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1. rwRansburg SERVICE MANUAL LN 9256 07 3 Replaces LN 9256 07 2 June 2010 SERIAL ATOMIZER MODULE Ee E TURBINE SPEED ele x1000 RPM O DRIVE O BRAKE 1 TEST POINTS 2 SERIAL ATOMIZER O MODEL A11925 00 IMPORTANT Before using this equipment carefully read SAFETY PRECAUTIONS starting on page 1 and all instructions in this manual Keep this Service Manual for future reference Service Manual Price 15 00 Euro 20 00 U S rwRansburg NOTE This service manual has been superceded from service manual number LN 9256 07 2to service manual number LN 9256 07 3 Reasons for this change are noted under Manual Change Summary inside the back cover of this manual LN 9256 07 3 rwRansburg CONTENTS Serial Atomizer Module Contents E o PAGE SAFETY 1 6 SAFETY E TO E 1 HAZARDS SAFEQUARDS nee 2 5 INTRODUCTION 7 GENERAL DESCRIPTION a ne een een 7 SPECIFICATIONS une ee A aa 7 INSTALLATION 8 LOCA TO Misco ee een 8 CONNECTIONS massa aa be Saad 8 OPERATION 9 15 SPEEDEONTROL zn ee 9 79128 00 SERIAL ATOMIZER SPEED SELECT E 10 AUTOMATISSHUTDOWNE See ee ee 11 OTHERMODES anne 11 SINALOA taa 11 12 MOTHERBOARDS o A 13 SPEED CONTROLS Ver UW uu een bis 14 SIDE VIEW ae ee deta 14 BIPSWITCHSETTINGS san ee Ad 15 MAINTENANCE 16 18 SERIALATOMIZERMODULE u en ee 16 STATUS CODEDISPLA sado ee ee eee 16 TROUBLESHOOTING TROUBLESHOOTIN2. LED 1 indicates normal commun ication on the bus A solid or flashing Red LED 2 indicates communication faults are present If neither LED is on there is no communication on the serial bus which is an abnormal condition even if the setpoints are zero LN 9256 07 3 12 Serial Atomizer Module Operation rwRansburg 76913 Assembly DRIVE AIR PILOT SLOT 5 SLOT 4 SLOT 3 SLOT 2 SLOT 1 AIR SUPPLY 80 100 PSI o o o o Mother Bd Ass y Serial Pneumatic 76913 PCB 76912 01 Rev A J6 J5 J4 Y DS j OS gt SEN Gs E E ae Oo Oo OS Oo OS Oo OY ON SPEED FB pr a oO LA SERIAL BUS Asp FB G o Ht J p BRAKE AIR PILOT I BEARING AIR RETURN OS FITTINGS FOR 098 1 D 5 32 O D TUBING MAX WORKING PRESSURE 100 PSI gogogego V 24VDC POWER IN 24VDC COM 78145 Assembly Communication I O Slot On Motherboard DRIVE AIR PILOT AIR SUPPLY 80 100 PSI BRAKE AIR PILOT BEARING AIR RETURN O SPEED FB 1 SPEED FB H SERIAL BUS OUT OR TERMINATION RESISTOR Hit SERIAL BUS IN J FITTINGS FOR 098 1 D 5 32 0 D TUBING MAX WORKING PRESSURE 100 PSI ail 24VDC POWER IN 24VDC COM GND 78147 Assembly Communication UO Slot Loc
3. Off On Aerobell Classic 60 On On Off Aerobell Il 60 On On Off Direct Charge Aerobell Il 60 On On Off Indirect Charge RMA 303 70 On On On MMA 303 Accuracy 500 rpm LN 9256 07 3 rwRansburg INSTALLATION LOCATION Install the rack assembly in a control cabinet that is protected from the possibility of any contact with water vapor or high humidity Ambient temperature should not exceed 131 F 55 C DO NOT locate control cabinet near or adjacentto heat producing equipment such as ovens high wattage lamps etc The area should be clean dry and well ventilated If the transceiver is located remotely fromthe rack assembly the control cabinet should be located such that the total length of the cable between transceiver and rack assembly is no longer than 40 feet AWARNING gt The Serial Atomizer Module s MUST be located outside the HAZARDOUS area See NFPA 33 The user should be aware of and adhere to all local fire codes and ordi nances Conduit MUST be used for the input AC electrical connections The user MUST provide a properly fused disconnect between the power source and the power supply which com plies with appropriate codes LN 9256 07 3 Serial Atomizer Module Installation CONNECTIONS Refer to Figure 1 Input power connections depend on the motherboard used Motherboard Connection Part Points 76913 78145 Serial bus cable and transceiver assembly connections
