Spellman eSL 30P300, Instruction Manual

Page 1: ...ction Manual High Voltage Power Supply MODEL SERIAL DATE SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION 475 Wireless Blvd Hauppauge New York 11788 1 631 630 3000 FAX 1 631 435 1620 E mail sales spellmanhv com Website www spellmanhv com SL SERIES ...

Page 2: ...alified personnel aware of the electrical hazards WARNING note in the text call attention to hazards in operation of these units that could lead to possible injury or death CAUTION notes in the text indicate procedures to be followed to avoid possible damage to equipment Copyright 2000 Spellman High Voltage Electronics Corporation All Rights Reserved This information contained in this publication ...

Page 3: ...azitäten des Hochspannungsnetzteiles benötigen ca 5 Minuten um sich zu entladen Erden Sie sich nicht und arbeiten Sie nicht in feuchter oder nasser Umgebung SERVICESICHERHEIT Notwendige Reparaturen können es erforderlich machen den Gehäusedeckel während des Betriebes zu entfernen Reparaturen dürfen nur von qualifiziertem eingewiesenem Personal ausgeführt werden WARNING im folgenden Text weist auf ...

Page 4: ...capacité interne de l alimentation Ne vous mettez pas à la masse ou ne travaillez pas sous conditions mouillées ou humides CONSIGNES DE SÉCURITÉ EN CAS DE REPARATION La maintenance peut nécessiter l enlèvement du couvercle lorsque l alimentation est encore allumée Les réparations doivent être effectuées par une personne qualifiée et connaissant les risques électriques Dans le manuel les notes marq...

Page 5: ...r permettere la scarica della capacità interna dell alimentatore ad alta tensione Non mettere a terra il proprio corpo oppure operare in ambienti bagnati o saturi d umidità SICUREZZA NELLA MANUTENZIONE Manutenzione potrebbe essere richiesta rimuovendo la copertura con apparecchio acceso La manutenzione deve essere svolta da personale qualificato coscio dei rischi elettrici Attenzione alle AVVERTEN...

Page 6: ... downloaded at www spellmanhv com manuals Not all product manuals are available for download WICHTIGE SICHERHEITSHINWEISE SICHERHEIT DIESES HOCHSPANNUNGSNETZTEIL ERZEUGT LEBENSGEFÄHRLICHE HOCHSPANNUNG SEIN SIE SEHR VORSICHTIG BEI DER ARBEIT MIT DIESEM GERÄT Das Hochspannungsnetzteil muß immer geerdet sein Berühren Sie die Stecker des Netzteiles nur wenn das Gerät ausgeschaltet ist und die elektris...

Page 7: ...NI ESTREMA CAUTELA QUANDO OPERI CON QUESO APPARECCHIO Gli alimentatori ad alta tensione devono sempre essere collegati ad un impianto di terra Non toccare le connessioni a meno che l apparecchio sia stato spento e la capacità interna del carico e dell alimentatore stesso siano scariche Attendere cinque minuti per permettere la scarica della capacità interna dell alimentatore ad alta tensione Non m...

Page 8: ...nical Installation 5 3 OPERATING INSTRUCTIONS 3 1 Operation 7 3 2 Standard Features 8 4 PRINCIPLES OF OPERATION 4 1 Chassis 18 4 2 Line Rectification and Filtering 18 4 3 Inverter 19 4 4 High Voltage Transformer 20 4 5 High Voltage Assembly 20 4 6 Control Power PWB 20 4 7 Front Panel Assembly 20 4 8 Options 20 5 OPTIONS 5 1 Adjustable Overload Trip 21 5 2 220Vac Single Phase Input 21 5 3 No Slow S...

Page 9: ...22 5 12 Bipolar Master Slave Option 23 5 13 External Fault Relay Option 23 5 14 Custom Design Models 23 6 MAINTENANCE 6 1 Periodic Servicing 28 6 2 Performance Test 28 6 3 High Voltage Dividers 28 7 REPLACEMENT PARTS 7 1 Replacement Parts 29 7 2 Correspondence and Ordering Spare Parts 29 8 FACTORY SERVICE 8 1 Warranty Repairs 30 8 2 Factory Service Procedures 30 8 3 Ordering Options and Modificati...

