Gamma Vacuum DIGITEL LPCe, User Manual

Page 1: ...800 237 3603 f 952 445 7615 www gammavacuum com info gammavacuum com DIGITEL MPCe LPCe Multiple Pump Controller Large Pump Controller Users Manual PN 900015 Rev B Specification information is located on our website at www gammavacuum com ISO 9001 2000 Certified ...

Page 2: ...peration 12 Main Display 13 Main Menu 16 System Menu 17 Supply Menu 20 About Menu 23 Diagnostic Menu 24 Set Points Menu 26 Back Panel Operation 28 Description 28 Input Power J507 28 10kV SHV SAFECONN J401 J504 Pairings 28 Serial Interface J112 29 Set Point Analog Output J104 38 Remote TSP NEG Control J505 Optional MPCe only 39 High Voltage TSP Interlock J506 Optional 39 Warranty Service 40 Service...

Page 3: ... starting capacity of 200W 100 mA It is intended to operate pumps from 10 l s to 200 l s and can be used on larger pumps if they are already under high vacuum The large HV module has a starting capacity of 1000W 500 mA It is intended for pumps from 160 l s to 1200 l s HV modules are transformer design with low noise high reliability and pump overload protection The output voltage can be configured...

Page 4: ... pump into a cool down mode If the pump does not start properly after three tries a message is displayed and the controller shuts down high voltage The event log can be sued to determine the sequence of messages that lead to the shut down The DIGITEL MPCe and LPCe continuously protect the ion pump during start up and normal operation If there is a vacuum failure the controller shuts down high volt...

Page 5: ...k allows enabling disabling of either the high voltage outputs or TSP filament firing The interlock is installed at J506 on the back panel of the MPCe LPCe if the option is installed A loopback plug is shipped with the option along with a connector kit for custom configuration by the user ...

Page 6: ...e time Parameters are measured at least every 320 milliseconds Assuming a set point decision is handled right after measurement is made response time is 320 milliseconds Assuming a set point decision is made on the next time through the standard loop response time is 640 milliseconds Relays take a few milliseconds to operate so this increases response time slightly Line frequency 48 to 62 Hz No ad...

Page 7: ...lowing specifications as listed in the Official Journal of the European Communities EN 50081 1 Emissions EN 55011 Class A radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity IEC 801 4 Electrical Fast Transient Burst Immunity Low Voltage Directive 73 23 EEC EN 61010 1 Safety requirements for electrical equipment...

Page 8: ...FACTURED TO PROVIDE PROTECTION AGAINST ELECTRICAL AND MECHANICAL HAZARDS FOR THE OPERATOR AND THE AREA SURROUNDING THE PRODUCT OBSERVE ALL INFORMATION IN THIS SECTION Installation procedures are for use by qualified and authorized personnel who have experience working with voltages greater than 50 volts To avoid personal injury do not perform any installation or service unless qualified to do so T...

Page 9: ...T GEEIGNETE HUBVORRICHTUNGEN UND HEBETECHNIKEN VERWENDEN WARNING READ AND UNDERSTAND OPERATOR S MANUAL BEFORE USING THIS MACHINE FAILURE TO FOLLOW OPERATING INSTRUCTIONS COULD RESULT IN INJURY OR DAMAGE TO EQUIPMENT ALERTE LIRE ET COMPRENDRE LE MANUEL D OPERATION AVANT D UTILISER CETTE MACHINE NE PAS SUIVRE LES INSTRUCTIONS D OPERATION PEUT CAUSER DES BLESSURES OU DES DEGATS A L EQUIPEMENT 警告 この装置...

Page 10: ...real panel image 1 Place the controller in its location and secure as necessary 2 Connect the safety ground cable between the pump and safety ground stud at the DIGITEL rear panel 3 Connect the high voltage cable to the ion pump and to the appropriate high voltage connector on the DIGITEL rear panel J501 J504 4 If you have the optional SAFE CONN feature an additional connector is part of the HV co...

