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Installing the KT-400 Ethernet Four-Door Controller
Preparing to Install the KT-400 Ethernet Four-Door Controller
Required to install KT-400 Ethernet Four-Door Controller
•
For North America: AC transformer 120 VAC, 60 Hz IN; 16 or 24 VAC, 75 VA OUT; class 2 (not included), 75
VA transformer
•
For EMEA (Europe, Middle East and Asia): AC transformer 230 VAC, 50 Hz IN, 100 VA OUT (included in
KT-400-EU
)
•
One battery 12 VDC, 7 Ah (not included)
A visual inspection should be made when unpacking the KT-400 Ethernet Four-Door Controller. Any missing item/part or
damaged component should be reported immediately.
Physical Installation
Check for ideal indoor location
Stay away from electrical or communication devices
The KT-400 cabinet has been designed to be mounted on a wall without any additional enclosures. The cabinet is large
enough to accommodate the battery backup supply and the necessary wiring connections for most applications. EMT
(Electrical Metallic Tubing) conduit knockouts are provided in 1.9 cm (0.75 in) on all sides of the cabinet.
The cabinet should be mounted indoors, in a secure location providing normal temperature and humidity, leaving 23 cm
(8 in) clear space around all sides and a minimum of 33 cm (13 in) clear space in front of the cabinet. The location should
be easily accessible for servicing the equipment and it is recommended that controllers be located close to the controlled
doors.
Controllers must be located at a minimum distance of 2 m (6 ft) from any high voltage equipment or wiring and from
electrical equipment susceptible of generating electrical interference, at a minimum distance of 1 m (3 ft) from telephone
equipment or lines, and at a minimum of 8 m (25 ft) from any transmitting equipment. Physical access, using keys, on
controlled doors must be provided so that the KT-400 Ethernet Four-Door Controller can easily be accessed for servicing
in case of malfunction.
Earth Grounding
AWG #18 grounding wire to EGND
The KT-400 Ethernet Four-Door Controller uses high performance communication, proper grounding must be provided
to ensure proper operation.
Make an earth ground connection to the cabinet of the KT-400 Ethernet Four-Door Controller as per the
requirements of your local electrical code. Wire the E-GND terminal on the KT-400 Ethernet Four-Door Controller
printed circuit board directly to that connection point.
Door Locking Devices
Connect the door lock device to + and LK1-, (+ and LK2-),
(+ and LK3-) or (+ and LK4-)
Note:
If you need external power for
ALL
the external locks, you can use an
external power supply. Connect the power supply to the
VIN
and
GND
terminals and put jumper JP4 on
EXT
.
When jumper JP4 is on INT, the total maximum current draw is 2, 3 or
4 Amp, depending on the transformer main power 75 VA, 100 VA, or
When jumper JP4 is on EXT, the total maximum current draw is 12 to
28 VDC, 4.0 Amps for all configurations with external power supply.
Check for local “magnetic lock” regulations
LK1-, LK2-, LK3- and LK4- and + terminals are located near the battery
(BATT) terminals. The locking device outputs are controlled according to the
end-user programmed parameters for allowing access to or unlocking doors
according to schedules and access levels. These doors locking device
outputs can operate DC powered locking devices such as electromechanical
strikes and can be configured to operate fail-safe or fail-secure (normal or reverse action).
Note:
If required, the KT-400 can provide galvanically isolated output(s) by programming any of the relays.
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