Page 10: ...e off Indicator Circuit 16 Figure 3 8 Remote Indicators Interface 17 Figure 5 1 Floating Ground Interface Circuit 24 Figure 5 2 Adjustable Power Remote Interface TB1 Only 24 Figure 5 3 Polarity Reversal Procedure 1kV to 8kV 10W to 300W 25 Figure 5 4 Polarity Reversal Procedures 10kV to 130kV 10W to 300W 25 Figure 5 5 Polarity Reversal Procedures 1kV to 8kV 600W to 1200W 26 Figure 5 6 Polarity Reve...

Page 11: ...liseconds and one of the lowest ripple specifications in the industry at this power level The combination of proprietary control system and proprietary protection circuitry enables the supplies to operate under arcing and extreme transient conditions without damage or interruptions The DC output voltage and current are continuously adjustable from zero to the maximum rating via two front panel ten...

Page 12: ...TE Output power remote monitor is included with the CPC and APT options TB1 only REMOTE HIGH VOLTAGE CONTROL Allows remote control of HIGH VOLTAGE ON and HIGH VOLTAGE OFF Signals are also provided for remote indication of HV ON or HV OFF status EXTERNAL INHIBIT A control signal that will inhibit the high voltage output is provided on the external interface A logic low ground will inhibit the high ...

Page 13: ...ation circuitry This fault usually occurs when there is a lack of output power to maintain regulation The options available are listed in Table 1 1 See Section 5 for more information on these options along with operating and set up instructions With few exceptions these options and modifications can be retrofitted to your power supply at the factory in a short time For price and retrofit arrangeme...

Page 14: ... the series name is 1 the maximum voltage in KV 2 the polarity of the unit positive P negative N or reversible PN 3 the maximum output in watts 4 the option codes for all options that are included Custom units have an X number after the option codes SL 30 P 1200 FG X Series Name Maximum Voltage Polarity Maximum Power Custom X Number Option ...

Page 15: ... the panel and chassis for visible damage Fill out and mail the Warranty Registration card accompanying the unit Standard Spellman SL Series high voltage power supplies and components are covered by warranty Custom and special order models with an X suffix and the model number are also covered by warranty 2 2 Mechanical Installation Units in the SL Series have front panel holes for standard EIA ra...

Page 16: ... PIN TERMINAL BLOCK SIDE VIEW OF 600 1200W L 10 300W 0 23 5 72 TYP I O 3 00 76 20 TYP 1 66 42 13 14AWG LINE CODE 3 1 2 7 6 4 5 8 TB 1 I O I N TER FA C E 1 2 1 1 1 0 9 1 3 1 8 1 6 1 5 1 4 1 7 10 300W 1 72 43 66 I O MONITORING IEC 320 LI N E I N PU T J1 3 2 1 8 7 6 4 5 1 3 1 2 1 1 1 0 9 P L A I N V I E W N Y 1 1 8 0 3 M A D E I N U S A P L A I N V I E W N Y 1 1 8 0 3 M A D E I N U S A 25 PIN MINI D ...

Page 17: ... of the unit See Figure 3 1 for a typical operating set up The return line from the load should be connected to the ground pin terminal block TB2 1 on the rear of the power supply Using a separate external ground at the load is not recommended 10W 300W units are provided with IEC type line cable 600W 1200W units are provided with a three conductor line cord D Attach the output cable to the load E ...

Page 18: ...over must be on in order to direct the air flow over the areas that need cooling In operation the unit must be placed so that the air intake and the fan exhaust are clear of obstructions that might impede the flow of air The 10W 300W units do not use forced air cooling Simply maintain ambient temperature specifications 3 2 Standard Features A note on remote interface circuitry and remote signal gr...

Page 19: ...r of the chassis for connection to a safety switch The unit will not operate unless the interlock circuit is closed If the interlock is not being used the jumper installed on the terminals before shipping must be in place If the jumper is missing or there is an opening between the interlock terminals the unit s high voltage inverter will be disabled During high voltage operation revert to the HIGH...

Page 20: ...e Control Monitoring High Voltage Load Output Cable Provided Shielded High Voltage 115Vac or 220Vac 10 50 60 Hz Specified at time of order System Ground Cable on the rear of the high voltage power supply directly to Pin 1 of TB2 terminal block located It is recommended to connect the load return Figure 3 1 Typical Operating Setup NOTE On standard units TB2 1 2 are connected to chassis ground inter...