Page 11: ...anel High Voltage Indicator Lights The two high voltage indicator lights indicate power to supply one and or supply two Both are installed regardless of how many high voltage sections are present LCD Touch Screen This interface consists of a VGA LCD touch screen This screen is used for all front panel operations excluding the main power on off switch Initial Power Up After following the installati...

Page 12: ...efore starting a pump to extend pump lifetime improve system ultimate pressure and give the most accurate current readings Evacuate the Vacuum System Before you turn on an ion pump it and the system it is attached to must be evacuated to a minimum vacuum of 1 x 10 4 Torr Details are best obtained from the rough pump manual but in general use the following recommendations 1 Rough pump down to 1x10 ...

Page 13: ...fication Calibration Information 2 Supply one status and operational parameters 3 Supply two status and operational parameters 4 Menu Set point TSP MPCe only NOTE Details of the TSP NEG option are available in the Remote TSP Controller Manual part number 900016 NOTE The LPCe Menu is always visible As menu functions are identical for each controller the remaining sections will refer to visual image...

Page 14: ...ted in the TSP Config Menu the line with arrows will have a slash through it 4 A HV Interlock icon is displayed if the HV1 or HV2 interlocks are not preset 5 A TSP Interlock icon is displayed if the TSP interlock is not present 6 The capital letter F L or R signify the communication modes of a F Full both front panel and serial commands are accepted default b L Local only front panel commands are ...

Page 15: ...wo status symbols that indicate the current state of the set point An open circle indicates an open set point inactive A filled circle indicates a closed set point active TSP Button The TSP button opens the TSP operation screen on the MPCe NOTE Details of the TSP NEG option are available in the Remote TSP Controller Manual part number 900016 ...

Page 16: ...2 is not installed Supply 2 Settings are disabled The MPCe and LPCe have 10 high voltage modes visible from the main menu Those modes are defined as STANDBY The supply is prepared to have high voltage turned on SAFECONN SAFECONN connections are not connected WAITING High voltage has been enabled and the controller is waiting for supply 1 or 2 to enter AUTORUN HV INTERLOCK The high voltage interloc...

Page 17: ... unlock the front panel press and hold the Supply 1 area of the screen for several seconds AutoFan This option enables the MPCe to control the cooling fan based on high voltage operation It can be disabled if the fan is causing excessive noise or vibration Arc Detect The controller is designed to protect both the controller and ion pump in harsh starting and vacuum events Older ion pumps can send ...

Page 18: ...in the string The default value set is five 5 The address can be between 0 and 255 The button is equal to a backspace Reset Selecting this option resets all MPCe LPCe system parameters to their default values A confirmation is required Update This option initiates an on screen message to confirm that a new firmware version is to be loaded For further information contact Gamma Vacuum and reference ...

Page 19: ...can be changed between white black and gray The contrast is scalable through seven settings Contact Gamma Vacuum if the contrast needs altering beyond the 7 scalable software units Screen Saver The compact florescent bulb in LCD touch screen is automatically dimmed to 50 brightness after 30 minutes of inactivity to conserve bulb lifetime The time interval of this screen saver can be set to 30 minu...

Page 20: ...y change the default pump names set to Supply 1 and Supply 2 by default to a more useful description by pressing the Pump Name button The control characters of the keyboard are as follows Move the cursor to the left Move the cursor to the right BKS Backspace SP Space character SFT Shift key Press to alternate between upper and lower case letters Pump Size This parameter is required prior to operat...

Page 21: ...example if calibrating the MPC pressure to a known gauge pressure Auto HV Restart After Power Loss This option enables the controller to automatically restart high voltage after there has been a power loss to the controller Analog Output Mode Analog current pressure outputs 1 and 2 are controlled for maximum flexibility These outputs provide signals that are proportional to pump voltage current or...

