LED Current-Powered User`s Manual
Contents
1. l 2 MCU Mounting Details 4 3 Head Mounting Details 5 4 Electrical Overview 7 5 MCU Input Terminal Block 8 6 MCU Output Terminal Block 8 7 Junction Box At Station A 9 8 Junction Box at Station B 10 9 System Grounding Lightning Protection 11 10 Component Location Diagram iv 28 Jan 2014 GENERAL DESCRIPTION SAL 1030 I The SAL 1030 I is a current powered REIL System consisting of two Light Units and a Master Control Unit MCU Each Light Unit is made up of an Optical Head and a Junction Box The heads and junction boxes are separated for shipment and must be enjoined mechanically and electrically during installation Each Junction Box contains a current to dc voltage power supply and provides a convenient location for electric2. Wiring at the Junction Boxes Lightning Protection Functional Description Theory Of Operation Operating Instructions Status Monitoring Setup with a 3 Step CCR Setup with a 5 Step CCR Troubleshooting Maintenance LL Ll LLL LLL nnn nn LLL LLL LLL LLL LLL a Replaceable Parts iii SAL 1030 I iii 28 Jan 2014 SAL 1030 I LIST OF ILLUSTRATIONS PAGE la Optical Head 1 1b Master Control Unit 1 lc SystemM
3. 8 8 4 0 OPERATIONAL Current rms 2 8 to 6 6 Amps 50 60 Hz Power Watts 50 Flashes Per Minute 120 Intensity Effective Candelas total beam spread High 7500 to 22500 Med 750 to 2250 Low 150 to 450 Beam Spread 30 Horizontal 10 Vertical 28 Jan 2014 INSTALLATION In this section you will find instructions and recommendations for the following Emplacement preparations Installation sequence Accessing the various components of the system Mounting the Master Control Unit MCU Mounting the Junction Boxes Mounting the Optical Heads Zeroing the Horizontal Aiming Scale Zeroing the Vertical Scale and Pointer Electrical connections Emplacement Preparations The SAL 1030 I LED REIL system requires two prepared emplacements one for the MCU with an adjacent light fixture Optical Head and Junction Box and another for the light fixture on the other side of the runway Each emplacement requires a foundation with 2 inch NPS or NPT female threaded receivers such as floor flanges bolted to a concrete pad or an in ground can cover with threaded holes Detailed drawings for the emplacement foundations are furnished by others Recommended Sequence of Steps Abbreviated Install the Junction Boxes at the prescribed
4. 28 Jan 2014 SAL 1030 I Zeroing and Aiming Instructions Horizontal Optically enhanced LEDs unlike conventional light sources have very sharply defined beams aiming is therefore very critical A horizontal scale has been provided to assist in aiming but it must be properly aligned with the runway in order to use it effectively Horizontal scale alignment zeroing can be performed before setting the Optical Head onto the Junction Box The horizontal scale is attached to the top surface of the Junction Box The scale ranges from 15 to 15 in increments of 1 A pointer affixed to the Optical Head assembly indicates the aiming direction of the head but first the scale must be accurately referenced to the runway This requires orienting the Junction Box to face exactly downrange that is parallel to the centerline of the runway This can be achieved by following the steps below e Establish an aiming target such as a stake or a person placed the same offset distance from the runway centerline as the light emplacement The target should be at least 200 feet down range from the emplacement e Use an edge of the Junction Box as a sighting line and rotate the Junction Box about its supporting pipe until the edge points directly towards the target e Securely tighten the hex head bolts when the Junction Box is aligned with the aiming target The cone point setscrew prevents the Junction Box from turning while the bolts are being tighten
5. Rd POWER FROM MCU TB101 D BK FROM MCU TB101 C RD COMM CABLE COMMA FROM TB102 IN THE MCU COMM B DENOTES A TWISTED PAIR HEAD 1 CGI SHIELD SHIELD TIED AT DENOTES AN OVERALL SHIELD MCU END ONLY THE COMM CABLE MUST CONSIST OF A MINIMUM OF ONE TWISTED PAIR OF CONDUCTORS AND AN INDEPENDENT CONDUCTOR FOR CGi ISOLATED GND PLUS AN OVERALL SHIELD THE SHIELD MUST BE TIED TO CH GND AT THE MCU END ONLY A SECOND TWISTED PAIR JOINED AT THE ENDS AS A SINGLE CONDUCTOR MA Y BE USED FOR CGi Fig 7 Junction Box at Station A The constant current ac power to this Junction Box comes in on Red and Black conductors from TB101 positions 5 amp 6 in the MCU These power connections are phase sensitive so the color coding shown in Figure 7 must be maintained The Comm connections between the MCU and the light unit originate at TB102 in the MCU Figure 6 shows that there are two head designations for Comm signals at TB 102 Head 1 and Head 2 The head at station A is arbitrarily designated as Head 71 in these instructions The connections to the Optical Head are made via a five conductor harness through a flexible metallic conduit that is pre attached to the head Connections are made at TB 201 in the Junction Box at color coded terminals The housing of the Junction Box must be attached to a grounding stake as shown in Figure 9 28 Jan 2014 Connections at the Junction Boxes cont The elec
