Roller Apparatus
Contents
1. 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus JP102 Dry Contact Configuration This jumper configures the fault condition dry contact output relay K101 If the jumper is placed on the TOP two pins NO the relay will be OPEN in normal condition and CLOSE in fault condition If the jumper is placed on the LOWER two pins the relay will be CLOSED in normal condition and OPEN in fault condition JP103 DAC Output Voltage The R2P CPU board uses a 12 bit digital to analog converter to output a precision reference voltage to the motor controller board The full scale output will be 5 00 VDC with the jumper removed from JP103 and 10 00 VDC with the jumper installed The jumper should be REMOVED for the R2P roller apparatus so that the full scale DAC output voltage is 5 00 VDC SP104 Motor Direction This jumper sets the motor direction for the R2P Roller Apparatus SP104 should be solder jumpered to set the correct motor direction for an R2P Roller Apparatus application R113 Display Contrast Adjusts the contrast of the front panel LCD display If the CPU board or the LCD display is replaced in an R2P unit the display contrast may need to be adjusted Apply power to the R2P unit and verify the system is working properly If characters on the front panel LCD display appear faded or are non existent adjust R113 to so characters can be read 3 2 CPU Board Diagnostic2. P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus Where X is the number of sensors on the sensor cable If this number does not match the actual number of sensors recheck the cable for damage and proper connection to the R2P unit 11 2 Sensor Location If a multiple sensor cable has been factory installed on the R2P Roller Apparatus the bottom most sensor on the rack is sensor 1 and the highest number sensor is at the top of the rack Sensors whether factory or field installed can be numbered in any order that the user desires Press the MODE key until the LOCATE SENSORS appears then press ENTER The front panel display should respond with Heat Up Sensor 1 Apply heat to sensor 1 The unit will beep when it recognizes the heated sensor Continue applying heat to sensors until all sensors have been accounted for If a four sensor cable is used only sensors 1 3 need to be located as the unit will automatically figure out that the last unheated sensor is 4 Similarly if 3 sensors are used only sensors 1 and 2 need to be located Skip the Sensor Location step if the unit uses only one sensor 11 3 Testing Sensor Operation Press the MODE key until the TEST SENSORS appears then press ENTER Refer to the R2P Roller Apparatus instruction manual section 11 0 for identification of measured sensor temperatures on the front panel display WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 5
3. in performing diagnostic tests as outlined in section 6 2 to complete the motor replacement 8 0 Power Route Board Troubleshooting and Replacement Refer to the R2P Roller Apparatus Instruction Manual Figure A item 8 for identification of the power route board Carefully mark and unplug the wire harnesses from the board and then remove the nuts and washers to pull the power route board from the unit If the optional battery backup board is installed remove the battery backup board first Carefully pull the battery backup board from it s mating connector with the power route board Remove the four threaded standoffs to gain access to the power route board WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus BATTERY BACKUP TO CPU BOARD POWER SUPPLY TO FRONT PANEL POWER SWITCH R CONTROLLER Figure 3 Power Route Board Connections The power route board routes power from the power supply to the motor controller board CPU board and the optional battery backup board If primary power fails and the battery backup option is installed the power route board uses solid state switches to route power from the battery backup board Several pinout voltages are available to confirm correct operation of the power route board CAUTION Potentially lethal electrical voltages exist inside the R2P control cabinet Only a qualified technician should a
4. of the line cord entry and fuse s compartment Switching Power Supply 7 Supplies 28V DC to the system automatic sensing and switchover of line voltages from 90 260VAC Motor Controller Board 10 Controls the 24V DC brushless motor Receives an analog speed signal and digital direction signal from the MCU board and provides motor tach feedback signal back to the MCU board for closed loop control Motor 11 Turns all the rollers on the rack via two main belt trains running down the back of the roller rack MCU Board 12 Contains an 8 bit CPU which monitors and controls motor speed and direction roller rotation detection and serial communications if set up for CART operation Power Router Board 8 Directs power to the Motor Controller Board and the MCU Board from either the switching power supply or the optional battery back Automatically detects power lost and activates battery backup if so equipped and sends a signal to the MCU board if battery voltage is low WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus Battery Backup Board 14 option Automatically charges discharged batteries and maintains charged batteries at their proper voltage level Communications Board 16 Provides serial communications for CART control and dry contact output for fault relay 2 0 Factory Setup Menu A hidden menu is used during production to set up and t
