.5.6 Indicator..................................................................................................................................... 10

4.5.7 Calibration button...................................................................................................................... 10

4.5.8 TTL connector........................................................................................................................... 10

5Menus.........................................................................................................................................11

5.1 Calibrate ............................................................................................................................................. 11

5.1.1 Automatic .................................................................................................................................. 11

5.1.2 Manual....................................................................................................................................... 11

5.2 Error.................................................................................................................................................... 11

5.3 Status.................................................................................................................................................. 12

5.4 Menu................................................................................................................................................... 14

5.4.1 Basic menu................................................................................................................................. 15

5.4.2 Advanced menu ......................................................................................................................... 20

5.4.3 Pump Control menu................................................................................................................... 23

6Regulators..................................................................................................................................26

6.1 Electronic stepping............................................................................................................................. 26

6.2 Mechanical stepping........................................................................................................................... 26

6.3 Proportional........................................................................................................................................ 26

7Error no.....................................................................................................................................29

7.1 Mounting and settings ........................................................................................................................ 29

7.2 Calibration.......................................................................................................................................... 32

7.3 External connections .......................................................................................................................... 33

7.4 Pump unit ........................................................................................................................................... 34

7.5 Communication .................................................................................................................................. 36

7.6 Internal errors ..................................................................................................................................... 36

8Software revision list ................................................................................................................37

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

3/38

1General

This manual cover software version:

Software ID: DHP-SW-0015 version: 3.17

Software ID: DHP-SW-0016 version: 3.17

1.1 Safety instructions

For a safe installation of a positioner, the following must be observed. The module shall only be

installed by qualified personnel who are familiar with the national and international laws, directives

and standards that apply to this product as well as all instructions in this manual.

The information in this user manual is subject to changes without notice.

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

4/38

2Application

Val Controls intelligent hydraulic positioner controls almost all hydraulic, linear, rotary, single-

return (SR) and double-acting (DA) actuators on the market.

Its compact design, with few moving parts, makes it very reliable. The flexible software calibrates

automatically, it contains intern safety surveillance together with several standard flow curves. A

special flow curve is defined very simple, and the positioner’s set point and deadband can be

adjusted from the user menu.

The positioner works by comparing the control loop signal with the position feedback, it then uses

control valve signals to operate the actuator/valve to the desired position. The control loop and the

transmitter loop signal is a 4-20mA signal with HART communication. The control valve signals

are powered through the 24VDC power supply and can supply valves up to 192W, 48W each. The

position feedback from the actuator/valve can be either a potentiometer or a 4-20mA loop powered

transmitter.

The power unit controller measures the pressure in the hydraulic system and controls a hydraulic

pump unit in order to keep the pressure within a specified range. When the pressure falls below a

user defined value, the positioner will turn on the pump and keep it running until the pressure has

reached the maximum defined value. Two pressure switches can be used instead of a pressure

transmitter.

It is possible to connect temperature and level transmitter/switches to monitor the hydraulic system

and shutdown the pump if a user defined value is reached.

Power Supply

Control loop

Transmitter loop

Hydraulic

system

Position signal

Control valve signals

Pump

Actuator

Valve

Pump signal

Pressure signal

Level signal

Temperature signal

Figure 1: IHP24-A

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

5/38

Power supply

Communication

Hydraulic system

Pump

Pressure

ReturnSupply

1 3 4 5 6 7 8 9 1011 122

13 1516 17 1819 2021 22 23 2414

55%

Valve Position

Calibrate MenuError Status

Val Controls IHP24

Position

Control valve signals

Figure 2: IHP24-B

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

6/38

3Installation guide

1. Connect all wires and make sure that all is connected correctly according to the hardware

manual/installation drawings.

2. Configure the unit using ValConnect or the display and keyboard

a. Configure the valve function, see 5.4.2 Advanced menu.

b. Configure position feedback, see 5.4.2 Advanced menu.

3. Auto calibrate the unit by pushing CAL button or using ValConnect, see 5.1.1 Automatic.

4. After a successful calibration the green indicator will light, see 4.4.6 Indicator.

5. If the red is light, there was an error during calibration. Press error on the keyboard and see

the error no. on the display or connect ValConnect and see what the error message is and go

to the manual to get an explanation on the error no. and how to solve it, see 7 Error no.

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

7/38

4User interface

The IHP comes with 4 different user interfaces which are described here.

4.1 Display, indicator and keyboard

To control and monitor the device, it is fitted with a graphical display, four buttons and two

indicators. When the lid is removed a TTL connector is available, for configuration via ValConnect.

A special connector cable is required.

Figure 3: Type B interface

Figure 4: Type B TTL connection. Black marker on cable must face marking 1 and 2

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

8/38

4.2 Display, keyboard, indicator, USB, and status indicators

This front is only available for type A.

Figure 5: Type A interface

4.3 Display, keyboard, indicator, USB, MT control and status indicators

This front is only available for type BF and AF.

Figure 6: Type BF and AF interface

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

9/38

4.4 Indicator, calibration button and USB

All configuration and control must be done through ValConnect.

Figure 7: Type A and B interface

Figure 8: Type F interface

4.5 Components

1) USB connector

2) Display

3) Keyboard

4) MT control sensors

5) Status indicators

6) Indicator

7) Calibration button

8) TTL connector

4.5.1 USB connector

The USB connection can be used to connect the IHP to a PC with ValConnect installed.

ValConnect can be used to configure and control the IHP from the PC.

4.5.2 Display

The display is a four lined graphical display with backlight feature and adjustable contrast.

DHP-UM-020

Val Controls A/S •Limfjordsvej 3 •DK-6715 Esbjerg N •Tel. +45 7547 0600 •Fax +45 7547 0611

[email protected] •www.valcontrols.com

Revision: 12

10/38

4.5.3 Keyboard

The keyboard is fitted with four buttons, which have the following functions.

Button

Menu navigation

Confirmation

←

Calibrate

Back

↑

Error

↓

Status

Down

→

Forward

4.5.4 MT control

The MT control can be used to operate the IHP through the window lid on the Ex D enclosure.

Position the MT pen above the sensors to emulate a button push. MT control is locked as default

and can be unlocked by touching → and then ←. The auto lock time can be set in the menu.

4.5.5 Status indicators

The functions of the seven indicators are as follows:

•ESD: The ESD input on the IHP is open

•Moving: The valve is opening or closing

•Closed: The valve is closed

•Open: The valve is open

•MT locked: MT control is unlocked

•Local: The IHP is in local mode and can be controlled by external open/close buttons

•Pump: The pump output is active

4.5.6 Indicator

The indicator lights will work as follows:

•Red indicator continuous: Glows when an error has occurred in the positioner

•Red indicator flashing: Calibration in progress

•Green indicator: Glows when there are no errors in the positioner

•Green indicator continuous: Initializing

4.5.7 Calibration button

Push the button for 3 seconds to start an auto calibration. Push it again to abort the auto calibration.

4.5.8 TTL connector

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