SY3634 - Troubleshooting Guide
Contents
1. Firmware YES YES NO Hardware problem Hardware problem Flow Chart 12 Ethernet connection problem solving e Set the computer subnet to the same one of the A36xxBS power supply If the A36xxBS power supply IP address is in the form 10 2 2 xxx where is a number included from 0 to 255 try to configure the computer IP address on the same subnet for instance as 10 2 2 1 e Configure XPort as default Use a web browser and connect to the A36xxBS power supply IP address as shown in Figure 5 Referring to Figure 6 click on Apply Default link and confirm eee Faults SY3634 Troubleshooting Guide Lantronix XPort Device Server Windows Internet Explorer 68 bttp 10 2 2 10 securesltx conf htm EEIE Fie Modifica Visualizza Preferiti Strumenti iy Preferiti Siti suggeriti Hotmail gratuita Personalizzazione collegamenti 4 Raccolta Web Slice EJ WindowsMedia Lantronix Port Device Server E Pagina Sicurezza Strumentis LANT2ON if Firmware Version V6 7 0 1 MAC Address 00 20 4A AD DB 83 tt Home Network Server Serial Tunnel Hostlist Channel 1 TM Connection Email Trigger 1 Trigger 2 Trigger 3 Configurable Pins Apply Settings Device Server Configuration Manager Version 1 6 0 2 4 410 Lantronix XPort Device Server Windows Internet Explorer2. Te Vox YOY 0 20 5g gt ZA 74 a U N o gt J a g 4 4 lt This product is licensed by Elettra Sincrotrone Trieste S C p A CAEN ELS Kraska ulica 2 6210 Sezana Slovenija Mail info caenels com Web www caenels com Table Of Contents FAOUET 8 1 1 DC LINK UNDER VOLTAGE 0cccccsssssssssssssessscsssessssssssssssssssssssesesessesseeeseeees 9 1 2 EXTERNAL INTERLOCKS cccsccccccceceesesssescecececesuesesesccceseceaueeseseeeeseesauaesses 12 1 3 CROW BAR PROTECTION 00csessesssssssssssssssssssssssesscnsssssssesssseessessesessseseees 14 1 4 OVER CURRENT 16 1 5 REGULATION 18 1 6 AUXILIARY EARTH 2 20 1 7 EARTH 22 1 8 MOSFET 24 1 9 SHUNT 26 1 10 BULK REDIG 2 28 111 29 1 1
3. http 10 2 2 10 securejlt H ERES File Modifica Visualizza Preferiti Strumenti Preferiti Siti suggeriti gt HotMail gratuita Personalizzazione collegamenti E Raccolta Web Slice WindowsMedia Lantronix XPort Device Server id A v Pagina Sicurezzay Strumenti v LANTRON ix Firmware Version V6 7 0 1 MAC Address 00 20 4A AD DB 83 Network Server Are you sure you want to Apply Factory Defaults Serial Tunnel Hostlist Channel 1 ettings n Email Trigger 1 Trigger 2 Trigger 3 Configurable Pins Apply Settings yr 100 Figure 6 Apply default Ethernet settings 7 SY3634 Troubleshooting Guide Faults 33 e Update the FPGA firmware Check for firmware updates on the CAENels website www caenels com and load reload the FPGA firmware e Hardware problem A severe hardware problem has occurred in the A36xxBS power supply module that is reporting the fault and the module needs to be sent to assistance A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate
4. 9 Shunt Over Temperature When the shunt temperature on the A36xxBS power supply module exceeds the user defined threshold value stored in the EEPROM the module triggers a fault SHUNT OVER TEMPERATURE Check if A36xxBS Reset Alarm gt module fans are YES rotating NO Increse temperature Repl f threshold in value cell 21 Hardware problem 4 NO YES Flow Chart 9 Shunt Over Temperature Follow Flow Chart 9 to solve the problem e Check shunt temperature threshold EEPROM value cell 21 The EEPROM value section cell 21 stores the temperature threshold that is compare with the shunt case temperature Values for this parameter should be between 40 C to 80 C Replace fans Unscrew the screws that lock the fans to the front panel unplug the cables connected to 1 and FAN_2 connectors and replace fans with spare ones A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate a _ SY3634 Troubleshooting Guide Faults 27 e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance WARNING removing the first A36xxBS module installed the SY3634 crate next to the A3636 auxiliar
5. threshold value stored in the EEPROM the module on board FPGA triggers a fault MOSFET OVER TEMPERATURE Check if A36xxBS Reset Alarm gt module fans YES rotating NO y Increse temperature Replace fans threshold value cell 20 Hardware NO Flow Chart 8 MOSFET over temperature Follow Flow Chart 8 to solve the problem e Check MOSFET temperature threshold EEPROM value cell 20 The EEPROM value section cell 20 stores the threshold value that is compared to the MOSFET common heat sink temperature Values for this parameter should be between 40 C to 80 C e Replace fans Unscrew the screws that lock the fans to the front panel unplug the cables connected to 1 and FAN_2 connectors and replace fans with spare ones WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a SY3634 Troubleshooting Guide Faults 25 shock hazard Switch OFF the general mains before extracting the board from the crate Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance WARNING removing the first A36xxBS module installed in the SY3634 crate next to the uxiliary power converter can cause a shock hazard Switch ains before extracting the board from the crate Faults SY3634 Troubleshooting Guide 1