5. 0 RPM Observe the DAC output and Motor speed on the front panel LCD display and watch the motor shaft for movement in the correct direction CCW MOTOR TEST Tests the motor controller for correct operation of the motor in the counterclockwise direction Follow instructions above for CW MOTOR TEST 7 0 Motor Replacement Motor Diagnostic Tests When replacing a motor in a R2P Roller Apparatus unit several built in diagnostic test programs can be accessed to test for correct operation of the motor All tests used in replacing the motor controller board as outlined in section 6 2 should be performed when replacing a motor In addition the motor gear ratio diagnostic should be run when a motor is replaced The motor gear ratio diagnostic should be run first before the diagnostics in section 6 2 are run When performing these diagnostics the R2P Roller Apparatus should be fully assembled with the motor belted to the pulleys as normal The motor controller board should be adjusted as described in section 6 1 and Figure 2 To access the diagnostic tests follow the instructions in section 2 0 to access the Factory Setup Menu then press the MODE key to select the following menu items GEAR RATIO Before starting read the builder s sticker on the motor to find the motor gearbox ratio Press ENTER to start the GEAR RATIO diagnostic Use the UP and DOWN arrows on the front panel keypad to select the proper gear ratio and then press ENTER Proceed
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7. DOWN arrows to turn ON and OFF the LCD backlight 5 0 Keypad Replacement Refer to the R2P Roller Apparatus Instruction Manual Figure A item 13 for identification of the front panel keypad Unplug the keypad ribbon cable from the CPU board J105 Remove the CPU board and CPU standoffs to gain access to the nuts that hold the keypad onto the front panel Remove the nut that holds the keypad ground strap to the front panel before pulling keypad from the unit To replace the keypad slide the keypad mounting studs through the holes in the front panel and secure the lower mounting studs with nuts and lockwashers Attach the keypad ground strap to the front panel and firmly secure with nut and lockwasher Remount CPU board to unit using standoffs nuts and lockwashers Finally reattach the keypad ribbon cable to the CPU board at J105 KEYPAD TEST Tests for the proper key operation To access the diagnostic tests follow the instructions in section 2 0 to access the Factory Setup Menu then press the MODE key to select the KEYPAD TEST Press ENTER to begin Press each key on the keypad and watch the LCD display for correct identification of each key Press ENTER twice to exit the test 6 0 Motor Controller Replacement and Setup Refer to the R2P Roller Apparatus Instruction Manual figure A item 10 for identification of the motor controller board Carefully mark and unplug the wire harness from the controller board and then remove the nuts and washer
8. Tests Several built in diagnostic test programs are available to test for correct operation of the CPU board Since the CPU board is central to the overall operation of the R2P Roller Apparatus all tests as outlined in section 2 0 should be performed on a CPU board to ensure proper operation After performing tests as outlined in this section proceed to additional tests as outlined in sections 6 0 7 0 and 11 0 To access the diagnostic tests follow the instructions in section 2 0 to access the Factory Setup Menu then press the MODE key to select the following menu items INIT EEPROM Initializes the non volatile RAM on the CPU board This should be run whenever a CPU board is replaced Clears all stored operation settings see R2P Instruction Manual section 6 3 and programs constant values necessary for proper CPU operation Press ENTER to start the initialization The LCD screen will quickly respond with Clearing EEPROM and Writing Defaults EEPROM TEST Tests for correct operation of the non volatile RAM on the CPU board This test is non destructive to stored data Press START to run the test The LCD display will respond with EEPROM TEST O3FF The hexadecimal number indicating each memory address will count backwards to zero Each memory address will be written to and then read back If the non volatile RAM tests correctly the display will respond with PASSED Otherwise the display will indicate EEPROM TEST XXXX
