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801RP/1251RP Power Source User Manual

1. Figure 13 1 GPIB Address Selection Switch e The black section represents the switches e The above configuration would cause the 801RP 1251RP to be in GPIB mode at address 10 e Listen only must be in the up position to work properly Note Switch setting changes do not take effect until power is cycled RS232C Interface A suitable cable to connect the 801RP 1251RP AC Source to a 9 pin PC AT style serial port is supplied with the source If you are unable to locate this cable you need to use a cable that conforms to the wiring diagram shown in Figure 13 2 March 201 1 RP Series 13 2 1 Serial Communication Test Program The following sample program written in Quick BASIC can be used to check communication to the RP Series AC source over the RS232C serial interface The interface is optional and must be installed for this to work California Instruments P Series RS232C Communication Demo Program 1996 Copyright California Instruments 11 Rights Reserved This program is for demonstration purposes only and is not to be used for any commercial application Function and Subroutine Declarations DECLARE FUNCTION retstring COM2 Replace with COMI COM3 or COM4 for Com port used The input and output buffers are se
2. ed On Ries Bates dee 71 Standard Event Status Group eet ere OLPC 72 Statis Byte REGiSter e 72 Examples er pute aetna atlanta ete eth bares Oe ed UR ob e I 73 INDO Xo item ME teo Eta M tesa teen te 77 vi List of Figures Figure 3 1 The 801RP 1251RP AC Power Source sssssssseseseeeeeeneeeneeen nennen nennt nnns nnne 8 Figure 3 2 Rear Panel MEW cienia toate e e ds 9 Figure 3 3 Functional test Setup m be EE EGER E 11 Figure 4 1 Front panel vIgw ein nin En e ei re De e E ER EUER ede 12 Figure 4 2 Shuttle Knob er eile pe idt e ERR SES 14 Figure 5 1 AC Source block diagram ssesssessesseeseeeeeeeennn nennen enne nnne ennt reset nre enters 19 Figure 5 2 Oscillator and conttols 21 Figure 6 1 Test Equipment Hookup for Routine Output 25 Figure 6 2 Test Equipment Hook up for Measurement Calibration eee 26 Figure 6 3 Location of Internal eene mener 28 Figure 8 1 RS2326 Gable Wiring oie 35 Figure 9 1 Sy
3. 10 Front Panel Operation 424 1 12 Front Panel Guided TOU BILE RE RR dee icu eee 12 HOW 1035555 tete iv SU sumus i T LM 16 Principle of OperatiOh ie ated 19 Lectt SE MA 19 Overall Description oorr ce etre eere ree Ee ene eate Eve Ye YE dee ce a ER Re dens 19 Power Factor Correction Module PFC ssssesssessseseseeeeneenenee nennen nennen nnne nnne neret enne 19 DG DG Converter MOdule 20 20 Oscillator Control icit e e ug fo d e mico te eot fe tive eee 21 DC to AG Power Module 2 Ee HR ee Eo eie eet ett cie de deer voe dc 22 IEEE 488 HS292 o ete De DER diu dut ei nt ED ce eo PORE RR treu de 22 Lor ofer 24 Calibration Equipmielt e eate dice ee e tr ee ne e a e s 24 Ro tine Calibration 2 eee EDU a NE 24 Non Routine Calibration 1 te Dee nece tr eee ete dee cr Tete nea de de 27 SORVICE PH M 29 eene nude id 29
4. esee 60 SYSTem LOGCal eise eee 61 SYSTem REMoOte 61 T Temperature 6 lermillidiOf 47 top cover remioval zi tinus eet Boel 31 Transients io M 5 troubleshooting 29 V VIDESLUOR 6 VOLT IUE cete 56 voltage ranges 2 10 VOLTage RANGe 56 Ww Weight ite epe taut 5 wiring 9 RP Series
5. PowerSource Model number 0 Bits per second WindowState Data bits 8 z Top 5272 Left 6112 Parity None x Height 4815 Width 6975 8 Savethe using the File Save menu Elow control Close Notepad and start the PGUI32 10 Try to connect again You may have to Advanced Restore Defaults cycle the power on the AC source if it still shows the Err 100 display Higher values than 10 may be set for the CmdDelay parameter if this fix does not resolve your problem Figure 9 3 COM Port Properties Dialog Box 9 5 Registration You are encouraged to register as an end user on the California Instruments web site www calinst com This will provide you with access to software updates and user manuals RP Series Mach204 89 10 40 Assembly Replaceable Parts Table 10 Replaceable Parts Eg C I PART DESCRIPTION 1251RP TOP ASSEMBLY 5003 400 1 5003 401 1 HEATSINK ASSEMBLY DC DC 5003 402 1 HEATSINK ASSEMBLY DC AC 5003 700 1 PC ASSEMBLY OSCILLATOR 1 5003 701 1 PC ASSEMBLY 5232 IEEE 488 1 2 241187 FAN 3 24 VDC 270167 FUSE 15A 250V 60Hz 1 INPUT SINGLE SOC EUROPEAN 250587 FUSE HOLDER CHASSIS 250596 FUSE CARRIER 1 1 4 x 1 4 OPTIONAL Contact California Instruments for replacement parts March 2011 1 1 1 1 1 RP Series 11 Programming Information This manual con
6. fe e ees 29 Advanced 2 2 pea a aaa 31 2 34 About This Program ss ied Oa A 34 About This Section of the 34 Program RHequiremoents z ei lacey eura bo teas 34 RS232C Cable Wining snerti e Lo e DERE De re eit 35 PGUIS32 Setup and Installation 36 Connecting the AC Source to the PC When Using 5232 36 Connecting the AC Source to the PC Using 488 36 Installing 2 Softwares nennen nennen 36 Trouble Shooting RS2920 nene Debe eee 37 bo Ei bre reich feet ter iue eus 39 12 12 1 12 2 12 3 12 4 12 5 13 13 1 13 2 14 14 1 14 2 14 3 14 4 15 15 1 15 2 15 3 16 16 1 16 2 16 3 16 4 17 Top Assembly Replaceable 40 Programming 41 limroductiorito e tr hasta sac
7. 15 42 LIMit CURRent 58 Cooling nnt eite 5 LIMit FREQuency eee 58 55 LIMit VOLTage 59 Line Current eo nope eap acd 2 Line Frequency esee 2 5 Line 2 DIP SWIEC cce nt and 50 M E maintenance irt ER nen 29 2 TE 34 EMISSIONS esce sehr Ae xen 6 Material ESE 55 sra nam oce tan red 64 eet ee C ent 5 ESR idest 65 MEASure CURRent 54 F MEASure VOLTage AC 54 memory Finish required to 36 td 5 models formats 34 dto EE 47 FREQuencgy 424 44222 55 Frequency Range 3 MDIIc 3 front 22 12 34 CEDE 13 Functional 10 Offset Voltage H Di cei eed
8. 4 1 Front Panel Guided Tour The front panel can be divided in a small number of functional areas e Output Sockets e Status Indicator lights e Shuttle knobs e LED Segment Display e Button controls AX California Instruments MODEL 1251RP QUTPUT 5 POWER HIGH RANGE VOLTAGE FREQUENCY CURRENT E i ES FAULT OFF REMOTE LOW RANGE HIGH RANGE Figure 4 1 Front panel view 4 1 1 Output Outlets The Output Sockets are located on the right side of the front panel It provides connection to the load from the AC source When the low voltage range is selected only the US NEMA 5 15P output socket will be active If the high voltage range is selected only the European CEE7 7 socket will be active Refer to Figure 3 1 and Figure 4 1 for socket locations Both voltage ranges are present at the rear panel output terminals however Refer to Figure 3 2 1 801RP and 1251RP Series models shipped before Oct 2005 use LCD style displays instead of LED seven segment displays Other than the type of display used there are no functional differences between both type 801RP and 1251RP Series models 12 March 2011 RP Series 4 1 2 Status Indicator Lights Six LED status indicators are located on the front panel These LED s correspond to the following conditions REMOTE FAULT OUTPUT RA
9. Output Overcurrent Shutdown 0 1 second after overcurrent Output Overvoltage Shutdown recycle input power to reset Output Short Circuit Peak current limit Shutdown after 0 1 seconds Overtemperature Automatic shutdown 2 2 Mechanical Dimensions 16 51 419 4mm width x 3 5 88 9 mm height x 22 558 8mm depth chassis size stand alone configuration Unit Weight 37 lbs Material Aluminum chassis panels and cover Finish Yellow iridite then painted semi gloss polyurethane Cooling Fan cooled with air intake on the sides and exhaust to the rear Internal Construction Modular sub assemblies Chassis Slides General Devices C300S 118 B308 use hardware provided to prevent damage to unit Front Panel Mounted Output Connections CEE 7 7 European socket US domestic Single 5 15R 120V line socket Rear Panel Mounted Connections RS232C Interface DB 9 IEEE 488 Interface D shell 24 pin Output Phoenix Contact HDFK4 Line Input IEC 320 RP Series March 2011 2 3 2 4 Environmental Operating Temp Storage Temp Humidity Creepage and Clearance Insulation Vibration Shock Regulatory Electromagnetic Emissions and Immunity Acoustic Noise Safety 0 degrees to 40 degrees Celsius 40 degrees to 85 degrees Celsius Operating lt 90 RH up to 40 C Storage lt 90 RH up to 40 C lt 75 RH up to 70 C Rated for Pollution Degree 2 Rated to Installation Category Ov
10. 2 4 Voltage Range Change The voltage range can be changed as follows 1 Press the HI RANGE button located in the upper left corner The output voltage will reset to 0 volts 2 Usethe left shuttle knob to set the output voltage 4 2 5 Output Control The Output can be disabled or enabled as follows 1 Pressing the OUTPUT button when the output LED is on will disable the AC source output The programmed voltage setting will remain at the last program value 2 Pressing the OUTPUT button again will enable the output voltage and the output will revert to the last programmed value 4 2 6 Setting the Power on Initialization Values All P and RP series are supplied with default factory settings when the unit is powered up The factory settings are Voltage range Low Voltage OV Frequency 60 Hz Current limit Max available current Display mode Frequency Output OFF It is possible to change the power on initialization values in one of two ways 1 Using the optional RS232 or IEEE 488 RP only interface and the supplied PGUI32 program 2 Using the front panel requires main firmware release 1 0 or higher To change the power on initialization values from the front panel proceed as follows 1 Set the unit up in the desired way from the front Range voltage frequency current limit output relay state Note The display mode frequency or current is not saved as part of the set up and always defaults to freq
