lm-101 light monitor specifications
Contents
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5. CRO tete tret pereas SI Detector 052 KS PMT TOLELOZ BRE Ee BASIC DESCRIPTION The LM 101 Optical Monitor provides the optimum in economical deposition control using optical parameters Automatic phase locking and zeroing simplify operation Digital offset and 10 to 1 scale expansion provide unparalleled resolution Visible and IR range are available Available options include monochromators and PMT detectors from 180 nm to 850 nm with internal stable power sources and preamplifiers LIMITED WARRANTY This LM 101 Light Monitor is warranted against defects in materials and workmanship for a period of one year from the date of shipment to the original purchaser This warranty will be void if the instrument is not properly operated under conditions of normal use and if normal and accepted maintenance protocols are not performed Defects resulting from or repairs necessitated by improper installation misuse negligence accident or corrosion of the equipment or any cause other than defective materials or workmanship are not covered by this warranty No other warranties are expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose EDDY Company is not liable for consequential damages resulting from the use of its equipment Purchaser s sole and exclusive remedy under the above warran
6. Instruction Manual MANLM101070C REV 00202 LM 101 LIGHT MONITOR Eddy Company 13590 Niabi Road Apple Valley CA 92308 Phone 760 961 8457 Fax 760 961 8458 Internet address www eddyco com eddyco com TABLE OF CONTENTS GENERAL INFORMATION Basic Deep sa Limited Warranty Unpacking User Responsibility Operator Sale NG DESCRIPTION AND SPECIFICATIONS Front Panel DeSCtIpOOD SNES Rear Panel Description vasene INSTALLATION AIS Initial Operation Checkout Ne CALIBRATION PARAMETERS Recorder Acc DutpubC alibratton vassere GS Output Offset Calibration EUIS LIH ERR IRE ERIS EIgctronte Zero oe oa do ea Meter Calibration intet Source Light Voltage Adjustment RN Filter Phase Adjustment odes dat Filter Tunns Procedure SESSA IR Power SUPPIV etae Glass IR Detector Adjustment ENGINEERING DRAWINGS Complete Schematic SChLM1010001 Main Board Layout LMIOIASYOOOB IR Power Supply SCHLM1010004 eee IR Power Supply Layout LM101ASY0004 Monochromator SCHLMIOIMROS eee IR Detector Amp SCHLM101
7. R10 IR POWER SUPPLY Turn on the POWER and then the SOURCE switch of the LM 101 Set R5 on the IR board to give maximum voltage across C10 Set R12 to give 95 0 volts across C10 Set R5 to give 108 0 volts across C10 Set R15 to make an voltage out equal about 47 5 volts IR DETECTOR ADJUST Turn power on Block all light from the detector LM 101 GAIN to 1000 Adjust R41 to give zero voltage out With normal signal into the detector adjust R5 to give zero voltage at junction of C3 R5 and the detector 10 V O6 PZ OL HIM q 2 100010 LWIHIS 7 12318 AO ANOLE T 3431dW03 pnm oy de siu Pia 4558196 097 WI ATTA 31449 585 10191 BOE 20 ed r 022 ast 13313 ASZ ANAL i i 22224 a 71 ZEB io nde a 2 orm 49313 ASZ ana 908291 em FO A Fio v o SET A sd it og rozar oze E5 anor noe
8. TAGE RANGE 105 125 VAC 50 60 Hz 2 amps LINEARITY Better than 05 LAMP STABILITY Voltage 0 1 if input power is 105 125 VAC Voltage 0 05 C degrees of environmental temperature COMPENSATION RANGE gain 5 times ten turn vernier potentiometer RECORDER OUTPUT 100 mv with expansion of 1x 2x 5x and 10x DETECTORS VISIBLE UV enhanced selected low noise silicon detector and preamp Range 15 350 1100 nm INFRARED PBS detector with a range of 1000 to 3000 nm Includes a low noise power supply retrofitted in the Light Monitor 47 5 VDC 47 5 VDC SOURCE POWER 10 5 11 5 VDC regulated to 01 INITIAL STARTUP 1 Read the manual 2 Connect all shipped parts 3 After reading the manual establish that all the connected instruments are working properly INITIAL OPERATION CHECKOUT 1 Mount the Source and the Detector on a vibration free support 2 Connect the Source to the Monitor and the Detector to INPUT A 3 Position all toggles switches down all selector switches CCW and set OFFSET to zero 4 Turn on the power 5 Red LED will light up and indicate power is on 6 Turn on the SOURCE up I Green LED will light indicating the lamp and power supply are operating 8 Place Detector switch in the position 9 Press ZERO and hold down The light path will be blocked and the INTENSITY reading will electronically zero 10 Increase the MULTIPLIER coarse adjustment and the GAIN fine adju