9. WHEATON Roller Apparatus R2P 2 0 and the WHEATON Standard Roller for Adherent Cell Culture Manual User Manual WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WMAN_004 WHEATON Roller Apparatus General Safety Instructions Note Even the safest equipment can cause injury if the user is careless 1 Know Your Instrument read the operating manual carefully Learn the equipment s application and limitations 2 Ground All Equipment if electrical this instrument is equipped with a grounding type plug The green yellow conductor in the cord is the grounding wire and should never be connected to a live terminal 3 Avoid Dangerous Environment electrical instruments designed to process liquids must be operated with extreme caution If liquid comes in contact with internal electrical components or wires fire or electrical shock may occur Adequate surrounding workspace should be provided during use Do not operate electrical instrumentation in a combustible atmosphere 4 Work Surface keep well lighted Be certain the work surface is clean level and sturdy enough to support the weight of the unit particularly if it is to be filled with liquid 5 Wear Proper Apparel do not wear loose clothing neckties or jewelry that might get caught in moving parts Non slip footwear is recommended Wear protective hair covering to contain long hair 6 Wear Safe
10. WR XX RD XX The failed memory address will appear with the data written WR and the incorrect data read back RD WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus BUZZER TEST Tests the on board audio alarm for proper operation Press ENTER to start the test Press the UP and DOWN arrow keys to turn ON and OFF the on board audio alarm 3 3 CPU Board Voltage Measurements CAUTION Potentially lethal electrical voltages exist inside the R2P control cabinet Only a qualified technician should attempt to make voltage measurements on running equipment Main power for the CPU board enters at J101 J101 is located at the top left hand corner of the component side of the board n h m H Figure 1 CPU Board Power Connection Pin 1 is the square pin located on the left side of the connector and pin 5 is located to the right of the connector PIN 1 Logic signal ground Should read zero volts DC PIN 2 Chassis Ground Should read zero volts DC PIN 3 Supply Voltage In normal operation this pin should read the supply voltage of 12 VDC If it does NOT check to see if the main power switch is ON and main fuse is installed and good If battery backup is installed check to see if the battery backup board is installed properly and batteries are plugged see section 9 0 No voltage on this pin may indicate a bad wire harness bad power supply or b
11. ad power router board see section 8 0 PINS 4 and 5 These pins function correctly only if the battery backup option is installed A 5 VDC logic high on pin 4 means that power has failed and a 5 VDC logic high on pin 5 means that the battery voltage is low see R2P Instruction Manual section 7 1 4 0 LCD Display Replacement Refer to the R2P Roller Apparatus Instruction Manual Figure A item 18 for identification of the front panel LCD display Removal of the nylon screws nuts and standoffs items 24 27 and 35 is necessary to unplug the LCD display from the CPU board Unplug the backlight power cable from the CPU board J109 to complete removal WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus To install a new display plug display back onto the CPU board and secure with the nylon screws nuts and standoffs Plug the backlight power cable back into the CPU board J109 to finish replacement Reconnect the CPU board to the R2P Roller Apparatus and mount the board back into the chassis Turn on the unit and watch for characters to appear If they DO NOT appear or appear faded the LCD contrast may need to be adjusted see section 3 1 LCD BACKLIGHT TEST To access the diagnostic tests follow the instructions in section 2 0 to access the Factory Setup Menu then press the MODE key to select the LED TEST Press ENTER to begin Press the keypad UP and
12. est various functions of the R2P Roller Apparatus This menu can be accessed by pressing and holding the DOWN arrow key on the front panel keypad while turning the unit on Menus are selected by pressing the MODE key to the desired choice and pressing ENTER to start the test If components are serviced or replaced or if accessories are added to the R2P Roller Apparatus the factory setup menu may need to be accessed to set up components Factory Setup Screen INIT EEPROM DAC CALIBRATION DETECT SENSORS TEST SENSORS GEAR RATIO OPERATING MODE CW MOTOR TEST CCW MOTOR TEST BUZZER TEST KEYPAD TEST EEPROM TEST LED TEST ADC TEST LANGUAGE INIT EEPROM Initializes the non volatile RAM on the CPU board This should be run whenever a CPU board is replaced see section 3 2 Clears all stored operation settings see R2P Instruction Manual section 6 3 and programs constant values necessary for proper CPU operation DAC CALIBRATION The R2P Roller Apparatus CPU board uses a 12 bit digital to analog converter DAC to senda 0 5VDC speed signal to the motor controller board The DAC calibration should be performed whenever a CPU board motor controller board see section 6 2 or a motor is replaced DETECT SENSORS Used to detect the number of temperature sensors connected to an R2P Roller Apparatus This test should also be used if sensors are being added to or removed from an R2P Roller Apparatus TEST SENSORS Displays on the front panel LCD sc