6. Set the CCR to Step 2 gt Do not make any potentiometer adjustments gt The LOW LED on PCB301 should remain on gt The LOW LED on PCB101 should remain on Set the CCR to Step 3 Adjust the MED pot slowly clockwise until the adjacent MED LED on PCB301 turns on gt The LOW LED on PCB301 should remain on gt The LED marked MED on PCB101 should illuminate and the LOW LED should turn off Set the CCR to Step 4 gt Adjust the HIGH pot slowly clockwise until the adjacent HIGH LED on PCB301 turns on gt The MED amp LOW LEDs on PCB301 should remain on gt The HIGH LED on PCB 101 should turn on Set the CCR to Step 5 gt Do not make any potentiometer adjustments gt The High MED amp LOW LEDs on PCB301 should remain on gt The HIGH LED on PCB101 should remain on Run the CCR back down through the Steps while observing automatic intensity changes as indicated by the status LEDs and make any necessary potentiometer re adjustments Setting up for a single intensity from a 5 step CCR The procedure below applies to single HIGH intensity operation It would be similar if the single intensity were MED or LOW Open the cover of the MCU and set the interlock switch SW101 to the Service Position pull up Turn the LOW and MED potentiometers on PCB301 fully counter clockwise CCW Turn the HIGH potentiometer fully clockwise CW Set the Mode Switch SW102 on the Control Module to REM Set the CCR to Step 5 Adjust the LOW
7. CCR and derives flash intensity instructions by detecting the level of the CCR current Potentiometer adjustments are necessary in order to associate specific flash intensities with specific levels of current These adjustments are made at the current sensing card PCB301 depicted in Figure 10 There are two principal types of CCRs used to power this equipment The basic type is L 828 Class 1 6 6 amps In this class there are two styles e Style 1 3 step e Style 2 5 step Setting up for 3 intensities from a 3 step CCR Open the cover of the MCU and set the interlock switch SW101 to the Service Position pull up Turn all three potentiometers on PCB301 fully counter clockwise CCW Set the Mode Switch SW102 on the Control Module to REM Set the CCR to Step 1 Adjust the LOW pot on PCB301 slowly clockwise CW until the adjacent LED turns on gt The LED marked LOW on the LSM card PCB101 should also illuminate Set the CCR to Step 2 e Adjust the MED pot slowly clockwise until the adjacent MED LED on the CSM card turns on gt The LOW LED on PCB301 should remain on gt The LED marked MED on PCB101 should illuminate and the LOW LED should turn off e Set the CCR to Step 3 e Adjust the HIGH pot slowly clockwise until the adjacent HIGH LED on the CSM card turns on gt The MED amp LOW LEDs on PCB301 should remain on gt The MED amp LOW LEDs should remain on e Run the CCR back down through the Steps while observing
8. automatic intensity mode changes Re adjust any potentiometer if necessary Setting up for a single intensity from a 3 step CCR The procedure below applies to single HIGH intensity operation It would be similar if the single intensity were MED or LOW Open the cover of the MCU and set the interlock switch SW101 to the Service Position pull up Turn the LOW and MED potentiometers on PCB301 fully counter clockwise CCW Turn the HIGH potentiometer fully clockwise CW Set the Mode Switch SW102 on the Control Module to REM Set the CCR to Step 3 Adjust the LOW pot on PCB301 slowly CW until the adjacent LED turns on gt The HIGH LED on PCB301 should also illuminate gt The MED LED on PCB301 should remain off gt The HIGH LED on PCB101 should turn on e Set the CCR to Step 2 gt The HIGH amp MED LEDs on PCB301 should turn off gt The mode indicating LEDs on PCB101 should be off e Re adjust the LOW potentiometer on PCB301 for the turn off condition if necessary 16 28 Jan 2014 Setting up for 3 intensities from a 5 step CCR Open the cover of the MCU and set the interlock switch SW101 to the Service Position pull up Turn all three potentiometers on PCB301 fully counter clockwise CCW Set the Mode Switch SW102 on the Control Module to REM Set the CCR to Step 1 Adjust the LOW pot on PCB301 slowly clockwise CW until the adjacent LED turns on gt The LED marked LOW on the LSM card PCB101 should also illuminate