11. SYST PON Returned Parameters cNR 1 Related Commands SAV 62 Mach204 RPSeres 14 4 Common Commands Common commands begin with an and consist of three letters command or three letters and a query Common commands are defined by the IEEE 488 2 standard to perform some common interface functions The power source responds to the required common commands that control status reporting synchronization and internal operations RP Series units also respond to optional common commands that control stored operating parameters Common commands and queries are listed alphabetically If a command has a corresponding query that simply returns the data or status specified by the command then both command and query are included under the explanation for the command If a query does not have a corresponding command or is functionally different from the command then the query is listed separately The description for each common command or query specifies any status registers affected Refer to Chapter 16 which explains how to read specific register bits and use the information that they return Common Commands Syntax Clear status Standard event status enable Return standard event status enable Return event status register Return instrument identification Recall instrument state Reset Save instrument state Set service request enable register Return service request enable register Return status byte RP Serie
12. after 3 seconds from the last movement of the shuttle The measurement is updated 4 times per second The display mode is indicated by the two LED s above the LED segment display 14 March 201 1 RP Series 4 1 5 LED seven segment displays The digital readouts consists of two 4 digit LED seven segment displays The voltage display shows the programmed voltage The Frequency Current display shows either the programmed frequency or current limit In the current limit mode the display switches to display the output current after 3 seconds The Frequency Current select button will define the operating mode of the frequency current display 1 B01RP and 1251RP Series models shipped before Oct 2005 use LCD style displays instead of LED seven segment displays Other than the type of display used there are no functional differences between both type 801RP and 1251RP Series models RP Series March 2011 4 2 Howto This chapter covers some common tasks that are often performed with an AC power source These examples are written in a How to format and provide step by step instructions on how to set up the AC Source for a specific task 4 2 1 Set the Output Output parameters are Voltage Frequency and Current Limit 1 Disable the output by pressing the OUTPUT button The LED above the button will turn off 2 Use the left shuttle to set the output voltage Clockwise will increase the output counter clockwise will reduce the
13. an Enable register that are programmed by Common commands The Standard Event register latches events relating to interface communication status It is a read only register that is cleared when read The Standard Event Enable register functions similarly to the enable registers of the Operation and Questionable status groups Command Action ESE programs specific bits in the Standard Event Enable register ESR reads and clears the Standard Event register The PON bit in the Standard Event register is set whenever the AC source is turned on 16 3 Status Byte Register 72 This register summarizes the information from all other status groups as defined in the IEEE 488 2 Standard Digital Interface for Programmable Instrumentation The bit configuration is shown in Table 15 Command Action STB reads the data in the register but does not clear it returns MSS in bit 6 The MSS Bit This is a real time unlatched summary of all Status Byte register bits that are enabled by the Service Request Enable register MSS is set whenever the AC source has one or more reasons for needing service STB reads the MSS bit position 6 of the response but does not clear any of the bits in the Status Byte register The MAV bit and Output Queue The Output Queue is first in first out FIFO data register that stores AC source to controller messages until the controller reads them Whenever the queue holds one or more bytes it sets the MAV
14. output Data Terminal Ready DTR 5 5 Signal Ground 6 6 input Data Set Ready DSR 7 7 no connect 8 L 8 9 9 output reserved Note This cable is not bi directional so it is important to mark the PC side and the AC source side of this cable If the cable is connected in reverse it will not operate correctly RP Series Mach204 35 9 9 1 9 2 9 3 36 PGUI32 Setup and Installation This section covers installation of the PGUI32 from the distribution disk to the user s PC Make sure the PC is capable of running Windows with at least 256 Mbyte of memory and 4 Mbyte of available hard disk space Connecting the AC Source to the PC When Using RS232 Connect the AC source to the PC using an RS232C cable The AC source com port settings are set as follows Baud rate 9600 baud Data bits 8 Stop bits 1 Parity bits none Handshake Hardware The AC source is configured to accept the above setting Select the RS232 interface by sliding the interface selection DIP switch on the rear panel to the RS232 position Connecting the AC Source to the PC Using IEEE 488 Connect the AC source to the PC using an IEEE 488 interface cable A National Instruments GPIB controller card is required to use the PGUI32 program Select the IEEE 488 interface by sliding the interface selection DIP switch on the rear panel to the IEEE 488 position Set the desired IEEE address using DIP switch positi
15. than the type of display used there are no functional differences between both type 801RP and 1251RP Series models RP Series March 2011 7 3 3 1 Unpacking and Installation Unpacking Inspect the unit for any possible shipping damage immediately upon receipt If damage is evident notify the carrier DO NOT return an instrument to the factory without prior approval Do not destroy the packing container until the unit has been inspected for damage in shipment Power Requirements 3 3 The AC Power System has been designed to operate from a single phase AC line voltage The nominal operating voltage is from 100V to 240V line input 01 California Instruments MODEL 1251RP lt qa om m i gt Figure 3 1 The 801RP 1251RP Power Source WARNING Do not connect the unit to a 400 480 service as the result will be a severely damaged unit Mechanical Installation The AC Source is a completely self contained power unit It can be used free standing on a bench The unit is fan cooled drawing air in from the sides and exhausting at the rear The sides of the unit must be kept clear of obstruction and a 4 inch clearance must be maintained to the rear March 201 1 RP Series 3 4 Input Wiring The AC Source is designed to work from a single utility supply The IEC 320 input connector will accept a standard IEC line cord with
16. the appropriate mating connector for the utility outlet The utility outlet must be properly grounded and be capable of supplying at least 1725 VA at 120V to 240V in order to deliver full output power in the 1251RP Note When using less than 120 V line input the 1251RP should be used at no more than 1000 VA output power to limit the input line current to less than 15A T15A 250V AGAINST FIRE HAZARD L A p f b IEEE 488 L 9421 RS 232 9600 8 N 1 WARNING FOR CONTINUED PROTECTION pn LOW OUTPUT REPLACE FUSE WITH THE JA SAME TYPE AND RATING TN CAUTION INPUT RISK OF SHOCK 100 240 V DISCONNECT UNIT D 1725VA 50 60 Hz BEFORE SERVICING Z 3 5 3 5 1 Note Figure 3 2 Rear Panel View Output Connections Output Wiring Front Panel When the low voltage range is selected only the single US NEMA 5 15R output socket will be active If the high voltage range is selected only the European CEE7 7 socket will be active Either voltage will be present on the output terminals at the rear panel There is only one output terminal on the rear panel marked HIGH and LOW This output carries the output of the AC Source in both high and low voltage range The HIGH and LOW label on the rear panel refer to output high side and output low side return respectively not
17. 0 Table 11 Bit configuration of standard event status enable register sssseene 64 Table 12 Bit configuration of standard event status register 65 Table 13 RST default parameter values ssssssssessseeeeeeneeneenneee nennen nennen nennen 67 Table 14 Status register power on 67 Table 15 Bit Configuration of Status Byte Register 4024 100000011 68 Table 16 Error Messages unies o REI HL e Eee 76 vii 1 Introduction This instruction manual contains information on the installation operation calibration and maintenance of the RP Series AC power source 1 1 General Description The 801RP 1251RP AC source is a high efficiency light weight 800VA or 1250VA programmable AC power source The output has two voltage ranges of 0 135V or 0 270V with a frequency range of 16 Hz to 500 Hz The maximum output current for the 1251RP is 9 2 amps on 135 volts range and 4 6 amps on 270 volts range The maximum output current for the 801RP is 6 amps on 135 volt range and 3 amps on 270 volts range The universal nominal input can be from 100 volts to 240 volts at 50 Hz or 60 Hz line frequency Simple front panel controls enable the voltage current limit and frequency to be changed An optional RS232C and IEEE 488 interface is available for applications that requi
18. 01RP query the current limit setting For a this value will be 6 0 For a 1001P this value will be 7 4 There is way no need to differentiate a 1251P from a 1251RP over the bus 14 4 5 RCL 66 This command restores the AC source to a state that was previously stored in memory with a command to the specified location All states are recalled with the following exceptions DISPlay MODE Command Syntax Parameters Example Related Commands lt NRf gt 0 through 7 RCL 3 SAV WARNING Recalling a previously stored state may place hazardous voltages at the AC source output March 201 1 RP Series 14 4 6 RST This command resets the AC source to a setting defined by the values in the register defined by PON if valid or by the following factory defined states Table 13 RST default parameter values OFF VOLT RANGe 136V O OFF DISP MODE 0 FREQ Note For 1251RP 9 2A For 801RP 6A Command Syntax RST Parameters None Related Commands SAV Table 14 Status register power on condition Status on Power On Status after RST All 0 PON bit 1 all others 0 All O s All O s Note Sending the RST command will cause the unit to recall the REMOTE or LOCAL state based on the setting of the SYSTem KLOCk command This may put the unit in local if this state is set to 0 To avoid this either set the SYSTem KLOCk state to 1 or follow the RST command wi