4. equipment manuals to reconcile such differences Careful study and continued use ofthis manual will provide a better understanding of the equipment and process resulting in more efficient operation longer trouble free service and faster easier troubleshooting If you do not have the manuals and safety literature for your ITW Ransburg system contact your local ITW Ransburg representative or Ransburg rrv Ransburg A WARNING The user MUST read and be familiar with the Safety Section in this manual and the ITW Ransburg safety literature therein identified gt This manual MUST be read and thor oughly understood by ALL personnel who operate clean or maintain this equipment Special care should be taken to ensure that the WARNINGS and safety requirements for operating and servicing the equipment are followed The user should be aware of and adhere to ALL local building and fire codes and ordinances as well as NFPA 33 SAFETY STANDARD prior to installing operating and or servicing this equipment A WARNING Thehazards shown onthe following page may occur during the normal use of this equipment Please read the hazard chart beginning on page 2 LN 9256 07 3 rwRansburg AREA Tells where hazards may occur Spray Area LN 9256 07 3 HAZARD Tells what the hazard is Fire Hazard Improper or inadequate operation and maintenance procedures will cause a fire hazard Protection against inadver
5. t N 7 1 z 3 2 ere e TPA o e 8 o Pii S CISTPI2 E rg c Usar D 4 83 C6 1 2 E 4 5 6 7 8 9 0 C14 E P x 00 Em 8 gt ee N e JJL CHA A OVS e a2 22 lt GE e aly x x Z FR x q P 11 12 13 14 15 16 17 18 19 20 o e at o ee 3 E q q gt gt A gt Es Q 24 I eo DIO DDD y e e P13 e c7 U4 TP7 U7 ny Ev Oo DONDUBR WP CI CID OOO FO Rees RO Tr Ep ESE Figure 10 Transceiver Board LN 9256 07 3 20 Serial Atomizer Module Warranty Policies 21 rwRansburg WARRANTY POLICIES LIMITED WARRANTY ITW Ransburgwillreplace orrepairwithoutcharge anypartand orequipmentthatfalls withinthe spe cified time see below because of faulty work manship or material provided that the equipment has been used and maintained in accordance with ITW Ransburg s written safety and operating instructions and has been used under normal operating conditions Normal wear items are excluded THE USE OF OTHER THAN ITW RANS BURG APPROVED PARTS VOIDS ALL WARRANTIES SPARE PARTS One hundred and eighty 180 days from date of purchase except for rebuilt parts any part number ending in R for which the warranty period is ninety 90 days EQUIPMENT When pu
6. transceiver output causing over or under speed indications 4 Overheating of the transceiver board due to inadequate air flow of it s environment Figure 7 will assist in troubleshooting a majority of these problems Test points 1 and 2 are speed feedback pulses 1 and ground 2 The pulses should appear as an evenly spaced square wave whose frequency is proportional to the rotator speed At a speed of 39 krpm the waveform frequency is 500 Hz period of 2 msec The amplitude can vary since this test point signal is 1 2 of a differential pair It may vary between 2 to 4 V rwRansburg Figure 6 Input from Transceiver Card LN 9256 07 3 N 39 ld33 31 N 39V1d33 41 SISIX3 THIS MNIISOYS j Serial Atomizer Module Maintenance rruvRansburg 80333 1 A9J H9 SIA S A L tol Lays 18 Serial Atomizer Module Troubleshooting Chart Figure 7 LN 9256 07 3 Serial Atomizer Module Parts Identification rwRansburg PARTS IDENTIFICATION SERIAL ATOMIZER MODULE PARTS LIST A11925 00 Serial Atomizer Module 76913 00 Serial Motherboard 1 2 Rack 78145 00 1 4 Rack Motherboard With Communication I O Slot 78147 00 SMC 424 7554 03 10979 02 10979 04 11213 06 11678
7. 0 ANE YA GA VIA m V ALTE AN IVA S3009 SNLYLS 1380839 193810 11438043V ON LOE VNA NO NO 1138093 330 NO 17139033V A Serial Atomizer Module Operation LN 9256 07 3 Dip Switch Settings Figure 5 15 rwRansburg Serial Atomizer Module Maintenance MAINTENANCE SERIAL ATOMIZER NOTES MODULE The Serial Atomizer Module maintains complete control of the rotator speed Normal operating conditions are indicated by reading 00 or the requested speed onthe front panel display readout The DRIVE LED will be lit during all speed re quests except 00 The BRAKE LED will be lit only during the transition from a higher speed to a lower speed It is normal for BRAKE and DRIVE LED s to be on at the same time during speed changes If during normal operation speed feedback is lost or speed control is not maintained within 10 krpm the Serial Atomizer Module will enterthe automatic shutdown mode STATUS CODE DISPLAY When the Serial Atomizer Module automatically shuts down because of the abnormal conditions See Automatic Shutdown in the Operation section it is extremely helpful to know what the status is when troubleshooting This status can be displayed directly on the Atomizer Module display which is normal
