Francis Searchlights A7154 Скачать руководство пользователя страница 42

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7- Fault Finding

All fault finding must be conducted by a competent person or qualified Electrical Engineer.

Please refer to the following table for the trouble-shooting of Xenon lamps.

Fault

Cause

Remedy

◼

Wrong Polarity

◼

Lamp incorrectly fitted

◼

Faulty wiring

◼

Anode (large electrode)
must always be on top in
vertical burning position

◼

Check polarity, transpose
connections if necessary

◼

Cap overheated

◼

Cap temperature above
230°C

◼

Faulty contacts

◼

Cooling equipment
defective

◼

Check terminals, tighten or
renew

◼

Check cooling equipment

and replace if necessary

◼

Arc unsteady

◼

Lamp operated outside
current control range

◼

Magnetic stabilisation for

horizontal operation
defective

◼

Correct current setting

◼

Check magnetic
stabilisation

◼

Bulb draws in air

◼

Crack in graded seal
caused by overheated cap

◼

Maximum cap temperature

230°C

◼

Check terminals - tighten
or renew

◼

Glass erosion on fused
quartz bulb

◼

Lamp operated outside
current control range

◼

Lamp service life
exceeded

◼

Correct current setting

◼

Check meter

◼

Electrodes damaged

◼

Premature blackening

◼

Current ripple too high

◼

Auxiliary mirror incorrectly
adjusted

◼

Have power supply

inspected

◼

Adjust auxiliary mirror

◼

Asymmetrical blackening
of lamp (in horizontal
burning position)

◼

Lamp operated too long in
same position

◼

Turn lamp through 180°
after half service life

Содержание A7154

Страница 1: ... Reference Number A7154 Variable Speed Motor Unit 240v Manufacturer s details Distributor details Manual Part Number C28039 17 1 19 Issue 1 Francis Searchlights Ltd Union Road Bolton Lancashire BL2 2HJ UK Tel 44 0 1204 558960 Fax 44 0 1204 558979 http www francis co uk E mail sales francis co uk ...

Страница 2: ...ety Precautions 3 Technical Information 4 Unpacking and Installation Instructions 5 Electrical Installation 6 Operating Instructions 7 Fault Finding 8 Maintenance and Servicing 9 Wiring Diagram General Assembly 10 Spare Parts List ...

Страница 3: ...timum performance and service life The Francis Xenon range combines features proven over many years service in the most hazardous conditions in both marine and land installations In order to prolong the life and performance of your product we recommend that you only specify Francis Searchlights spare parts This will also ensure that any warranties on your equipment will not be invalidated Informat...

Страница 4: ...r turning the searchlight off Never place anything on or cover the searchlight when in use Ensure the lamp has cooled sufficiently before removal If undue force appears necessary to remove the lamp the equipment should be inspected by a competent person or contact the manufacturer When disposing of lamps there are several options available Return the lamp via the supplier to the lamp manufacturer ...

Страница 5: ...e searchlight also performs to the following optical data Xenon light source Lamp Wattage 2000 Watts Supply voltage 220v 240v Peak Beam Candlepower 90 364 036 lux Range 9 506 metres Divergence 1 5 spot to 10 flood Temperature range 50 C In order that the searchlight operates correctly it is imperative that competent personnel are responsible for the installation operation and servicing of this equ...

Страница 6: ...roperly accomplished Receiving the Power supply The units are shipped with the power supply bolted to a shipping skid and enclosed in a heavy cardboard cover held in place by banding Physical damage to the container or its contents should be reported to the carrier immediately Unpacking Cut the banding strips and lift the cardboard cover off of the unit Remove the four bolts holding the power supp...

Страница 7: ...ry the D C output of the power supply to the lamp house Reversed polarity will immediately destroy the xenon bulb upon application of power Warning When the electrical installation is complete there are two sources of primary power within the unit Turn off all power when adjusting or servicing the power supply Warning This unit can run warm to very hot Allow at least 15 minutes after turning off t...

Страница 8: ... clamp on the insulation rather than the bare wire Be sure to tighten the connector screws Routine maintenance Warning The power supply has two sources of power Turn off power before servicing the unit Warning This unit can run warm to very hot Allow at least 15 minutes after turning off the power for the unit and its components to cool down before attempting any service procedures At 6 month inte...