6. 2 g o o o o o o o 31 July13 2011 1 1 February 27 2012 Comment First Release Some information added e g ripple and regulation threshold November 3 2014 Manual graphics changed SY3634 Troubleshooting Guide Faults Safety information Warnings CAENels will repair or replace any product within the guarantee period if the Guarantor declares that the product is defective due to workmanship or materials and has not been caused by mishandling negligence on behalf of the User accident or any abnormal conditions or operations Please read carefully the manual before operating any part of the instrument Z WARNINGZ High voltage inside do NOT open the boxes CAENels declines all responsibility for damages or injuries caused by improper use of the Modules due to negligence on behalf of the User It is strongly recommended to read thoroughly this User s Manual before any kind of operation CAENels reserves the right to change partially or entirely the contents of this Manual at any time and without giving any notice Disposal of the Product The product must never be dumped in the Municipal Waste Please check your local regulations for disposal of electronics products Faults SY3634 Troubleshooting Guide Read over the instruction manual carefully before using the instrument The following precautions should be strictly observed before using the SY3634 CAUTION
7. Do not use this product in any manner not specified by the manufacturer The protective features of this product may be impaired if it is used in a manner not specified in this manual Do not use device if it is damaged Before you use the device inspect the instrument for possible cracks or breaks before each use Do not operate the device around explosives gas vapor or dust Always use the device with the cables provided Turn off the device before establishing any connection Do not operate the device with the cover removed or loosened Do not install substitute parts or perform any unauthorized modification to the product Return the product to the manufacturer for service and repair to ensure that safety features are maintained This instrument is designed for indoor use and in area with low condensation SY3634 Troubleshooting Guide Faults The following table shows the general environmental requirements for a correct operation of the instrument Environmental Conditions Requirements Operating Temperature Operating Humidity Storage Temperature Storage Humidity 5 C to 45 C 30 to 85 RH non condensing 10 C to 60 C 5 to 90 RH non condensing Faults SY3634 Troubleshooting Guide 1 Faults The aim of this troubleshooting guide is to give users information and hints on how to solve possible problems on the SY3634 system the A3636 auxiliary power supply the exter
8. able threshold if the measured value its higher than the threshold a fault triggering condition takes place If the A36xxBS module for any reason does not correctly detect the leakage current to earth or it does not switch OFF the output driver the earth fuse placed on the A3636 auxiliary power converter module will blow up A36xxBS MODULE EARTH FAULT v Check if load has a gt Reset Alarm gt path to Earth YES NO y y Check Hardware problem NO Done value cell 31 J YES Flow Chart 7 Earth module fault Follow Flow Chart 7 to solve the problem e Check value section cell 31 The EEPROM value section cell 31 stores the threshold current value that is compared to the earth leakage current detected by the earth DCCT placed on each A36xxBS module Values for this parameter should be included between 50mA to 1000mA e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance 22 SY3634 Troubleshooting Guide 23 Faults WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate Faults SY3634 Troubleshooting Guide 1 8 MOSFET Over Temperature When the output stage MOSFETs common heat sink temperature the A36xxBS module exceeds the