19. 550 compatible Transmit Buffer Low i High 76 UART checkbox This will bypass the UART AE REIN FIFO s enable the hardware handshake to work correctly Figure 9 2 Advanced Port Settings Dialog Box 15 Click on the all OK buttons to close all dialog boxes that remain open 16 This should enable the PGUI32 to work correctly Resolution for Symptom 2 Execute the suggested procedure to resolve symptom 1 first If an occasional error continues to occur while slewing the voltage or frequency slider controls in the PGUI32 program add a command delay to the PGUI32 ini file using the following procedure This symptom may occur on some PC s Procedure 38 Mach2030 RPSeres 1 Close the PGUI32 program if it is still open 2 Use the Windows Explorer and select the PGUI32 directory or the directory into which you installed the PGUI32 program 3 Locate the PGUI32 INI file Type Configuration Settings 4 Open the PGUI32 INI file using a text editor such as Notepad 5 Locate the Interface section and find the entry called CmdDelay If no such entry is present add it yourself 6 The default value for the CmdDelay is set to 0 Change this value to 10 7 Your PGUIS2 INI file should look like this now Interface Bus 0 CommPort 2 GPIBDriver 0 ACSourceAddress 1 CmdDela 10 Communications Port 0 2 Properties 2 x General Settings Driver Resources
20. 801RP 1251RP Series AC Power Source User and Programming Manual AMETEK PROGRAMMABLE POWER Contact Information Telephone 800 733 5427 toll free in North America 858 450 0085 direct Fax 858 458 0267 Email Domestic Sales domorders sd ametek com International Sales intlorders sd ametek com Customer Service service ppd ametek com Web www programmablepower com March 2011 Document No 5003 960 Rev R About AMETEK Programmable Power Division of Inc is a global leader the design and manufacture of precision programmable power supplies for R amp D test and measurement process control power bus simulation and power conditioning applications across diverse industrial segments From bench top supplies to rack mounted industrial power subsystems AMETEK Programmable Power is the proud manufacturer of Elgar Sorensen California Instruments and Power Ten brand power supplies Inc is a leading global manufacturer of electronic instruments and electromechanical devices with annualized sales of 2 5 billion The Company has over 11 000 colleagues working at more than 80 manufacturing facilities and more than 80 sales and service centers in the United States and around the world Trademarks AMETEK is a registered trademark of AMETEK Inc Other trademarks registered trademarks and product names are the property of their respective owners and are used herein
21. EE 3 OUTPut STATe eene 57 hard disk space Overcurrent uit t riter e e tena 5 required to 36 overload cette oae tees 13 header 2 5 optional diea eui 46 Overvoltage esee 5 2121 2 219 46 P Header ect eer PER 43 Hold Up Tiine interes 2 POUIS2 cuite tortis 34 I Power Factor 2 50 66 IEEE 488 ien tn tes ico hn rua 22 RP Series March 2011 77 User and Programming Manual Rev R Q R registration ree oed etin remote control replacement FOO program response message iie en e rne Setup DOG Am tecti Beeren e SHOCK HH Short Circuit 78 March 2011 California Instruments I Re 68 SlaltLlS 2 recie ei 13 68 34 60 SYSTem KLOCXk
22. EQuency or CURRent as the next header You must include the colon because it is required between headers March 201 1 RP Series If you now enter VOLTage the active path again moves one colon to the right The interface is now ready to accept either RANGe or LEVel as the next header If you now enter RANGe you have reached the end of the command string The active header path remains at RANGe If you wished you could have entered RANGe 136 LEVel 115 and it would be accepted as a compound message consisting of 1 SOUR VOLT RANG 136 2 SOUR VOLT LEV 115 The entire message would be SOUR VOLT RANG 136 LEV 115 The message terminator after LEVel 115 returns the path to the root Note The RP Series interface buffer is limited to 21 characters however As such compound commands are not recommended as they often exceed this message length limit Moving Among Subsystems In order to combine commands from different subsystems you need to be able to restore the active path to the root You do this with the root specifier For example you could set the output frequency to 60 Hz and set the display mode to frequency FREQ 60 DISP MODE 0 Because the root specifier resets the command parser to the root you can use the root specifier and do the same thing in one message FREQ 60 DISP MODE 0 Including Common Commands You can combine common commands with system commands in the same message Treat the common command as a mes
23. Messages No error Command error Execution error Device specific error Queue overflow Query error 76 March 2011 Generally the result of sending a command that uses incorrect syntax Generally the result of sending a value that is out of range i e a VOLT 200 command when the unit is in the 136 Low range Generally the result of an overcurrent current limit trip or over temperature condition Generally caused by too many errors being generated without reading error status causing error buffer to overflow Generally caused by sending a query followed by another command without accepting the query response first RP Series User and Programming Manual Rev R California Instruments 17 Index A Immunity 6 Inrush Current 2 ACOUSTIC o std eee deem bet e 6 installation rns 8 36 III 36 Installing Calibration 24 36 CE 6 Introductions 1 CDS use e ebore ET 64 Isolation 0 4 4444 2 command K subsystem i E es 53 commands KNOB PA E E E O 14 COMMON dvi ia a h 44 L COMMONS a 34 PE 36 DEED tinto itd etate 29 Construction LED 29 Internal oet peu 5 LED segment
24. NGE FREQUENCY CURRENT RP Series The REMOTE LED indicates that the unit is in remote control mode If the RS232C interface is used the REMOTE state can be enabled by the controller using the SYST REM command Any time the REMOTE LED is lit the front panel of the RP Series unit is disabled There is no LOCAL button that allows the user to regain control of the front panel The SYST LOC command will enable the front panel controls When using IEEE the remote local state is controlled by the REN Remote Enable interface line The FAULT LED indicates an output overvoltage or overtemperature condition Overtemperature is usually caused by poor air flow Check the air flow exhaust at the rear of the unit to make sure it is not obstructed The Output LED indicates the status of the OUTPUT ON OFF button When the Output LED is not lit the output voltage is not present at the output socket regardless of the voltage setting The Range LED indicates the selected output voltage range When it is illuminated it indicates the high voltage range has been programmed when the right hand side LED seven segment display shows the programmed frequency when the right hand side LED seven segment display shows the programmed current limit or measured current values March 2011 13 4 1 3 The Shuttle Knobs Counter Clockwise clockwise DECREASE INCREASE Figure 4 2 Shuttle Knob There are tw
25. URR lt NRf gt shows a command definition Upper case font Upper case font is used to show program lines in text OUTP 1 shows a program line 12 2 The SCPI Commands and Messages This paragraph explains the syntax difference between SCPI Commands and SCPI messages 12 2 1 Types of SCPI Commands SCPI has two types of commands common and subsystem e Common commands are generally not related to specific operations but to controlling overall AC source functions such as reset status and synchronization All common commands consist of a three letter mnemonic preceded by an asterisk RST DN SRE 255 e Subsystem commands perform specific AC source functions They are organized into an inverted tree structure with the root at the top Some are single commands while others are grouped within specific subsystems You must include the root header in all commands sent to the AC source Refer to appendix A for the AC source SCPI tree structure 12 2 2 Types of SCPI Messages There are two types of SCPI messages program and response e Aprogram message consists of one or more properly formatted SCPI commands sent from the controller to the AC source The message which may be sent at any time requests the AC source to perform some action RP Series March 2011 43 Aresponse message consists of data in specific SCPI format sent from the AC source to the controller The AC source sends the message only when commanded by a
26. actor Correction Module PFC The PFC consists of the boost converter circuitry The boost converter is PWM controlled by a single chip that adjusts the pulse width during the cycle so that near sine wave current is drawn from the supply An auxiliary winding on the boost inductor provides bootstrap power to the logic circuits and is self sustaining RP Series March 201 1 19 5 4 DC DC Converter Module The 385 VDC from the PFC is fed to the DC to DC module It first supplies 385 volts DC to the auxiliary power supply When the auxiliary power supply starts it supplies six isolated DC supplies to the AC module It also supplies 15 volts to the DC converter on the same DC module The DC to DC converter will then start operating The DC converter supplies either 250 volts DC or 400 volts DC to the DC to AC module The DC to DC converter is a full bridge converter and the auxiliary converter is a two FET forward converter All the eight LEDs on the DC DC board should be lit under normal operation The LED DS200 is lit when the DC output is up and within regulation The amber LEDs DS5 DS4 and DS3 indicate that the 15V power to the optocouplers on the AC converters is within regulation The red and green LED s DS7 and DS6 indicate logic power to the AC converter is ok The red LED 058 indicates that logic power to the DC converter is within specification at 15 volts The LED DS2 shows that 24 volt fan power is available Table 1 Logic B
