Val Controls IHP24-A - Sil - Ps1, Ps3, Do11, Do12

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
18/20
5.4 SIL – PS1, PS3, DO11, DO12
A device with an internal SIL Expansion Card can be installed in a SIL 1-4 installation without
affecting the SIL level. Device can be equipped with 4 different types of SIL Expansion Cards.
The units are approved for installation in SIL 1-4 circuits, if installed as described in this manual.
1X - SIL expansion card
2X - SIL expansion card
1X
DO11
DO12
PS1
Ixx24
2X
DO11
DO12
PS1
Ixx24PS2
3X - SIL expansion card
4X - SIL expansion card
3X
DO11
DO12
PS1
Ixx24
PS3
4X
DO11
DO12
PS1
Ixx24PS2
PS3
X
Relay 1
Relay 2
1
Normally close
Normally open
2
Normally close
Normally close
3
Normally open
Normally open
4
Normally open
Normally close
5.4.1 Terminals
Power supply
Digital output
5. PS2 (+)
6. PS2 (-)
21. PS1 (+)
22. PS1 (-)
51. PS3 (+)
52. PS3 (-)
23. DO11 (+)
24. DO11 (-)
25. DO12 (+)
26. DO12 (-)
Note: The PS1, PS2 and PS3 must be galvanic isolated.