9. e Place the Rotary Switch in the REM position e Close the cover e Apply primary power CCR 13 28 Jan 2014 S N ALLY LEFT BILAN i SAL 1030 I PCB 101 ASS Y 301 CABLE ACCESS INPUT TERMINAL BLOCK OUTPUT TERMINAL BLOCK Fig 10 Component Location Diagram Status Monitoring The default display parameter when power is applied to the MCU is High mode hours If an Error is detected the display will alternate between the Error Code or Codes and the selected display parameter Volts Temp or Hours There are two LEDs for critical status monitoring CAUTION This LED lights when an abnormal but not disabling condition exists It signals attention and further investigation into the condition and its cause Examples are e More than 2 LEDs have failed composite of both heads e Temperature has been reported to be more than 80 C e LED voltage has been reported as below 28 V dc See the troubleshooting section for recommended actions if any of these conditions arise ALARM This LED lights and an ALARM relay operates de energizes when a disabling condition has developed Examples are e More than 12 LEDs fail to flash or report in either head e One head is not reporting See the troubleshooting section for recommended actions if any of these conditions arise 15 28 Jan 2014 SAL 1030 I SET UP INSTRUCTIONS This equipment is powered by current from a
10. Comm B e Verify with a meter that there is 24 Vdc on the TB101 terminal block in the MCU see Figure 5 gt Check F101 if there is no voltage present e Verify that there is 48 to 50 Vdc on the TB201 terminal block marked 48V in each of the junction boxes There is no fuse 2 Remote Control Problem The system fails to respond to remote control commands or responds incorrectly e Be sure the Mode Selector Switch is set to the REM position e Verify the set up procedure for this installation gt Replace PCB301 if setup cannot be performed as instructed B Evolving Problems The manifestation of an evolving problem is nearly always a failure of one or both heads to flash When flashing has been shut down due to a serious malfunction the system will override the shutdown briefly upon cycling primary power This enables one to evaluate the cause by directly viewing each of the heads as power is re applied e Choose the MAINT MODE position on the Mode Selector Switch In this mode the heads operate at a low level of steady illumination that is suitable for direct viewing One can quickly ascertain which head has created the malfunction either by not lighting at all or by having many LEDs that do not turn on e If none of the LEDs in one of the heads are operating check the power supply in that head s Junction Box Look for 48 Vdc between the Blue and White wires plus amp minus 48 Volts at TB201 If there is no dc voltage at those term
11. Contact Information nnn Table of Contents List of Figures List of Tables General Description Equipment Specifications Installation Emplacement Preparations Recommended Sequence of Steps Equipment Access The Master Control Unit The Optical Heads Zeroing and Aiming System Wiring Wiring at the Master Control Unit
12. R INSTALLATION This equipment can be damaged if the procedures and recommendations contained herein are not observed during installation Any damage resulting from incorrect installation will void warranty CONTACT INFORMATION Strobe Approach Lighting Technology may be contacted by the following methods Tele 603 598 4100 Email sales saltechnology com OR info saltechnology com WARNING Do Not Depend on Interlocks For Safety Never depend on an interlock switch alone to render the equipment safe Always turn off and lock out upstream power when performing maintenance on this equipment il SAL 1030 I 28 Jan 2014 TABLE OF CONTENTS Front Matter Carton Labeling Unpacking Tools Recommended Abbreviations Used in This Manual Applicable Specifications Warranty Use of Generic Parts
13. RM O O O S 6 0799979 1 2 3 4 Figure 10 Component Location Diagram Table 1 Replaceable Parts REF DESCRIPTION PN DB101 Diode Bridge 44 00174 Fuse 55 00267 Gas Discharge Tube 44 00177 PS 101 I 24 Vde Power supply 44 00175 PS 201 I 50 Vdc Power Supply located in Junction Boxes 44 00176 PCB 101 Printed Circuit Board LSM I 344 30105 I PCB 301 Printed Circuit Board CSM 255 20086 SW101 Interlock Switch 55 00201 FH 1030 Flash Head 344 30520 20 SAL 1030 I 28 Jan 2014
