Bosch DS422I User's Manual
Contents
1. Figure A on either the Transmitter e Repeat this complete mounting procedure for the receiver Be sure or Receiver to mount the receiver in direct line of sight with the transmitter Route the wiring through the transmitter s wire entrance e Slide the transmitter onto the mounting plate Tighten with the mounting plate to unit screws e Slide the Alignment tool up and out of its holder see Figure F and 4 0 Wiring slide it onto the Alignment Mount on whichever side of the Transmitter is most convenient for sighting through the viewfinder Only apply power after all connections have been made and inspected Use the following chart Figure C to determine the minimum gauge wire needed per length of wire run between the power source and the last unit on the run The chart is based on one system one transmitter and one receiver connected to the same wire run from the power source If more than one system is added to the run the maximum length per gauge decreases and is determined by dividing the length found m in the chart by the number of systems on the run DS422i Wiring Chart SIZE 12 VDC 24 VDC 24 AWG 0 6mm 920 ft 280m 790 ft 240m 22 AWG 0 8mm 1 640 ft 500m 1 440 ft 440m 20 AWG 1 0mm 2 560 ft 780m 2 300 ft 700m 18 AWG 1 2mm 3 675 ft 1120m 3 280 ft 1000m DS426i Wiring Chart SIZE 12 VDC 24 VDC 24 AWG 0 6mm 820 ft 250m 690 ft 210m 22 AWG 0 8mm 1 4102. are not properly aligned and fine tuned Figure E Transmitter Wiring 2004 Bosch Security Systems DS422i 426i Installation Instructions Receiver s Line of Sight _ Transmitted Beam strength is o ER strongest along this path Transmitted Beam weakens farther from its center Figure H Beam Strength Area e Set the meter to read 3 to 5 VDC e Fine peak the transmitter Connect the meter to the receiver s test terminals see Figure J L NOTE Observe the Polarity due to DC voltage Figure J Meter connection Rotate the transmitter s optical module very slightly to the right and left until a maximum meter reading has been achieved If you cannot obtain a reading greater than 2 3 VDC the Transmitter and Receiver must be realigned using the procedure in section 5 0 NOTE To aid in fine tuning the system the red LEVEL LED gets brighter as the units get fine tuned and the green GOOD LED will be on when the meter readings reach a peak e Adjust the transmitters Vertical Fine Tuning screw slightly until maximum meter readings have again been achieved e With the transmitter s optical module fine tuned repeat this exact process with the receiver 7 0 Final Check e Completely block the upper beam on the transmitter Neither the ALARM LED nor the LEVEL LED should come on If either does come on the beams are incorrectly aligned see Figure K and should be
3. ft 430m 1 250 ft 380m 20 AWG 1 0mm 2 230 ft 680m 2 000 ft 610m Figure F Positioning the Alignment Tool 18 AWG 1 2mm 3 215 ft 980m 2 850 ft 870m e From the side of the unit look into the viewing port at the mirror Figure C Wire chart The view in the mirror is what is in line of sight of the optical module e Wire the receiver and transmitter terminal strips see Figures Dand NOTE Alignment may be made easier with the use of an alignment light see Section 8 0 e Rotate the optical module until the image of the other unit is centered 7 in the mirror see Figure G If G initially aimed too high or low adjust the Vertical Fine Tuning screw see _ n i l Figure A until the unit is centered Figure G Image in mirror Repeat this complete alignment sequence for the receiver s optical module POWER ALARM TAMPER When properly aligned the Receiver s green GOOD LED should be Figure D Receiver Wiring lit 6 6 6 0 Fine tune Alignment Meter readings are very important in providing maximum trip safety aa le ea al margins see Figure H A 20 000 Ohm volt or greater DC VOM is recommended When fine tuning the transmitter and receiver maximum meter readings occur at the transmitted beam s center which is also the POWER TAMPER receiver s line of sight A reduction in the system s effectiveness will occur if the units