Page 21: ...to 100 Rated Output 11 Local Voltage Program Out Front Panel Program Voltage 12 Power Monitor TB1 only 0 to 10V 0 to 100 Rated Power Optional 13 Remote Power Program In TB1 only 14 Local HV OFF Out 15V at Open 25mA at Closed Connect to HV OFF For FP Operation 15 HV OFF 16 Remote HV ON 15V 10mA Max HV ON 17 Remote HV OFF Indicator 0 HV ON 15V 10mA Max HV OFF 18 Remote HV ON Indicator 0 HV OFF 15V 1...

Page 22: ...e Program In 0 to 10V 0 to 100 Rated Output 11 Local Voltage Program Out Front Panel Program Voltage 12 EFR Common Optional External Fault Relay 13 EFR Normally Open 14 Local HV Off Out 15V at Open 25mA at Closed Connect to HV OFF For FP Operation 15 HV OFF 16 Remote HV ON 15V 10mA Max HV ON 17 Remote HV OFF Indicator 0 HV ON 15V 10mA Max HV OFF 18 Remote HV ON Indicator 0 HV OFF 15V 10mA Max HV O...

Page 23: ...10M Z in 10M 1 2 3 4 5 6 7 8 9 10 11 Remote Current Control Remote Voltage Control Z in 10M Z in 10M Remove jumpers for remote programing All cables should be shielded with the shields being returned to the chassis ground of the High Voltage Pow er Supply TB1 J5 20k 20k CW CW 10 32V 1mA max PS Common Fully Counterclockw ise Zero Output Fully Clockw ise 100 of Rated Output If connections to externa...

Page 24: ...cables should be shielded with the shield being returned to the chassis ground of the high voltage power supply Figure 3 3 Remote Monitor Test Point Designations S1 must be closed to enable HIGH VOLTAGE Momentary closure of S2 will enable HIGH VOLTAGE ON Opening S1 will disable HIGH VOLTAGE ON and switch the unit to the HIGH VOLTAGE OFF mode It is recommended to use relay contacts for S1 and S2 Re...

Page 25: ...w er supply 1 2 3 4 TB1 J5 All cables should be shielded w ith the shields being returned to the chassis ground of the High Voltage Pow er Supply 5 S1 S1 Open Interlock Open S1 Closed Interlock Closed Remove jumper for remote external interlock Relay contacts are recommended for S1 The relay should be located as close as possible to the pow er supply Signals are at 15Vdc 25mA max and are only to b...

Page 26: ...as close as possible to the high voltage power supply 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 4 W 1 4 W P O High Voltage Power Supply R Limit R Limit Signals are 15Vdc 10mA max General Purpose Opto Coupler General Purpose Opto Coupler To High Voltage OFF Indicator To High Indicator Voltage ON 12Vdc lamps or relay coils may replace opto couplers R Limit must be 500 Figure 3 7 Remote High Voltage On ...

Page 27: ...SL SERIES MANUAL 17 118006 001 REV Y Figure 3 8 Remote Mode Indicators Interface ...

Page 28: ...her the sub assemblies a basic understanding of the process can be gained 4 1 Chassis The SL is a compact high efficiency high voltage power supply The power supply can supply up to 1200 watts of DC power Output power capability may be higher or lower depending upon the model ordered Output voltages of up to 130kV can be generated The energy levels used and generated by the power supply can be let...

Page 29: ...IT ALLOW 5 MINUTES FOR INTERNAL CAPACITANCE TO DISCHARGE BEFORE REMOVING ANY COVER When the circuit breaker is ON voltage is applied to an isolated diode rectifier bridge which contains the rectifier diodes used for line voltage rectification The output of this bridge rectifier is connected to a capacitor filter Capacitors are initially charged through NTC type or resistive inrush limiters For 150...

Page 30: ...output before energizing high voltage Program voltages are typically ramped up to set level by a slow start circuit An arc sense circuit provides sensing quench and indicator of arc conditions Consult the operation manual for a detailed description of the arc sense control Current feedback from the high voltage rectifier is sent to sense resistors located on the High Voltage Assembly Calibrated fe...

Page 31: ...ise time 5 5 Extra Length Output Cable LL ft Standard output cable is 10 feet of shielded high voltage cable Other lengths may be specified in multiples of 10 feet 5 6 Floating Ground FG The floating ground option allows isolation of the power supply common from the chassis ground TB2 located on the rear panel provides connection to the power supply common circuit and to the chassis ground This si...