Страница 9: ...ht Disable the lamp house ignitor by removing primary power to the ignitor Connect your VOM to the power supply D C output Observe polarity Turn on the power supply If you read 110 VDC or more the boost circuit is operating If the D C voltage is low on the order of 50 volts it is likely that diodes 5 and or 6 have failed Current limiting resistor R1 may be open C Main power supply Power supply ban...

Страница 10: ...x 1 scale With the meter leads connected in one direction the reading should be zero or close to it reversing the meter leads the indication should be a very high resistance If the diodes do not exhibit these characteristics replace it If you have removed a diode from its heatsink or you are installing a new diode observe the following instructions Clean the area of the heatsink in which the diode...

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Страница 13: ...Back To Top ...

Страница 14: ...e being installed Installation procedures should be adhered to in order to ensure a safe working environment and reduce the risk of damage or personal injury Preparing the Mounting Position Mark out and drill the fixing holes through the deck refer to drawing C21501 If anti vibration mounts are to be fitted the fixing holes for the mounts should also be marked out and drilled Prior to manoeuvring ...

Страница 15: ...re working on the electrical system 2 The searchlight must be connected to a fused electrical supply using suitably sized cable 3 If the searchlight is located a considerable distance from the mains supply provision must be made in the cable size in order to overcome the voltage drop The PSU should NOT be positioned no more then 5 meters away from the searchlight The following table below indicate...

Страница 16: ...he junction box Basic Operation When the searchlight is switched on a supply is fed to the PSU and linked to the ignitor Also from the PSU a dc output is fed to the lamp The ignitor ionises the gas within the lamp and this strikes the light All other facilities are fed via the joystick panel and motor gearbox When the light is in operation the output from the PSU should be approximately 24v dc at ...

Страница 17: ...plied separately using the M8 x 10 grub screw J 6 The lamp can now be inserted with the lamp holder socket into the lamp holder rear I the negative cathode end of the lamp is towards the rear of the searchlight 7 On the rear lamp holder tighten the knurled screw G onto the lamp holder socket H to hold the lamp in position 8 Fasten the front lampholder mounting block back in position it will be nec...

Страница 18: ...Back To Top ...

Страница 19: ... the movement of the joystick It is possible to move the beam in both directions at once by moving the joystick diagonally Home The lamp can be returned to a pre set home position By default this is dead ahead with the beam level although different positions can be programmed as described below To send the lamp to the home position switch the panel off then press the LAMP button Set New Home Posit...

Страница 20: ...ill indicate them in sequence 1 Pan Limit Either of the pan limit switches operated Note that this may not actually be a fault The LED will flash when a limit switch is operated under normal circumstances i e the lamp is at the limit of travel This will also indicate when a variable limit is reached 2 Tilt Limit Either of the tilt limit switches operated Note that this may not actually be a fault ...

Страница 21: ...ntrol card for a period 8 Limit Switch Error Some lamp types do not use all or some limit switches If an invalid limit switch input is detected it is probable the speed control card is set to the wrong product or there is a wiring error 9 Datum Error The start up datum system has not completed correctly 10 Product type not set or corrupt The product type has not been set has been set incorrectly o...

Страница 22: ...s mechanical stresses MUST be avoided Ensure that the spring contacts firmly surround the pins on the cap of the lamp Do not apply unnecessary force when tightening the screws After inserting the lamp ensure that there is sufficient axial play in the lampholder The lamp must be capable of unimpeded expansion when it warms up to operating temperature Mechanical forces must not be applied to the fus...

Страница 23: ...average lamp life and not later than 1 25 times they re average lamp life After this time there is an increased risk of the lamp exploding 3 The anode positive cap marked must be on top when the lamp is inserted in the vertical position If the anode is incorrectly inserted the arc will be unstable the bulb will blacken more quickly and the lamp will prematurely fail 4 The HT lead from the high vol...

