DHW -UM-002
Val Controls A/S
•
Limfjordsvej 3
•
DK-6715 Esbjerg N
•
Tel. +45 7547 0600
•
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
