Input and Output Connections
AC-425 Hardware Installation and User Manual
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4.2.2
Door Monitor Input
The Door Monitor Input typically connects to a Normally Closed door sensing
micro-switch for door status monitoring. Using Door Monitor enables many
advanced options such as door forced alarm, door held open warnings,
interlocking doors and more. Door monitor feature is only available when the
system is defined as a two reader per door. The following should be defined:
Scenario
Setting
Two readers per door
Door 1 – IN3
Door 1 – IN4
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