9. as E F on the A3636 auxiliary front panel as shown in Figure 2 CAENe s FERMI elettra Earth Fault E Flight Mod A3636 AS Figure 2 A3636 E F light on auxiliary power supply Follow Flow Chart 6 to solve the problem 6 ann an SY3634 Troubleshooting Guide Faults AUX EARTH Replace 1AT fuse Check if load has gt on A3636 auxiliary path to Earth YES power converter NO y oy Hardware problem Done Flow Chart 6 Auxiliary Earth Fault e Replace the fuses on A3636 auxiliary power converter WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate Replace the 1AT fuse present in the inner side of the board as shown in Figure 3 e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance Earth Fuse 1AT a N _ Figure 3 A3636 auxiliary power supply earth fuse 21 Faults SY3634 Troubleshooting Guide 1 7 Earth Fault When any output terminal either positive or negative of the A36xxBS module has a direct path to earth an undesired current flows through this path The earth DCCT mounted on the module measures this current and compares its value to a configur
10. condition whenever their absolute difference exceeds by a user defined fixed limit this trigger switches off the A36xxBS power supply module A regulation fault generally arises when the load is not correctly connected or not connected at all to the output terminals of the power supply or the resistive part of the load is higher than the A36xxBS module ratings in terms of maximum output voltage This fault can be caused by a wrong choice of the PID compensator parameters as well The regulation fault current threshold is defined as the maximum steady state difference between the output desired setpoint value and the regulated actual output current readback value Factory default EEPROM cell 37 is 0 2 A for any A36xxBS modules REGULATION FAULT y Check load connected and gt Reset Alarm gt resistive part value NO y Check PID Y Hardware iiem ao 4 parameters e value cells 13 14 amp 15 YES Flow Chart 5 Regulation Fault Follow Flow Chart 5 to solve the problem e Check EEPROM value section cells 13 14 and 15 The EEPROM value section cells 13 14 and 15 store the A36xxBS digital regulator parameters i e and Kp If these values are not well matched to work on the actual load conditions the output current can reach after current set changes the set value too slowly e g tens of seconds and the difference between the set current and the a
11. ctual output current can be too high for an excessive time interval e Hardware problem SY3634 Troubleshooting Guide Faults A severe hardware problem has occurred and the module needs to be sent to assistance As the last check you may try to read to content of the EEPROM value field cell 37 this value should be factory default 0 2 A A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the ge ains before extracting the board from the crate OL Faults SY3634 Troubleshooting Guide 1 6 Auxiliary Earth Fault When any output terminal of any of the A36xxBS power supply modules installed in a SY3634 system crate has a path to Earth an undesired current entity flows through this path If this current is relatively small i e less the earth current DCCT detector installed on the corresponding A36xxBS module directly switches off the output H Bridge thus avoiding possible system damages If the A36xxBS module for any reason does not correctly detect the leakage current to earth or it does not switch OFF the output driver the earth fuse placed on the A3636 auxiliary power converter module will blow up A detection circuit directly feeds an opto coupler placed onthe inputs of the A36xxBS power supply modules installed in the SY3634 crate thus resulting in a fault and switching ON the red light marked
12. e board from the crate O Faults SY3634 Troubleshooting Guide 1 2 External Interlocks Each channel power supply is equipped with 8 external configurable faults each external interlock name can be changed by storing the desired string in the respective EEPROM cell Fields accessible with the commands MRF and cells from field 50 for Interlock 1 to field 57 for Interlock 8 are available The stored strings are then shown on the local display when the respective interlock is triggered When no real interlock is sent but the A36xxBS triggers fault please follow Flow Chart 2 to try solving the problem G EXTERNAL INTERLOCK Check external Reset Alarm gt YES interlock and cable Check enable amp activation Hardware problem Hardware problem masks cell 48 Done 49 and 50 57 YES Flow Chart 2 External Interlock Check EEPROM value section cells 48 49 and 50 to 57 The EEPROM value section cell 48 stores an ASCII hexadecimal notation the interlock enabling disabling mask For example a value of 05 means that only external interlock and interlock 3 note that interlocks are numbered from 0 to 7 are active and all the others are ignored The EEPROM value section cell 49 stores in an ASCII hexadecimal notation which input logic level LOW or HIGH must trigger a fault Fo