Page 22: ...E 4 1E 10 Logarithmic Volts out log pressure 10 0V 1V per 1uA 0 10uA 1uA per Volt 1V per 10uA 0 100uA 10uA per Volt 1V per 100uA 0 1mA 100uA per Volt 1V per 1mA 0 10mA 1mA per Volt 1V per 10mA 0 100mA 10mA per Volt 1V per 50mA 0 500mA 50mA per Volt Note All modes are 0 10Vdc out Note Pressure units are the same as selected for the display ...

Page 23: ...uired Loader indicates the version of the bootloader that the software expects to be present Contact Gamma if a different version is loaded than is shown on this screen The first number of the Altera version is the version of Altera PLDs loaded on the processor board and the second number in parentheses is the version expected Again contact Gamma if a different version is loaded than is shown on t...

Page 24: ...hrough the calibration steps on screen for reference Click OK when calibration process is completed NOTE Prior to initiating this procedure ensure that ion pump can be turned off and cables disconnected at the back panel of the controller Calibrate Touchscreen To accurately represent button presses with corresponding information on the screen the touchscreen may require calibration When started th...

Page 25: ...e time of the event 5 Supply size and specified pump size 6 The number of over current cycles and number of cool down cycles Event Types Event types consist of a message that describes the reason the event was recorded in the event log Event type messages are defined as follows Message The controller shut down as a result of 3 consecutive cool down cycles Cool down was entered because pump power e...

Page 26: ... menu Edit Set Point Parameters The Mode determines if the set point is active and which supply it is dependant on By default all set points are disabled The set point parameters are defined as On Point This is the pressure that the set point relay will activate The set point will activate when the pressure is equal to or lower than this pressure Off Point This is the pressure that the set point r...

Page 27: ... the system menu To edit the on or off point press the edit button The respective value will change from black to white and a cursor will appear to the left of the value The and buttons control the position of the cursor The change the value press the corresponding number for the value to the right of the cursor When finished editing the value press OK Press OK again to return to the set point men...

Page 28: ...age upon shipment Contact Gamma Vacuum if a change in input power is required 10kV SHV SAFECONN J401 J504 Pairings A 10kV SHV and corresponding SMB connector is required for each high voltage connection on the rear panel of the controller 10kV connections are used to relay high voltage to the ion pump The SMB connections are used to relay the SAFECONN signal from the MPCe LPCe to the ion pump high...

Page 29: ...tandard and makes recommendations regarding hardware design in areas where software performance may be affected Standard The interface consists of a differential balanced twisted wire pair that is connected to all devices on that serial port This makes the interface fairly immune to electrical and RF radio frequency noise generated in the vicinity All controllers on the same port must be configure...

Page 30: ...rotocol Protocol configuration is accomplished by DIP switch settings completed by Gamma Vacuum Maximum operating baud rate is determined by cable length and the environment near the cable External noise sources and line loss degrade the signal Twisted pair cable should be used with signal wires twisted with ground wires Shielded cables also decrease the maximum transmission length but may be requ...

Page 31: ...he remote unit designer to keep practicality in mind when determining these fields A data field is not required for all commands SPACE 5 CHECKSUM 2 hex characters Computed checksum of packet The calculated checksum must have its value in ASCII hexadecimal notation It is calculated by adding the decimal value of all characters in the packet excluding start checksum and terminator and then dividing ...

Page 32: ...es the command If the controlling computer needs to verify that the last command was successful it sends a command to the unit requesting status feedback Response Packet The response packet is made up of at least five fields and contains information to let the controlling computer know that the command requested was either recognized and accepted STATUS OK or an error condition occurred STATUS ER ...

Page 33: ...ly Data field s are used to respond to commands requesting data For example a command requesting the current voltage setting in a unit would have the reading placed in a data field Data must be in ASCII printable format There is no limit on the number or size of data fields Data is not required for all responses SPACE 5 CHECKSUM 2 hex characters Computed checksum of packet Checksum contains a simp...