8. 01 3 Way Valve Figure 8 Power Connections To Motherboard TB1 Figure 9 Transceiver Connections To Motherboard TB x 19 LN 9256 07 3 rwRansburg Serial Atomizer Module Parts Identification Transceiver Board NOTE Specifications gt If 24 VDC is used 5 VDC is not Operating Temperature 0 TO 70 C necessary Power Required 24 VDC at 0 15 A or 5 VDC at 0 35A For the number 1 atomizer connect a twisted pair wire with shield to terminal 3 and 2 for and respectively and to terminal 1 for shield This wire is connected at the other end to the first Atomizer Module on TB2 V1 and V2 motherboard Connect the fiber optic cable from the first bell to the fiber optic input labeled TP1 on the transceiver board Followthe same procedure for multiple atomizers The transceiver board is capable of receiving NOTE signals from four bells 02 2 bells 04 4 bells The transceiver board mounts on a DIN rail Connect terminal 8 to earth ground Connections Input power Required input power is 24 VDC or 5 VDC Connect 24 VDC to terminal 10 and 24 VRET to terminal 8 For 5 VDC connect 5 VDC to terminal 9 and 5 VRET to terminal 8 DeVILBISS RANSBURG I L S ses e C1 2 e oe c C8 y ng N c9 crs Jo o ee ct o s 2 o ee e 13 o a o o gt O e e TP14 e a x CR2 e a CR4 N CR1 CR3 P D wo 4 z e e x x 0 e
9. 10 North Wayne Street Angola Indiana 46703 9100 Telephone 260 665 8800 Fax 260 665 8516 www itwransburg com Technical Service Assistance Telephone 800 626 3565 Fax 419 470 2040 Telephone 800 233 3366 Fax 419 470 2071 Technical Support Representative will direct you to the appropriate telephone number for ordering Spare Parts SUR o Form No LN 9256 07 3 E Litho in U S A O 2010 Illinois Tool Works Inc All rights reserved Kg 06 10 Models and specifications subject to change without notice EN D lt
10. G GUIDE CHAR Tesco 17 18 PARTS IDENTIFICATION 19 20 PARTEI eel piso 19 POWER CONNECTIONS TO MOTHERBOARD TB lus cisco sacred 19 TRANSCEIVER CONNECTIONS TO MOTHERBOARD TD 19 20 WARRANTY POLICIES 21 EMITE WARRAN Teen ee a an 21 LN 9256 07 3 Serial Atomizer Module Safety SAFETY SAFETY PRECAUTIONS Before operating maintaining or servicing any ITW Ransburg electrostatic coating system read and understand all of the technical and safety literature for your ITW Ransburg products This manual contains information that is important for you to know and understand This information relates t0 USER SAFETY and PREVENTING EQUIPMENT PROBLEMS Tohelpyourecognize this information we use the following symbols Please pay particular attention to these sections A WARNING states information to alert you to a situation that might cause seri ous injury if instructions are not followed A CAUTION states information that tells how to prevent damage to equipment or how to avoid a situation that might cause minor injury A NOTE is information relevant to the procedure in progress While this manual lists standard specifications and service procedures some minor deviations may be found between this literature and your equipment Differences in local codes and plant requirements material delivery requirements etc make such variations inevitable Compare this manual with your system installation drawings and appropriate ITW Ransburg