14. ROL UNIT DENOTES ANY LINE CARRYING CURRENT AT CCR LEVEL L 823 CORD SET CORD SET L 830 4 ISOLATION TRANSFORMERS FROM CCR Fig 4 Electrical Overview Wiring Connections Installation wiring consists of making the electrical connections for power and communications Comm All connections are made at terminal blocks that accept bare wire insertions under screw clamps no special wire terminations or tools are required There are two stations designated as A and B in Figure 4 The MCU and one light unit reside at the A station This is considered to be the Master station The MCU is not co mounted on the same supporting pipe as the light unit but they both may be mounted on the ground attachment base at 8 inches separation standard in ground can cover spacing Power wiring consists of attaching L 823 two wire cord sets to designated terminal blocks At station A the L 823 is connected to TB101 in the MCU Two power conductors to the light A Junction Box are also connected at TB101 Power wiring at station B consists of attaching the L 823 cord set directly to designated terminals at TB201 in the Junction Box Comm wiring must satisfy the requirements for an EIA RS 485 data bus The comm cable must have an overall shield and at least three conductors Two of the conductors are for balanced line data transmission designated as Comm A and Comm B and must be twisted together The third conductor is an isolated ground conductor and must not
15. STROBE APPROACH LIGHTING TECHNOLOGY Technology L L 8491 STYLE A amp E LED CURRENT POWERED APPROACH LIGHTING SYSTEM SAL 1030 I USER S MANUAL STROBE APPROACH LIGHTING TECHNOLOGY 108 Fairgrounds Drive Manlius NY 13104 603 598 4100 INTENTIONALLY LEFT BLANK SCOPE This manual contains Installation Operation and Maintenance information for an LED based L 8491 Style A E Unidirectional Runway Approach Lighting system manufactured by Strobe Approach Lighting Technology SAL Technology for use in constant current powered applications The manufacturer s designation for this equipment is SAL 1030 I REIL System CARTON LABELING The SAL 1030 I REIL System is packaged into a single carton that includes two 2 Head Assemblies two 2 Junction Boxes one 1 Master Control Unit MCU and three 3 frangible fittings Some systems may have accessory items that require separate packaging UNPACKING Inspect each shipping carton for external damage immediately upon receipt There could be damage to the contents if the carton is damaged Promptly file a claim with the freight carrier if you have received damaged equipment TOOLS RECOMMENDED 2 Phillips screwdriver 10 inch shank 3 16 inch flat blade screwdriver 10 inch shank Large 3 inch slip joint pliers for pipe and lock nuts Wire strippers Wire cutters for small gage wire Volt Ohm meter ABBREVIATIONS USED IN THIS MANUAL CSM g
16. al connections without having to access the Optical Heads The MCU is in a separate enclosure that is electrically connected to the two Junction boxes by means of an RS 485 data bus The MCU and one of the Head Junction Box assemblies are intended to be co located on one side of the runway and derive power from a single shared L 830 18 150 watt isolation transformer This is considered to be the Master station The SAL 1030 I has three flash intensity modes and switches automatically from one to another as a function of the input CCR current level or it may be set up to flash at only one of the three available modes Fig 1c SAL 1030 I System Second flash head not shown Fig 1b Master Control Unit MCU 28 Jan 2014 SAL 1030 I EQUIPMENT SPECIFICATIONS PHYSICAL Dimensions are in inches mm Weight in Ibs kg Master Control Unit Figure 1a Dimensions 6 5H x 13 5W x 12D 165 x 343 x 305 Weight 10 2 4 6 Optical Head Figure 1b Dimensions 15H x 15W x 4 8D 381 x 381 x 122 Weight 24 6 11 2 Height is overall See Figure 3 Junction Box Figure 1c Dimensions 7 9 x 9 0W x 4 5D 201 x 229 x 114 Weight
17. be twisted in with Comm A and Comm B The isolated ground connection is designated as CGi at the terminal blocks Do not connect the CGi conductor to chassis ground For separation distances typically encountered in REIL installations lt 500 ft a shielded cable consisting of two twisted pairs is generally acceptable One twisted pair would be used for Comm A and Comm B as described above the other twisted pair could be tied together as one conductor and used for the CGi function This type of cable would be used between the MCU and the light unit at station B 28 Jan 2014 SAL 1030 I Connections at the MCU TB101 is the input terminal block for Primary Power See Figure 5 e Connect the two conductors L 823 cord set conductors to the positions marked A and B on the terminal block These connections are not polarity sensitive e Power to light A is distributed from positions 5 amp 6 on TB101 via two conductors that are part of a harness from light A to the MCU These connections are polarity sensitive The black wire must be connected to position 5 and the red wire to position 6 TB102 is the output terminal block See Figure 6 It provides connections for communications to both Optical Heads through their respective Junction Boxes An RS 485 compatible cable with AWG 22 min wire such as Belden 3106A or 3107A is required as a Comm cable to Station B This cable is not normally provided with the equipment A low capa
