Technical Information Manual
Contents
1. IN AMP 280371 2 RS485 Input adaptable to RS232 standard see also 4 2 2 OUT AMP 280371 2 RS485 Output USB B TYPE USB USB2 0 compliant realized via USB RS232 FT232BM converter RS 485 Serial Port Interface allows to control up to 32 modules connected by a twisted pair cable the first and last modules must be terminated see 4 2 NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 13 CAEN is for PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 2 5 Rear panel connections 2 5 1 HV Channel Output Ha f Di Fig 2 9 HV Channel panel and test point electrical scheme NAME TYPE FUNCTION MON AMP 280371 2 Vout lout Test point OUT SHV HV Channel Output The test points allow to monitor the Channel Output Voltage and Current according to the following conversion VMON Voltage level 1V 1 5 kV 1 readout same polarity as channel IMON Voltage level 1V 66 uA 3 readout positive 0 5 V range NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 14 CAEN foals ror LIES EE Vi FI PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 2 6 Technical specifications table Table 2 3 Mod N1471 Channel technical specifications Output channels Positive or Negative Polarity r2. 5 35 CHANNELS MENU ske 31 ES MESTERE se ER E EE EE EE AE 31 FIG 3 37 CHANNELS GROUP SET DING gap keepere OE oe bee oe od ee EG oe ee ie ie 31 PIG 25 28 FIRMWARE UPGRADE MENU eis sesse de GN Ge Es Ge ee Ee Ge akd Gee Se Ge ee Ge Ge vane 32 FIG 3 39 FIRMWARE UPGRADE MENU 2 sssssssseccccccccccccceeessssssssseeeesccccccessenenssssssseseesesececeasseeeeaasssseseeesess 32 FIG 540 FORMAT EEPROM MENU issie ones asses oe ornen ie bed ede as ee ee ee ee oe oe dese ee eg ape es boe deed ees 32 FIG 4 1 POLARITY SELECTION INSTRUCTIONS ie ou es es Ge i a ee ee a EE Ea ee ee Ge 37 EE 2 Dip Sy 1 CPO SEG EE EE REN 38 LIST OF TABLES TAB IE TAN AMIGA IE TEMS een 7 NPO Filename 00112 07 N1471 MUTx 01 N1471_REV1 DOC Number of pages Page 38 5 CAEN Q fools for Discover PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 TABLE 2 POWER ON 8 TABLE 2 2 RMN 13 TABLE 2 3 MOD N1471 CHANNEL TECHNICAL SPECIFICATIONS s rrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 15 TABLE SI SMILEYS BI N a RO a OR EE EE 26 NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 6 CAEN Is for PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 1 General description 1 1 Overview Fig 1 1 Mod N1471 4 Channel P
3. Cho Ch1 Ch2 Ch3 Polarity Vmon 0000 0 Y 0000 0 V A000 A 0000 0 Y Imon 6800 60 uA 000A 0A uA 9009 BB 0000 0A uA Status Dis Dis Dis Dis Power Off Off Off Vset 1100 0 1100 0 V 3000 00 uf 3000 00 uf Maxy Ramp Up Ramp Down Trip Power Down Imon Range High Reset Alarm Quit Group Mode Fig 3 37 Channels group setting Type Q to exit the Menu Filename Number of pages Page N1471_REV1 DOC 38 31 CAEN Q Tools for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 4 2 4 Remote Control firmware upgrade By typing U it is possible to access the firmware upgrade menu C A E N N1471 4 Ch HY Power Supply 1 00 Addr 00 Firmware Update Are you sure y n _ Fig 3 38 Firmware Upgrade Menu 1 If lt y gt is typed then the following menu is shown C A E N N1471 4 Ch HV Power Supply V1 08 Addr 00 Firmware Update Are you sure y n When the message Firmware Updating Complete is displayed wait few seconds and then press caen Resetting Flash Erasing Ready to receive Please send the new firmware Fig 3 39 Firmware Upgrade Menu 2 At this point it is necessary to upload the updated firmware If HyperTerminal is used it is necessary to perform Transfer and Send Text File operations by selecting the file N1471 xxx 3 4 2 5 Remote Control forma
4. 4 2 Dip switch position 4 2 1 Local Bus termination The SWI1 a switch placed on the Microcontroller board inside the module behind the Remote communication control section see 8 2 4 4 allows to terminate the Local Bus for daisy chain purposes see 3 4 1 2 dot NOT visible Termination ON 4 2 2 RS485 RS232 conversion The SW 200 201 switch placed on the Microcontroller board inside the module allows to adapt RS485 signals to RS232 dot visible Adaptation ON NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 38
5. Power Supply 5 5 kV 300 HA 5 nA res WN1471A05AAC N1471A 2 Channel NIM Programmable HV Power Supply 5 5 kV 300 uA 5 nA res WN1471BOSAAC N1471B 1 Channel NIM Programmable HV Power Supply 5 5 kV 300 HA 5 nA res N147X Control Software NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 7 CAEN Is for Oiscove PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 2 Technical specifications 2 1 Packaging The Model N1471 is housed in a single width NIM module 2 2 Power requirements Table 2 1 Power requirements Voltage Current 850 mA 850 mA NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 8 CAEN PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 2 3 Front and back panel HIGH VOLTAGE PROGRAMMABLE POWER SUPPLY Fig 2 1 Mod N1471 series front panel NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 9 CAEN ols for Discover PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 Fig 2 2 Mod N1471 series back panel NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 10 CAEN Is for Di