27. ait 10 minutes for all internal capacitors to discharge 7 3 2 Removing Top Cover Remove the screws securing the top cover and remove the top cover 7 3 3 Initial Inspection Perform a visual inspection of the unit and ensure all the connectors are properly mated and there are no loose or broken wires 7 39 4 Connectors and Fuses Check Up Ensure all connectors are properly mated and there are no broken wires Check fuse F1 on the A2 assembly and fuse F2 on the A3 assembly Replace with the same type fuse 7 3 5 Power on Troubleshooting Using the LEDs If no fuses were blown or if fuses were found blown but all the IGBT s checked out good and the fuses have been replaced reconnect power to the unit WARNING not touch any parts inside the unit during this test as they will be live and dangerous Always wear safety glasses RP Series March 2011 31 7 3 6 7 3 7 32 No Output Front Panel LEDs Is LED on P F C unit lit OK if flickering with no load on output If not lit check input fuse and wiring on P F C module P F C module is the one in the center If LED is not lit and power is available at the EMI filter replace P F C module If LED is lit proceed to DC DC converter The DC DC converter is on the left hand side when looking at the front Are LEDs lit on the DC to DC board YES NO If LEDs on the DC DC board are lit Check fuses on the DC DC converter board There is a 3 and front panel LEDs are no
28. andard Event Status register Reading the register clears it The bit configuration of this register is the same as the Standard Event Status Enable register see ESE Query Syntax ESR Parameters None Returned Parameters lt NR1 gt Register value Related Commands CLS ESE If the ESR returns the value of the status bits in the ESR register Refer to Table 12 for the status bits and their meaning Table 12 Bit configuration of standard event status register Bit Postion s 6 A s dou ge dr Bit Name PON not CME EXE DDE QYE not not used imp BitWeight 128 CME Command error DDE Device dependent error EXE Execution error QYE Query error PON Power on RP Series Mach204 5 14 4 4 IDN This query requests the source to identify itself It returns the data in four fields separated by commas Query Syntax Returned Parameters IDN lt AARD gt Field Information Cl Manufacturer XXXXXX Model number and letter nnnnnn Serial number or 0 Rev Revision level of firmware C1 1251P S123 Rev 1 0 Note 801RP responds to a IDN query with model number 1001P 1251RP responds to a IDN query with model number 1251P This is normal and should be interpreted as a 801RP or 1251RP respectively There are no functional differences between the P and RP products with respect to remote control To differentiate between a 1001P or a 8
29. ans that the maximum current limit that can be programmed at a given time depends on the voltage range setting in which the unit is presently operating 15 3 Making Measurements 70 The source has the capability to return current and voltage measurements Voltage and Current Measurements To measure the rms voltage or current use MEASure VOLTage or MEASure CURRent March 2011 RP Series 16 Status Registers You can use status register programming to determine the operating condition of the AC source at any time For example you may program the AC source to generate an MSS bit when an event such as a current limit occurs When the MSS bit is set your program can then act on the event in the appropriate fashion Figure 16 1 AC Source Status System Model Service Standard event status Status request Event Enable Logic Output Byte enable Logic ESR ESE SRE Queue n u n u n u Figure 16 1 shows the status register structure of the AC source The Standard Event Status Byte and Service Request Enable registers and the Output Queue perform standard IEEE 488 functions as defined in the IEEE 488 2 Standard Digital Interface for Programmable Instrumentation 16 1 Power On Conditions Refer to the RST command description in paragraph 14 4 6 for the power on conditions of the status registers RP Series March 201 1 71 16 2 Standard Event Status Group This group consists of an Event register and
30. arameter is set by RST Enabling the Output To enable the output use the command OUTPut 1 Voltage and Frequency The AC rms output voltage is controlled with the VOLTage command For example to set the AC output voltage to 125 volts rms use VOLTage 125 The maximum voltage that the AC source can output is limited by the rms value of the waveform This value is defined by the LIMIT subsystem Voltage Ranges RP Series Mach204 68 The power source has two voltage ranges that are controlled by a relay The command that controls the range is VOLTage RANGe 136 272 When the range is set to 136 the maximum rms voltage that can be programmed is 136 volts rms but it is only on this range that the maximum output current rating is available The VRANGe command is coupled with the CURRent command This means that the maximum current limit that can be programmed at a given time depends on the voltage range setting in which the unit is presently operating Frequency The output frequency is controlled with the FREQuency command To set the output frequency to 50 Hz use FREQuency 50 Current Limit To set the rms current limit use CURRent n where n is the rms current limit in amperes If the load attempts to draw more current than the programmed limit The AC source is programmed to turn off its output if the rms current limit is reached Note The CURRent command is coupled with the VOLTage RANGe This me
31. arator Figure 12 2 Command Message Structure 46 March 201 1 RP Series The basic parts of the above message Message Component Example Headers SOURC VOLT FREQ CURR Header Separator The colon in SOUR VOLT Data 80 60 Data Separator The space in VOLT 80 and FREQ 60 Message Units VOLT 80 FREQ 60 CURR Message Unit Separator The semicolons in VOLT 80 and FREQ 60 Root Specifier The colon in CURR Query Indicator The question mark in CURR Message Terminator The NL newline indicator Terminators are not part of the SCPI syntax Note The use of compound messages such as the one shown in Figure 12 2 is not recommended as they typically exceed the available receive buffer length of the RP Series interface 12 4 3 Headers Headers are instructions recognized by the AC source Headers which are sometimes known as keywords may be either in the long form or the short form Long Form The header is completely spelled out such as VOLTAGE SYSTEM and OUTPUT Short Form The header has only the first three or four letters such as VOLT SYST and OUTP The SCPI interface is not sensitive to case It will recognize any case mixture such as VOLTAGE VOLTage Voltage Short form headers result in faster program execution In view of the 21 character receive buffer size of the RP Series the short form is recommended under all circumstances Header Convention In the command descriptions in chapter Error Refere
32. bit bit 4 of the Status byte register March 2011 RP Series 16 4 Examples The following section contains examples of commonly used operations involving the status registers You can determine the reason for an MSS bit set by the following actions Step 1 Determine which summary bits are active Use STB Step 2 Read the corresponding Event register for each summary bit to determine which events caused the summary bit to be set Use ESR Note When an Event register is read it is cleared This also clears the corresponding summary bit Step 3 Remove the specific condition that caused the event If this is not possible the event may be disabled by programming the corresponding bit of the status group Enable RP Series Mach204 B Appendix SCPI Command tree Command Syntax Tree Root 74 SOURce MEASurement wie DISPlay SYSTem LIMit TT CURRent FREQuency VOLTage LEVel RANGe OUTPut CURRent VOLTage MODE PON REMote LOCal SAVE CURRent VOLTage FREQuency LOW HIGH March 2011 RP Series User and Programming Manual Rev R Appendix B SCPI Conformance Information SCPI Version The RP Series AC power sources conform to SCPI version 1990 0 RP Series March 2011 California Instruments 75 User and Programming Manual Rev R Appendix C Error Messages California Instruments Table 16 Error
33. e appropriate event registers are read see Section 16 for more information Table 15 Bit Configuration of Status Byte Register Bit Position 7 OPER QUES BitWeight 128 64 32 16 8 OPER operation status summary MSS master status summary ESB event status byte summary QUES questionable status summary MAV message available Query Syntax STB Returned Parameters lt 1 gt Register binary value March 2011 RP Series 15 Programming Examples 15 1 Introduction This chapter contains examples on how to program the AC source Simple examples show you how to program output functions such as voltage and frequency measurement functions The examples in this chapter use generic SCPI commands See Section 12 for information about encoding the commands as language strings Where appropriate optional commands are shown for clarity in the examples 15 2 Programming the Output Power on Initialization When the AC source is first turned on it wakes up with the output state defined by the PON register number If the register number or the register has no valid data the AC source initializes to the following state VOLT 0 FREQ 60 OUTP 0 VOLT RANG 136 The following commands are given implicitly at power on RST CLS SRE 128 ESE 0 RST is a convenient way to program all parameters to a known state Refer to Table 13 under the RST command in paragraph 14 4 6 to see how each programmable p
34. ency limit HIGH Queries the upper frequency limit VOLTage Queries the upper voltage limit CURRent Queries the upper current limit LIMit FREQuency LOW This command queries the lower frequency limit of the power source Command Syntax LIMit FREQuency LOW lt NRf gt Parameters Low freq limit command protected Query Syntax LIMit FREQuency LOW Returned Parameters lt NR2 gt LIMit FREQuency HIGH This command queries the upper frequency limit of the power source Command Syntax LIMit FREQuency HIGH lt NRf gt Parameters High freq limit command protected Query Syntax LIMit FREQuency HIGH Returned Parameters lt NR2 gt LIMit CURRent This command queries the maximum current limit the power source will operate at in the low voltage range Command Syntax SOURce LIMit CURRent lt NRf gt Parameters maximum current limit at low voltage range command protected Query Syntax LIMit CURRent Returned Parameters lt NR2 gt 58 Mach2031 RPSeres LIMit VOLTage This command queries the maximum voltage the power source will operate at in the high voltage range Command Syntax LIMit VOLTage lt NRf gt Parameters maximum voltage available in high voltage range command protected Query Syntax LIMit VOLTage Returned Parameters lt NR2 gt 14 2 5 Display Subsystem DISPlay MODE This command is used to control the AC source display The command will allow the Frequency Current display