18. citance shielded cable with two twisted pairs may be used in lieu of the Belden cable mentioned above In this instance the two conductors of the second twisted pair would be used as a single conductor for the CGi connection The RS 485 data transmission signal is phase sensitive therefore a line originating as Comm A at the MCU must be connected to Comm A at its designated Junction Box Optical Heads are identified as 1 and 2 Station A amp Station B at the MCU output terminal block TB102 Observe and follow the labeling to ensure proper head addressing for automatic data logging Do not connect CGi to chassis ground FROM LGTA 24 NO EXTERNAL Vdc CONNECTION 8 9 NOT USED 10 Fig 5 MCU Input Terminal Block TO HEAD 1 TO HEAD 2 Fig 6 MCU Output Terminal Block 28 Jan 2014 SAL 1030 I Connections at the Junction Boxes Communications and ac power conductors are brought into the Junction Boxes through the 2 inch EMT columns supporting them Five conductor color coded harnesses carry communications and dc power from the Junction Boxes to the Optical Heads The electrical connections at station A the Master location are shown in Figure 7 JUNCTION BOX FOR STATION A olololololololololo O O B 5 CONDUCTOR HARNESS TO HEAD HARNESS THROUGH METALLIC WATER TIGHT FLEXIBLE CONDUIT IS PRE ATTACHED AT THE HEAD ASSEMBLY I BK RD
19. conduit for electrical wiring But this also allows air to be freely exchanged between the in ground can and the MCU enclosure which is exposed to the atmospheric environment This can lead to the formation of condensation on the inside walls of the enclosure and on components within the enclosure during certain conditions of atmospheric temperature and humidity The MCU is shipped with a foam plug that is slotted to allow wire passage This plug will prevent the free exchange of air between the in ground can and the MCU enclosure Failure to install this plug or to provide other means of preventing free air exchange will void the equipment warranty 2 INCH EMT TT JL COMPRESSION 2 INCH EMT SECTION FITTING d supplied by others 2 INCH EMT FRANGIBLE COUPLING WITH NPS NPT JL d THREADS IL 2 INCH NPS NPT FLANGE uu supplied by others 1 1 Figure 2 MCU Mounting Details 28 Jan 2014 SAL 1030 I The Optical Heads Junction boxes and Optical Heads are shipped unattached and must be joined together during installation but the Junction Boxes should be installed before the Optical Heads are attached Parts needed for this procedure at each emplacement e Optical Head e Junction Box e 2 inch EMT gt Length determined by site requirements gt Not furnished with equipment H e Frangible coupling with compression fitting HOR AIMING SCALE Installation overview The Optical Heads are mounted onto Junction Bo
20. ed The horizontal scale is now referenced to the runway e Install the Optical Head onto the Junction Box by setting the head s hub over the mounting post on the top surface of the J B e Lightly tighten the hub s two hex head bolts Do not turn the setscrew It has been properly set at the factory e Rotate the head until the pointer rests on the horizontal offset angle defined for this emplacement and firmly tighten the two hex head bolts Vertical The head is secured vertically by a zero backlash turnbuckle Turning the body of the turnbuckle tilts the head In normal operation the head will be pointing somewhat upwards that is above the horizon You should avoid tilting the head to point below the horizon because the turnbuckle end fittings can become disengaged which would allow the head to swing freely on its pivots You will use the spirit level residing in a cavity just above the vertical pointer to zero the vertical scale To zero the vertical pointer e Rotate the body of the turnbuckle until the level bubble lies symmetrically between the two reference lines e Loosen the setscrew that holds the vertical pointer and set the pointer to 0 on the scale e Tighten the setscrew while the pointer rests on zero Use the turnbuckle to set in the vertical aiming angle prescribed for this emplacement 28 Jan 2014 SAL 1030 I COMM LINES JUNCTION BOXES HOUSE ee lia CURRENT TO DC VOLTAGE S CONVERTERS MASTER CONT