6. its frame is shown in red and its name in blue it is now possible to change the parameters value UMON U 0000 8 d U 4 TER Fig 3 10 Channel VSET access screen Turn the TUNE ROTARY SWITCH until the value digit to be edited is shown in blue the parameter name in yellow NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 20 CAEN l for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 umon tv 4408 4 O VSET U 11999 68 Fig 3 11 Channel VSET digit selection screen Push the TUNE ROTARY SWITCH at this point the value digit becomes yellow and can lumon tv 6088 4 4 USET 4 1009 6 Fig 3 12 Channel VSET digit access screen Turn the TUNE ROTARY SWITCH until the digit reaches the desired value umon rv O USET U HiHEN N Fig 3 13 Channel VSET digit adjust screen Confirm it by pushing the TUNE ROTARY SWITCH the edited digit returns blue Al UMON tv VEER TES VW F MUN Fig 3 14 Channel VSET digit confirm screen NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 21 CAEN r Discover PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 Once all the digits are set to the desired
7. 10 1 3 2 1 HV connection Verify the channels polarity polarity setting is explained in 3 5 checking that the polarity LEDs are switched on according to the programmed configuration see 2 4 2 verify the HV_EN OFF KILL 3 POS SWITCH of each channel is set to OFF the Display will show the following message in the left lower row H UPON 1 Ha 121214 Y OVIMON vA F 1099 908 Fig 3 2 Channel OFF status screen now connect the HV cable linking the outputs to the loads to be supplied and enable the HV outputs switching the HV EN OFF KILL 3 POS SWITCH in the HV EN position the Display will show the following message in the left lower row 4 UMON U OVIMON vA ATTENT Fig 3 3 Channel ON status screen The KILL position of the HV EN OFF KILL 3 POS SWITCH allows to turn off the module at the fastest available rate the Display will show the following message in the left lower 1 UMON U AEEEERG 3 IMON UR L BBU bbe Fig 3 4 Channel KILL status screen NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 18 CAEN L for HEESE PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 2 2 Module settings Module settings are general board settings turn the TUNE ROTARY SWITCH until this screen is shown Fig 3 5 Mode settings status screen Push the TUNE ROTARY S
8. 4 3 2 2 4 4 2 5 REAR PANEL CONNECTIONS HV Channel Output Zoek 2 6 TECHNICAL SPECIFICATIONS TABLE 3 OPERATING MODES SL PROGRAMMABLE PARAMETERS Boards parameters IS OE OE AE N 3 1 1 le 3 2 LOCAL CONTROL Jad AA Idd Ad SD 3 3 CURRENT MONITOR OFFSET CALIBRATION 34 REMOTE CONTROL Serial Links 3 4 1 3 4 1 1 3 4 1 2 3 4 1 3 3 4 1 4 3 4 2 3 4 2 1 5422 3 4 2 3 NPO 00112 07 N1471 MUTx 01 Mva bd Interlock Siel ea GER EE GEE ee Ge DE Remote communication control section GN ES SEE EG Y EE OD N EA EK or USB communication ee ee ee ee ee ee ee ee RS232 communication sine RE SR Ge EG EE ee Re Ge Ee Ge RS485 communication ee ee ee ee Ethernet CommunicatlON ee ee ee ee ee ee ed Communication Control EES SES ee ee ee Remote Control Main MENU ee ee ee ee ee ee ee Remote Control General Menu ee ee ee ee ee Remote Control Channels MENU ee ee ee ee ee Filename N1471 REV1 DOC HV connection Module settings Channel settings ee RR EE ee ee ee ee ee ee PRELIMINARY Revision date Revision 24 03 2010 1 Number of pages Page 38 3 CAEN iy for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3424 Remote Control firmware Wp erage Lane ee S 32 3 4 2 5 Remote Control format EEPROM esoerevvernvvnrnenernensrnennrnensrnensrnensrne
9. Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 Operating modes Module control can take place either locally or remotely via USB or RS485 see 8 3 3 3 1 Programmable parameters 3 1 1 Boards parameters General board parameters CONTROL can be operated both in LOCAL and REMOTE mode other monitor and settings are allowed in LOCAL mode only see 3 2 2 include Parameter Function Display Power Monitor Module power supply status Termination Monitor Local Bus termination status ON OFF HV Clock Monitor Sync clock frequency 200 10 kHz correct value Local Bus Baud Rate 9600 19200 38400 57600 115200 Baud Monitor Set Local Bus Address Local Bus address for remote communication 0 31 Monitor Set USB Baud Rate 9600 19200 38400 57600 115200 Baud Monitor Set INTERLOCK Monitor Set CLOSED OPEN OPERATION see 2 4 3 2 t CLOSED REMOTE the module is controlled remotely local monitor is allowed CONTROL LOCAL REMOTE switch is enabled Monitor Set OK i LOCAL the module is controlled locally remote monitor is allowed ILOCAL NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 16 CAEN ols for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 1 2 Ch
