SMART DC CONTROLLER
Table 11. Smart DC Controller Board Inputs
19
Outside
Obstruction
Vehicle
Detector
N.O. input. Outside reversing loop.
Vehicle detector, box type
connections outside reversing
loop
20
Center
Loop
(Shadow)
Vehicle
Detector
N.O. input. Shadow function used for swing
gates or Reset Loop for barrier arms only.
However, User Relay 20 can be used in
combination with a detector to perform
an "arming loop" or "annunciation loop"
function because there is no associated gate
control logic in a slide gate.
Vehicle detector, box type
connections. Shadow function
for swing gates, reset function
for barrier arm gates.
21
Sensor 1
N.C. input. Connection of a Monitored
Entrapment sensor. Type of sensor is
programmable in the Installer Menu (S1)
External entrapment sensor
connections.
22
Sensor
Common
When External Entrapment Sensor common
wires are connected to this terminal, the
sensors are energized when AC Power is
present. The devices are then checked for
presence and correct operation when the
open limit is reached.
This terminal is used to perform
monitored entrapment check.
23
+24V DC
Convenient 24VDC power for accessories or
the Emergency Open input.
Convenient 24VDC power for
photo eyes or Emergency Open
input.
24
Emergency
Open
(Fire Dept.
Open) ***
N.O. input.
Emergency Open must be
enabled via Installer Menu. It
is energized by connecting to
+24V terminal above it. EMERG
OPEN overrides photo eye &
edge sensor commands.
*Do not connect an external control to the STOP or OPEN inputs unless the controls are located in
clear view of the entire gate area.
**Use the RADIO OPEN input or RADIO OPTIONS spade connections for all out-of-sight controls,
such as a telephone entry or radio operated controls.
***The Fire Department Open control must be keyed or guarded so that it can only be used by
authorized personnel.
MX4505 Rev. E ©2020
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SlideSmart DC Programming and Operations