Страница 24: ...ack Wire ER Pan Encoder Red Wire 5V EG Pan Encoder Green Wire Phase A Output EW Pan Encoder White Wire Phase B Output 0V Pan Encoder Black Pan Limit Switch Common CL Pan Clockwise Limit Switch Orange Wire As viewed looking down on lamp AL Pan Anticlockwise Limit Switch As viewed looking down on lamp HEAD CONNECTOR 0 0V Common for Heater Focus If Searchlight has an igniter terminal is not used H He...

Страница 25: ...FBUS Speed Control Board ...

Страница 26: ...0 OV Supply Input T Line Terminate Connect to for terminate FBUS RS485 Data In Out FBUS RS485 Data In Out 24 24V Supply Input JOYSTICK CONNECTOR BK Joystick Black Wire Y Joystick Yellow Wire BL Joystick Blue Wire R Joystick Red Wire FBUS JOYSTICK CONTROL BOARD ...

Страница 27: ... the lowest value to the right The values for each switch are listed below SPEED CONTROL CARD LAMP ADDRESS SWITCH NUMBER VALUE SWITCH 4 16 SWITCH 5 8 SWITCH 6 4 SWITCH 7 2 SWITCH 8 1 STANDARD CONTROL PANEL LAMP ADDRESS SWITCH NUMBER VALUE SWITCH 1 16 SWITCH 2 8 SWITCH 3 4 SWITCH 4 2 SWITCH 5 1 STANDARD CONTROL PANEL PANEL ADDRESS SWITCH NUMBER VALUE SWITCH 1 8 SWITCH 2 4 SWITCH 3 2 SWITCH 4 1 Swit...

Страница 28: ...should be set to 0 1 and 2 Control panel panel addresses use the same system being sequential and start from zero It is essential that all lamp have a unique address with no duplication It is essential that all panels have a unique address with no duplication however note that lamps and panels can be the same address For example on a system with two panels and two lamps the panel addresses will be...

Страница 29: ... ranges with panels being addresses 0 15 and lamp addresses starting at 16 and going up to 56 A lamp whose address was set to 0 on the address switches will actually be address 16 and would be transmitted as hex 110 or binary 100010000 If lamp 0 is active this becomes the bus master and sequentially transmits the full address range No other units will transmit until they receive their address Each...

Страница 30: ...ckwise Increasing the value will make the lamp move faster A value of 126 will make the lamp rotate slowly anticlockwise Decreasing the value will make the lamp move faster Transmitting values 01 then C0 would make the lamp pan clockwise at full speed DATA_TILT_JOYSTICK Hex 02 This is a two byte command and must be immediately followed by another byte whose value determines the lamps direction and...

Страница 31: ...P Hex 0F This is a single byte command which activates when the home button is pressed and held for 5 seconds Home Long Press This is used to store a new home position A lamp receiving this command will store the current position as the value to move to when the home button is pressed normally Note that a lamp can only receive up to 10 bytes at a time A panels transmit sequence is the modified rec...

Страница 32: ...ust transmit its first data byte pan position within 1mS of receiving its standard address and the gaps between successive bytes must be less than 1mS Lamp TX Byte 1 Pan position LSB Lamp TX Byte 2 Pan position MSB Lamp TX Byte 3 Tilt position LSB Lamp TX Byte 4 Tilt position MSB Lamp TX Byte 5 Lamp status Lamp TX Byte 6 CRC Each byte is described below Pan Position This is a 12 bit value with lam...

Страница 33: ...he next six bytes which will comprise the lamps transmitted data as described above A detailed description of transmitting and receiving is described below TRANSMITTING TO A LAMP Basically any sending device mimics a control panel The full range of panel transmit commands as described above can be employed Data can be sent to any lamp on the system Two transmit examples are listed below EXAMPLE 1 ...

Страница 34: ...on Overview The FBUS motor control card has a status LED near the centre of the card labelled STATUS This has a number of functions as detailed below SOFTWARE VERSION When power is applied to the speed control card the status LED will flash green The number of flashes corresponds to the software version FBUS NORMAL OPERATION When the system is operating from FBUS the status LED will illuminate sta...

Страница 35: ...current The focus motor is taking excessive current The motor will be disabled for a period when this occurs Fault indication will remain until power is removed or the fault is corrected 6 FBUS interface over current The speed control card supplies 24VDC to the remote control panels This fault indicates the 24VDC output is taking excessive current The FBUS supply output will switch off To restore ...