Page 32: ... unit will shut down with an OVERPOWER fault The CPC option allows power regulation via an internal preset potentiometer or a remote program source When the unit is in power regulation the POWER CONTROL status indicator will be illuminated See Figure 5 2 for remote interface 5 9 Arc Trip Option AT When this option is ordered the Arc Count circuit is set so the unit trips to Standby after 1 count O...

Page 33: ...itry was activated Overtemperature Excessive temperature has been sensed within the chassis Regulation Error Lack of required output power to maintain regulation Arc Shutdown Arc sensing circuit has shut down the supply due to excessive arcing Overpower The power supply has exceeded the internally set power limit level if such circuitry is installed With the installation of the EFR option for TB1 ...

Page 34: ...turn circuits Pin 2 internally connected to pow er supply chassis IMPORTANT Pow er dissipation in CR1 should not exceed 1 2W This can be accomplished by keeping TB3 1 and TB3 2 voltage below Zener voltage CR1 is for safety and transient protection only and is not designed for continuous clamping Possible FG termination circuits TB2 CR1 units are shipped w ith external Up to 50V is available Consul...

Page 35: ...ING TO TABLE 1 6 7 5 SW1 2 CLOSED OPEN SW1 3 CLOSED OPEN SW1 4 CLOSED OPEN SW1 5 CLOSED OPEN SW1 6 CLOSED OPEN SW2 1 CLOSED OPEN SW2 2 SW2 3 SW2 4 SW2 5 SW2 6 CLOSED OPEN CLOSED OPEN CLOSED OPEN CLOSED OPEN CLOSED OPEN NOTE POWER SUPPLIES THAT UTILIZE CONTROL BOARD P N 450050 XXX DO NOT REQUIRE STEP 5 MULTIPLIER HIGH VOLTAGE JB1 PARTIAL VIEW A A POSITIVE CONFIGURATION SHOWN 8 POSITIONS FOR NEGATIV...

Page 36: ...EEN J4 AND J5 AS FOLLOWS TURNING UNITON 2 3 2 LI NE LO AD 600 to 1200 Watt 1kV to 8kV chassis R E V A A S S Y 4 0 4 1 2 9 0 0 1 1 5 1 4 S S R E V A E 4 J 4 E 2 J B1 J B 2 J B 3 C 1 E 2 C 2 E 1 G 2 E 2 D E 1 G 1 G 1 E 1 E 2 D G 2 C 1 E 2 C 2 E 1 1 1 A S S Y 4 0 3 9 3 5 R E V A S L 6 0 0 W 1 2 0 0 W C O N T R O L P O W E R B D 1 1 5 V 2 2 0 V 1 1 5 V J B 1 J 3 J 2 J 4 T 1 J P 1 2 J P 1 3 J 1 E 3 9 E...

Page 37: ...INSTALLATION NOTE 1 2 3 4 TB1 J5 5 6 7 8 9 10 11 12 Keep Interconnecting Wires as Short as possible Use of Twisted Wire Pair or Shielded Coaxial wire is recommended Common P S Common kV Test Point OUT Remote Voltage Program IN POSITIVE MASTER SUPPLY NEGATIVE SLAVE SUPPLY REMOVE JUMPER LINKING 10 11 Figure 5 7 Instant ON Figure 5 8 Bipolar Slave Option ...

Page 38: ...GE IS DANGEROUS ONLY QUALIFIED PERSONNEL SHOULD PERFORM THESE TESTS High voltage test procedures are described in Bulletin STP 783 Standard Test Procedures for High Voltage Power Supplies Copies can be obtained from the Spellman Customer Service Department Test equipment including an oscilloscope a high impedance voltmeter and a high voltage divider such as the Spellman HVD 100 or HVD 200 is neede...

Page 39: ...please give the model number and serial number of the power supply 7 2 Correspondence and Ordering Spare Parts Each power supply has an identification label on the rear of the chassis that bears its model and serial number When requesting engineering or applications information please state the model and serial number of the power supply If specific components or circuit sections are involved in t...