11. aining in accordance with the requirements of NFPA 33 Instructions and safety precautions must be read and understood prior to using this equipment Comply with appropriate local state and national codes governing ventilation fire protection operation maintenance and housekeeping Reference OSHA NFPA 33 and your insurance company requirements The power supply optional remote control cabinet and all other electrical equipment must be located outside Class or Il Division 1 and 2 hazardous areas Referto NFPA 33 Turn the power supply OFF before working on the equipment Test only in areas free of flammable or combus tible material Testing may require high voltage to be on but only as instructed Production should never be done with the safety circuits disabled Before turning the high voltage on make sure no objects are within the sparking distance Aluminum is widely used in other spray application equipment such as material pumps regulators triggering valves etc Halogenated hydrocarbon solvents must never be used with aluminum equip ment during spraying flushing or cleaning Read the label or data sheet for the material you intend to spray If in doubt as to whether or not a coating or cleaning material is compatible contact your material supplier Any other type of solvent may be used with aluminum equipment LN 9256 07 3 rwRansburg Serial Atomizer Module Safety AREA HAZARD SAFEGUARDS Te
12. al Atomizer Module Operation AUTOMATIC SHUTDOWN The Serial Atomizer Module provides anumber of modes of automatic shutdown in case of possible unsafe or abnormal conditions These are 1 Overspeed If the speed feedback exceeds the speed setpoint Liquid Bell 10 000 rpm above setpoint Disk any speed over 30 krpm Time delay is 0 5 seconds 2 Underspeed If the speed feedback is less than the speed setpoint Liquid Bell 10 000 rpm under setpoint Disk No underspeed checks made Time delay is 0 5 seconds 3 Loss of Feedback Senses when feedback should be present but is not Pulses received from the fiber optics must be no greater than 800 msec apart during normal operation Start up delay Liquid Bell 1 second for the first pulse Disk 7 seconds Once the first pulse has been received the 800 msec interval applies 4 Invalid Speed Command Will not process speed requests higher than rated maximum Internally set speed command to zero 5 Low Bearing Air Pressure If the bearing air pressure feedback drops below the threshold set by dipswitch SW2 positions 7 and 8 Thereis a 4 second time delay for all settings The status of these conditions are available viathe Node Adapter or may be displayed locally on the Serial Atomizer Module display as described in Troubleshooting in the Maintenance section rrv Ransburg Restart After Automatic Shutdown Restart is accomplished by requesting a differ
13. ated In A Different Motherboard 78147 ASSEMBLY COMMUNICATION I O SLOT LOCATED IN A DIFFERENT MOTHERBOARD BRAKE AIR PILOT DRIVE AIR PILOT BEARING AIR RETURN AIR SUPPLY 80 100 PSI r D SERIAL BUS OUT SERIAL BUS IN OR TERMINATION 1 O RESISTOR Op Op Op O SPEED FB 1 SPEED FB Op y op e M i hss o le O fo FITTINGS FOR 098 1 D 5 32 0 0 TUBING H i MAX WORKING PRESSURE 100 PSI oe en e D 24vDC POWER IN 24VDC COM GND Figure 2 Motherboards 13 LN 9256 07 3 Serial Atomizer Module Operation rwRansburg NODE ADAPTER SERIAL OR E DISCRETE 1 0 SERIAL BUS y ATOMIZER SPEED INPUT TRANSCEIVER MODULE MODULE BEARING AIR FB PAS DRIVE AIR BRAKE AIR PILOT PILOT AIR FILTER SUPPLY REG VOLUME 4 3 WAY BOOSTER VALVE FILTER REG BOOTH WALL DRIVE FIBER BRAKE OPTIC APPLICATOR CABLE Figure 3 Speed Control System Example Figure 4 Side View LN 9256 07 3 yovadaas 40 d334S IM mm aro MOVE O a 20 Li 033454 BEE gal 031934809 N338 rru Ranshurg NINO 1138 03304SE3A0 1 O LIS L WEE EIER ALTUBLIVSNOO N SS SAd San 18 SR ALTERA 3
14. bled Never use equipmentintended for use in waterborne installations to spray solvent based materials The paint process and equipment should be set up and operated in accordance with NFPA 33 NEC and OSHA requirements Serial Atomizer Module Safety AREA Tellswhere hazards may occur General Use and Maintenance Electrical Equipment Explosion Hazard Incompatible Materials HAZARD Tells what the hazard is Improperoperation ormaintenance may create a hazard Personnel mustbe properly trained in the use of this equipment High voltage equipment is uti lized Arcing in areas of flam mable or combustible materials may