13. external bulk power supply module probably the fuses on the A36xxBS board are blown up e Check EEPROM value section cell 23 Faults SY3634 Troubleshooting Guide The EEPROM value section cell 23 stores the voltage threshold limit value that is compared with the actual DC Link voltage if the measured voltage value drops below the threshold the module FPGA triggers the DC Link under voltage fault Load a proper voltage threshold value to make the fault not being triggered again DC Link LED RESET DC LINK aux Ps 4 E DLO E LS ETHERNET e Mod A3630 PS Figure 1 A36xxBS DC Link LED e Replace fuses A CAUTION This operation can be done by expert personnel only A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate Remove the three 10A surface mounted fast fuses and mount equivalent new ones by a proper solder avoiding damaging other close components 10 SY3634 Troubleshooting Guide Faults e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting th
14. ization setup OVC Over Current protection Reset Alarm Check Load resistive part NO Vv Check calibration efficients Hardware problem N NO value cells 0 to 3 YES Flow Chart 4 Over Current protection Follow Flow Chart 4 Over Current protection to solve the problem e Check connected load resistive part If the connected load resistive part is too high the output power can exceed the capabilities of the A36xxBS module at high current sets e Check calibration coefficients EEPROM value section cells 0 to 3 The EEPROM value section cells 0 to 3 store the coefficient for the cubic calibration curve If for some reason these coefficients are corrupted the output current set will not correspond to the actual output current and may correspond to a high output power e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance 17 SY3634 Troubleshooting Guide Faults WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate Faults SY3634 Troubleshooting Guide 1 5 Regulation Fault The regulation fault diagnostics continuously compares the actual output current value with the current set and triggers a fault
15. nal bulk power supply unit the Hardware Sentinel Key HSK and the A36xxBS modules i e A3605BS A3610BS A3620BS and A3630BS Some faults can be caused software diagnostic routines solve arisen problems ection circuits and some other by lated flow charts in order to SY3634 Troubleshooting Guide Faults 1 1 DC Link Under voltage Each A36xxBS power supply module installed in the SY3634 system crate is capable of switching ON the external bulk power converter with a BON command please refer to SY3634 User s Guide for further details When a switch ON command is sent to the bulk unit it should imply the feeding of the 24V DC Link to the SY3634 crate if this does not happen a DC Link under voltage fault is triggered Try to follow the Flow Chart to problem DC Link Under Voltage AA Check if Bulk AC gt Reset Alarm input is OK 5 YES P Check DC LINK LED A36xxBS module rom module Check Parameters cell 23 Replace Fuses F2 F3 amp F4 on A36xxBS module YES Flow Chart 1 DC Link Under Voltage e Check DC LINK LED on the A36xxBS module The DC LINK green light see Figure 1 is ON when at least 12V are present on the output stage circuit of the A36xxBS module If this light is OFF and the DC Link is present on the SY3634 crate i e the DC_OK LED is ON in the
16. r example a value of 01 means that interlock 1 is triggered as fault when input is open and the voltage level is HIGH and Interlocks from 2 to 8 are triggered when input are closed assuming that all inputs are activated by a FF stored in cell 48 The EEPROM value section cells from 50 to 57 store the time of intervention for each interlock in milliseconds ms Hardware problem 12 SY3634 Troubleshooting Guide Faults A severe hardware problem has occurred and the module needs to be sent to assistance WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate OL Faults SY3634 Troubleshooting Guide 1 3 Crow Bar Protection The Crow Bar circuit shorts the A36xxBS output terminals by switching on a TRIAC if the output voltage exceeds a fixed threshold thus triggering the respective fault that consequently switches off the A36xxBS power supply module An unwanted high output voltage can be caused either by an uncontrolled sudden turning off of the H Bridge when an inductive load is used or by a wrong selection of the digital PID compensator parameters CB Crow Bar protection Reset Alarm NO YES Check PID parameters value cells 13 14 amp 15 rdware problem Flow Char
