Val controls I 24-b series User manual

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

Revision: 6

1/12

HARDWARE MANUAL

Ixx24-B

 
 
 
DHW-UM-001 
Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600 
[email protected] •www.valcontrols.com 
Revision: 6 
 
2/12 
Table of contents 
1General.........................................................................................................................................3 
1 Safety instructions................................................................................................................................ 3 
2 Environment......................................................................................................................................... 3 
3 Mounting and dimension...................................................................................................................... 3 
2Communication...........................................................................................................................4 
1 Control loop –AI0 and Transmitter loop –AO0 (HART)................................................................... 4 
1.1 Terminals..................................................................................................................................... 4 
1.2 Electrical specifications............................................................................................................... 4 
2 Modbus................................................................................................................................................. 5 
2.1 Terminals..................................................................................................................................... 5 
2.2 Electrical specifications............................................................................................................... 5 
3Main board..................................................................................................................................6 
1 Power supply –PS2.............................................................................................................................. 6 
1.1 Terminals..................................................................................................................................... 6 
1.2 Electrical specifications............................................................................................................... 6 
2 Earth ..................................................................................................................................................... 6 
2.1 Terminal....................................................................................................................................... 6 
3 4-20mA input –AI1 ............................................................................................................................. 7 
3.1 Terminals..................................................................................................................................... 7 
3.2 Electrical specifications............................................................................................................... 7 
4 Position sensor –AI10.......................................................................................................................... 8 
4.1 Terminals..................................................................................................................................... 8 
4.2 Electrical specifications............................................................................................................... 8 
5 Digital output –DO1, DO2, DO3, DO4............................................................................................... 9 
5.1 Terminals..................................................................................................................................... 9 
5.2 Electrical specifications............................................................................................................... 9 
4Alternative digital inputs .........................................................................................................10 
1 Digital input –DI9, DI10, DI11......................................................................................................... 10 
1.1 Terminals................................................................................................................................... 10 
1.2 Electrical specifications............................................................................................................. 10 
2 Digital input –DI12............................................................................................................................ 11 
2.1 Terminals................................................................................................................................... 11 
2.2 Electrical specifications............................................................................................................. 11 
3 Digital input –DI13............................................................................................................................ 12 
3.1 Terminals................................................................................................................................... 12 
3.2 Electrical specifications............................................................................................................. 12 
 
 

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

3/12

1General

This manual covers the following products:

IHP24-B

1.1 Safety instructions

For a safe installation of a Val Controls device, the following must be observed. The module must

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 manual is subject to changes without notice.

1.2 Environment

Operating temperature: -30 to 80 ˚C

Storage temperature: -30 to 80 ˚C

Extended operating temperature1: -40 to 85˚C

Extended storage temperature1: -55 to 100˚C

1Please contact Val Controls

Relative Humidity: < 95% (No condensation)

The printed circuit boards are coated for tropical climate and harsh environments to resist airborne

contamination according to G3, ISA-71.04-2013.

Ingress protection: IP20

1.3 Mounting and dimension

Mounting: 35mm DIN rail according to EN50022.

Screw torque: 0.4Nm (3.6Lb. in)

Wire diameter: AWG14-22 (0.5mm² til 2.5mm²)

All external components must have specifications that fit the desired performance and requirements

of the valve/actuator system.

Dimensional drawing can be found on www.valcontrols.com

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

4/12

2Communication

Several communication types are available as options.

2.1 Control loop –AI0 and Transmitter loop –AO0 (HART)

Passive 4-20mA input and passive 4-20mA output. On some models HART is available on either

AI0 or AO0.

Active 4-20mA output

Controlloop –AI0

Active 4-20mA input

Transmitter loop – AO0

+ -

2.1.1 Terminals

AI0

1 (+)

2 (-)

AO0

3 (+)

4 (-)

2.1.2 Electrical specifications

Control loop –AI0

Impedance

< 470 Ohm at 20mA and 9.4VDC

Linearity

< 0.1%

Temperature coefficient

0.025% / 1°C (Warm-up: 10 min)

HART (optional)

FSK, 1200Hz / 2200Hz 400-800mVpp

Galvanic isolated

Transmitter loop –AO0

Impedance

< 470 Ohm at 20mA and 9.4VDC

Linearity

< 0.1%

Temperature coefficient

0.015% / 1°C (Warm-up: 10 min)

HART (optional)

FSK, 1200Hz / 2200Hz 400-800mVpp

Galvanic isolated

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

5/12

2.2 Modbus

Modbus 4

ABAB

2.2.1 Terminals

Modbus

1 (A)

2 (B)

3 (A)

4 (B)

Terminals 1 and 3 are connected inside the device. Terminals 2 and 4 are connected inside the

device.