10. HVCKFAIL 1 Internal HV Clock FAIL 200 10kHz 3 5 5 SET commands related to the Channels The following table contains the strings to be used to handle set commands related to the Channels The X in the Field Channel can be set to the 0 4 values When X 4 the command is issued to all 4 Channels BD xx CMD SET CH X PAR VSET VAL XXXX X BD xx CMD SET CH X PAR ISET VAL XXXX XX BD xx MD SET CH X PAR MAXV VAL XXXX BD xx CMD SET CH X PAR RUP VAL XXX BD xx CMD SET CH X PAR RDWN VAL XXX BD xx CMD SET CH X PAR TRIP VAL XXXX X BD xx CMD SET CH X PAR PDWN VAL RAMP KILL BD xx CMD SET CH X PAR IMRANGE VAL HIGH LOW Set IMON RANGE value 3 5 6 SET commands related to the module BD xx CMD SET PAR BDILKM VAL OPEN CLOSED Set Interlock Mode BD xx CMD SET PAR BDCLR Clear alarm signal parameter IMRANGE can be changed only on modules featuring IMON zoom optional NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 36 CAEN Q Tools for Discovery Document type User s Manual MUT PRELIMINARY Title Revision date Revision N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 4 Internal Settings 4 1 NPO 00112 07 N1471 MUTx 01 Polarity selection The output polarity is independently selectable for each channel Note that the polarity is indicated by two LEDs for each channel on the front panel see 2 4 2 In order to change the polarity t
11. ONN In Interlock signal 2 4 3 1 Alarm signal GND NIM Fig 2 6 N1471 ALARM electrical scheme Alarm signal output signal electrical scheme is reported in the figure above The maximum output is 400mA 12V on Pins 2 4 3 2 Interlock signal TT i w fh lt i GND F Ej faa el e go AA ye GR D Lg len ma oa im lm Fig 2 7 N1471 INTERLOCK electrical scheme A schematic diagram of the Interlock input is shown in the figure above where the diode is part of optocoupler stage Interlock means that channels are hardware disabled The interlock operation is explained by the following table NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 12 CAEN is for Discover PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 Table 2 2 Interlock operation CONFIGURATION JV INTERLOCK MODE 3 1 1 gt OPEN CLOSE INTERLOCK ENABLED INTERLOCK ENABLED ENABLED INTERLOCK voltage level 4 6V 5mA current between pin 2 and pin 3 ENABLED INTERLOCK The front panel Interlock LED is ON when the INTERLOCK is enabled as INTERLOCK is enabled channels are turned off at the fastest available rate regardless the RAMP DOWN setting 2 4 4 Remote communication control section Fig 2 8 Remote communication control and RS485 I O RS232 IN electrical scheme NAME TYPE FUNCTION
12. Pi By Technical Information Manual Revision n 1 24 March 2010 MOD N1471 4CH PROGRAMMABLE HV POWER SUPPLY MANUAL REV 1 NPO 00112 07 N1471 MUTx 01 CAEN 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 CAEN declines all responsibility for damages or injuries caused by an improper use of the Modules due to negligence on behalf of the User It is strongly recommended to read thoroughly the CAEN User s Manual before any kind of operation C CAEN 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 CAEN I for covert Document type User s Manual MUT Title N1471 4 Channel Programmable HV Power Supply TABLE OF CONTENTS 1 GENERAL DESCRIPTION 1 1 OVERVIEW 2 TECHNICAL SPECIFICATIONS 2 1 PACKAGING 2 2 POWER REQUIREMENTS 2 3 FRONT AND BACK PANEL 2 4 FRONT PANEL CONNECTIONS Local control section Channel control SECTION ccccccceccesccsecccssccusccescccusceusseuscees HV Status control section 2 4 1 2 4 2 2 4 3 2 4 3 1 2
13. WITCH in order to access MODULE parameters the MODULE frame becomes red Fig 3 6 Mode settings access screen The TUNE ROTARY SWITCH allows to select the parameter to be set turn the ROTARY SWITCH until such parameter is displayed for example CONTROL then select it by pushing the ROTARY SWITCH the parameter is shown with a red frame as long as it is active Fig 3 7 Mode settings edit screen Select the desired value by turning the TUNE ROTARY SWITCH and confirm it by pushing the switch itself NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 19 CAEN EA for Ormcevery PRELIMINARY Document es Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 2 3 Channel settings In order to operate Output Channel settings Turn the TUNE ROTARY SWITCH until the channel number to be set is displayed in the left upper row for example Channel 0 Push the TUNE ROTARY SWITCH at this point the frame of the left upper row channel number becomes red and the channel is selected 8 unos U o 6000 0 4 I MON UR F B00 Bt Fig 3 8 Channel settings edit screen Turn the TUNE ROTARY SWITCH until the parameter to be set for example VSET is displayed in the right lower row B UMON UI BOBA d 0 USET U 1009 Fig 3 9 Channel VSET select screen Push the TUNE ROTARY SWITCH at this point the parameter is selected
14. annel settings For each channel the following parameters can be programmed and monitored either locally or remotely see 3 2 3 Parameter Function Unit Display 1 enn ini Vmon High Voltage Monitored value Volt Ee Imon Current Monitored value uA ooo F 88 086 2000 at Vset High Voltage programmed value Volt 3500 6 Iset Current Limit programmed value uA Pd ho Hl Absolut i High Volt level that th jogg A HMM k Max solute maximum High Voltage level that the channel is allowed to reach see 2 6 18198 ARBA E Ramp Up Maximum High Voltage increase rate V s D ISHK EER Ramp Down Maximum High Voltage decrease rate Vis 0 Power Down Power Down mode after channel TRIP KILL or RAMP UMON 1 Tri Maximum time an overcurrent is allowed to 0768 8 np last expressed in seconds see 2 6 3 ia pr R 3 2 Local Control Insert the unit inside a powered NIM crate and switch it ON At the power the Display shows for a few seconds the following screen CAEN NUCLEAR MOD N1471 REL 1 68 Fig 3 1 Welcome screen At this point the module is ready to be operated locally The TUNE ROTARY SWITCH see 8 2 4 1 is lit up as long as Local Control is enabled NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 17 CAEN Q Fools for Discover PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 20
