Service manual CS3000
Chapter 3: Relay board ARK-2 3-18
The circuit boards of the central unit
Document no.:
S-4-007.875/E
Prepared:
1995-03-17 Fia
Revision:
R4 2004-03-15 BM
© 2002, Consilium Marine AB
Technical data
Board size:
Two joined single Europe board, 100 x 160 mm.
Front panel:
Anodised aluminium, width 6 TE (30.1 mm).
Ambient temperature:
-10
°
to +70
°
C.
Ambient humidity:
96% Rh.
Input power:
U
in
: 24 VDC (-20% - + 25%).
Current consumption:
I
in nom
: 30 mA
I
in max
: 80 mA.
Inputs
Four opto isolated with
Input
voltage:
U
in max
: 35 VDC
Input
current
I
in
: 8 mA at U
in
= 24 V
OneDG, 2880 ohm relay coil for 24 VDC, activated when low
Input
voltage:
U
in max
: 35 VDC
Activation of relay:
U
actmax
: 7.2 VDC
One external intermittence, 10 kohm pull-up to +24 V, activated when low
Input
voltage:
U
in max
: 35 VDC
One external fuse fault, 10 kohm pull-up to +24 V, activated when low
Input
voltage:
U
in max
: 35 VDC
Outputs
Two power outputs, 24 VDC, I
max
: 2 A
Three fault supervised, programmable alarm outputs, 35 VAC, I
max
: 2 A
Three change-over, programmable relay outputs, 35 VAC, I
max.
: 2 A
One change-over relay output for GA, I
max.
: 2 A
Two open-collector outputs, PTC-protected, one programmable and one
activated at not muted fault in the central unit, U
max.
: 24 V, I
sink max.
: 100 mA