Page 40: ...e returned to the customer The Customer shall pay for shipping to and from Spellman A preliminary estimate for repairs will be given by phone by Customer Service A purchase order for this amount is requested upon issuance of the RMA Number A more detailed estimate will be made when the power supply is received at the Spellman Repair Center In the event that repair work is extensive Spellman will c...

Page 41: ...To obtain information on Spellman s product warranty please visit our website at http www spellmanhv com en About Warranty aspx ...

Page 42: ...bmenus Pushing the current encoder scrolls through the affiliated sections allowing you to make selections and exit to the previous menu Front Panel Meters in Standby HV OFF Turning on the power to the eSL and closing the front panel circuit breaker will place the eSL into the Standby HV OFF mode The front panel kV and mA meters are active in this mode showing actual kV and mA Because the power su...

Page 43: ...V encoder to set the kV program set point Rotate the mA encoder to set the mA program set point The two encoders are setup so if you turn the dial slowly they will change by the smallest increment possible If you rotate the encoder quickly they will change with larger increments Release the HV OFF button and the eSL will go back to the Standby HV OFF mode Main Menu Screen Pushing the current encod...

Page 44: ...r supply off with an Over Current fault if it ever tries to operate in Current Mode Press the current encoder once to access the Adjustable Overload Trip Enable menu Press the current encoder once to access the Enable Disable menu Rotate the current encoder to select Enable or Disable Once you have made your selection press the current encoder once to exit the Enable Disable menu Rotate the curren...

Page 45: ...u Press the current encoder to select the Slow Start menu Rotate the current encoder to select kV Slow Start mA Slow Start or Exit The kV and mA Slow Start can be set to a minimum of zero seconds and a maximum of 99 9 seconds Once you have selected the kV or mA Slow Start press the current encoder to move over to the time select menu Rotate the current encoder to set the desired time Press the cur...

Page 46: ...ncoder from the main menu and highlight Tutorial Press the current encoder once to select Tutorial Rotate the current encoder to navigate through the tutorial Press the current encoder once when at the last screen to revert back to the main menu ...

Page 47: ...ess the current encoder once to enter the Diagnostics submenu which will display Revisions LVPS Revisions Press the current encoder once to enter the Revisions menu Here pertinent information regarding the software firmware and hardware revision status will be displayed Press the current encoder once to exit LVPS ...

Page 48: ...iagnostics rotate the current encoder to select LVPS and press the current encoder once to make the selection This screen will show the actual measured voltage for the 24 15 10 5 and 3 3 volt internal housekeeping power supplies Press the current encoder once to exit ...

Page 49: ...ion contained in this publication is derived in part from proprietary and patent data This information has been prepared for the express purpose of assisting operating and maintenance personnel in the efficient use of the model described herein and publication of this information does not convey any right to reproduce it or to use it for any purpose other than in connection with installation opera...

Page 50: ...118158 001 REV A 2 OF 20 Document Revision Information Description Rev Date Initial Document Creation 1 0 October 26 2016 Reformatted and updated 2 0 November 2 2016 ...

Page 51: ... Get KV 14 9 1 4 3 4 Get mA 15 9 1 4 3 5 Request High Voltage Status 22 10 1 4 3 6 Request System Status 32 10 1 4 3 7 Clear Faults 52 10 1 4 3 8 Request ADC Data 20 11 1 4 3 9 Enable High Voltage 99 11 1 4 3 10 Disable High Voltage 98 11 1 4 3 11 Get Firmware revision number 66 12 1 4 3 12 Get Firmware Part number 23 12 1 4 3 13 Request Operation Mode 69 12 2 The eSL Test GUI 13 2 1 Installing th...

Page 52: ...118158 001 REV A 4 OF 20 ...

Page 53: ...by the software implementation of the Open Systems Interconnection OSI TCP IP protocol stack specifically the upper 4 layers Byte 0 Protocol Version Header Length Type of Service Total Length 4 Packet ID Flags Fragmentation Offset 8 Time To Live Protocol Header checksum 12 Source Address 16 Destination Address 20 Source Port Destination Port 24 Sequence Number 28 Acknowledgement Number 32 Data Off...

Page 54: ...e to change these settings by invoking the embedded web server To access the webserver using your preferred Internet browser enter unit s IP address on search text box The following menu will appear after you enter username and password The username is admin and password is shv Note Exercise caution when changing network settings as this may lead to communication failures ...

