DHW-UM-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 3
1/20
HARDWARE MANUAL
Ixx24-A
DHW-UM-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 3
2/20
Table of contents
1 General ......................................................................................................................................... 3
1.1 Safety instructions ................................................................................................................................ 3
1.2 Environment ......................................................................................................................................... 3
1.3 Mounting and dimension ...................................................................................................................... 3
2 Communication ........................................................................................................................... 4
2.1 Control loop – AI0 and Transmitter loop – AO0 (HART) ................................................................... 4
2.2 Modbus ................................................................................................................................................. 5
2.3 Foundation Fieldbus ............................................................................................................................. 6
3 Main board .................................................................................................................................. 7
3.1 Power supply – PS2 .............................................................................................................................. 7
3.2 Earth ..................................................................................................................................................... 7
3.3 4-20mA input – AI1, AI2, AI3, AI4, AI5 ............................................................................................. 8
3.4 Position sensor – AI10.......................................................................................................................... 9
3.5 Digital output – DO1, DO2, DO3, DO4, DO5, DO6 ......................................................................... 10
3.6 Digital input – DI1, DI2, DI3, DI4 ..................................................................................................... 11
4 Alternative digital inputs ......................................................................................................... 12
4.1 Digital input – DI9, DI10, DI11 ......................................................................................................... 12
4.2 Digital input – DI12............................................................................................................................ 13
4.3 Digital input – DI13, DI14, DI15, DI16, DI17 ................................................................................... 14
5 Expansion .................................................................................................................................. 15
5.1 Active analogue output – AO1, AO2 and Digital inputs – DI5, DI6 ................................................. 15
5.2 Digital input – DI5, DI6, DI7, DI8 ..................................................................................................... 16
5.3 Passive analogue output – AO1, AO2 and Digital inputs – DI5, DI6 ................................................ 17
5.4 SIL – PS1, PS3, DO11, DO12 ............................................................................................................ 18
5.5 Internal watch and SD card ................................................................................................................ 20
DHW-UM-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 3
3/20
1 General
This manual covers the following products:
IHP24-A
IDP24-A with software DID-SW-001
IVC24-A
IDC24-A
ILB24-A
ILC24-A
IPC24-A
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
1
Please 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: 28-12 AWG 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-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 3
4/20
2 Communication
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
AO0 or AO0.
Active 4-20mA output
2
Control loop – AI0
1
+
-
+
-
Active 4-20mA input
4
Transmitter loop – AO0
3
A
+
-
+ -
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-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 3
5/20
2.2 Modbus
Modbus
4
3
2
1
A
B
A
B
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-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 3
6/20
2.3 Foundation Fieldbus
Foundation Fieldbus
4
3
2
1
FB-P FB-N FB-P FB-N
2.3.1 Terminals
Foundation
Fieldbus
1 (FB-P)
2 (FB-N)
3 (FB-P)
4 (FB-N)
2.3.2 Electrical specifications
FF-Fieldbus
Interface
FF-Fieldbus - H1 Device Class – Basic Device
Termination
No internal termination
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