Val Controls I 24-AF Series - Table of Contents

DHW-UM-004
Val Controls A/S • Sallingsundvej 5 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 4
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