15. communication diagram The module is provided with a USB2 0 compliant interface see 2 4 4 The N1471 can be programmed via PC by connecting the PC USB port with the N1471 USB B type port the featured controller the FT232BM chip requires drivers freely available at http www ftdichip com Drivers VCP htm the site also provides installation instructions for all OS s http Awww ftdichip com FTDocuments htm The connection can be performed via terminal emulator such as HyperTerminal configured as follows baud rate 9600 the same set on the N1471 See 8 3 2 2 Data bits 8 Parity none stop bit 1 Flow control Xon Xoff It is also possible to build a daisy chain of up to 32 N1471 s with the first module connected to the PC USB port and the subsequent ones daisy chained through the COMM IN OUT as explained in 3 4 1 3 in this case communication with the chained modules is achieved through the USB RS485 Communication Protocol see 3 5 All modules must be assigned a LOCAL BUS ADDRESS see 3 1 1 different from one another and the last one must be terminated see 4 2 1 NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 2 CAEN Q Tools for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 4 1 2 RS232 communication N147x Adapt ON Fig 3 29 RS232 comm
16. cssascssnseecasescasescesencs 19 FIG 3 8 CHANNEL SETTINGS EDIT SCREEN csceccsscecceccscescesceccscescescescecescescescecescescescssessescescescesescescescscessescesceses 20 HH oO CHANNEL VSE T SELECT ENNN N ER eC 20 FIG 3 10 CHANNEL VSET ACCESS SCREEN cccceccecceccscccecceccsccscecceccecesceccescsctscesceecesescescecsscesescescesessessescesceses 20 NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 4 AEN Q Is for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 FIG 3 11 CHANNEL VSET DIGIT SELECTION SCREEN rrrnnnnnnrrnvvnvvrvrnnnnnnnnnnnnnnnrrnrrnnrrrrrnnnnnnnnnesennnrrrnennnsrrnnnnnnnnnsssssne 21 FIG 3 12 CHANNEL VSET DIGIT ACCESS SCREEN iis sees sees EA se Ge SR se ee EE see oe Se Ge Ge Se be ee GE se ei Ge ed de 21 FIG 3 13 CHANNEL VSET DIGIT ADJUST SCREEN iss ss sesse ss ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 21 FIG 3 14 CHANNEL VSET DIGIT CONFIRM SCREEN sesse ese sesse ee sesse ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ede AR RE Ee ee ee ee 21 FIG 3 15 CHANNEL VSET CONFIRM SCREEN sonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 22 FIG 3 16 CHANNEL V SET DE SELECT SCREEN sronnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
17. d the last module in the chain see 4 2 The module control can be done in one of the following ways NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 28 CAEN ly for Discover PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 o by connecting a RS485 controller to the first module s COMM IN port o by connecting a RS485 controller to the last module s COMM OUT port Communication with the chained modules is achieved only through the USB RS485 Communication Protocol see 3 5 3 4 1 4 Ethernet communication N147x Adapt ON Ethernet NIM8301F Fig 3 31 Ethernet communication diagram It is possible to communicate via Ethernet with one or more daisy chained N1471 modules through the NIM8301 Fan Unit Communication via Ethernet is possible only through the USB RS485 Communication Protocol The single module or the first module of the daisy chain must be connected to the Fan Unit RS232 port through the cable adapter see figure below connected to the N1471 COMM IN port SW 200 201 switch placed on the Microcontroller board inside the module must be set to Adaptation ON see 4 2 2 Fig 3 32 RS232 port cable adapter The CAEN Mod NIM8301 is a 7U 5 2 full size NIM crate 19 12 slot available with pluggable 300W and 600W power supplies ventilated by pluggable 2U fan unit R
18. eg ed ie 10 FIG 2 3 LOCAL CONTROL PANEL ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ed 11 FIG 2 4 CHANNEL CONTROL PANEL AND KILL SCHEME sccsccscsceccecceccscescscscescescscecescescescsscscescescescscessescesceses 11 FIG 2 5 N1471 HV STATUS CONTROL PANEL ccccecceccscscecceccsccscscescscescescescscescescescesessesceecsscssescescescssessescesceses 12 HMM ENTEN 12 FIG 2 7 N1471 INTERLOCK ELECTRICAL SCHEME rernevnvvnvnennennennennnnennennennenennennennennnnennennennenennennennennenennennenneneen 12 FIG 2 8 REMOTE COMMUNICATION CONTROL AND RS485 I O RS232 IN ELECTRICAL SCHEME cscesceeceees 13 FIG 2 9 HV CHANNEL PANEL AND TEST POINT ELECTRICAL SCHEME csceccsceccsceccececcececcscecescecesescesescucesceseecs 14 Me KVEN 17 FIG 3 2 CHANNEL OFF STATUS SCREEN csccscoscosceccscescescesceccscescscsscscescescescssescescescesessescescsscssessescescssessesceseeses 18 EE 3 CHANNEL ON STATUS NNN 18 FIG 3 4 CHANNEL KILL STATUS SCREEN ies sesse Sie ese SE ee ee dene ede ee Silene ese ee Se Ge ee ee ee ee Se Gee Ge ee Se Gee ee 18 HD MEDE SING STAT SMN 19 FIG 3 6 MODE SETTINGS ACCESS SCREEN sccsccscecceccsccsceccesceccscescscescscescescescscescescescesessescescescssescescescssessescesceses 19 FIG 3 7 MODE SETTINGS EDIT SCREEN csccscscoscecescscescscescsceccscsccecscoscscescscscscnsesceseecsseecsses