occur Personnel are ex posed to high voltage during operation and maintenance Protection againstinadvertent arcing that may cause a fire or explosion is lost if safety circuits are disabled during operation Frequent power supply shut down indicates a problem in the system which requires correc tion An electrical arc can ignite coat ing materials and cause a fire or explosion Halogenated hydrocarbon solvents for example methylene chloride and 1 1 1 Trichloroethane are not chemically compatible with the aluminum that might be used in many system components The chemical reaction caused by these solvents reacting with aluminum can become violent and lead to an equipment explosion rrv Ransburg SAFEGUARDS Tells how to avoid the hazard Personnel must be given tr
15. e speedofarotary atomizer This module utilizes closed loop control via a fiber optic cable to maintain the rotator speed A wide number of configuration options are availableto the end user The design is based on the Eurocard 19 rack standard which allows for easy installation Various configuration options enable simple electrical integration SPECIFICATIONS At Sea Level Environmental Physical Temp Operating 0 to55 C Storage 40 Cto 85 C Humidity 95 Non Condensing Size 100 x 160mm Eurocard module 35mm wide Pneumatic Pneumatic Inputs Supply Air 0 100 psi 0 6 9 bar filtered to 40 microns 80 psi 5 5 bar minimum required for specified performance Bearing Air Feedback of actual rotator bearing air pressure Pneumatic Outputs Drive Air Zeroto input pressure variable Brake Air Zeroto input pressure On or Off Electrical Input Power Atomizer Speed Feedback Communication Modes Control Range Specs rwRansburg 24 VDC 10 270 mA max Fiber optic cable from ato mizer to transceiver differ ential electrical signal from transceiver to Serial Atomizer Module Serial bus communication from Node Adapter or Discrete UO Module Bell Type Max Speed SW1 SW2 SW3 Command krpm Disk 30 Off Off Off Spare XXX Off Off On Spare XXX Off On Off Aerobell 33 50 Off On On 30 57mm RMA 202 50 Off On On 30 57mm Spare XXX On Off Off Aerobell 33 70mm 40 On
16. ent speed Ifthe same speedis desired setthe speed to zero and then back to the same speed If the Discrete I O Module is used for communication restart can also be accomplished by setting the Bell Spin Enable signal to Off and back to On OTHER MODES Bell Run Normal operational mode drive airis being supplied to the atomizer Active when DRIVE LED is On Out of Tolerance Speed is not within 5 of setpoint no action take 1 second delay SIGNAL UO The input signal is Speed Request Outputs are Speed Feedback Drive Air Pressure Feedback and Drive Status The Serial Atomizer Module communicates via serial bus The module has software built in to recognize the unlikely loss of communication from the adapter and shut down the modules outputs An internal timer viewing the serial bus traffic accomplishes this All communication to the Serial Atomizer Module is by serial bus from the Discrete I O Module or Serial Node Adapter See the most current MicroPak User Manual for discrete wiring con nections for Discrete I O or PLC addressing for Node Adapter LN 9256 07 3 rwRansburg Serial Atomizer Module Operation Two LED s LED 1 and LED 2 are provided to NOTES indicate the status of communications on the serial bus The serial bus is the only means of communication withthemodule These arelocated atthe top ofthe PCB near the front panel and do not protrude through the front panel A solid or flashing Green