21. he factory controls flash rate There are no selective programming requirements that must be set in at the field The light beam is slightly greater than 10 vertically by 30 horizontally This beam coverage is formed by the composite effect of an array of high performance white LEDs The array is monitored in such a way that a failure of a complete row or column or a combination that exceeds a certain number of LEDs at random locations will turn on an alarm signal light and cause an alarm relay to operate The alarm relay is for external remote distribution Certain Error Codes are generated as a result of monitoring These are displayed intermittently on the four segment numerical display THEORY OF OPERATION The SAL 1030 I REIL is a micro controller based system consisting of two Optical Heads and a Master Control Unit MCU Each Optical Head consists of an array of 60 optically enhanced high performance LEDs arranged geometrically to form a vertical beam coverage of at least 10 and a horizontal coverage of at least 30 The MCU has a single micro controller card LSM card for all input and output functions An RS 485 data bus provides communications between the MCU and the Optical Heads A micro controller card in each head communicates with the LED arrays in that head collecting status information to send back to the LSM card Each head is identified by an address code for data tagging at the MCU A low capacitance data tra
22. inals verify that primary power is present at terminals L1 amp L2 With primary power present but no dc voltage the power supply is defective and must be replaced e Ifthe de voltage checks OK then the problem could be in the Comm cable or connections e If de voltage is present and the LEDs are on steady mode but a portion of the array is unlit the problem resides within the head Contact Customer Service at SAL Technology if this condition has been ascertained 18 28 Jan 2014 SAL 1030 I MAINTENANCE The following tips will help assure long reliable operation Keep door and cover seals in good condition Repair or replace any that are damaged Inspect and maintain grounding at each emplacement Keep earth grounds separate from any counterpoise conductor Be sure there is no free air exchange between an in ground chamber and the MCU Be sure there is no free air exchange between an in ground chamber and a Junction Box Periodically check the tightness of terminal block clamping screws Inspect the flexible conduit between the Optical Heads and associated Junction Boxes Repair or replace any damaged conduit or fitting 19 28 Jan 2014 REPLACEABLE PARTS Ir PCB 101 ASS Y 301 CABLEACCESS TB101 RSS C S S a S S Z JR sz GS101 GS102 Ed jx 7S8 Of 5 L 2 a 8 S GE NC C NO 5 L olelelo 3 8 O o A ALA
23. light positions Zero the Horizontal Scale at each light emplacement Install each Optical Head onto its Junction Box with the Horizontal Pointer at the prescribed offset angle obtained from site drawings Level the Optical Head and Zero the Vertical Pointer Set the prescribed elevation angle at each head Install the Master Control Unit may be done at any point in the sequence Make electrical connections Equipment Access e The cover to the MCU is secured by quarter turn latches with padlock provisions on the two front corners of the enclosure e Each light emplacement has an Optical Head and Junction Box e Each Junction Box has a removeable cover secured by captive screws at each corner Optical Heads do not have to be accessed for installation 28 Jan 2014 SAL 1030 I The Master Control Unit See Figure 2 Accessories needed but not shipped with the equipment due to variable site requirements e 2 inch EMT length as required to set the MCU at its designated or preferred height above local terrain The Master Control Unit MCU is provided with a factory installed compression fitting for 2 inch EMT at the bottom surface of the enclosure A length of 2 inch EMT is needed but typically provided by others unless designated as an accessory item at the time of purchase IMPORTANT NOTICE When the MCU is supported by the cover of an in ground can the EMT support is generally open to the can and serves as a