17. t 3 Crow Bar protection Please follow Flow Chart 3 to solve the problem e Check EEPROM value section cells 13 14 and 15 The EEPROM value section cells 13 14 and 15 store the compensator parameters i e Kp and Kp respectively If these gain parameters are not well matched to work on the actual load conditions the output voltage can oscillate during current set changes and subsequently can trigger the crow bar circuit to operate 14 SY3634 Troubleshooting Guide Faults e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate 2 0 Faults SY3634 Troubleshooting Guide 1 4 Over Current Protection The Over Current protection circuit measures the module input DC Link current by means of a surface mounted Hall effect sensor that switches OFF the output MOSFET drivers when the current exceeds a fixed threshold note that this threshold is lower than input fuses rating i e 30A An excessive input current can be caused either by an excessive output power request or by a hardware failure on the MOSFET H Bridge The Over Current fault can be also rarely caused by a wrong EEPROM parameter
18. tched to work on the actual load conditions the output current can tend to oscillate and these oscillations can be greater than a pre defined threshold An oo G Faults SY3634 Troubleshooting Guide example of this behavior can be represented by a worse case of trace M3 in Figure 4 e g it is closer to instability than trace M2 response e Hardware problem A severe hardware problem has occurred and the module needs to be sent to assistance File Yertical Timebase Trigger Display Cursors Measure Math Analysis Utilities Help imebase 500 ps 6 00 msidi S00 Figure 4 step responses for different PID parameters A WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate SY3634 Troubleshooting Guide Faults 1 12 Ethernet Connection Flow Chart 12 may be used whenever a user is unable to remotely connect to an A36xxBS power supply module neither by TCP IP nor UDP Ethernet connection not possible Check computer Subnet is the Ping the PS IP port ame of PS s IP is NO Set computer IP Check Ethernet with the same cable connection subnet YES Configure Switch ON and than Done YES XPORT as OFF the Auxiliary Default Power Supply Update FPGA
19. utput current ripple fault diagnostics continuously compares if the actual output current value is within a pre defined current threshold interval and triggers a fault condition this trigger switches off the A36xxBS power supply module A ripple fault generally arises when the internal digital PID parameters are not well matched tuned to the connected load This fault can be caused by a wrong choice of the PID compensator parameters as well by a too small threshold value This threshold value can be found in EEPROM cell 39 see SY3634 User s Manual for further details and the default value 15 1 of full scale e g 50 mA for a A3605BS module RIPPLE FAULT YES Check Reset threshold Alarm value cell 39 YES NO y Check PID parameters Hardware problem value cells 13 Done 14 amp 15 YES Flow Chart 11 Ripple Fault Follow Flow Chart 11 to solve the problem e Check EEPROM value section cell 39 The EEPROM value section cells 39 stores the A36xxBS current ripple threshold parameter This threshold has to be interpreted as the maximum ripple amplitude value i e half of the peak to peak allowable ripple e Check EEPROM value section cells 13 14 and 15 The EEPROM value section cells 13 14 and 15 store the A36xxBS digital regulator parameters i e and Kp If these values are not well ma
20. y power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate Faults 1 10 Bulk Redundancy SY3634 Troubleshooting Guide When one of the external FPS1000 24 AC DC power converters composing the bulk power unit is faulty a dry contact signal is fed to all the A36xxBS modules connected to the SY3634 This dry contact signal is generated by the Hardware Sentinel Key HSK mounted on the 25 pin connector placed on the back side of the external bulk FPS1000 1U crate BULK REDUNDANCY y Check DC OK LED 51000 24 YES modules Replace HS Key NO Check if AC input is present Replace FPS1000 24 module if necessary NO y 5 Hardware problem Flow Chart 10 Bulk redundancy Follow Flow Chart 10 to solve the problem Replace HS Key 75 A CAUTION switch OFF the GENERAL Mains before unplug the bulk cable from the HS Key and the FPS1000 case e Hardware problem A severe hardware problem has occurred in the A2630BS DC DC module that is reporting the fault and the module needs to be sent to assistance WARNING removing the first A36xxBS module installed in the SY3634 crate next to the A3636 auxiliary power converter can cause a shock hazard Switch OFF the general mains before extracting the board from the crate SY3634 Troubleshooting Guide Faults 1 11 Ripple Fault The o
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