13. icates when the backup board is charging batteries As the current tapers and the charging completes its cycle the lights will switch from yellow to green float indicating the main charging is done The backup board will then apply a low current maintenance voltage on the batteries to maintain peak capacity If batteries are discharged by normal use the yellow light will indicate again and the charging cycle will restart 9 2 Battery Connector Pinouts Batteries are hooked up to the backup board J2 in the following manner Pin No Function 1 Battery 1 POSITIVE RED 2 Battery 1 NEGATIVE BROWN 3 Battery 2 POSITIVE ORANGE 4 Battery 2 NEGATIVE BLACK 10 0 Rotation Alarm Diagnostic Two magnetic sensors located at the top of the R2P Roller Apparatus monitor the belt train for roller movement The CPU board taking into account bottle speed and motor gear ratio calculates the time required for the roller shafts to make one revolution If the CPU doesn t detect an electrical pulse from either of the magnetic sensors in two roller shaft revolutions it will set an alarm condition 15 WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus gt 1 gt COMMON 2 SENSOR 1 D SENSOR 2 4 NOT CONNECTED Figure 5 Rotation Alarm Cable Use a small magnet and an ohmmeter to test the Rotation Alarm cable Connect an ohmmeter to
14. igned components are used in the construction of an R2P Roller Apparatus Only a qualified technician with sufficient electromechanical experience should attempt to service an R2P Roller Apparatus This manual is intended to be used as a supplement to the R2P Roller Apparatus Instruction Manual as many references are made to figures and diagrams in that manual 1 1 Safety Considerations WARNING Improper grounding can result in electrical shock In the event of a short circuit grounding reduces the risk of shock This instrument must be grounded 1 This instrument is equipped with a cord having a grounding wire and an appropriate grounding plug The plug must be used with an outlet that has been installed and grounded in accordance with all local codes and ordinances The outlet must have the same configuration as the plug DO NOT USE AN ADAPTER 2 Do not modify the line cord that has been provided If it does not fit the available outlet contact your nearest WSP distributor for the proper line cord for your area 3 Many of the sensitive electronic components used in the R2P Roller Apparatus are susceptible to Electrostatic Discharge damage ESD When attempting to service an R2P Roller Apparatus make sure that repairs are done in a properly maintained ESD preventative environment 1 2 Component Identification Refer to Figure A of the R2P Roller Apparatus Instruction Manual for component identification Power inlet module 3 4 5 Location
15. n or severe injury or death WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 Table of Contents 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 WHEATON 800 225 1437 U S amp Canada Only R2P Roller Apparatus Technical Service Manual Introduction 1 1 Safety Considerations 1 2 Component Identification Factory Setup Menu Cpu Board Diagnostic and Replacement 3 1 Jumper And Potentiometer Settings 3 2 Cpu Board Diagnostic Tests 3 3 Cpu Board Voltage Measurements LCD Display Replacement Keypad Replacement Motor Controller Replacement and Setup 6 1 Motor Controller Setup And Status Indicator Lights 6 2 Motor Controller Diagnostic Tests Motor Replacement Power Route Board Troubleshooting and Replacement Battery Backup Board Diagnostic and Replacement 9 1 Led Status Indicators 9 2 Battery Connector Pinouts Rotation Alarm Diagnostic Temperature Sensor Setup and Troubleshooting 11 1 Sensor Setup 11 2 Sensor Location 11 3 Testing Sensor Operation WHEATON Roller Apparatus 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus 1 0 Introduction This service manual provides a detailed description of the inner workings of the R2P Roller Apparatus unit This manual allows a technician to identify and troubleshoot the individual components that make up the R2P Roller Apparatus A combination of off the shelf and custom des
16. ndae Namenectis pedi dit dit que sin pore velestiberum et et autempo rporem nes min recaboreicia venda velenis eicia de cum et siti to blab il idebis consequament que odici ulparum volor maionse 3 0 CPU Board Diagnostic and Replacement The R2P Roller Apparatus CPU board monitors and controls operation of the entire unit The CPU board receives information from the front panel keyboard belt sensors temperature sensors motor speed feedback signals and remote network communications It in turn processes the information to maintain precise bottle speed control of the R2P unit Refer to the R2P Roller Apparatus Instruction Manual Figure A item 12 for identification of the CPU board If a CPU malfunction is suspected several built in diagnostic tests as noted in section 2 0 can help verify operation These diagnostic tests should also be used if a CPU board is replaced 3 1 Jumper and Potentiometer Settings Four jumpers and one potentiometer are used to set parameters and adjust LCD contrast Refer to figure A in this manual for jumper and potentiometer location on the CPU board JP101 Non volatile RAM security set The non volatile RAM U104 stores the CPU board setup parameters such as motor calibration bottle diameter and unit ID number Placing a jumper on JP101 allows a section of the non volatile RAM to be blocked from user access This feature is not used in the R2P roller apparatus No jumper should be placed on JP101 WHEATON
