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AC-425 Hardware Installation and User Guide
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Dedicated Inputs functions when using MD-D04:
Scenario
Setting
Two readers per door
Door 1 – IN3
Door 2 – IN4
Door 3 – IN7
Door 4 – IN8
4.2.3
General Purpose Inputs
These are free inputs that can be used for various functions. This function is only available
with the MD-IO84 expansion. The following should be defined:
Scenario
Setting
Single door controller
Door 1 – IN 2
Door 1 – IN 2A
Double door controller
(no general purpose inputs available)
General purpose inputs are suitable for most uses. For example, they might be used to
detect tampering, to activate alarm sensors, or to monitor a power supply failure.
General purpose inputs functions when using MD-IO84 or MD-D04:
Unit
Expansions
MD-IO84
IN5 to IN12
MD-D04
IN5 to IN8 except the dedicated inputs
4.3
Outputs
Rosslare Security recommends the use of suppression diodes for all outputs that activate an
inductive load.
4.3.1
Door Lock
There are two types of door locking devices:
Fail open (fail secure)
Fail close (fail safe)
The following should be defined:
Scenario
Setting
Two readers per door
Door 1 – OUT 1
Door 2 – OUT 2
One reader per door
Door 1 – OUT 1
Door 2 – OUT 2
Door 3 – OUT 3
Door 4 – OUT 4