19. emote control and monitoring take place through CAN bus Ethernet USB and RS232 interfaces NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 29 CAEN Q Tools for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 4 2 Communication Control As the communication is established the Main Menu will be displayed 3 4 2 1 Remote Control Main Menu HH HH HH HHHH HHHHHH HH HHH HH HHHH HH HH HH HHHH HH H HH HH HEHEHE HH HH HH HHH HH HH HH HH HH HH HHHH HHHH HH HHHH C A E N N1471 4 CH 5 5KV 300uA 1 00 Addr 08 BOARD MENU Display Display modify channels Format Reformat EEPROM General General board status Update Firmware Update Quit Abandon program Select Item Fig 3 33 Main Menu Type D to set monitor channels parameters Type F to format the EEPROM Type G to monitor board status Type U to upgrade the firmware Type Q to exit the program 3 4 2 2 Remote Control General Menu By typing G it is possible to access the General Menu which includes the board s general settings C ALE N N1471 4 Ch HV Power Supply VI OG Addr Serial Number lt 5 Boot firmware Version 1 8 Local Bus Termination OFF Interlock Active CLOSED Internal Supply OK Over Power NO HV Clock 200 KHz 199 KHz Press I to change Interlock Mode or any key to quit Fig 3 34 Board Status M
20. enu 3 4 2 3 Remote Control Channels Menu By typing D it is possible to monitor and set all the channels parameters listed in 3 1 2 NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 30 CAEN Q fools for Discovery Document type Title User s Manual MUT N1471 4 Channel Programmable HV Power Supply Revision date 24 03 2010 PRELIMINARY Revision 1 00112 07 N1471 MUTx 01 C A E N N1471 4 Ch HV Power Supply VI Addr 08 Ch Ch1 Ch2 Ch3 Polarity Vmon 0000 0 Y Imon 6006 00 mA Status 0000 0 V 0000 00 uf 0000 0 V 0000 00 uf 0000 0 V 0000 00 uf Power Vset 1000 0 Y Iset 2751 55 uf Off 2000 0 V 2112 00 uf Off Off 2005 0 V 4000 0 Y 0997 00 uf 1000 00 uf Maxu 8106 Y 8100 Y 8100 V Ramp Up 500 V S 500 YZS 500 YZS Ramp Down 500 V S 500 V S 500 YZS Trip Inf inf int Power Down Kill Kill Kill _Group Mode Reset Alarm Quit Fig 3 35 Channels Menu In order to change one parameter point the parameter with the arrow keys see figure below and type the desired value confirm by pressing lt Enter gt Power and Power Down can be changed using the lt Space gt bar J LL Fig 3 36 PC keyboard When one parameter is active by typing G it is possible to make a group setting i e broadcast the same value to all channels the parameter becomes active on all channels see figure C A E N N1471 4 Ch HV Power Supply V1 00 Addr 00
21. equires internal setting see 4 1 Output ranges 5 5kV 300A Vset Vmon Resolution 0 5600 V Absolute maximum HV level that the channel is allowed to reach independently from the preset value Vset Output voltage cannot exceed the preset value Vmax The accuracy is 1 5 V Alarm output Open collector 100 mA maximum sink current Interlock input LOW lt 1V current 5mA HIGH 4 6 V Ramp Up Down 1 500 Volt s 1 Volt s step Max time an overcurrent is allowed to last seconds A channel in overcurrent works as a current generator output voltage varies in order to keep the output current lower than the programmed value Overcurrent lasting more than set value 1 to 9999 causes the channel to trip Output voltage will drop to zero either at the Ramp down rate or at the fastest available rate depending on Power Down setting in both cases the channel is put in the OFF state If trip INFINITE overcurrent lasts indefinitely 0 02 of read value 2V 0 02 of read value 2V Humidity range 0 80 Operating temperature 0 45 C Storage temperature 10 70 C maximum gt The module is calibrated by introducing a positive offset on the current monitor see details in 3 3 Measured with 1m cable length 2nF capacitance From 10 to 90 of Full Scale Range NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 15 CAEN for Discover PRELIMINARY
22. he unit must be switched off and wait for the complete discharge of the capacitors then remove the side covers thereby making access to the Printed Circuit Boards Antistatic Gloves must be worn before touching any internal part Lay down the unit NIM crate connector on the right and the front panel on the left components side up and refer to the following figure the blue arrow indicates diode bridge box placed to configure channel as POSITIVE TY Pr pis PEPI s LL SITIVE PC Q T POSITIVE POLARITY DE O 2 7 i Z O O 3 a 8 n d 4 mi FA 6 P2 pw amp T NEGATIVE POLARITY DE O fan 2 2 O O Fig 4 1 Polarity selection instructions Filename Number of pages Page N1471_REV1 DOC 38 37 CAEN Tools for Discovery PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 In order to choose the POSITIVE POLARITY plug the diode bridge box with the symbol towards the connector side In order to choose the NEGATIVE POLARITY plug the diode bridge box with the symbol towards the connector side Always pull and plug the diode bridge box by holding it on the handle pointed by the arrow in Fig 4 1 wearing antistatic gloves 4 2 Internal switches EE Pa ra enor BET ka ne Aag La apazaaee arta ke lew l EEE Eet EERE EE EEFI Riis Rii FIL Fig