17. high volume drive air to the rotary atomizer The atomizer speed is monitored by a fiber optic cableto a fiber optic transceiver such as the ITW Ransburg partnumber 10979 04 Thetransceiver then provides a differential speed feedback signal to the serial atomizer module The speed in increments of 1000 s rpm is displayed on the module front panel An optional braking system can be incorporated to allow rapid speed changes When changing speeds from high to low change greater than 3 000 rpm the module provides a brake pilot pneumatic output to a 3 way valve such as the ITW Ransburg part number 11678 01 The 3 way valve supplies high volume air to the Rotary Atomizer brake input The BRAKE LED on the front panel is also activated Note that when the speed is commanded to zero the brake is not activated and the rotator simply coasts to a stop For faster stoppage of rotation usingthe brake function one should provide a 1 krpm setpoint The Serial Atomizer Module recognizesthis as an emergency stop condition and will cause the braketo operate until the speed reach 2 krpm from where the rotator will coastto a stop The speed feedback will drop out at about 2 krpm and the module will set a Loss of Feedback Fault Any new speed command will reset this fault rwRansburg A pneumatic input is provided and required for atomizerbearingairsensing andinterlock Bearing air pressure thresholds of 60 70 and 80 psi are set by conf
18. iguration of module switch SW2 7 and 8 These settings are detailed in Figure 3b See Caution below The maximum allowed speeds for various rotator types is shown in the Specifications in the Introduction section There are no minimum speedlimitssetbythe serialmodule itself however the low speed operation is limited by the drop out of speed feedback at about2 krpm A speed control system example is shown in Figure 3 Since the Serial Atomizer Module may be used as a replacement part in systems where bearing air sensing is done outside the module or is not required a zero thresh old setting is available as indicated in Figure 5 This setting may also be used in trouble shooting system pneumatic problems It must never be used in systems which de pend on the Serial Atomizer Module for bear ing air interlock If the threshold is set for zero and the atomizer loses bearing air pressure the turbine could suffer severe damage LN 9256 07 3 rwRansburg 79128 00 SERIAL ATOMIZER SPEED SELECT OPERATIONAL PROCEDURE 1 Mustbe used with Serial Atomizer Module only 2 Must be used in Quarter Rack Motherboards 78145 or 78147 3 No motherboard wiring is required 4 Canrun 1 4 Serial Atomizer Modules as stand alone system 5 The bell number 1 refers to the Serial Atomizer with the lowest serial rack address bell number 2 to the next highest etc 6 To command a speed set the Enable switch for the desi
19. lls where hazards Tells what the hazard is Tells how to avoid the hazard may occur Toxic Substances Certain material may be harmful if Follow the requirements of the Material Safety Data inhaled or if there is contact with Sheet supplied by coating material manufacturer the skin Adequate exhaust must be provided to keep the air free of accumulations of toxic materials Use a mask or respirator whenever there is a chance of inhaling sprayed materials The mask must be compatible with the material being spray ed and its concentration Equipment must be as prescribed by an industrial hygienist or safety expert and be NIOSH approved Spray Area This is a high voltage device that Parts being sprayed must be supported on conveyors High Voltage canproduce electrical arcs capable orhangers andbe grounded The resistance between Equipment of igniting coating materials the part and ground must not exceed 1 megohm Reference NFPA 33 A safe distance must be maintained between the parts being coated and the atomizer bell A distance of at least 1 inch for each 10kV of power supply output voltage is required at all times Parts must be supported so that they will not swing and reduce the clearance specified above All electrically conductive objects in the spray area with the exception of those objects required by the process to be at high voltage must be grounded Unless specifically approved for use in hazardous locati