4. properly wire the transmitter Temperature 13 F to 130 F 25 C to 55 C Mount the transmitter to the mounting surface Firmly tighten the Trigger Response Time 50 to 700 milliseconds selectable screws 2 0 Installation Considerations Repeat this complete mounting procedure for the receiver Be sure to mount the receiver in direct line of sight with the transmitter Stay within the listed maximum range Install the system with a clear line of sight between the transmitter and receiver If installed outdoors make sure trees weeds plants NOTE The recommended mounting height is 3 feet 1 m However etc will not interfere with the beams mounting height will change depending on the anticipated Use care when installing near reflective surfaces i e glossy walls intruder catch area or floors Care should be taken during alignment to ensure beams NOTE Use optional MB series poles or equivalent are line of sight aimed and are not reflecting off surfaces e Choose the appropriate mounting location Install the poles with a Do not install the units where they may be immersed in water or clear line of sight between the transmitter and receiver subject to corrosive liquids or sprays e Remove the transmitter s cover by loosening the Cover Screw see Do not install the receivers where they will be facing an intense Figure A source of light e g a rising or setting sun If the sun can not be avoided mount the receiver slightly highe
5. response time e Replace the covers NOTE lf a tamper circuit has been installed it should be tested now by lifting up the appropriate covers e Secure the covers by tightening each cover mounting screw Figure M Walk testing the system 8 0 Other Information 8 1 Alignment Lights Alignment may be made easier by using a flashing high intensity light placed in front of the units This makes a very distinct target when looking at the other unit through the viewing port A recommended light source is model AL402 8 2 Maintenance At least once a year the front covers should be cleaned Use a clean cloth and a common window cleaner On a daily basis the end user should walk through the beams before arming This will verify operation 2004 Bosch Security Systems 9 0 Application Tips When using photoelectric detectors for motion detection there are a few installation techniques that will make the system more versatile 9 1 Beam Stacking Beam stacking gives a wall of protection by stacking several units at different heights and providing an alarm activation on the blockage of only one pair of beams see Figure N for the correct set up technique Note that the system is installed with alternating transmitters and receivers at each end This eliminates the possibility of a receiver being covered by more than one transmitter The maximum spacing between receivers S can be calculated by dividing the dist
6. Installation Instructions Wire Entrance DS422i and DS426i Dual Beam Photoelectric ee Response a Intrusion Detection Systems l Adjustment TIE AAPM oooooaa GOOD LEVEL ALARM POWER 1 0 Specifications ACTIVE INFRARED SENSOR ene ACTIVE INFRARED SENSOR e Range Indoors Outdoors Jacks vr DS422i 300 ft 90 m 100 ft 30 m Vertical l DS426i 600 ft 180 m 200 ft 60 m i Fine Tuning f l I I amp amp Screw Dimensions HxWxD 6 75 in x 3 25 in x 3 5 in Alignment 171 mm x 82mm x 87 mm Tool gt Voltage 12 to 28 VDC Non Polarized Note Tool Current Transmitter Receiver may be in DS422i 15 mA 25 mA Ay DS426i 30 mA 25 mA Standby Intended for connection to DC power supplies capable of supplying power if _ gt Cover Screws _ gt primary power fails Receiver Transmitter I l I I I 1 I dJ I I I I I L L d Optical Module Relay Alarm activated Form C with dry Figure A Location of the system s major items contacts rated at 0 5 amps max 30 VAC and DC Tamper Normally Closed with cover in place Pointability The optical module can be adjusted e Place the provided template onto the mounting surface and mark the holes for its two mounting screws supplied NOTE Be sure all wiring is unpowered before routing Reece e Route wiring for wire size see Section 4 0 through the transmitter s aoe horizontally or 24 vertically wire entrance leaving enough to
7. ance between the transmitter and its receivers D by 20 Therefore if the distance between a transmitter and receiver is 100 ft 30 m the maximum spacing between receivers would be 100 ft 30 m 20 or 5 ft 1 5 m S D 20 S 100ft 30 m 20 S 5 ft 1 5m A potential problem when installing systems in a beam stack is Near Field Reflection Near field reflection is caused when a reflective object is placed in the line of sight of the detectors and causes the transmitted signal to be reflected to the wrong receiver see Figure P Figure N Beam stack method Figure P Near field reflection It may be desirable to have more than two sets of beams to create taller stacks This can be accomplished by adding receivers as shown in Figure Q Note that the beam from each transmitter is covering two receivers Figure Q Multi system stack 2004 Bosch Security Systems 130 Perinton Parkway Fairport New York USA 14450 9199 Customer Service 800 289 0096 Technical Support 888 886 6189 9 2 Perimeter Protection When protecting the interior of an installation a good technique is to mount the units at 90 angles around the coverage area see Figure R R4 T2 y T4 R2 Figure R Perimeter protection Note that the beams are mounted so they cross each other Th