9. e HIGH VOLTAGE WARNING signs are posted in the service area 2 Remove rings watches bracelets and any other metal jewelry before working around high voltage 3 DO NOT WORK ALONE 4 Be sure all equipment is connected to a power source that has the correct polarity and grounding as prescribed by the local electrical codes 5 Before servicing equipment be sure it is switched off at the main power switch This switch should have a lock out feature 6 Use a grounding hook to discharge any electrical parts that hold a lethal voltage after shutoff Be sure these parts are discharged before attempting any repairs 7 Do not touch any high voltage leads unless the power is off and a grounding hook is connected to the parts being serviced 8 This instruments high voltage components are equipped with electrical interlocks to protect personnel from injury DO NOT ATTEMPT TO DEFEAT OVERRIDE OR BYPASS THESE PROTECTIVE DEVICES 9 Never leave loose ends on high voltage devices C on ens O s ET ord 9 seg 2 LM 101 m o 2 POWER ON Turns on power to unit Red LED indicates power supplies are functional SOURCE Turns on lamp power supply and IR Detector power supply Green LED indicates source lamp and power supply are working INTENSITY Selects one of two pre set power settings for the lamp Low 10 5 volts 2000 hours life High 11 5 volts 100 hours life DETECTOR In t
10. he up position this connects input A to monitor down connects input B to the monitor MULTIPLIER Decade gain switch for establishing optimal range GAIN Fine gain adjustment The gain has a ten turn potentiometer with gain from 1046 to 10096 TIME CONSTANT Adjusts the dynamic response of the units in seconds INTENSITY 3 1 2 digit linear display of light intensity OFFSET Shifts zero reference of light reading signal METER SWITCH In the up position it connects offset signal to digital display reducing the reading by the amount of the offset OUTPUT SWITCH In the up position subtracts offset switch to recorder output ZERO Press to block light path and electronically zero unit RECORDER EXPANDER FRONT PANEL Multiplies intensity signal by the factor selected scale expansion REAR PANEL INPUT A INPUT B RECORDER SOURCE FUSE 1 FUSE 2 POWER Connects detector to monitor and provides preamp and gain changing power Connects detector to monitor and provides preamp and gain changing power Provides 0 100 mv DC output signal proportional to display reading It may be changed to give 0 10 mv 0 1 to 0 10V by changing 1 internal resistor Provides lamp chopper beam flag and sync power Primary fuse power Lamp power fuse 3 prong 105 125 VAC 50 60 HZ power input LM 101 LIGHT MONITOR SPECIFICATIONS CABINET 3 1 2 X 19 X 9 deep WEIGHT 18 158 SHIPPING WEIGHT 22 Ibs AC INPUT VOL
11. rization RMA number UNPACKING 1 Completely unpack the instrument Your LM 101 was released to the carrier in good condition and properly packed It is essential to examine the contents of the shipment to ensure that no damage occurred during transit 2 Compare the shipped materials to the packing list Items included with your LM 101 are LM 101 Light Monitor Operation and service manual Power cord Installation kit Strip chart recorder cable 1 2 amp SB fuse 1 6 amp SB fuse 3 Call EDDY Company first if there are any problems Phone 760 961 8457 FAX 760 961 8458 USER RESPONSIBILITY This equipment will perform in accordance with the instructions and information contained in the user s manual when the equipment is installed operated and maintained in compliance with the instructions Equipment should be checked periodically routine maintenance performed and broken or non working parts replaced immediately The user purchaser shall have sole responsibility for any malfunctions resulting from their improper use or lack of maintenance of the equipment OPERATOR SAFETY DANGER Potentially lethal voltages may exist within this unit even with the power shut off Only qualified personnel should attempt service Failure to observe all safety precautions may result in personal injury Observe the following precautions when servicing this instrument because of the potential high voltage 1 Make sur