20. ly used for displaying turbine speed by setting SW2 6 to ON and SW2 5 to OFF These status codes are explained in Figure 5 Note that the module can display a status code such as loss of feedback Code 04 but not be in an automatic shutdown condition say if the speed was set to zero If the F O feedback was interrupted while the bell was running this would cause an automatic shutdown and display Code 44 Anytime the module shuts down automatically and the display is in this mode it will add 40 to whatever is being displayed LN 9256 07 3 16 Serial Atomizer Module Maintenance TROUBLESHOOTING The Serial Atomizer Module has no adjustable components on the module With the possible exception of air leaks there are no field repairable items on the module Troubleshooting a rotator speed control problem generally consists of isolating the problem system component and replacing that component During troubleshooting it is importantto recognize the automatic shutdown modes and consider the circumstances which might cause them Some common system problems which cause the Serial Atomizer Module to go to automatic shutdown are 1 Bearing air supply pressure momentarily drops below the required threshold when the system air supply cannot maintain pressure during periods of high air consumption 2 Paint or solvent contamination in the rotator causing blockage ofthe fiber optic speed feedback signal 3 Electrical noise on the
21. ons the power supply and other electrical equipment must not be used in Class I Division 1 or 2 locations Personnel Safety The disk atomizer can rotate at Personnel must stay clear of the bell whenever it is Mechanical speeds up to 40 000 rpm Atthese rotating Hazards speeds the edge of the applicator can easily cut into skin Loose Before touching the bell the turbine air must be shut articles of clothing can also be off caught by the rotating bell If the disk has been rotating allow at least three minutes for it to come to a complete stop before touching it LN 9256 07 3 4 Serial Atomizer Module Safety rwRansburg AREA HAZARD SAFEGUARDS Tellswhere hazards Tells what the hazard is Tells how to avoid the hazard may occur Personnel Safety Skin puncturing by sharp electrode Take precautions to see that flesh is not punctured by sharp electrode Intended Use Using coating materials and or This system is intended for use with waterborne cleaning and flushing solvents coating formulations only As stated in this manual whichhaveflash points below 100 F this system can also be used for solventborne coatings 37 8 C may cause a fire hazard 5 LN 9256 07 3 rwRansburg Serial Atomizer Module Safety NOTES LN 9256 07 3 6 Serial Atomizer Module Introduction INTRODUCTION GENERAL DESCRIPTION The Serial Atomizer Module is designed to continuously monitor and maintain the pro grammabl
22. rchased as a complete unit i e guns power supplies control units etc is one 1 year from date of purchase WRAPPING THE APPLICATOR IN PLAS TIC SHRINK WRAP ETC WILL VOID THIS WARRANTY ITW RANSBURG S ONLY OBLIGATION UNDER THIS WARRANTY IS TO REPLACE PARTS THAT HAVE FAILED BECAUSE OF FAULTY WORKMANSHIP OR MATER IALS THERE ARE NO IMPLIED WAR RANTIES NOR WARRANTIES OF EITHER MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ITW RANS BURG ASSUMES NO LIABILITY FOR INJURY DAMAGE TO PROPERTY OR FOR CONSEQUENTIAL DAMAGES FOR LOSS OF GOODWILL OR PRODUCTION OR INCOME WHICH RESULT FROM USE OR MISUSE OF THE EQUIPMENT BY PURCHASER OR OTHERS EXCLUSIONS If in ITW Ransburg s opinion the warranty item in question or otheritems damaged by this part was improperly installed operated or maintained ITW Ransburg will assume no responsibility for repair orreplacement ofthe item oritems The purchaser therefore will assume all responsibility for any cost of repair or replacement and service related costs if applicable LN 9256 07 3 rwRansburg MANUAL CHANGE SUMMARY This manual was published to supercede Service Manuals LN 9256 07 2 Serial Atomizer Module to make the following changes 1 In the Operation section revised Figure 5 Dip Switch Settings DISPLAY FUNCTION from FUTURE to DISPLAY BEARING AIR PRESSURE LN 9256 07 3 Service Manual Price 15 00 Euro 20 00 U S Manufacturing 19