Page 34: ...HZ 32 CONTROL FAN Turns the cooling fan on or off ON or OFF 3C GET SETPOINT Reads configuration of specified set point n n s X XE XX Y YE YY ST n set point number 1 8 s configured supply 1 or 2 X XE XX On Point Y YE YY Off Point ST 1 active 0 inactive 3D SET SETPOINT Configures a specified set point n s X XE XX Y YE YY n set point number 1 8 s configured supply 1 or 2 X XE XX On Point Y YE YY Off ...

Page 35: ...t restart the supply after an open circuit is detected CB READ EVENT LOG Reads event data from the event log 0 50 String 0 latest event 1 50 specific event String pump message type time date voltage current pump size supply size of arcs cool down cycles 0 0 0 0 reserved CC READ LAST EVENT Reads event data from the last entry in the event log String String pump error code time date voltage current ...

Page 36: ...ifies pressure 1 n nn or 2 n nn n nn range is 0 00 9 99 20 GET HV STRAPPING Reads the supplies strapped high voltage output 1 or 2 5600 or 7000 1 2 indicates the supply 25 SET DISPLAY Changes the displays main parameter 1 P or 2 P 1 2 indicates the supply P V volts C current or P pressure 33 SET AUTO RESTART Sets supplies to automatically restart on power up This applies to both HV sections YES or...

Page 37: ... below gives the values of the response 3 Add all values below to get 4DCh1 4 Divide by 100h 256d 4DCh 100h 4h with a remainder of DCh 5 The remainder DCh is the CRC Response Value hex 0 30 0 30 space 20 O 4F K 4B space 20 0 30 0 30 space 20 D 44 I 49 G 47 I 49 T 54 E 45 L 4C space 20 M 4D P 50 C 43 space 20 1 h indicates a hexadecimal base 16 value while d indicates a decimal base 10 value ...

Page 38: ...3 14 16 18 GND1 15 Set Point 5 TTL 15 mA max 17 Set Point 6 TTL 15 mA max 19 Set Point 7 TTL 15 mA max 37 Set Point 8 TTL 15 mA max Analog Current Pressure Measuring pins 32 34 The analog voltage output representing current can vary depending on the mode selected in the software A list of these modes is given in the Supply Menu Jumpers on the internal CPU board assembly allow selecting positive or...

Page 39: ...sabling of the high voltage outputs or TSP filament firing if TSP option is installed The interlock is installed at J506 on the back panel of the MPCe if the option is installed The interlock is configured to enable both high voltage outputs when the loopback plug PN 380082 or 380079 is attached The user may install external interlock switches using the extra connector kit provided with the interl...

Page 40: ...stment To do this our service technicians require as much information as possible about the vacuum system in need of support To assist in this process please provide the following information in as much detail as possible Part Number Serial Number Detailed Description of the Vacuum System Hardware Detailed Description of the Vacuum System Process gas species introduced ultimate pressure operationa...

Page 41: ...s products other than in accordance with proper operating and safety procedures EXCEPT AS STATED HEREIN GAMMA VACUUM MAKES NO WARRANTY EXPRESSED OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE AND EXCEPT AS STATED HEREIN GAMMA VACUUM SHALL HAVE NO LIABILITY FOR SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY KIND OR FROM ANY CAUSE ARISING OUT OF THE SALE INSTALLATION OR USE OF ANY ...

Page 42: ... result A standard restocking fee may apply Note Prior to issuance of an RMA the required documents must be submitted to Gamma Vacuum Required Documentation During a lifetime of system operation it is possible that certain contaminants some of which could be hazardous may be introduced into the vacuum system thus contaminating the components Please complete the form on the next page to identify an...

Page 43: ...e defined as any substance that because of its properties is not compatible with ultra high vacuum UHV operation Some of these are silicon in the form of silicones sulfur cadmium fluorine and chlorine Contaminants have been determined by vapor pressure curves and or properties that are detrimental to the operation of UHV products Hazardous substance means a chemical or substance or mixture of chem...