Manual Aritech PB501 (page 4 of 12) (English, French, Swedish)

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6. ALIGNING AND OPERATING THE UNIT (FIGURE d)

1. Vertical adjustment screw. Clockwise: upwards. Counter-clockwise:

downwards; 2. Horizontal adjustment; 3. View finder.

Supply power to the unit with the cover removed. Set the same beam

channel for both the transmitter and receiver (factory default is channel

1). To align the transmitter lens to the receiver lens, position the

viewfinder between the two lenses and look through it. Line-up the

optics horizontally and vertically until the opposite unit is visible.

Figure e: Fine tuning the alignment.

1. Continue fine tuning the unit until the receiver attenuation LED turns OFF

(figure e: 1. Alarm LED; 2. Attenuation LED; 3. Tester 3-10 VDC;

4. Attenuation sheet).

2. If the unit is used outdoors, place an attenuation sheet over the receiver

optics and continue fine tuning until the receiver LED turns OFF. It is

recommended to use a tester when doing adjustments. Confirm the

beam level by inserting the tester in the monitor jack of the receiver. See

table of figure e for monitor output voltage (1) by recommended beam

level for outdoor (2) and indoor (3) usage. Low readings need to be

readjusted (4).

Note: Table shows voltage under non-attenuation sheet condition.

Testing the unit: Test monthly. Walk in front of the receiver and see if

the walk test LED lights when the beam is blocked. Confirm the relay

function by observing the status light on the control panel.

Maintaining the unit: The units are virtually maintenance free except

for units located in dusty or dirty locations. Clean dirty units with a damp

cloth as necessary.

7. ADJUSTING THE RESPONSE TIME

Figure f: Response time (seconds).

1. Response 0.05 sec: Running at full speed.

2. Response 0.3 sec: Walking quickly.

3. Response 0.7 sec: Walking.

The unit cannot detect objects that move faster than the set response

time. However, increasing the set response time may result in the unit

not detecting people.

8. CHANGING BEAM FREQUENCY

Change the beam frequency to prevent cross talk or bypass of beams.

This can occur with line or 2-stacked protection.

Figure g: Setting the beam channel.

1. Set the transmitter and receiver to the same channel. The units do not

provide protection if set to different channels.

2. See figure g to set the beam channel when installing two or more

units in a line or 2-stacked protection. A: Line protection; B: 2-stacked

protection; C. Line and 2-stacked protection.

Note: When multi-stacked or line protection is used, it is recom-

mended that beam alignment is done with a tester to improve

reliability as well using the beam frequency change-over function.

When multi-stacked protection is used, both upper and lower

sensors should have the same model numbers.

9. EXTERNAL DIMENSIONS (FIGURE h)

1. Knockout; 2. Wire lead.

INSTALLATION I NSTRUCTIONS

1. PRODUCT DESCRIPTION

The PB501/ PB511/ PB521 photoelectric beam sensors have an infrared

transmitter (Tx) and receiver (Rx). They are designed to be AND

gated". An alarm is initiated only when two stacked beams are simulta-

neously interrupted. If one beam is interrupted (eg, by an insect or a

leaf) it does not initiate an alarm. Four beam frequency channels are

available to prevent cross talk when using multiple units.

2. PARTS DESCRIPTION (FIGURE )

The product is shipped with the following items. Please check that they

are all included.

1. Terminals; 2. Beam channel; 3. Lens; 4. View finder; 5. Operation

LED; 6. Horizontal adjustment; 7. Vertical adjustment screw; 8. Cover;

9. Mounting plate; 10. Alarm LED; 11. Attenuation LED; 12. Response

time adjustment; 13. Monitor jack; 14. Tapping screw; 15. Pole-mounting

plate; 16. Pole bracket; 17. Attenuation sheet.

Figure : Dos and Donts on where to install the sensor. No obstruc-

tions (consider seasonal changes). Avoid strong light. Avoid splashing

the unit. Avoid unstable ground.

Figure : Indoor and outdoor protection distances between transmitter

and receiver.

3. GUIDELINES WHEN INSTALLING SENSORS

 Avoid overhead wiring.

 When installing indoors, use similar procedures as for telephones/

intercoms. Outdoor wiring should be in PVC if used below ground or

use a burial cable. Use conduit for above-ground wiring.

Figure : Recommended installation height.

Figure : Adjust the lens vertically (1) and horizontally (2) so that the

unit can work in all directions. See examples A-C.

Figure : Calculating beam expansion (A). (B= protection distance)

4. WIRING THE SYSTEM

Figure  : Terminal configuration.

Figure  : Examples of connections.

Figure  : Wiring distance (m).

Note 1: The maximum wiring distance when two or more sets are

connected is the value shown divided by the number of sets.

Note 2: The signal line can be wired up to approximately 1000 m

with AWG22 (diameter 0.65 mm) telephone wire.

5. INSTALLING THE SYSTEM

 Installing a wall-mounted unit (figure a)

Remove the cover from the unit  and detach the mounting plate .

Break the grommet on the mounting plate and pull the wire thorough 

(plug the opening between the grommet and the wire with a sealing

material.) Secure the plate with screws. Pull the wire through the

sensor body  and attach to the sensor plate.

Once the wiring is completed, adjust the alignment, check the operation

and re-attach the cover. It is not necessary to seal the unit as it is

waterproof.

 If surface-wired, break the knockouts on the rear of the unit:

A= wiring from the top; B= wiring from the bottom; C= knockouts. Pull

the wire through as shown and attach it to the mounting plate.

 Installing a pole-mounted system (figure b)

Insert two oval countersunk head screws (M4x20) in a pole bracket .

Fix the pole mounting plate to the pole with the bracket. Remove the

cover from the unit and detach the mounting plate. Insert two M4x10

screws in the pole-mounting plate  and fix the sensor mounting plate

to them. Continue as explained for wall-mounted units.

 Installing a back-to-back pole-mounted system & right-

angle pole mounted system (figure c)

Fix the pole-mounting plate for the first unit. Position the pole bracket of

the second unit underneath the first pole-mounting bracket and fix the

second pole-mounting plate upside down. Continue as explained for

wall-mounted units.

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Aritech PB501 Manual

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