12. stment to get the desired reading 11 Block the beam and note the rate of INTENSITY reading change 12 Set the maximum time constant 1 13 Block beam and note slower response 14 Set OFFSET to the same value as the INTENSITY reading 15 With METER switch up the INTENSITY signal should be near zero A RECORDER OUTPUT Connect the recorder to RECORDER jack on the LM 101 Set recorder for 100 mv full scale Turn on LM 101 and set GAIN to give a 1000 reading Adjust the recorder to read full scale Reduce the GAIN to give a reading of 50 on the display Change RECORDER EXPANDER setting and note the reading is multiplied by the setting selected Return RECORDER EXPANDER to 1 and change the GAIN to give approximately a 550 reading Set OFFSET to 500 and turn on the OUTPUT switch up note the RECORDER reading will be decreased by the value selected in the offset pot ACC OUTPUT CALIBRATION Connect DVM to ACC pin 2 2 With the METER offset on the RECORDER EXPANDER at 2 and the OFFSET at 000 QD adjust R67 to give zero output OUTPUT OFFSET CALIBRATION Connect the DVM to IC 7 pin 6 Set the OFFSET to 000 and the METER offset on Adjust R51 to give zero reading Set the OFFSET to 1000 and adjust R49 to give 10 00v reading ELECTRONIC ZERO METER offset on Connect DVM to IC 8 pin 6 Press ZERO and adjus
13. t R31 to give zero output While holding ZERO in adjust the PANEL meter pot right side behind front bezel to give 000 reading METER CALIBRATION With no signal check the INTENSITY meter for 000 reading Dial 1000 in the OFFSET pot and turn on METER offset Adjust R53 to give 1000 reading Turn off the OFFSET switch and check for zero reading gt ROW DD Q SOURCE LIGHT VOLTAGE ADJUSTMENT Connect DVM from the common of R57 and R58 to the common of R16 and R62 This will give the source light s voltage Connect the source to the monitor set the INTENSITY to High and adjust R59 for the desired voltage factory value 11 5 V Change the INTENSITY to Low and adjust R60 for the desired voltage factory value 10 5V FILTER PHASE ADJUSTMENT Connect the scope to the center terminal of T5 Adjust the source and detector to give about 1000 signal on the INTENSITY meter Vary the settings of R28 and R29 to give the highest signal Remove the case on the source and bend the bracket to give the best rectified sine wave Readjust R28 and R29 for maximum signal FILTER TUNING PROCEDURE Connect the scope to IC2 output Adjust R29 and R10 to give the maximum signal 200 Hz sine wave Connect the scope to the center tap of T1 and bend the sync board on the source to give the best rectified sine wave Fine tune this sine wave with R9 and
14. ty is limited to EDDY Company at its option repairing or replacing any item which proves to be defective during the warranty period provided the item is returned to EDDY Company together with a written statement of the problem encountered Any such obligation on the sellers part is subject to the following requirements 1 defect must be promptly reported to the seller 2 if so advised by the seller component must be returned to the seller no later than seven 7 days after the end of the warranty period and 3 on examination by the seller the part or component must be found to comply with the above warranty Any item claimed to be defective during the warranty period must be returned to the builder with the transportation charges prepaid Return trip transportation charges will be paid by the purchaser In the event that the seller elects to refund the purchase price the instrument shall be the property of the seller and shall be promptly shipped back to the seller at the sellers expense EDDY Company reserves the sole right to determine whether service is covered by the warranty If there are any questions about any of the equipment parts or service call EDDY Company For all repairs whether or not they are covered by the warranty first call EDDY Company service line or our Internet address Phone number 760 961 8457 Internet www eddyco com If the equipment needs to be returned for any reason you will be given a Return Material Autho
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