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Instruction Manual
( QDM )
INSTALLATION
QDM TERMINALS
POWER
SUPLY
LOOP
OPEN COLLECTOR *
DETECTION OUTPUTS
PRESENCE DETECTION
OUTPUT
IN / OUT OUTPUT
IMPULSE
DMT TERMINALS
DESCRIPTION
The detector should be installed as close to the loop as possible and the connection must be made with twisted wire.
By connecting the power supply the detector will enter to automatically adjustment mode.
Equipment designed to detect passing vehicles. Consists of a motherboard that contains the output relays and a card that is the proper
magnetic detector. The loop detector input is protected against surges. Automatic reset.
QDM
Card connector
12 34 5 67 89
1 2 3 4 5 6 7 8 9
220V
1 2
1 3
IN
PULSE
6 7
OUT
PULSE
8 9
C1
Common
NC1
Normally closed contact
NO1
Normally open contact
IN
IMPULSE
1 2
LOOP
C
O
M
M
O
N
C
O
M
M
O
N
1 4
PRESENCE
C
O
M
M
O
N
* Max. 100mA
ENG
PRESENCE
C
O
M
M
O
N
3 4 5