Visonic MCT 320 Instructions Manual Download Page 1

D-301998 

MCT-320

 

 

 

English 

Contact transmitter 

 

 

Español 

Contacto Magnético Inalámbrico

 

 

 

Portuguese 

Transmissor de Contacto Magnético

 

 

MCT-320 

 

ENGLISH 

1. INTRODUCTION 

The MCT-320 is a fully supervised, PowerCode magnetic contact 

transmitter, for use with PowerCode products. The transmitter 

includes a built-in reed switch (that opens upon removal of a 

magnet placed near it).  
The magnet switch has a unique 24-bit PowerCode ID, selected in 

the factory from over 16 million possible code combinations.  
Since messages transmitted by the MCT-320 might collide with 

transmissions from other PowerCode transmitters, a "smart" anti- 

collision transmission sequence is used. 

The MCT-320 tamper switch is activated when the cover is removed or 

when the detector is removed from the wall. 
A periodic supervision message is transmitted automatically. The target 

receiver is thus informed, at regular intervals, of the unit’s active partici-

pation in the system. 
An LED lights whenever alarm or tamper events are reported. The 

LED light can be disabled if desired. The LED does not light while a 

supervision message is being transmitted.  
Operating power is obtained from an on-board 3 V Lithium battery. 

When the battery voltage is low, a “low battery” message is sent to 

the receiver. 

 

2. SPECIFICATIONS 

Frequency (MHz):

 315, 433.92, 868.95, 869.2125 or according to 

local requirements (UL has only investigated at 315 MHz). 

Transmitter's ID Code: 

24-bit digital word,

 

over 16 million 

combinations, pulse width modulation. 

Overall Message Length:

 36 bits 

Power Source:

 3 V Lithium CR-2 type battery, Panasonic or Sanyo only. 

Note:

 Dispose of used battery according to manufacturer's 

instructions. 

Battery Life Expectancy: 

5 years (for typical use) 

Battery Supervision:

 Automatic transmission of battery condition data 

as part of any status report. 

Operating Temperature: 

-10

°

C to 55

°

C (14

°

F to 131

°

F). 

Dimensions: 

51 x 30 x 21 mm (2 x 1-3/16 x 13/16 in.)

 

Weight (including battery):

 36g (1.27 oz) 

Standards:

 

USA (315 MHz): 

CFR47 part 15 (FCC) 

UL 634, ULC C634 

Europe (433.92, 868.95, 869.2125): 

ETSI EN 301 489-3 V1.4.1: 

(2002-08) , EN 50130-4:( 95) & A1 : (98) & A2: (03) 

EN 300 220-2 V2.1.2 :2007, EN 300 220-1 V2.1.1 :2006 EN 60950-1: 

2006, EN 50130-5: 1998  EN 50131-1 :2007, CLC/TS 50131-2-6:2004 
This device complies with Part 15 of the FCC Rules and RSS-210 of 

Industry and Science Canada. Operation is subject to the following 

two conditions: (1) This device may not cause harmful interference, 

and (2) this device must accept any interference received, including 

interference that may cause undesired operation. 

 

This device complies with the essential requirements and provisions of 

Directive 1999/5/EC of the European Parliament and of the Council of 

9 March 1999 on radio and telecommunications terminal equipment. 

 

  

3. GENERAL INFORMATION 

It is highly recommended to attach the transmitter 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 transmitter’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. 

 

4. MOUNTING 

The transmitter should be mounted on the fixed surface and the 
magnet on the moving surface (see Figure 1). 

4.1 Magnet Mounting 

(see Figure 2)

 

4.2 Magnet Mounting with Optional 

Spacer(s) 

(see Figure 3)

 

Optional spacer(s), 3 mm width, 7mm with, or both, can be used for the 
magnet mounting. 

4.3 Transmitter Mounting

 (see Figure 4)

 

 

5. TEST 

A. 

Insert the battery between the battery clips, at the correct polarity. 

For proper operation, only Lithium Thionyl Chloride battery 

(Panasonic or Sanyo type CR2) should be used.  

Caution:

 Risk of explosion if battery is replaced by an incorrect 

type. Dispose used battery according to manufacturer's instructions. 

B.

  Press the tamper switch once and release it.

 

Note:

 Since the cover is removed and power is applied, a tamper 

situation exists. Verify that the MCT-320 transmits (the LED lights 

briefly) once every 3 minutes.  

C.

 When you are satisfied that tamper signals are transmitted 

properly,

 

put the cover on to return the tamper switch to its normal  

(undisturbed) position. Wait slightly over 3 minutes to verify that 

tamper transmissions cease. 

D.

 Momentarily open the door or window and verify that the 

transmitter LED lights, indicating that transmission is in progress.  

E. 

Close the door or window, thus restoring it to the undisturbed 

state and watch the LED. 

F. 

Refer to the target receiver’s installation instructions, and let the 

receiver “learn” the ID codes associated with the reed switch. 

With the target receiver in the LEARN mode, an alarm transmission 
from each input will enroll the input’s ID in the receiver’s memory.

 

 

6. LED LIGHT ENABLING/DISABLING

The LED light can be enabled or disabled as desired. 
The disabling and enabling process is identical, as follows: 

A.

  Pull out the transmitter rear cover (to activate rear tamper switch). 

B.

   Hold the magnet in your hand, near and parallel to the transmitter.  

C.

  Push and pull the magnet to and from the transmitter, 5-6 times (*).  

D.

  Close the transmitter rear cover. 

(*)  During disabling process the LED flashes and then stops 

flashing. 

During enabling process the LED does not flash and then flashes. 
 

 

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