23. ield not present or wrong Channel value BD PAR ERR Field parameter not present or parameter not recognized BD VAL ERR Wrong set value lt Min or gt Max BD LOC ERR Command SET with module in LOCAL mode Each string is terminated by lt CR LF gt Format response in case of correct command BD CMD OK VAL command Ok value for command to individual Channel BD CMD OK VAL command Ok values Ch0 1 2 3 for command to all Channels Numerical value Field VAL has Format compatible comma and decimal part with the resolution and the range related to the parameter Each string is terminated by lt CR LF gt 3 5 3 MONITOR commands related to the Channels The following table contains the strings to be used to handle monitor commands related to the Channels The X in the Field Channel can be set in the 0 4 range When X 4 the module returns the values of the parameter of all 4 Channels NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 33 CAEN PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 sm Yanan gy Read out VSET value XXXX X V Read out VSET minimum value 0 V Read out VSET maximum value 8000 0 V Read out VMON value XXXX X V BD xx CMD MON CH X PAR ISET Read out ISET value XXXX XX yA Read out ISET minimum value 0 HA Read
24. nnnnne 22 INE RR NN 22 HOD 15 CANNEL E MT SCREEN sees SG Ne ands ee Ge See saat NR sees due saad Nawab be SG ee Ge ee RE 23 TN GROUPS MN 25 EP EGGE EEE EE ET 25 FIG 3 21 GROUP VSET ACCESS SCREEN sesse done see ee see ee oe dee ee ee bene ee od ee EG oe ee ee 24 FIG 3 22 GROUP VSE DIGIT SELECTION SCREEN sacssssscnnssccsenteastanteaicsandeassuanavicdsan te NNN AENEAN NTRA 24 FIG 3 23 GROUP CHANNEL VSET DIGIT ACCESS SCREEN oororrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnne 24 FIG 3 24 GROUP V SET DIGIT ADJUST SCREEN sasaszsssacasdeaseeanseedseanbeonsiansscsaeasiwadebante es Soe ee ae en ee ee ee Go ei ee 24 FIG 3 25 GROUP V SET DIGIT CONFIRM SCREEN sosio ee ee Ge ei So EG es be Ge ki oe ek EG ee bee Gee 25 FIG 3 26 CHANNEL VSET DE SELECT SCREEN is siese Es os EG Ke eo ee se ee se ee ee Ve ese ee Ee ee se ee Ee ee sees 25 FG 521 GROUP EXIT SCREEN save 25 FIG 3 28 USB COMMUNICATION DIAGRAM sesse ss ss ss ss ss ss na Nene nRa NAAN NATNR EE NAENDA 27 FIG 3 29 RS232 COMMUNICATION DIAGRAM esse sesse sesse sesse de dee ee ee ee ee AA 28 FIG 3 30 RS485 COMMUNICATION DIAGRAM ss ee ee ee ee ee 28 FIG 3 31 ETHERNET COMMUNICATION DIAGRAM sesse esse sees esse ee ee sees ee ee ee ee ee ee ee ee ee ee ee ee ee ee eed ee ee ee AR ee ee 29 ERE ADAPTER RE N RR ER OE N NE 29 OER NAN ME EN veers a EE N OE EE EO N EE EE 30 Hi 4 BORD ELE ME DI esse ko eN ee n SE GE Ee n sat ecient Ee EP EE ee GE ee 30 PIG
25. nsrnensrnensrnsrnensnnenenneneeneneeneneeneneeeenennenen 32 3 5 USB RS485 COMMUNICATION PROTOCOL rernevnvnnvnnnnennennennvnennennennnnsnnennennensnnennennennenennennennensnnennenneneene 33 3 5 1 Command RENE 33 3 5 2 Format of response String rrrrrrnnnnnnnrrvnrrnnnnnnrrrrrrrrnnnnnrrrrrnrnnnnneeersrnnnnnnnneessrnnnnnnnnsseseennnnnnnnsenessnnnnnnn 33 RA MONITOR commands related to the Channels SS SS ee ee ee ee ee ee ee 33 3 5 3 1 Meaning of STATUS bits value read in decimal Format esse sees sees ee ee ee ee ee ee ee ee RR RR Ee ee ee ee ee ee 34 3 5 4 MONITOR commands related to the module SS SS ee ee ee ee ee ee ee ee ee ee ee 35 S541 Meaning of Board Alarmi Meedia 36 3 5 5 SET commands related to the Channels ES SS ee ee ee ee ee ee ee ee ee ee ee ee ee 36 3 5 6 SET commands related to the module SS SS ee ee ee ee ee ee ee ee ee ee ee ee ee 36 4 INTERNAL SETTINGS spennede 37 A1 POLARITY SELECTION eres Ee ee Ge oe RE Ge Ee Ge EE GE 37 22 NNN TN EE ests eens sts oso gcc A 38 JD Local BUS GET AUN GION EEE 38 42 2 RS FOS RSA 2 CONV CISION EEE EE EN EG GO Ge ie Ge oe 38 LIST OF FIGURES FIG 1 1 MOD N1471 4 CHANNEL PROGRAMMABLE HV POWER SUPPLY es es ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 7 FIG 2 1 MOD N1471 SERIES FRONT PANEL csceccscoscsccscscscscascscascsceccscccscsceecssescssascecscscasescaseecssescesescssescesess 9 EIE 2 2 Mon Se Us IEPANE es Ge ata ie ee ee eed ee Ge ee oe Ge Ge
26. ording to the Interlock logic see 3 1 1 3 2 3 1 Group Settings Group settings allow to broadcast the same parameter value to all channels In order to operate Group settings Turn the TUNE ROTARY SWITCH until ALL is displayed in the left column Fig 3 19 Group selection Push the TUNE ROTARY SWITCH at this point the frame of the left column becomes red and the GROUP is selected Turn the TUNE ROTARY SWITCH until the parameter to be set for example VSET is displayed in the right column all four channels values Fig 3 20 Group active NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 23 CAEN is for PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 Push the TUNE ROTARY SWITCH at this point the parameter is selected its frame is shown in red and its name in blue only one value common to all channels pre set value is picked from Channel 0 it is now possible to change the parameters value Fig 3 21 Group VSET access screen Turn the TUNE ROTARY SWITCH until the value digit to be edited is shown in blue the parameter name in yellow Fig 3 22 Group VSET digit selection screen Push the TUNE ROTARY SWITCH at this point the value digit becomes yellow and can be edited Fig 3 23 Group Channel VSET digit access screen Turn the TUNE ROTARY SWITCH until the digit reaches the desired
