Velleman PEM400 Mode D'emploi page 2

4. Specifications
• sensing range : max. 8m in open air
• power supply: DC 10-30V
• detection method: break one beam or two adjacent beams
(1) 1 beam: alarm activated after 2 sec.
(2) 2 adjacent beams: immediate activation
• signal output: normally open / normally closed / common relay output
• response time: 200msec.
• contact rating: 1A / 24VDC
• Tx power adjustment (jumper 4)
(1) strong (factory setting) : jumper 4 is shorted
(2) normal : jumper 4 is open on the Tx side)
• green power LED (on both TX and RX)
• red LED indicator (on RX) and buzzer are deactivated when Tx and Rx are aligned properly
• operating temperature: -45°C to +55°C
• dimensions: 35 x 30mm (Ø)
• length: 105cm
5. Wiring
Transmitter (Tx)
Red
Black
Green
Yellow
Jumper 4
Figure 3 :
Jumper 3 (J3) : buzzer alarm for beam alignment. The buzzer is deactivated when J3 is removed and it is armed when
J3 is mounted.
Jumper 4 (J4) : Tx power adjustment. Cut J4 for "Normal" power, leave it intact (J4 shorted) for "Strong" power.
PEM400
DC (+)
GND
tamper switch
tamper switch
Tx power selection :
cut jumper : normal
short jumper : strong
Fig. 2
Receiver (Rx)
Red
Black
Green
Yellow
White
Blue
Orange
Fig. 3
2
DC (+)
GND
tamper switch
tamper switch
Normally Closed (N.C.)
Common
Normally Open (N.O.)
VELLEMAN