2.2.2 Electrical specifications

Modbus

Interface

RS485

Termination resistor

No internal resistor.

External resistor can be applied across terminal 3 and 4.

Termination resistors must have the value of 120 Ohm.

Galvanic isolated

A maximum of 247 nodes can be connected on the same daisy chain bus.

Typical shielding of the RS485 bus cable is done on the master side of the cable.

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

6/12

3Main board

3.1 Power supply –PS2

24VDC power input to the device.

PS2

0V24V

Depending on device configuration, this power supply input may not be used.

3.1.1 Terminals

PS2

5 (+)

6 (-)

3.1.2 Electrical specifications

Power supply –PS2

Power supply

20.4 –27.6VDC

Power dissipation, no position sensor/loop or

valves are connected.

< 2W

Power dissipation, with maximum load on all

inputs and outputs

< 5W

3.2 Earth

Device instrument earth terminal shall be connected to instrument earth bar at marshalling cabinet

to avoid electromagnetic interference.

Instrument earth

3.2.1 Terminal

7 Instrument earth

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

7/12

3.3 4-20mA input –AI1

The analogue inputs can be used to connect passive 4-20mA sensors to the device or in the

alternative configuration active 4-20mA sensors.

Passive loop Active loop

+--

+ - + -

3.3.1 Terminals

Passive sensor

Active sensor

AI1

11 (+)

12 (-)

12 (+)

6 (-)

3.3.2 Electrical specifications

AI –Analogue input

External loop max Rload

820 Ohm at 20mA and 16.4VDC

Operating area

4 –20mA

Minimum span

12mA

Cable length

1000 meters

Linearity

< 0.1%

Temperature coefficient

0.01% / 1°C (Warm-up: 10 min)

Rin

< 100 Ohm

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

8/12

3.4 Position sensor –AI10

The position feedback can be delivered from a 3-wire potentiometer. The sensor input can as an

alternative also be used as a 4-20mA loop input.

AI10

Potentiometer

AI10

Passive loop

68Ω

1kΩ

¼W

AI10

Active loop

68Ω

1kΩ

¼W

The external resistors must be mounted to get the correct functionality.

3.4.1 Terminals

Sensor

Passive loop

Active loop

AI10

8 Pot high

9 Wiper

10 Pot low

5 (+)

9 (-)

9 (+)

6 (-)

3.4.2 Electrical specifications

AI10 –Position sensor

Potentiometer size

5 kΩ to 20 kΩ

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

9/12

Minimum use operating area

40%

Cable length

1.5 meters

Linearity

< 0.1%

Temperature coefficient

0.01% / 1°C (Warm-up: 10 min)

AI10 –Loop

External loop max Rload

820 Ohm at 20mA and 16.4VDC

Operating area

4 –20mA

Minimum span

12mA

Cable length

1000 meters

Linearity

< 0.1%

Temperature coefficient

0.01% / 1°C (Warm-up: 10 min)

Rin

< 100 Ohm

3.5 Digital output –DO1, DO2, DO3, DO4

24 VDC digital outputs.

+ -

3.5.1 Terminals

DO1

13 (+)

14 (-)

DO2

16 (+)

17 (-)

DO3

19 (+)

20 (-)

DO4

22 (+)

23 (-)

All DOs (-) are common with PS2 (-)

3.5.2 Electrical specifications

DO –Digital outputs

Max load per digital output

up to 48W at 24VDC

Max load total

up to 192W at 24VDC

DHW-UM-001

Val Controls A/S •Sallingsundvej 5 •DK-6715 Esbjerg N •Tel. +45 7547 0600

[email protected] •www.valcontrols.com

Revision: 6

10/12

4Alternative digital inputs

DI9 to DI17 are analogue inputs but configured in a way that makes it possible to use them as

digital inputs.

4.1 Digital input –DI9, DI10, DI11

DI9, DI10 and DI11 substitutes AI10

Switch

DI9

+ -

Switch

DI10

+ -

27kΩ½W

1kΩ½W

Switch

DI11

+ -

27kΩ½W

The external resistor must be mounted to get the correct functionality.

4.1.1 Terminals

DI9

8 (+)

6 (-)

DI10

5 (+)

9 (-)

DI11

5 (+)

10 (-)

4.1.2 Electrical specifications

DI12

Type

Switch

Cable length

1.5 meters

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