D-303365 MCT-302 SMA Installation Instructions
1
MCT-302
SMA
Magnetic Contact Wireless Sensor
Installation Instructions
1. INTRODUCTION
The MCT-302 SMA is a fully supervised, wireless magnetic contact sensor. The sensor
includes a built-in reed switch (that opens upon removal of a magnet placed near it) and
an auxiliary hard-wired input, programmable as either N.C. or E.O.L., for use with
additional sensors - pushbuttons, detectors, door contacts etc.
An on-board DIP switch allows the installer to disable the magnet- operated reed
switch if only the auxiliary input is needed.
The reed switch and the auxiliary input behave as separate transmitters, although they
trigger the same RF transmitter. Each input has a unique ID.
The MCT-302 SMA tamper switch is activated when the cover is removed.
A periodic supervision message is transmitted automatically. The target receiver is thus
informed, at regular intervals, of the unit’s active participation in the system.
An LED lights whenever alarm or tamper events are reported. The LED does not light
while a supervision message is being transmitted.
Operating power is obtained from an on-board 3V Lithium battery. When the battery
voltage is
low, a “low battery” message is sent to the receiver.
MAGNET
TRANSMISSION LED
Fig. 1 - MCT-302 SMA
2. SPECIFICATIONS
Frequency:
2.4 Ghz
as per IEEE 802.15.4
Alarm Inputs:
2, one internal and one external, with a separate sensor ID each.
Auxiliary Input Circuit Type:
N.C. / E.O.L., selected with DIP switch
E.O.L. Resistor Required:
47 k
Message Repetition:
Repetitive transmission (once every 3 minutes) or one-shot, as
selected with on-board DIP switch.
Supervision:
Signaling at 24-min. intervals.
Response to Tamper Event:
Tamper report every 3 minutes (until the tamper switch
is restored).
Power Source:
3 V Lithium CR-2 type battery, Panasonic, Sanyo or GP only.
Battery Life Expectancy:
3 years (for typical use)
Note
: Inability to connect with wireless network, or wireless link quality no higher than
20% may significantly reduce the expected battery life.
Battery Supervision:
Automatic transmission of battery condition data as part of any
status report.
Operating Temperature:
0
C to 49
C (32
F to 120
F).
Dimensions:
81 x 32 x 25 mm (3-3/16 x 1-1/4 x 1 in.)
Weight:
53g (1.9 oz)
Standards:
USA: CFR 47 part 15, Canada: RSS 210.
ANSI/UL 639, ULC – S306
.
3. INSTALLATION
3.1 Mounting
(Fig. 2)
It is highly recommended to attach the sensor to the top of the door/window on the fixed
frame and the magnet to the movable part (door or window). Make sure that the magnet is
located not more than 6 mm (0.25 in.) from the sensor’s marked side.
Note:
Once the cover is removed, a tamper message is transmitted to the receiver.
Subsequent removal of the battery prevents transmission of "TAMPER RESTORE",
leaving the receiver in permanent alert. To avoid this, during the enrolling process,
press the tamper switch while you remove the battery.
BASE WITH
P.C. BOARD
2
SEPARATE BASE
FROM COVER
MARK & DRILL 2 HOLES IN MOUNTING SURFACE.
FASTEN BASE WITH 2
COUNTERSUNK
SCREWS.
4
3
FLEX CATCH AND
REMOVE BOARD
FIXED FRAME
MOVING PART
MOUNT THE MAGNET NEAR ITS
LOCATION MARK WITH 2 SCREWS.
5
1
REMOVE SCREW
Figure 2 – Mounting the Sensor
3.2 Auxiliary Input Wiring
(Fig. 3)
Remember!
If your application does not require the auxiliary input, be sure to set
DIP switch
SW2
to
OFF
and to short the input terminals together with a piece of
jumper wire.
A
. Connect the auxiliary sensor contacts across the MCT-302 SMA auxiliary input
terminals.
B.
If the auxiliary input of the MCT-302 SMA is defined as a Normally Closed (N.C.)
type (
SW2
set to
OFF
), series connected N.C. sensor contacts must be used
exclusively. An E.O.L. resistor will not be required.
C.
For E.O.L. supervision, set
SW2
to
ON.
Normally Closed (N.C.) as well as Normally Open (N.O.) sensor contacts can be
used, as show in figure 3. A 47k
E.O.L. resistor must be wired at the far end of
the zone loop.
Note:
For UL installations, the device connected to the initiating circuit must be
located in the same room as the sensor.
47
k
N.O. AND N.C. ALARM CIRCUI T
WITH E.O. L RESIS TOR
Figure 3 - E.O.L Wiring Example
NOTE
- An alarm message is transmitted once the loop is opened or short circuited.
4. PREPARATION FOR USE
4.1 The Function Switches
A. Switch Tasks
The MCT-302 SMA has a 4-position DIP switch function selector. Each switch lever
allows you to select one of two options
.
B. Setting the Switches
Set the function switches as desired prior to applying
power. Use a ball point pen or another pointed object to
shift the switch levers.
The ON position is indicated by
the arrow on the switch body.
ON
1
2
3
4
Function Selector
Table 1.
Getting acquainted with the function selector
Sw- Function
Pos.
Selected
Option
Default
SW1
Reed switch input
enable/disable
ON
OFF
Reed switch input is enabled
Reed switch input is disabled
ON
SW2
Aux.
input
type
selector
ON
OFF
Aux. input is E.O.L. (47 k
)
Aux. input is N.C.
OFF
SW3
Restore
reports
enable/disable
ON
OFF
Restore events reported
Restore events not reported
ON
SW4
Transmit
mode
selector
ON
OFF
Alarms reported every 3 min.
Alarms reported only once
OFF
SWITCH SW1:
Determines whether the reed switch input will be active or inactive.
SWITCH SW2:
Determines whether the auxiliary input will behave as an end-of-line
(E.O.L.) input or as a normally closed (N.C.) input.
SWITCH SW3:
Determines whether the sensor will report a restore event when an
input restores from an alarm condition.
