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47
GardTec
872
Wiring Connections
Output Expander Modules (OPX)
Up to four output expander modules may be fitted to the GardTec
872
control panel.
These modules may, if required be wired in a chain of zone expanders or on a
separate leg(s).
The zone expanders only require four cores for interconnection,
if Output Expanders are used on the same leg five cores will be required (see
page 38).
Each Output Expander gives four change over relays. Contact rating 1A 12V
(resistive).
Each Output Expander (OPX) has a bank of four jumper switches labelled OPX1 to
OPX4. The output allocation is as follows:-
Jumper Position
Output No (LCD)
Output No (LED)
OPX1
OP1
1
OPX1
OP2
2
OPX1
OP3
3
OPX1
OP4
4
OPX2
OP1
5
OPX2
OP2
6
OPX2
OP3
7
OPX2
OP4
8
OPX3
OP1
9
OPX3
OP2
10
OPX3
OP3
11
OPX3
OP4
12
OPX4
OP1
13
OPX4
OP2
14
OPX4
OP3
15
OPX4
OP4
16
Notes: If required, two expander cards may be configured on the same ident to
enable duplication of outputs.
When using any devices that consume current, consideration MUST be
given to the overall current available from the control panel.
The invert link on the card will invert all the outputs of the card.
872.qxd 05/11/2003 15:01 Page 47
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