23. red bell to ON set the Atomizer Select knob to that number enter a number in krpm using the thumbwheels and then press the Speed Enter button Figure 1 LN 9256 07 3 Serial Atomizer Module Operation 7 Can be used in conjunction with a Serial Node Adapter communicating on same bus Serial Atomizer takes its speed command from the Serial Speed Select Module only when its Bell Enable switch that bell only is in the Enabled position Otherwise Serial Atomizer receives command from the Serial Node Adapter This feature requires Serial Node Adapter software Version 2 21 EPROM 77128 07 and Serial Speed Select software Version 0 3 EPROM 79130 8 With the Atomizer Select knob in the 0 fully counter clockwise position all Serial Atomizer Modules will display their status number 9 Once a speed has been entered a Serial Ato mizer will run at that speed until the Enable switch is set to OFF If the Enable is set back to ON the bell will run at the previously entered speed without an entry by the Speed Enter button Ifa Serial Node Adapteris used remember that it will supply the speed command when the Enable switch is in the OFF position 10 The zero position of the rotary switch will instruct the Serial Atomizer to display fault status See Figure 5 for the error codes O E Uc v E 0 D JL Or i i mmm mmm 7 79128 00 Serial Atomizer Speed Select 10 Seri
24. see Figure 2 Pneumatic connection is made through the fittings of the motherboard Make connections with 4mm or 5 32 OD tubing see Figure 2 Drive Air Pilot to Port 1 e Supply Air to Port 2 Brake Air Pilot to Port 3 Bearing Air Feedback to Port 4 The tubing for the drive air pilot from the mother boardto the volume booster must be a minimum of 10 feetlong The tubing from volume booster to bell drive line should be 1 2 OD 3 8 ID and from 3 way valve to bell brake line should be 3 8 OD 1 4 ID The use of tubing sizes other than these may compromise the Serial Atomizer Module s performance Although the atomizer inlet tubing sizes may be smaller for the drive and brake air lines it is recommended to run the larger size tubing as close to the applicator as possible before converting the tubing size to fit the applicator Serial Atomizer Module Operation OPERATION SPEED CONTROL The Serial Atomizer Module is used in a closed loop rotational speed control system for rotary atomizers It accepts a requested speed commandand aftercomparingthis withthe actual speed feedback from the atomizer provides an output to maintain the requested speed When a speed request is received the DRIVE solenoidonthe module is activated and the module provides an air pilotsignalto a 1 1 volume booster such as ITW Ransburg part number 11213 06 The front panel DRIVE LEDis also activated The volume booster supplies
25. tent arcing that is capable of causing fire or explosion is lost if any safety interlocks are disabled during operation Frequent power supply shutdown indicates a problem in the system requiring correction Serial Atomizer Module Safety SAFEGUARDS Tells how to avoid the hazard Fire extinguishing equipment must be present in the spray area and tested periodically Spray areas must be kept clean to prevent the accumulation of combustible residues Smoking must never be allowed in the spray area The high voltage supplied to the atomizer must be turned off prior to cleaning flushing or maintenance When using solvents for cleaning Those used for equipment flushing should have flash points equal to or higher than those of the coating material Those used for general cleaning must have flash points above 100 F 37 8 C Spray booth ventilation must be kept at the rates required by NFPA 33 OSHA and local codes In addition ventilation must be maintained during cleaning operations using flammable or combustible solvents Electrostatic arcing must be prevented Test only in areas free of combustible material Testing may require high voltage to be on but only as instructed Non factory replacement parts or unauthorized equipment modifications may cause fire or injury If used the key switch bypass is intended for use only during setup operations Production should never be done with safety interlocks disa
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