17. ode 6 GROUND Motor Controller Power J4 1 24V nominal to motor controller Main power to motor controller board board 2 GROUND 3 GROUND CPU Board J5 1 TTL logic Battery Low Signal Only Active if battery backup normally low goes high 5V when option is installed battery voltage falls below 21 19 volts 2 TTL logic Power Fail Signal normally Only Active if battery backup is low goes high 5V when power installed Also used to turn on fails off power MOSFET bank to route battery power to system 3 12VDC Main Power for CPU Board 4 CHASSIS GROUND 5 SIGNAL GROUND 9 0 Battery Backup Board Diagnostic and Replacement Refer to the R2P Roller Apparatus Instruction Manual Figure A item 14 for identification of the battery backup board The battery backup board automatically charges two 2 12V 12ah sealed lead acid batteries The backup board electronics monitor charging activity and automatically shuts off when charging is complete The on board relay switches the battery pack connections from parallel charging to serial discharging when primary power is lost WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus STATUS LEDs 23 r BATTERY FLOAT AND CHARGE CONNECTOR O Je 2 Figure 4 Battery Backup Board 9 1 LED Status Indicators Two LED status indicators are on the battery backup board The charge yellow ind
18. ostic tests follow the instructions in section 2 0 to access the Factory Setup Menu then press the MODE key to select the following menu items DAC CALIBRATION The DAC Calibration will calibrate to a speed near the top of the motor speed range and to a speed near the bottom of the motor speed range When performing this calibration the R2P Roller Apparatus should be fully assembled with the motor belted to the pulleys as normal The motor controller board should be adjusted as described in section 6 1 and Figure 2 To run the calibration 1 Adjust the motor controller as per the directions in section 6 1 paying particular attention to the setting of the MAX SPEED pot R2 set fully clockwise CW 2 Press the MODE button until DAC CALIBRATION appears and press ENTER for the upper speed range calibration Wait for the speed feedback number to stabilize 3 Press ENTER again to calibrate the lower speed range and again wait for the speed feedback number to stabilize WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus Press ENTER to finish calibration CW MOTOR TEST Tests the motor controller for correct operation of the motor in the clockwise direction Press ENTER to start the test Use the UP and DOWN arrow keys on the front panel keypad to increase or decrease the DAC output voltage to the motor controller board CW MOTOR TEST DAC 105 15
19. pins 1 and 2 Pass a magnet over the face of sensor 1 the longer of the two sensor wire sets Zero ohms indicates a presence of a magnet and infinite ohms indicates an absence of a magnet An incorrect reading may mean an open or shorted cable Use the same procedure to test for sensor 2 connecting the ohmmeter to pins 1 and 3 LL NS ees 1 16 gap between pulley and sensor Figure 6 Sensor Spacing Proper spacing between the magnetic belt sensor and pulley face should be maintained for correct operation An approximate 1 16 gap should be maintained between the pulley and sensor 11 0 Temperature Sensor Setup and Troubleshooting Up to four 4 solid state temperature sensors can be connected to the R2P Roller Apparatus to monitor incubator temperature The solid state sensors have no adjustment and require no calibration Refer to this section if sensors are added removed or if sensor problems are expected 11 1 Sensor Setup Refer to section 2 0 and access the Factory Setup Menu Make sure the temperature sensor cable is connected to the rear of the unit and then press the front panel MODE key until the DETECT SENSORS menu appears then press ENTER The front panel display should respond with DETECT SENSORS x Sensors Found WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com