Страница 36: ... unit transmit connections The RS232 connector is configured as a DCE and has all handshake lines looped No flow control is required The connections are listed below 1 Line signal detect linked to pins 4 and 6 2 TX out 3 RX in 4 DTE linked to pins 1 and 6 5 0V 6 DCE Ready linked to pin 1 and 4 7 CTS linked to 8 8 RTS linked to 7 9 No Connection OPERATOR INTERFACE The operator interface is very sim...

Страница 37: ...ET DATA RATE This item selects the data rate for the external interface SET DATA CHECKING This is used to enable or disable received data checking for the external interface Switching data checking off can be useful during external interface development Note that this does not affect data checking transmitted to the external interface from the interface unit and does not affect FBUS data checking ...

Страница 38: ...f the command sent is not valid FBUS SUPPLY This just indicates the FBUS supply voltage FBUS operates at 24V Values above 30 or below 18 indicate something is wrong EXTERNAL DATA INTERFACE RECEIVED COMMANDS The external data interface uses command data packets with between four and six bytes including the CRC The system uses standard 8 bit data transfer with 1 start bit and 1 stop bit Data is sent...

Страница 39: ...ress command speed CRC The speed value is between 0 and 127 Value 0 stops tilt motion Increasing values make the lamp move progressively faster Transmitting codes Hex 0xFF 0x92 0x16 0x7F would make lamp 2 move down at full speed DATA_TILT_UP 0x17 This is a five byte command Sync Lamp address command speed CRC The speed value is between 0 and 127 Value 0 stops tilt motion Increasing values make the...

Страница 40: ...dress command CRC The lamp will switch on when this code is received DATA_LAMP_OFF 0x1B This is a four byte command Sync Lamp address command CRC The lamp will switch off when this code is received DATA_RECORD 0x0D This is a four byte command Sync Lamp address command CRC The lamp will start recording motion and lamp on off data when this code is received DATA_PLAY 0x0E This is a four byte command...

Страница 41: ... the transmitted data would be 0xFF 0x90 0x0B The addition of these values gives 0x19A The CRC would therefore be this value radix to 7 bits to give a value of 0x1A this value is the CRC and would be sent as the last byte of the packet DATA TIMING Data packets can be sent up to 10 times per second Each packet starts with the lamp address which is the only value with bit 8 set The remaining bytes s...

Страница 42: ...sary Arc unsteady Lamp operated outside current control range Magnetic stabilisation for horizontal operation defective Correct current setting Check magnetic stabilisation Bulb draws in air Crack in graded seal caused by overheated cap Maximum cap temperature 230 C Check terminals tighten or renew Glass erosion on fused quartz bulb Lamp operated outside current control range Lamp service life exc...

Страница 43: ...losive atmosphere 3 Before a xenon lamp will ignite the electrically insulated gas between the electrodes must be ionised This is done by the ignitor which produces a high frequency voltage up to 32 000 volts or higher The ignitor is activated by switching the lamp on and a crackling or hissing noise should be heard The ignitor is housed within the rear of the searchlight barrel This is a totally ...

Страница 44: ...be adhered to Remove the front bezel Clean the front glass inside and out using a proprietary glass cleaner Clean the reflector if required Check the reflector mounting gaskets If signs of corrosion or damage are evident replace as necessary Ensure that the lampholder is free from corrosion or other damage Check earth point for conductivity It is advisable to check all seals and gaskets for signs ...

Страница 45: ...9 Wiring Diagram and General Assembly Drawing Number Description C27401 Wiring Diagram A7154 General Assembly drawing C28049 Joystick Panel Assembly C27583 Junction Box Assembly ...

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Страница 50: ...h no lever C22382 00 Micro switch with lever C27556 00 24v Power Supply Unit C27187 01 Speed Controller PCB C22381 00 Pedestal Top Sealing Gasket C26441 00 Pedestal Cover Gasket Joystick Panel Spares C26537 00 Joystick C27268 00 Joystick Controller PCB In order to prolong the life and performance of your product we recommend that you only specify Francis Searchlights spare parts This will ensure t...

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