24. nsmission line suitable for RS 485 drivers and receivers can support satisfactory communications at the baud rate of this system for up to 4000 feet While the heads communicate only with the MCU the MCU has connections outside of the system such as primary power and optionally a remote alarm activating circuit These lines may be subjected to voltage surges or other electrical disturbances The externally connected lines are provided with over voltage protection within the MCU Similar surge protection guards the RS 485 data bus to the Optical Heads The MCU is powered by a 24 Vdc switchmode power supply driven by constant current from a CCR Each Optical Head is powered by a 50 Vdc switchmode power supply located in a Junction Box part of each head emplacement The Head Controller cyclically scans the LED array collecting temperature voltage and flash information An alarm signal is generated if either head develops an operating condition that falls below a prescribed safe level EB67D Examples are more than 11 20 failed LEDs in a single head or an incomplete column or row of LEDs A fail safe Alarm Relay that can be used for remote alarm signaling is also activated 12 28 Jan 2014 SAL 1030 I OPERATING INSTRUCTIONS See Figure 10 Controls SW 101 which is a cover activated interlock switch controls primary power The plunger of SW 101 may be pulled up to energize the MCU for service There are two switches in the MCU f
25. of the internal signal circuit that may be carried if necessary from one light unit to another This system derives its power from Isolation Transformers and is thus not referenced to earth through the source of power The communication lines are also isolated and not referenced to ground Thus each station is electrically isolated by design but it is necessary to provide a grounding rod at each location in order to achieve satisfactory lightning protection The grounding rod is connected to metallic housings or to internal metallic structures This is depicted in Figure 8 HEAD 1 HEAD 2 Fig 9 GROUNDING THIS EQUIPMENT TO A COUNTERPOISE CONDUCTOR COULD INCREASE THE RISK OF LIGHTNING DAMAGE THIS COMPLETES INSTALLATION INSTRUCTIONS 11 SAL 1030 I 28 Jan 2014 SAL 1030 I FUNCTIONAL DESCRIPTION The SAL 1030 I REIL is a Style A E current powered system consisting of two Optical Heads and a Master Control Unit MCU Each head has an associated Junction Box that contains a dc Power Supply The heads receive flashing and other operating commands from the MCU and send monitored status information in return Selected operating parameters are shown visually on a numerical array accommodating values up to 8888 See Figure 10 Operation is typically automatic but flash intensity functions can be set in manually for checkout purposes The two Optical Heads flash simultaneously upon a single command from the MCU Programming set in at t
26. or operating control The MODE CONTROL rotary switch SW 102 selects operating modes manual or automatic remote The INDEX pushbutton switch SW 103 selects parameters for the four digit numerical display The operating modes from SW 102 are REM Remote Off MAINT Maintenance LOW MED Medium HIGH Use REM to control flash intensity from CCR current level via the Current Sensing Module Use OFF to inhibit flashing while the system is energized Use MAINT to operate the heads in a low level steady non flashing mode May help to identify the location of a non operating LED Use LOW to flash the LEDs at Low intensity Use MED to flash the LEDs at Medium intensity Use HIGH to flash the LEDs at High intensity Depressing the INDEX switch cycles the status LEDs and the data displayed on the numerical LED array VOLTS When lit the numeric array displays the average voltage across each group of 12 LEDs in both heads combined TEMP When lit the numeric array displays the average operating temperature of the LEDs in both Optical Heads combined HOURS When lit the numeric array displays the total no fault operating hours at HIGH intensity To activate the system when the cover to the MCU is open and primary power is applied e Pull the Interlock Switch up Service mode e Turn the Rotary Switch to any of the positions below gt MAINT gt LOW gt MED gt HIGH To activate the system for Normal Operation
27. pot on PCB301 slowly CW until the adjacent LED turns on gt The HIGH LED on PCB301 should also illuminate gt The MED LED on PCB301 should remain off gt The HIGH LED on PCB101 should turn on Set the CCR to Step 4 gt The HIGH amp MED LEDs on PCB301 should turn off gt The mode indicating LEDs on PCB101 should be off Re adjust the LOW potentiometer on PCB301 for the turn off condition if necessary SAL 1030 I 17 28 Jan 2014 SAL 1030 I TROUBLESHOOTING Problems addressed in this section fall into two broad categories Those encountered upon initial turn on following installation and evolving problems that occur after the system has been operating properly for any length of time The most common problem that will likely be encountered is a failure to flash This could involve either one or both Optical Heads A Problems occurring at installation The most common problems occurring when a system is first turned is failure to flash at all and Remote Control problems 1 Failure to Flash A number of conditions could cause initial failure to flash e Upon applying power observe whether the numeric display and status LEDs on the Master Control Board light up If not check the source of primary power e Make sure the Mode Selector Switch in the MCU is set to REM e Check both Comm lines to verify that Comm A in the MCU TB102 goes to Comm A in the respective remote Junction Box TB201 and that Comm B similarly goes to