27. orking temperatures related negative offsets The absolute value of delivered current can be quantified by following the steps below 1 Turn on the module after a warm up of about 30 minutes with operating voltage and load disconnected no link between N1471 and detectors then read the monitored current value Imon 11 offset 2 Turn off the channel and connect the load 3 Turn on the channel with the same voltage set as point 1 4 Wait afew minutes and read again the current value monitor Imon 12 offset lout 5 The value of current output is equal to the difference between I2 and 11 lout 12 11 Leakage currents equal to 1 nA kV shall be tolerated e g Vout 4000V Imon 6 nA 2nA Offset 4nA current leakage 4KV The offset introduced is equal to 20nA for high range and 2nA for low range with output voltage at 10 of full scale and 20 C temperature NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 26 CAEN Is for Disco PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 4 Remote Control Module control can take place remotely via USB or RS485 the latter allows to build a N1471s daisy chain network The CAEN NIM8301 7U 12 Slot Smart Fan Unit 300 600 W Crate allows also to communicate with the module via Ethernet 3 4 1 Serial Links 3 4 1 1 USB communication Fig 3 28 USB
28. out ISET maximum value 3000 00 pA BD xx CMD MON CH X PAR IMON Read out IMON value XXXX XX HA Read out IMON RANGE value HIGH LOW Read out IMON number of decimal digits 2 HR 3 LR Read out MAXVSET value XXXX V Read out MAXVSET minimum value 0 V 3 5 3 1 Meaning of STATUS bits value read in decimal Format Bit 0 ON 1 ON 0 OFF NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 34 CAEN Is for Discove PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 Bit 7 gt TRIP 1 Ch OFF via TRIP Imon gt Iset during TRIP Bit 8 OVP 1 Power Max Power Out gt 9 3W for VOUT lt 3KV Power Out gt 8 2W for VOUT gt 3KV Mimsone 3 5 4 MONITOR commands related to the module The following table shows the strings to be used to handle monitor commands related to the module NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 35 CAEN PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 5 4 1 Meaning of Board Alarm bits Bit 0 CHO 1 ChO in Alarm status Bit 1 CH1 1 Ch1 in Alarm status Bit 2 CH2 1 Ch2 in Alarm status Bit 3 gt CH3 1 Ch3 in Alarm status Bit 4 PWFAIL 1 Board in POWER FAIL Bit 5 OVP 1 Board in OVER POWER Bit 6
29. rogrammable HV Power Supply The Mod N1471 provides 4 independent High Voltage channels in a single width NIM mechanics Two and one channel versions N1471A and N1471B are also available Each channel can provide a 5 5kV 300 uA max output Channels have common floating return common return insulated from the crate ground HV outputs are delivered through SHV connectors The HV output RAMP UP and RAMP DOWN rates may be selected independently for each channel in the range 1 500 V s in 1 V s steps Safety features include e OVERVOLTAGE and UNDERVOLTAGE warning when the output voltage differs from the programmed value by more than 2 of set value minimum 10V e Programmable VMAX protection limit e OVERCURRENT detection if a channel tries to draw a current larger than its programmed limit it enters TRIP status keeping the maximum allowed value for a programmable time TRIP before being switched off e Channels can be enabled or disabled individually through the Interlock logic Module control can take place either locally assisted by a Graphic color display or remotely via USB RS232 or RS485 the latter allowing to build a N1471s daisy chain network It is also controllable via TCP IP by the Smart Fan Unit of CAEN NIM 8301 crate Control software is available Mod SW1470 able to manage up to 32 modules up to 128 channels Table 1 1 Available items Code Model Description WN1471X05AAC N1471 4 Channel NIM Programmable HV
30. scov PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 2 4 Front panel connections 2 4 1 Local control section m CAEN n NUCLEAR MOD HWld71 REL 1 00 Fig 2 3 Local control panel NAME TYPE FUNCTION MONITOR 1 OLED DISPLAY 96x64 Local settings monitoring TUNE ROTARY SWITCH Parameter and Mode setting 2 4 2 Channel control section NIM 1E NY SND NIM Fig 2 4 Channel control panel and Kill scheme NAME TYPE FUNCTION HV EN OFF KILL 3 POS SWITCH Channel Enable and turning OFF KILL ON RED LED HV On enabled REMOTE KILL AMP 280370 2 The channel is KILLED as no current flows across the 1Kohm resistor this is achieved either as the 1 2 contacts are open or as a 4 6Vdc voltage is fed to pin 1 see note GREEN LED Positive polarity YELLOW LED Negative polarity OFF Channel turned off according to RAMP DOWN setting KILL Channel turned off at fastest available rate NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 11 CAEN PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 2 4 3 HV Status control section Fig 2 5 N1471 HV Status control panel NAME TYPE SIGNAL FUNCTION ON RED LED HV On enabled at least one channel ON ALARM RED LED LEMO CONN Out Alarm status signaled active LOW INTERLOCK RED LED LEMO C