8. is way an intruder can not enter the area by walking between the units When installing multiple transmitters and receivers test with all the receivers powered up but with only one transmitter powered up at a time A transmitter should set up only its receiver Receivers physically too close to a different system s transmitters may be set up even if the transmitter is not pointed at them see Figure T Figure T Close proximity field problem If a receiver is being set up by the wrong transmitter the signals can usually be eliminated by masking the sides of the transmitter and receiver Use electrician s tape or duct tape inside each enclosure s window When installing these systems remember that the infrared signal may reflect off objects e g glossy walls or floors in the coverage area and still set up the receiver A thorough walk test performed at several different points within the coverage area will catch this problem Re aligning the units should solve this problem The only way to insure proper continual protection is to perform regular walk tests of the desired coverage area 03 04 DS422i DS426i Installation Instructions P N 44974D Page 4
9. r than the transmitter Aim the receiver down at the transmitter Do not install the receivers where sunlight could be reflected directly into the receiver optics Wiring Entrance 3 2 Pole Mounting e Firmly attach a mounting plate and U clamp to the pole see Figure B with the screws supplied Make sure they are line of sight aimed so the transmitter and receiver will be aligned Do not install either unit on movable surfaces or surfaces subject to strong vibrations 3 0 Mounting 3 1 Surface Mounting NOTE The recommended mounting height is 3 feet 1 m However mounting height will change depending on the anticipated intruder catch area e Choose the appropriate mounting locations They should be rigid and provide a clear line of sight between the transmitter and receiver e Remove the transmitter s cover by loosening the cover mounting screw see Figure A Figure B Pole assembly LN Security Systems NOTE Be sure all wiring is unpowered before routing 5 0 Setup and Alignment e Route wiring for wire size see Section 4 0 through the mounting plate wire entrance see Figure B leaving enough to properly wire the transmitter NOTE Precise correct alignment is a critical process for these systems to operate effectively e Apply power to the units e Check the transmitter The Power LED see Figure A should be on If the lamp is not on the unit is not receiving power e Locate the Alignment Tool see
10. re aligned Figure K Mis aligned beams e Completely block the lower beam of the transmitter Again neither the ALARM LED nor the LEVEL LED should come on If necessary re align and fine tune each unit DS422i 426i Installation Instructions 7 1 Alarm response time The system s sensitivity to alarms is manually adjusted by the RESPONSE TIME Control on the receiver see Figure L1 and Table L2 Response Time Control L Figure L1 Response Time Control C ee amo Ce aon oeoa a n oor Ce ns roos e en soi Table L2 Response Settings RESPONSE TIME CATCH EXAMPLE running jogging quick walk slow walk A setting near 1 will alarm if a person runs through the beam while a setting near 5 will alarm for objects moving very slowly through the beam The setting should be adjusted lower where birds debris etc may interrupt the beam path Be careful not to adjust the setting too low or it will not trigger an alarm NOTE In order to comply with the requirements in UL 639 Intrusion Detection Units an object passing through the beams at a speed of 8 8 feet per second 2 7 m s must trigger an alarm e Walk through the beams after the desired setting has been chosen Be sure the system alarms at the desired pace Walk through the beams in several locations between the units see Figure M The system should alarm during each crossing of the beam If not re check a alignment or trigger
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