35. ervoltage Category Il Designed to meet NSTA 1A transportation levels Designed to meet NSTA 1A transportation levels Designed to meet EN50081 1 and EN50082 1 European Emissions and Immunity standards as required for the CE mark 65 dBA maximum at 0 to 5096 load 75 maximum greater than 50 load to 100 load Measured at one meter Designed to meet UL3111 and EN61010 1 European safety standards as required for the CE mark March 201 1 HP Series 2 5 Front Panel Controls Controls Shuttle knobs Allows continuous change of Voltage Frequency and Current limit Function keys Controls Output state Voltage range and Display mode Displays Two 4 digits 0 5 LED SEGMENT display For viewing programmed voltage frequency current limit and for displaying measured current Status Indicators 6 LEDs to indicate REMOTE FAULT OUTPUT ON OFF VOLTAGE RANGE FREQUENCY or CURRENT DISPLAY MODE Refer to paragraph 4 1 2 2 6 Available Options The following options are available on 801RP and 1251RP AC power source models Option Description IF Combined IEEE 488 RS232C interface option L22 Locking knobs Prevents front panel change of voltage and frequency RI Remote Inhibit rear panel input RMS Rack mount slides P N 210367 General Devices Model C300S 118 B308 1 801RP and 1251RP Series models shipped before Oct 2005 use LCD style displays instead of LED seven segment displays Other
36. ery returns the AC rms voltage being sourced at the output terminals Note that the output relay must be closed or 0 volts will exist at the terminals Query Syntax Parameters Examples Returned Parameters Related Commands 54 MEASure VOLTage None MEAS VOLT NR2 OUTP 0 1 March 201 1 RP Series 14 2 2 Source Subsystem This subsystem programs all the output parameters of the RP Series AC source Subsystem Syntax SOURce CURRent Set the rms current limit in amps VOLTage LEVel Set the rms output voltage value in volts RANGe Set the output voltage range FREQuency Set the output frequency value in Hz CURRent This command sets the rms current limit of the output If the output current exceeds this limit the output latches into a disabled state when current limiting occurs The output voltage programming is reset to zero when this condition occurs and the output relay state is set to OFF Note that the CURRent command is coupled with the VRANGe This means that the maximum current limit that can be programmed at a given time depends on the voltage range setting in which the unit is presently operating Command Syntax SOURce CURRent lt NRf gt Parameters Oto a value specified by the LIM CURR Unit A rms amperes RST Defined by the PON Examples CURR 5 Query Syntax CURRent Returned Parameters lt NR2 gt Related Commands VOLT RANG FREQuency This command sets the frequency of the outpu
37. face Additional benefits are obtained from using the PC as a control interface Some of these benefits include the ability to store measurement data to disk interact with other programs and produce a transient simulation Check the California Instruments website www calinst com for the most recent revision of the GUI program The PGUI32 is a Windows program and as such requires PC capable of running 98SE or Windows 2000 XP NT For best performance a Pentium based PC is recommended This section of the manual provides information related to installation of this software only Complete information on how to use the PGUI32 can be found in the on line help supplied with the program Use the Help menu or press on any of the many Help keys located in all program windows for an explanation of the relevant screen or function As always California Instruments appreciates your patronage and would welcome any comments and suggestions you might have regarding this software or any of its other products Comments may be send to support calinst com About This Section of the Manual Note that this section of the manual covers the installation of the PGUI32 software only Use the on line help for complete information It is strongly recommended that you familiarize yourself with the operation of the actual AC power source as well This is best done by studying the rest of this instruction manual Program Requirements To successfully instal
38. figured properly for your particular application Hazardous voltages may be present when covers are removed Qualified personnel must use extreme caution when servicing this equipment Circuit boards test points and output voltages also may be floating above WARNING below chassis ground _ equipment used contains ESD sensitive ports When installing equipment follow ESD Safety Procedures Electrostatic discharges might WARNING cause damage to the equipment Only qualified personnel who deal with attendant hazards in power supplies are allowed to perform installation and servicing Ensure that the AC power line ground is connected properly to the Power Rack input connector or chassis Similarly other power ground lines including those to application and maintenance equipment must be grounded properly for both personnel and equipment safety Always ensure that facility AC input power is de energized prior to connecting or disconnecting any cable In normal operation the operator does not have access to hazardous voltages within the chassis However depending on the user s application configuration HIGH VOLTAGES HAZARDOUS TO HUMAN SAFETY may be normally generated on the output terminals The customer user must ensure that the output power lines are labeled properly as to the safety hazards and that any inadvertent contact with hazardous voltages is eliminated Guard against risks of electrical shock during open cover chec
39. for identification purposes only Notice of Copyright AC Power Source User and Programming Manual 2010 AMETEK Programmable Power Inc All rights reserved Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN WRITING AMETEK PROGRAMMABLE POWER INC 5 WARRANTY AS THE ACCURACY SUFFICIENCY OR SUITABILITY OF TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION b ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES DAMAGES COSTS OR EXPENSES WHETHER SPECIAL DIRECT INDIRECT CONSEQUENTIAL OR INCIDENTAL WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER S RISK AND c REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION THE ACCURACY CANNOT BE GUARANTEED APPROVED AMETEK CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS POSTED AT WWW PROGRAMMABLEPOWER COM Date and Revision March 2011 Revision R Part Number 5003 960 Contact Information Telephone 800 733 5427 toll free in North America 858 450 0085 direct Fax 858 458 0267 Email sales programmablepower com service programmablepower com Web www programmablepower com This page intentionally left blank Important Safety Instructions Before applying power to the system verify that your product is con
40. he button will illuminate when the output is on The output should be a clean 135 volt AC sinewave having less than 1 distortion Apply full load refer to table on Figure 3 3 to the output of the source and verify the output remains within 296 of the initial 135 volt value The output should still be clean and the distortion should still be less than 196 at 60 Hz Using the right shuttle set the output current limit value to 6 amps The system should go into current limit and give an error message on the display err 300 that indicates an output fault condition and the output will go off Return the current value to the maximum current and disconnect the load Repeat steps 4 through 7 but set the output for the following Hi voltage range and the current limit to maximum value The output load should be connected to the Hi range output connector The load value is shown in Figure 3 3 for the 270 volt output Note Output connectors must be changed when changing voltage ranges unless the rear panel output terminals are used March 201 1 HP Series In the event the power source does not pass the functional test refer to the calibration procedure in Section 6 or call California Instrument s customer satisfaction department for further assistance High Range Load Low Range Load Load ON OFF Switch Oscilloscope Analyzer Range Load Figure 3 3 Functional test setup RP Series March 201 1 11 4 Front Panel Operation
41. it and sinusoidal average current limiting to protect the power transistor and load IEEE 488 RS232 The RP can optionally be outfitted with a combined RS232C and IEEE 488 interface board This board assembly has optocouplers for interface isolation The interface in use is selected by a DIP switch on the rear panel Only one interface can be active at any given time March 201 1 HP Series CAUTION VOLTAGES UP TO 270 VAC AND 400 VDC ARE PRESENT IN CERTAIN SECTIONS OF THIS POWER SOURCE THIS EQUIPMENT GENERATES POTENTIALLY LETHAL VOLTAGES DEATH ON CONTACT MAY RESULT IF PERSONNEL FAIL TO OBSERVE SAFETY PRECAUTIONS DO NOT TOUCH ELECTRONIC CIRCUITS WHEN POWER IS APPLIED RP Series Mach204 B 6 Calibration Routine calibration should be performed every 12 months Non routine calibration is only required if a related assembly is replaced or if the periodic calibration is unsuccessful The calibration involves removing the top cover from the power source Remove the line power from the power source before removing the top cover Some of the adjustments are on the Oscillator Assembly A4 Other adjustment are on the DC AC Board Assembly Refer to Figure 6 3 for the location of the adjustments 6 1 Calibration Equipment Digital Multimeter Fluke 8840 or HP 34401A 100 millionm Current Shunt Isotek Model RUG Z R100 0 1 or equivalent Load Bank Various power load resistors will be needed Table 2 Load and current Range C
42. ks by not touching any portion of the electrical circuits Even when power is off capacitors may retain an electrical charge Use safety glasses during open cover checks to avoid personal injury by any sudden component failure Neither AMETEK Programmable Power Inc San Diego California USA nor any of the subsidiary sales organizations can accept any responsibility for personnel material or inconsequential injury loss or damage that results from improper use of the equipment and accessories SAFETY SYMBOLS AN WARNING N CAUTION Risk of Electrical Shock Refer to Accompanying Documents Q Off Supply Direct Current DC b Standby Supply Alternating Current AC On Supply 3 Three Phase Alternating Current D Protective Conductor Terminal 1 Earth Ground Terminal E Fuse L Chassis Ground Product Family 801RP 1251RP Series Warranty Period One Year WARRANTY TERMS AMETEK Programmable Power Inc AMETEK provides this written warranty covering the Product stated above and if the Buyer discovers and notifies AMETEK in writing of any defect in material or workmanship within the applicable warranty period stated above then AMETEK may at its option repair or replace the Product or issue a credit note for the defective Product or provide the Buyer with replacement parts for the Product The Buyer will at its expense return the defective Product or parts thereof to AMETEK in accordance with the ret