31. t EEPROM By typing U it is possible to access the format EEPROM menu C A E N N1471 4 Ch HV Power Supply VI 00 Format EEPROM Are you sure y n Fig 3 40 Format EEPROM Menu After the FORMAT command all the channels have the following settings Vset 0 V Iset 300 MA Ramp Up Down 50 V s Trip 10s MaxV 8100 V Power Down Kill Module setting Interlock Mode Active CLOSED NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 32 CAEN L for DIESE PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 5 USB RS485 Communication Protocol The following Protocol allows to communicate with up to 32 daisy chained modules The Protocol is based on commands made of ASCII characters strings The protocol requires firmware revision 1 0 1 or greater 3 5 1 Command Format The Format of a command string is the following BD CMD CH PAR VAL lt CR LF gt The fields that form the command are BD 0 31 module address to send the command CMD MON SET CH 0 4 4 for the commands related to all Channels PAR see parameters tables VAL numerical value must have a Format compatible with resolution and range 3 5 2 Format of response string Format response in case of error BD CMD ERR Wrong command Format or command not recognized BD CH ERR Channel F
32. unication diagram In order to control the module via RS232 it is necessary to use the module s COMM IN port refer to 2 4 2 for RS232 signals and to follow adaptation instructions see 4 2 2 The connection can be performed via terminal emulator such as HyperTerminal configured as follows baud rate 9600 the same set on the N1471 See 3 2 2 Data bits 8 Parity none stop bit 1 Flow control Xon Xoff It is also possible to build a daisy chain of up to 32 N1471 s with the first module connected to the PC RS232 port and the subsequent ones daisy chained through the COMM IN OUT as explained in 3 4 1 3 in this case communication with the chained modules is achieved through the USB RS485 Communication Protocol see 3 5 All modules must be assigned a LOCAL BUS ADDRESS see 3 1 1 different from one another and the last one must be terminated see 4 2 1 3 4 1 3 RS485 communication N147x RS485 CONTROLLER Fig 3 30 RS485 communication diagram The COMM IN OUT connectors implement a RS485 type LOCAL BUS which allows to build a 32 modules daisy chain This can be achieved through the following steps Connect the connector OUT of a module to corresponding the IN connector of the next one Assign to each module a different address LOCAL BUS ADDR see 3 1 1 Ensure that the LOCAL BUS BIT RATE is the same for all modules see 3 1 1 Terminate the first an
33. value Fig 3 24 Group VSET digit adjust screen NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471_REV1 DOC 38 24 CAEN is for PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 Confirm it by pushing the TUNE ROTARY SWITCH the edited digit returns blue Fig 3 25 Group VSET digit confirm screen Once all the digits are set to the desired value turn the TUNE ROTARY SWITCH until the parameter name returns blue Push the TUNE ROTARY SWITCH in order to de select the parameter the frame returns to blue when the parameter is not active the parameter status of the four channels is shown Fig 3 26 Channel VSET de select screen In order to go to individual channel settings the EXIT parameter has to be selected Fig 3 27 Group EXIT screen NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 25 CAEN PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 3 2 3 2 Smileys Three types of Smileys in the display indicate Table 3 1 Smileys list Ga WARNING Status 3 3 Current monitor offset calibration The module is calibrated by introducing a positive offset on the current monitor This type of calibration allows to monitor very low current thus removing possible issues due to components and w
34. value turn the TUNE ROTARY SWITCH until the parameter name returns blue B unon UI og 6006 3 H EF 11258 Fig 3 15 Channel VSET confirm screen Push the TUNE ROTARY SWITCH in order to de select the parameter the frame returns to blue umon LUI JCA USET U F 1258 Fig 3 16 Channel VSET de select screen It is now possible to set another parameter note that the POWER DOWN and IMRANGE setting has not digits to be edited but two options TRIP KILL and HIGH LOW respectively UMON PEER d POWN FIKILL Fig 3 17 Channel KILL screen In order to access another channel the EXIT parameter has to be selected NPO Filename Number of pages Page 00112 07 N1471 MUTx 01 N1471 REV1 DOC 38 22 CAEN Vs for Discove PRELIMINARY Document type Title Revision date Revision User s Manual MUT N1471 4 Channel Programmable HV Power Supply 24 03 2010 1 UMON U 6608 4 EXIT j r F F Fig 3 18 Channel EXIT screen Now by turning the TUNE ROTARY SWITCH another channel number to be set can be selected If CONTROL MODE see 3 1 1 is set to REMOTE the left lower row reports DIS Disabled since the channel can be accessed only via the serial links see 3 4 1 If the INTERLOCK MODE is changed while one channel is ON the channel is turned OFF and the left lower row reports ILK Interlock if the channel is OFF it can not be turned ON until it is enabled acc
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