Input and Output Connections
26
AC-425x-B Hardware Installation and User Manual
Door 8 – IN8
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 Input functions when using MD-D04B:
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-IO84B 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 input functions when using MD-IO84B or MD-D04B:
Unit
Expansions
MD-IO84B
IN5 to IN12
MD-D04B
IN5 to IN8 except the dedicated inputs