43. l and operate the PGUIS2 program you will need the following equipment e California Instruments AC power source Supported models are e 801P 1001P 1251P 801RP 1251RP e PC capable of running 98SE XP 20007 e RS232C communications port e RS232C serial cable supplied with the AC power source See next section for RS232C cable wiring or e National Instruments IEEE 488 Controller Card March 201 1 RP Series Note The PGUI32 be run in the absence of a power source If no AC source is available the PGUI32 can be operated in a simulation mode The program will detect these conditions and start up in simulation mode after notifying the operator Measurements in this case will be simulated and should not be used for any analytical purpose 8 4 RS232C Cable Wiring California Instruments AC power sources require a special RS232C cable to communicate with a PC Standard null modem cables obtained from a computer hardware store most likely will not work For this reason all California Instruments power sources that operate over RS232C are supplied with a RS232C 9 pin female to 9 pin female cable If for some reason this cable cannot be located the following cable diagram shown in Figure 8 1 should be used when constructing a serial cable Figure 8 1 RS232C Cable Wiring DB 9 PC DB 9 AC Source Pin Pin Direction Description 1 1 output reserved 2 2 input Receive data RxD 3 3 output Transmit data TxD 4 4
44. l beads tre tra e Se dex A 42 Conventions Used in This 42 SCPI Commands and Messages ssssssssseseseeeneee enne nnne neret rennen enne 42 USING sco C 44 ser a Se areata 45 SGPI Data Formats uere Gane E certa cet eee fall deoa 47 System Considerations ed e ure edad 50 IEEE Interface o ER EET EET ES EE E e era ieu roga 50 RS232C INS aACO Je mr 50 SCPI Command 53 53 MEO RA 53 SIL MESI IDEA SEES 60 Common Commands sits cece chia ade cte esed rer igne exi teure rei eo cei 63 Programming Examples S eterne BEC EU EE UR DE t tee 69 ecc EE 69 Programming the OUtDUL ei ed Le e eet te ee eee Deci tee aire re dedi laren 69 Making Measurermients oie nette teer qu nhe PX Eel aea 70 Status Reglstets aeuo tei tine vr dian e EET 71 Power On 6
45. mands When enabled this mode may result in more than one command being placed in the UART output buffer If this happens the handshake from the AC source will not prevent the content of this buffer being sent to the AC source and thus will result in more than one command being sent to the AC source To resolve this problem the UART FIFO length needs to be reduced or disabled altogether The procedure to disabled the FIFO mode is outlined in the next paragraph Note If turning off the UART FIFO conflicts with other applications that need to run on the same PC using the same COM port this solution may not be acceptable In this case skip this step and proceed to the second symptom resolution which relies on a software implemented hold off instead of turning off the FIFO buffer If you are using Windows 3 1 and RP Seres March2011 87 experience the same problem the latter method is the only resolution available to you so you should skip the next paragraph as well CIEN Process General Device Manager Hardware Profiles Performance Procedure View devices by type View devices by connection 1 Make sure the PGUI32 program is closed and no device is using the com port in use 2 From the Windows desktop right click on the My Computer icon which is located in the top left corner of the screen 3 From the popup menu select the Properties m Computer 1 6 CDROM H E Disk drives Display adapter
46. me RP Series may use other voltage range values than shown here It is recommended to query the actual range values using the LIM VOLT query as part of your application program When the range is set to 136 the maximum rms voltage that can be programmed is 136 volts The VRANGe command is coupled with the CURRent command This means that the maximum current limit that can be programmed at a given time depends on the voltage range setting in which the unit is presently operating Command Syntax SOURce VOLTage RANGe lt NRf gt Parameters 136 272 RST Value defined by the PONS Examples VOLT RANG 136 Query Syntax VOLT RANGe Returned Parameters lt NR2 gt Related Commands VOLT LIM VOLT 56 Mach20031 RPSeres 14 2 3 Output Subsystem This subsystem controls the main output function of the RP Series source Subsystem Syntax OUTPut bool Enable disable output voltage current power etc OUTPut Command Syntax Parameters RST Value Examples Query Syntax Returned Parameters Related Commands RP Series OUTPut bool 0 1 OFF OUTP 1 OUTP ON March 2011 57 14 2 4 Limit Subsystem This subsystem controls the voltage frequency and current limit of the power source These limits are set at the factory and depend on the power source rating It is not accessible by the user The query format is accessible however Subsystem Syntax LIMit FREQuency LOW Queries the lower frequ
47. nce source not found of this manual headers are emphasized with boldface type The proper short form is shown in upper case letters such as DELay Header Separator If a command has more than one header you must separate them with a colon SYSTem ERRor LIMit FREQuency LOW Optional Headers The use of some headers is optional Optional headers are shown in brackets such as VOLTage LEVel 100 12 4 4 Query Indicator Following a header with a question mark turns it into a query VOLTage VRANGe RP Seres Mach2004 A 12 4 5 Message Unit Separator When two or more message units are combined into a compound message separate the units with a semicolon VOLT 100 FREQ 60 12 4 6 Root Specifier When it precedes the first header of a message unit the colon becomes the root specifier It tells the command parser that this is the root or the top node of the command tree Note the difference between root specifiers and header separators in the following examples SOURce VOLTage LEVel 100 All colons are header separators SOURce VOLTage LEVel 100 Only the first colon is a root specifier SOURce VOLTage LEVel 100 FREQuency 55 Only the third colon is a root specifier You do not have to precede root level commands with a colon there is an implied colon in front of every root level command 12 4 7 Message Terminator A terminator informs SCPI that it has reached the end of a message The only permitted message termina
48. nction with the frequency current button The current measurement readout will appear on the display 5 Locate R29 on assembly board A4 Adjust R29 so that the current reading agrees with the current measured with the external shunt and voltmeter DIGITAL MULTIMETER OUTPUT PLUG DIGITAL MULTIMETEF DC MULTIMETEF Figure 6 2 Test Equipment Hook up for Measurement Calibration 26 Mach2031 RPS 6 3 6 3 1 6 3 2 6 3 3 RP Series Non Routine Calibration Current Limit Calibration Connect the test equipment to the power source as shown in Figure 6 2 Locate R31 on the A4 assembly board Turn R31 clockwise several turns Connect the load to the output Use the 100 milliohm current shunt in series with the load to measure the AC load current Refer to Table 2 for the proper full load Set the Current limit with the right shuttle to 9596 of the current measured with the shunt and AC Multimeter Turn R31 counterclockwise slowly until the output faults Voltage Measurement Calibration This calibration requires the use of P RP GUI and a PC communicating with the AC source via the RS232 interface The IEEE interface can be used as well but requires that the PC is equipped with a National Instrument GPIB controller card Refer to Section 9 for Installing and starting the GUI to monitor the voltage measuremen
49. nd connection of the equipment The second section requires opening the unit and using the LED indicators and a simple multimeter to troubleshoot the unit down to the module level Only a qualified electronic technician should attempt this level of troubleshooting 7 2 Basic Operation Table 3 Basic Symptoms PARAGRAPH PROBLEM 7 2 1 Poor Output Voltage Regulation 7 2 2 Overload Light On 7 2 8 Distorted Output 7 2 4 Unit Shuts Down After 3 5 Seconds 7 2 5 No Output and no lights on front panel 7 2 6 No output but power on LED on front panel is lit 7 2 4 Poor Output Voltage Regulation Table 4 Poor output voltage regulation CAUSE SOLUTION Unit is overloaded Unit is programmed to wrong voltage Select correct voltage range range Input line has fallen below spec limit Check supply voltage 7 2 2 Overload Light is On Table 5 Overload Light On CAUSE SOLUTION Unit is overloaded Unit is switched to high voltage range Select correct voltage range RP Series March2014 29 7 2 3 Distorted Output Table 6 Distorted Output CAUSE SOLUTION Power source is grossly overloaded Reduce load The crest factor of the load exceeds 3 1 Reduce load current peaks by reducing load 7 2 4 Unit Shuts Down After 3 5 Seconds Table 7 Unit shuts down after 3 5 seconds CAUSE SOLUTION Output shorted Remove output short Output grossly overloaded Operating load with too high inrush or start Consult factory for application ad
50. ng about them will clarify or enhance your understanding of the original command or query This chapter is organized as follows e Subsystem commands arranged by subsystem IEEE 488 2 common commands 14 2 Subsystem Commands Subsystem commands are specific to AC source functions They can be a single command or a group of commands The groups are comprised of commands that extend one or more levels below the root The description of common commands follows the description of the subsystem commands The subsystem command groups are listed in alphabetical order and the commands within each subsystem are grouped alphabetically under the subsystem Commands followed by a question mark take only the query form When commands take both the command and query form this is noted in the syntax descriptions RP Series Mach204 8 14 2 1 Measurement Subsystem This subsystem programs the current and voltage measurement capability of the RP Series AC source Subsystem Syntax CURRent VOLTage MEASure CURRent Returns the rms value of current Returns the rms value of voltage This query returns the rms value of the output AC current being sourced at the output terminals Note that the output relay must be closed to obtain current flow Query Syntax Parameters Examples Returned Parameters Related Commands MEASure VOLTage MEASure CURRent None MEAS CURR lt NR2 gt OUTP 011 This qu