28. t Current Sensing Module CCR Constant Current Regulator EMT Electrical Metallic Tubing JB Junction Box LSM Light System Master a circuit card MCU Master Control Unit NPS National Pipe Straight thread not tapered NPT National Pipe Tapered thread REIL gt Runway End Identifier Lights SLC Series Lighting Circuit DISCLAIMER The information in this manual is believed to be accurate and up to date however Strobe Approach Lighting Technology assumes no liability for damages or injuries that may result from errors or omissions or from the use of information presented herein Strobe Approach Lighting Technology reserves the right to modify this manual at its own discretion without notification to any person or organization SAL 1030 I 28 Jan 2014 APPLICABLE SPECIFICATIONS This equipment meets or exceeds the requirements in the FAA Advisory Circular AC 150 5345 51B and EB 67D WARRANTY Strobe Approach Lighting Technology warrants this equipment and all of its components when used under normal conditions Failure of any component within one year from the date of shipment will be corrected by repair or replacement FOB Manlius NY 13104 USE OF GENERIC PARTS Using parts not manufactured or supplied by Strobe Approach Lighting Technology or unauthorized modification of any part of this equipment voids the warranty and could render the equipment noncompliant with applicable FAA specifications IMPROPE
29. trical connections at station B are shown in Figure 8 JUNCTION BOX FOR STATION B TB201 5 CONDUCTOR HARNESS TO HEAD HARNESS THROUGH METALLIC WATER TIGHT FLEXIBLE CONDUIT IS PRE ATTACHED AT THE HEAD ASSEMBLY xoi Ne POWER FROM LOCAL L 830 4 L 823 Cord Set ISOLATION TRANSFORMER Z EJ AT STATION B COMM CABLE COMM A FROM TB102 IN THE MCU COMM B HEAD 2 CGi DENOTES A TWISTED P AIR SHIELD SHIELD TIED AT DENOTES AN OVERALL SHIELD MCU END ONLY THE COMM CABLE MUST CONSIST OF A MINIMUM OF ONE TWISTED PAIR OF CONDUCTORS AND AN INDEPENDENT CONDUCTOR FOR CGi ISOLATED GND PLUS AN OVERALL SHIELD THE SHIELD MUST BE TIED TO CH GND AT THE MCU END ONLY A SECOND TWISTED PAIR JOINED AT THE ENDS AS A SINGLE CONDUCTOR MAY BE USED FOR CGi SAL 1030 I Fig 8 Junction Box at Station B The electrical connections at this Junction Box are similar to those described for station A but the ac power originates directly from a local L 830 18 Isolation Transformer instead of from the MCU Furthermore the connections are not polarity sensitive therefore the two conductors of the L 823 cord set may be arbitrarily connected at TB201 1 amp 2 Output connections to the head are the same as those already described for station A 10 28 Jan 2014 Lightning Protection System grounding and lightning protection are two different electrical circuits that should never be interconnected Grounding is part
30. xes and located on each side of the runway near the runway threshold Location details are typically obtained from drawings provided by others Each Junction Box is supported by a single 2 inch section UB of EMT and various couplings as shown in Figure 3 The length of the EMT will generally be different from site to site therefore it is not furnished with the equipment The length is usually chosen to achieve a certain overall height 2 INCH EMT above grade as called out on site drawings provided by c others REQUIREMENTS The MCU and one of the light units are intended to be co SUPPLIED BY OTHERS POINTER located at an emplacement with two threaded receivers separated by 8 inches 203 mm center to center This is R FRANGIBLE considered to be the Master station COUPLING WITH 2 INCH Mounting and Assembly Details Refer to Figure 3 COMPRESSION Use the following procedure as a guide FITTING e Install the frangible coupling onto the ground attachment device typically an in ground can cover or a threaded floor flange bolted to a concrete pad e Install the EMT and securely tighten the compression fitting TO THREADED GROUND ATTACHMENT Fig 3 Typical Head Mounting Details e Set the Junction Box onto the upper end of the EMT and lightly tighten the two hex head bolts Firm tightening will be done later during the aiming procedure Do not turn the setscrew It has been properly set at the factory
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