DMP Electronics 1121 Installation Sheet
INSTALLATION SHEET
1121 PIR Motion Detector
Description
The 1121 PIR (Passive Infrared) Motion Detector is a wireless, low current sensor for use with the 1100D Wireless
Receiver. The 1121 PIR can be used in a variety of motion detector applications. With a built-in tamper switch,
switch-selectable high/low sensitivity and pet immunity, the 1121 is very exible. For added convenience, the 1121
is designed to mount on the wall or the ceiling.
Features
• Low current technology
• Low battery report capability
• Walk test for coverage and signals
• Calibration free height installation from 4.9 to 8.2 feet high
• Pet immunity up to 60 lbs.
What is Included
• One PIR detector with DMP wireless transmitter
• One CR123 battery
• Zone name and number label
• Serial number label
• One optional wall/ceiling-mounting bracket with hardware
Figure 1: Remove the 1121 Cover
Unscrew the
holding screw
and gently lift
the cover.
Installation
For your convenience, an additional pre-printed serial number label is included. Verify the serial number on the
label matches the serial number located on the side of the battery compartment. See Figure 3. Prior to installing
the device, record the serial number or place the pre-printed serial number label on the panel programming sheet.
This number is required during programming. As needed, use the zone name and number label to identify a specic
transmitter.
Programming the PIR in the Panel
Refer to the XRSuper6/XR20/XR40 Programming Guide (LT-0305) as needed. Program the device as a zone in Zone
Information during panel programming. At the Serial Number: prompt, enter the eight-digit serial number, including
leading zeros. Continue to program the zone as directed in the panel programming guide.
Note: When a receiver is installed, powered up, or the panel is reset, the supervision time for transmitters is reset.
If the receiver has been powered down for more than one hour, wireless transmitters may take up to an additional
hour to send a supervision message unless tripped, tampered, or powered up. This operation extends battery life for
transmitters. A missing message may display on the keypad until the transmitter sends a supervision message.
Selecting the Best Location (LED Survey Operation)
The PIR transmitter provides a survey capability to allow one person to conrm transmitter communication with
the receiver while the cover is removed. Refer to Figure 1 to remove the PIR front cover. The PIR transmitter
PCB Red Survey LED turns on whenever data is sent to the receiver then immediately turns off when the receiver
acknowledgement is received. Pressing the PIR tamper switch is a convenient way to send data to the receiver to
conrm operation. The PIR circuit board LED lights to indicate motion and the Survey LED briey lights to conrm
operation. See Figure 3 for LED locations. See Installing or Replacing Batteries.
When the transmitter does not receive an acknowledgement from the receiver, the transmitter Survey LED remains
on for about 8 seconds to let you know communication is not established. Relocate the transmitter or receiver until
the Survey LED immediately turns off indicating the transmitter and receiver are communicating properly. If the
transmitter is not programmed into the panel, it does not operate properly.
FCC Note: The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm
from all persons. It must not be co-located or operated in conjunction with any other antenna or transmitter.
1121 PIR Installation Sheet Digital Monitoring Products
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Mounting Location Considerations
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AUTO 1 33 Lb 60 Lb
PETPULSE
Q1
DMP WIRELESS PIR
P/N 3201504
Tamper
Te
st
Pushbutton
Pulse Width
Switch
Pyrosensor
Battery
Pet Immunity
Switch
D1 LED
(Survey)
Mounting
Screw
Mount the unit:
• On a rigid vibration-free surface
• So the expected intruder movement is across the detection
pattern elds, see Figure 2
Do not locate the unit:
• Facing a door with a wireless door/window transmitter
• Facing areas that may change temperature rapidly
• In any area containing excessive metallic surfaces
• Where it may be exposed to false alarm sources such as:
direct sunlight, heat sources (heater, radiators, etc.) in the
eld of view or strong air drafts (fans, air conditioner, etc.)
50 feet
Setting the Sensitivity and Range Switches
Figure 2: Detection Pattern
Use the switches located on the unit PCB to set sensitivity and
pet immunity, as shown in Figure 3. Use the following to determine the
appropriate switch settings for an application.
Pulse Width Sensitivity Adjustment
Position 1 is for normal operating conditions and operation.
Position AUTO is used for harsh environment locations with air drafts.
Pet Immunity Adjustment
Position 33 lbs is for locations with pets up to 33 lbs in weight.
Position 60 lbs is used for locations with pets between 33 lbs and up to
60 lbs in weight.
Unit Testing
The test pushbutton is located below the tamper switch. Use this button
to activate the detector Walk Test and RF transmission test modes.
Perform the steps following each test option to verify operation. Refer
to Figure 3 to identify the test pushbutton location. Before performing
any of the tests, ensure the 1121 PIR is currently programmed in the
Command Processor™ panel.
Walk Test
1. Lift the unit front cover.
Figure 3: 1121 PIR Circuit Layout
2. Press the test pushbutton for less than one second. This activates the device for one minute to enable the
Walk Test.
3. Walk test the unit to verify the PIR coverage. Refer to Selecting the Best Location (LED Survey Operation) as
needed.
Note: This is for IR detection only and does not send an RF transmission.
Alarm Transmission Test
1. Lift the unit front cover.
2. Press the test pushbutton for at least two seconds. This immediately activates the alarm transmission.
3. To check this function, verify that the keypad display indicates a signal received from the detector. The
detector sends 11 transmissions to the control panel during the one minute test period.
Tamper Transmission Test
1. Lift the unit front cover to fault the tamper and initiate a tamper trouble message.
2. Verify that the keypad display indicates a tamper message.
Mounting the Unit
Caution: You must be free of static electricity before handling sensor circuit boards. Touch a grounded,
bare metal surface before touching circuit boards or wear a grounding strap.
Prior to permanently mounting the 1121 PIR, check that the PIR and control panel communication is working. See
the Unit Testing section.
1. Use a Phillips head screwdriver to unscrew the holding screw at the lower end of the 1121 case, gently raise
the front cover, and slide the cover out of the closing pins. Refer to Figure 1.
Digital Monitoring Products 1121 PIR Installation Sheet
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