51. o shuttle knobs located below the LED seven segment displays which are used to change setup parameters for voltage frequency and current limit The mode button selects the function of the right shuttle The right shuttle will control either the frequency or the current limit as indicated by the indicator above the right LED segment display 4 1 4 FUNCTION Buttons There are three function buttons for the Output Voltage Range Output State and Shuttle Mode The following is a description of these buttons KEY DESCRIPTION RANGE The RANGE button is used to change the voltage range between the low range 0 to 135 volts and high range 0 to 270 volts The LED above the switch will light to indicate the high voltage range selection The output voltage will be reset to zero voltage after a range change OUTPUT The OUTPUT button will toggle the output to enable or disable the output The LED above the button will light when the output is on No output voltage will be present when the OUTPUT button is off despite the level of voltage programmed MODE The MODE button selects the function of the right shuttle knob and the right LED segment display The shuttle will control the output frequency and the display will show the program frequency value when the mode selection is frequency The Shuttle knob will program the current limit and the display will show its value in the current mode The display will revert back to showing the measured current
52. oard LED s LED FUNCTION COMMENTS 24V ok 24 volt fan power is available regulation regulation 55 is withi D 15V ok 15V power to the optocouplers on the AC converters is within regulation logic power is ok to the AC converter DC output is up and within regulation 20 3 Mach2003 RPSeres 5 6 Oscillator Control Board The Oscillator control board has the Microcontroller and all the control logic to generate a programmable sine wave reference of the correct amplitude and frequency It includes all the control logic to respond to user commands from the front panel or the remote control interface It also updates the displays to show the programmed settings and current measurements Refer to Figure 5 2 for a block diagram When the output is programmed above 5 0 volts the multicolor LEDs 0510 and 099 on the oscillator board will illuminate Current DAC Frequency Generation Voltage DAC Controller Control OSC Reference Figure 5 2 Oscillator and controls RP Series March 201 1 21 5 7 5 8 22 DC to AC Power Module The DC to AC power Module takes a 250V DC input and generates 0 to 135 volts AC directly coupled low range output When the DC to AC module is supplied with 400 volts DC the AC module generates 0 to 270 volts AC The output converter is a PWM full bridge topology with an LC filter on the output The switching frequency is 34 6 kHz This module has pulse by pulse peak current lim
53. olution 16 0 99 9 Hz 0 1 Hz 100 500 Hz 1 Hz Frequency Accuracy 0 02 of programmed value DC Offset Voltage Less than 25 mV with linear load Output Noise lt 0 2 volts RMS on 135 range lt 0 5 volts RMS on 270 range Measurements Current TRMS Resolution 0 1 amp Accuracy 0 2 amp Voltage Accessible only through RS232 IEEE 488 Interface 0 250V 251 to 270V Resolution 1 Volts 2 volts Accuracy 4 Volts 6 volts RP Series March 2011 2 1 4 System Specification Non Volatile Memory Storage RS232C Interface optional IEEE Interface Remote Inhibit 8 complete instrument setups Accessible through RS232C interface only 1 Bi directional serial interface 9 pin D shell connector Handshake CTS RTS Data bits 8 Stopbits 1 Parity None Baud rate 9600 IEEE 488 2 commands and SCPI Bi directional parallel interface 24 pin D shell connection IEEE address set using DIP switch on rear panel from 0 to 31 IEEE functions SH1 1 T8 L3 RL2 Terminators LF CRLF EOI IEEE 488 2 commands and SCPI Option RI required Rear panel connector BNC Input Contact closure to ground or logic low TTL signal required to turn off output Automatic recovery when RI signal is removed March 2011 RP Series 2 1 5 Unit protection Input Overcurrent Electronic current limit with fuse Input Overvoltage Transients Surge protection to withstand EN50082 1 IEC 801 4 5 levels
54. on 4 through 0 on the rear panel Installing the PGUI32 Software The PGUI32 software is distributed on CD ROM 496 or can be downloaded from the California Instruments website To install the PGUI32 proceed as follows 1 Turn on the PC and boot up in Windows 2 Insert the CD ROM 3 Run the Setup exe program to launch the CD Browser if it did not auto start From the CD Browser select the 801P 1001P 1251P entry in the Low Power category on the left 4 Select the GUI Software tab on the right and select the Windows 32 bit version Then click on the Execute Selection button at the bottom 5 Follow the instructions provided by the setup program to complete the installation March 201 1 HP Series 6 When the installation has completed remove the CD ROM store a safe place Reboot the PC to activate the new settings You are now ready to start using the PGUI32 software 9 4 Trouble Shooting RS232C This section provides guidelines for resolving communication problems that may occur when using the PGUI32 software under Windows 98 XP 2000 NT You may encounter problems when using the serial interface with the PGUI32 program that is supplied with the interface option for this source Symptoms 1 Unable to verify connection to the power source through RS232C interface Timeout occurs and dialog box appears that asks if you want to switch to simulation mode An error message ERR 100 may appear on
55. output The display above the shuttle will show the voltage setting 3 Usethe right shuttle to set the frequency and current limit The Frequency Current select button will define the function of the shuttle and the display above it The Frequency or Current LED will turn on to indicate the function controlled by the right shuttle 4 Enable the output by pressing the OUTPUT button 4 2 2 Slewing Output Values The output parameters can be slewed using the shuttles 1 2 Enable the output by pressing the OUTPUT button The LED above it will turn on Use the left shuttle to set the output voltage Clockwise will increase the output counter clockwise will reduce the output The display above the shuttle will show the voltage setting Use the right shuttle to set the frequency and current limit The Frequency Current button will define the function of the shuttle as indicated by the display above it The Frequency or Current LED will turn on to indicate the function in control 4 2 3 View Current Measurements Current measurements can be called up as follows 1 2 Press the Frequency Current button to select the Current function Immediately the Frequency Current display will show the measured current Moving the right shuttle will interrupt the current measurement The display will show the current limit value After a short delay the display will revert back to show the measured current March 201 1 HP Series 4
56. program message called a query 12 2 3 The SCPI Command Tree 44 As previously explained the basic SCPI communication method involves sending one or more properly formatted commands from the SCPI command tree to the instrument as program messages The following figure shows a portion of a subsystem command tree from which you access the commands located along the various paths you can see the complete tree in appendix A Root SOURce REMote VOLTage LEVel CURRent E RANGe ERRor FREQuency EB LOW HIGH Figure 12 1 Partial Command Tree The Root Level Note the location of the ROOT node at the top of the tree Commands at the root level are at the top level of the command tree The SCPI interface is at this location when the source is powered on device clear DCL is sent to the AC source the SCPI interface encounters a message terminator the SCPI interface encounters a root specifier Active Header Path In order to properly traverse the command tree you must understand the concept of the active header path When the AC source is turned on or under any of the other conditions listed above the active path is at the root That means the SCPI interface is ready to accept any command at the root level such as SOURCe or MEASurement If you enter SOURCe the active header path moves one colon to the right The interface is now ready to accept VOL Tage FR
57. r is running If DS200 is not lit check fuse F1 on the DC DC board as in paragraph 7 3 4 above If all LEDs are lit and the LED output indicator is lit but no output then suspect the relay on DC AC board If all 8 LEDs are lit on the DC DC converter then the problem is on the DC AC module Switch off then check wiring from the DC AC board output to the output sockets on the front panel If this is OK check the fuse F2 on the DC AC module Switch off Remove two screws from the underside of the enclosure to gain access to the module and F2 If the fuse March 201 1 HP Series is blown and check shows signs of damage or burning on the board DO REPLACE FUSE Replace DC AC module If there are no signs of burning or damage on the DC AC board or components then it could be assumed that it is a random fuse failure and it would be OK to replace the fuse and try again WARNING In most cases when a fuse blows it is likely caused by a failed power semiconductor repeatedly replacing fuse will only cause severe damage to that or other assemblies RP Series March 2011 33 8 Introduction to PGUI32 8 1 About This Program The California Instruments Graphical User Interface program PGUI32 was developed as a companion product to the California Instrument 801RP 1251RP AC power sources Its main purpose is to provide a soft front panel to the instrument when connected to a PC through the RS232C serial inter