20. reen the current temperature of each sensor connected to the R2P Roller Apparatus up to four WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 GEAR RATIO OPERATING MODE CW MOTOR TEST CCW MOTOR TEST BUZZER TEST KEYPAD TEST EEPROM TEST LED TEST ADC TEST LANGUAGE WHEATON Roller Apparatus Used to set the ratio of the motor gearbox Ratio setting should be checked if motor is replaced or upgraded to a different speed Selects between STANDALONE mode or NETWORK CAPABLE mode If unit is to be used under CART network control the operating mode should be set to NETWORK CAPABLE Tests the operation of the motor in clockwise direction Should be performed whenever a CPU board motor controller board see section 6 2 or motor is replaced Tests the operation of the motor in counter clockwise direction Should be performed whenever a CPU board motor controller board see section 6 2 or motor is replaced Tests the on board audio alarm for proper operation Tests for correct push button operation of the front panel keypad Tests for correct operation of the non volatile RAM on the CPU board This test is non destructive to stored data Turns ON OFF the front panel LCD backlight Used to test the analog to digital converter on the R2P CPU board NOT USED IN THE R2P ROLLER APPARATUS APPLICATION Id qui as voloreste dolora que eic te latatem perehe
21. s item 33 to pull the controller board from the unit To install a new motor controller board secure board to chassis with nuts and washers and then carefully plug the wire harness back onto the board 6 1 Motor Controller Setup and Status Indicator Lights Three pots on the motor controller board require adjustment before the R2P Roller Apparatus can operate properly Locate the three pots as per figure 2 below WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus ACCEL eS ese lant ae BoCoooggg HG ELIZII Z ORAS D MAX SPEED TORQUE Figure 2 Motor Controller Setup Both the MAX SPEED R2 and TORQUE R4 pots should be turned full clockwise all the way UP while the ACCEL R21 pot should be turned full counterclockwise all the way DOWN On Board Status Indicator Lights Two LED indicators are located between the MAX SPEED and TORQUE pots on the motor controller board The GREEN LED indicates that power is properly applied to the board The RED LED indicates that the board is in overcurrent condition This is usually an indication of a jammed shorted or incorrectly connected motor Both LEDs unlit indicate that power is not applied to the board 6 2 Motor Controller Diagnostic Tests Several built in diagnostic test programs are available to test for correct operation of the Motor Controller board To access the diagn
22. ttempt to make voltage measurements on running equipment Power Route Board Connector Functions Connector Pin No Function Notes Power Supply J1 1 Input from power supply 24 28VDC 2 Power Fail Input from Power Supply TTL Signal goes low when power 5V TTL signal HIGH when power supply loses AC input voltage supply is active 3 GROUND 4 GROUND Front Panel Power Switch J2 1 Battery Backup Voltage Switched Voltage present only if battery 24V nominal from batteries pack is installed and plugged into charger board 2 NO CONNECTION 3 Battery Backup Voltage Switched Same as 1 24V nominal to power route board Power Router Board 1 Battery Voltage Output nominal 24V Output present only if battery Connector J3 pack is plugged into charger 13 WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus Connector Pin No Function Notes Power Router Board 2 TTL level charge control signal Charge control signal goes HIGH Connector J3 Logic LOW when primary power is when primary power is lost and on and OK main front panel switch is ON 3 TTL level charge control signal Signal goes LOW when primary Logic HIGH when primary power is power is lost battery pack is on and OK plugged in and main power switch is ON 4 TTL level charge control signal Same function as 3 Same function as 3 5 Power Supply Voltage 24VDC 0 Volts when in Battery Backup m
23. ty Goggles wear safety goggles at all times Everyday eyeglasses only have impact resistant lenses they are not safety glasses 7 Don t Overreach keep proper footing and balance at all times 8 Maintain Instrument with Care keep screws tight and unit clean Check periodically for worn or damaged parts Inspect the plug and cord before each use Do not operate this instrument if there are signs of damage 9 Avoid Accidental Start Up if electrical always make sure the switch is in the off position before plugging instrument into outlet 10 Disconnect Instrument always disconnect the instrument from the power source before servicing 11 Do not block cooling vents if provided 12 Do not operate this equipment in any manner not specified in this manual 13 Keep the operating manual for the instrument in a safe place near the instrument for quick and easy reference 14 It is recommended that a fire extinguisher always be located in areas where electrical instruments are being used WSP 305 WHEATON 800 225 1437 U S amp Canada Only 856 825 1100 www wheaton com P N 50031958 Rev 7 11 12 WHEATON Roller Apparatus Safety Symbols Used In This Manual A WARNING symbol indicates attention to an operation which can cause operator injury improper function of or damage to the equipment and possible problems with the process A DANGER symbol indicates attention to an operation which could cause electrocutio
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