Val Controls IDC24-F - Diagnostic Tests; Partial Stroke Test (PST)

DHW-UM-005
Val Controls A/S • Sallingsundvej 5 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 6
12/15
3.6 SIL – PS1, DO11
The units are approved for installation in SIL 1-4 circuits, if installed as described in this manual.
3 - SIL expansion card
4 - SIL expansion card
11
DO11
PS1
IDC24
21
DO11
PS1
IDC24
PS2
3.6.1 Terminals
Power supply
Digital output
5. PS2 (+)
6. PS2 (-)
21. PS1 (+)
22. PS1 (-)
23. DO11 (+)
24. DO11 (-)
Note: The PS1 and PS2 must be galvanic isolated.
3.6.2 Electrical specifications
Power supply
20.4 – 27.6VDC
Power dissipation, no position sensor/loop or
output lamps are connected.
< 2W
Power dissipation, with maximum load on all
inputs and outputs
< 5W, the load not included
Max load per DO11
up to 48W @24VDC
If PS2 is not used, total load that can be drawn
from all DO/DI/AI ports (except DO11)
2W