Page 55: ...gs as desired now Turn power off and remove the jumper Turn the unit back on The eSL should establish communications using the settings you entered 1 4 Messages Data Format 1 4 1 Messages sent from Host to the eSL Unit Messages are always transmitted from the host to the unit The host waits for the unit to reply before sending next message The unit never initiates a message transfer The message se...

Page 56: ... sent from unit to Host Unit received message successfully It sends data back to host STXCMD DATA DATA ETX Unit received message successfully No data to be sent It sends acknowledgement STXCMD ETX Unit received message in error It sends error code STX EC ETX Where STX ASCII 0x02 Start of message CMD 2 numeric ASCII characters representing the command ID See commands below ASCII 0x2C character DATA...

Page 57: ...d works in remote mode only Input range is 0 to 4095 Maximum mA equals 4095 Example set mA to 1024 Sent to Unit STX 11 1024 ETX Received from unit STX 11 ETX 1 4 3 3 Get KV 14 This command requests the unit return the voltage set point Input range is 0 to 4095 Maximum KV equal 4095 Example get KV set point Sent to Unit STX 14 ETX Received from unit STX 14 1024 ETX 1 4 3 4 Get mA 15 This command re...

Page 58: ...it return the system status as follows 1 Interlock closed 1 Interlock open 0 2 HV inhibited 1 3 Over voltage fault 1 4 Over current 1 5 Over power 1 6 Regulator error 1 7 Arc fault 1 8 Over temperature 1 9 Adjustable Overload fault 1 10 System fault 1 11 Remote mode 1 Local mode 0 Example Sent to Unit STX 32 ETX Received from unit STX 32 1 1 0 0 0 0 0 0 0 0 1 ETX 1 4 3 7 Clear Faults 52 This comma...

Page 59: ... to 5V 8 3 3V 2252 equal to 3 3V 9 Negative KV 3983 equal to unit full scale in kilovolts Example Sent to Unit STX 20 ETX Received from unit STX 20 0 1 4 3223 1867 1407 3417 2255 0 ETX 1 4 3 9 Enable High Voltage 99 This commands turns high voltage on if there is no faults and interlock is closed No arguments required Example Sent to Unit STX 99 ETX Received from unit STX 99 ETX 1 4 3 10 Disable H...

Page 60: ... 4 3 12 Get Firmware Part number 23 This command requests that the unit return the firmware part number Example Sent to Unit STX 23 ETX Received from unit STX 23 SWM0603 001 ETX 1 4 3 13 Request Operation Mode 69 This command returns the power supply operation mode 1 Current mode on 1 Current mode off 0 2 Voltage mode on 1 Voltage mode off 0 Example Sent to Unit STX 69 ETX Received from unit STX 6...

Page 61: ...g the eSL GUI Download latest version of eSL GUI from Spellman FTP site This will be an executable file Double click on it The following picture will appear Click Next Accept the destination folder shown or change to your preferred location Then click install ...

Page 62: ...118158 001 REV A 14 OF 20 If installation was successful the following screen will appear Click Close ...

Page 63: ...118158 001 REV A 15 OF 20 2 2 Communications Set Up After installing the eSL GUI open it up by clicking on Windows Start icon and selecting STD ESL Test GUI ...

Page 64: ...omms tab and check the network settings If these are correct click on Connect The default IP address is 192 168 10 61 The default IP Port is 50001 If the GUI communicates with the eSL unit correctly Com Status on bottom left should turn green and read Connected ...

Page 65: ...118158 001 REV A 17 OF 20 2 3 Main Menu Go to Main tab In this tab you can enter KV and mA set points You can also turn high voltage on or off read KV and mA values back check for faults and arc events ...

Page 66: ...Power and System Voltages Click on HV Power System Voltages tab The system voltages are constantly being monitored as long as the eSL unit is powered up The HV Power numeric box displays the product of monitored KV and mA values Units are Watts ...

Page 67: ...an logo The password is useraccess The Slow start group allows the user to set the KV and mA rise times Units are tenths of milliseconds The Number of arcs determines how many arcs are allowed before system shuts down high voltage The AOL checkbox enables the Adjustable overload feature Click Save User settings to save settings permanently ...

Page 68: ...118158 001 REV A 20 OF 20 2 6 About eSL GUI The About tab displays the part number and revision of DSP firmware and GUI This is helpful when reporting a problem ...