58. re remote control and measurements 2 Specifications All specifications at 25 5 C unless noted otherwise 2 1 Electrical 2 1 1 Input Line Voltage 85V to 264V maximum 100V to 240V nominal Line Current 15 A RMS max Line Frequency 47 63 Hertz Efficiency 8096 typical depending on line and load Power Factor 0 95 or greater typical Inrush Current 70 A peak max at 260V input Hold Up Time 20 ms with no effect on output Isolation Voltage Input to output 2200 VAC input to chassis 1350 VAC 2 1 2 Output N Voltage Range 0 to 135 V rms or 270 V rms Voltage Resolution 0 1 volt Voltage Accuracy 1 of range 50 to 60 Hz 2 at 400 Hz Line amp Load Regulation 1 of FS on low range 0 596 of FS on high range Voltage Distortion 0 5 typical THD at 50 60 Hz Total Power 800 VA maximum at full scale voltage either range Model 801RP 1250 VA maximum at full scale voltage either range Model 1251RP Note On the 1251RP the maximum output power is limited to 1000VA when the input voltage is below 120VAC 2 March 201 1 RP Series Current 6 0 A rms 18 A peak low range Model 801RP 3 0 A rms 9 A peak high range Model 801RP 9 2 A rms 27 6 A peak low range Model 1251RP 4 6 A rms 13 8 A peak high range Model 1251RP Current Limit 801RP 1251RP 135V range 0 0 to 6 0 9 2 270V range 0 0 to 3 0 4 6 Accuracy Programmed value 5 of maximum current Frequency Range Range Res
59. s Floppy disk controllers Hard disk controllers 9 98 Keyboard 4 This brings up the System Properties dialog 9 8 Modem box Monitor H A Mouse 9 80 Network adapters E Ports COM amp LPT 7 Communications Port COM1 E 4 Communications Port 2 ECP Printer Port LPT1 m System devices 9 With the correct COM port selected click on Refresh Remove Print the Properties button at the bottom left of the dialog box OK Cancel 10 This brings up the settings dialog box for the Im port In this example COM is used 5 From the tabs shown at the top of the dialog box select the Device Manager tab 6 Therelevant screen is shown in Figure 9 1 7 Expand the Ports COM amp LPT tree selection by clicking on the sign 8 Select the COM port you plan to use to communicate with the P or RP series power source 11 From the tabs at the bottom of the dialog box Figure 9 1 System Properties Dialog Box E nn d 12 This should bring up the dialog shown in E gt Figure 9 2 f 1 sme 13 Next select the Advanced button to bring up Select lower settings to correct connection problems the advanced port settings dialog box shown fo faste DETTO 9 3 Butter 7 Deis 14 Atthe top of the dialog box disable the Use buffers requires 16
60. s Mach204 88 14 4 1 14 4 2 CLS This command clears the following registers see chapter 16 for descriptions of all status registers Standard Event Status Status Byte Error Queue Command Syntax CLS Parameters None ESE This command programs the Standard Event Status Enable register bits The programming determines which events of the Standard Event Status Event register see ESR are allowed to set the ESB Event Summary Bit of the Status Byte register A 1 in the bit position enables the corresponding event All of the enabled events of the Standard Event Status Enable Register are logically ORed to cause the Event Summary Bit ESB of the Status Byte Register to be set See Section 16 for descriptions of the Standard Event Status registers The query reads the Standard Event Status Enable register Table 11 Bit configuration of standard event status enable register e a 5 04 Bit not CME EXE DDE QYE not not used Hee BitWeight_ 128 32 16 8 4 CME Command error DDE Device dependent error EXE Execution error QYE Query error PON Power on Command Syntax lt NRf gt Parameters 0 255 Power On Value 128 Example ESE 129 Query Syntax ESE Returned Parameters lt NR1 gt Register value 64 Related Commands ESR STB March 2011 RP Series 14 4 3 ESR This query reads the St
61. sage unit by separating it with a semicolon the message unit separator Common commands do not affect the active header path you may insert them anywhere in the message VOLTage 115 ESE 255 OUTPut 0 RCL 2 12 3 Using Queries Observe the following precautions with queries e Setup the proper number of variables for the returned data Read back all the results of a query before sending another command to the AC source Otherwise a Query Error will occur and the unreturned data will be lost RP Series March 201 1 45 12 4 Structure of a SCPI Message SCPI messages consist of one or more message units ending in a message terminator The terminator is not part of the syntax but implicit in the way your programming language indicates the end of a line such as a newline or end of line character 12 4 1 The Message Unit The simplest SCPI command is a single message unit consisting of a command header or keyword followed by a message terminator FREQuency lt newline gt VOLTage lt newline gt The message unit may include a parameter after the header The parameter usually is numeric VOLTage 20 lt newline gt OUTPut 1 lt newline gt 12 4 2 Combining Message Units The following command message is briefly described here with details in subsequent paragraphs Data Query Indicator Message Unit ns SOUR VOLT 80 FREQ 60 CURR NL Header Mes age oot Message Separator Unit Specifier Terminator Sep
62. stem Properties Dialog 2 0 2240 0 38 Figure 9 2 Advanced Port Settings Dialog 22 2 0000 00 38 Figure 9 3 COM Port Properties Dialog BOX sss nennen nennen rennen enne nnne 39 Figure 12 1 Partial Command cct Prep e ee ct epe t dite nta 43 Figure 12 2 Command Message Structure sssssssssssseseseeeeee nennen nennen nennen nennen nnns 45 Figure 13 1 GPIB Address Selection 50 Figure 13 2 RS232C Interface cable wiring diagram sse 52 Figure 16 1 AC Source Status System Model ssssssssseseeeneenenenneen enne nene 71 List of Tables Table 1z Logic Board LEDS tont te ea e pl b o p eim e ud 20 Table 2 Load and Current e i tee bre ea Pere e dv tern pei feeit p e D 24 Table S Basic Symptoms 3 4 iet EUR ductam ti b ets 29 Table 4 Poor output voltage regulation 29 Table 5 zOverload Fight Ornti z ita E ed gi eese ee 29 Table 6 Distorted Oultpult door adde e ag eco 30 Table 7 Unit shuts down after 3 5 30 Table 8 No output and no lights on front 30 Table 9 No output but power led 518 30 Tabl 10 Beplaceable P rts ioter t ete ee e Dite fuae eiii dea b Qe ER SES rat 4
63. t changing the state of the KLOC setting does not change the REMOTE or LOCAL state This setting only affects the REMOTE LOCAL state at power up Command Syntax SYSTem KLOCk Parameters 011 Example SYST KLOC 1 Query Syntax SYST KLOC Returned Parameters lt NR1 gt Related Commands SYST REM SYST LOC 60 Mach200831 RPSeres SYSTem LOCal This command sets the interface in Local state which enables the front panel controls This command only applies to the RS232C interface If IEEE 488 is used the remote local state is determined by the REN line on the IEEE 488 interface Command Syntax SYSTem LOCal Parameters None Example SYST LOC Related Commands SYST REM SYSTem REMote This command sets the interface in the Remote state which disables all front panel controls This command only applies to the RS232C interface If IEEE 488 is used the remote local status is determined by the REN line on the IEEE 488 interface Command Syntax SYSTem REMote Parameters None Example SYST REM Related Commands SYST LOC RP Series March 2011 61 SYSTem PON This command is used to define the register value the power source will use to initialize its parameters at power up If data in the selected register is not valid or the selected register is 8 the initialization will be with factory default values Refer to paragraph 14 4 6 Command Syntax SYSTem PON lt NRf gt Parameters 0 to 8 Examples SYST PON 1 Query Syntax
64. t lit the AMP F2 fuse and a 10 Amp F1 fuse both located in the problem is probably in the large center of the PC board You will have to remove the two ribbon cable that runs between the screws at the bottom of the unit to remove the module in DC DC and the AC converter order to replace the fuses TURN OFF THE UNIT AND WAIT AT LEAST 10 MIN UTES BEFORE REMOVING MODULE If fuses are blown and there are signs of burn marks on the components do not replace fuses and power up Replace DC DC module No Output LEDs on Front are Lit Plug unit in and switch on Are all the LEDs lit on the DC DC board 3 amber LEDs 053 DS4 DS5 if one or more of these LEDs is not lit the trouble is on the DC AC board Unplug the cable to the DC AC module after safely removing power If all the LEDs are lit after power up replace the DC AC module as it has a shorted gate drive and probably blown power transistors Red and green LEDs DS6 and DS7 on the back of the board provide power to DC AC and the oscillator board If either of these are not lit switch off power remove large ribbon cable from DC DC converter and power up again If LEDs are lit the problem is on the DC AC or the oscillator board If the LEDs remain off replace the DC DC board If LED DS8 is not lit no power will be available to run the DC converter drive logic Replace DC DC module LED DS2 red indicates 24V fan power available LED DS200 will be lit if the DC converte
65. t sinewave Command Syntax SOURce FREQuency lt NRf gt Parameters range specified by the LIM FREQ LOW and LIM FREQ HIGH commands Unit Hz Hertz RST Value defined by PON Examples FREQ 50 Query Syntax FREQuency Returned Parameters lt NR2 gt Related Commands LIM FREQ LOW LIM FREQ HIGH RP Series Mach204 55 VOLTage This command programs the AC rms output voltage level of the power source Command Syntax SOURce VOLTage LEVel lt NRf gt Parameters 0 to maximum voltage range specified by the VRAN command Unit V rms voltage RST Value 0 volt Examples VOLT 250 VOLT LEV 25 Query Syntax SOURce VOLTage LEVel Returned Parameters lt 2 gt Related Commands VOLT RANGe RANGe This command sets the voltage range of the power source Two voltage ranges are available a 135 volt range and a 270 volt range However to allow this voltage to be present at the load the AC source allows voltage settings slightly higher than this This allows for one or two volt of cable loss Consequently the actual voltage range values will be slightly higher than 135 and 270 To determine the actual range values use the query format of the RANGE command The returned values for high and low range eg 136 and 272 should be used to change range In any case the high voltage range value will be two times the low voltage range value Sending a parameter other than the actual range values will not be accepted So
66. t to 2K each although this is not required for most operations OPEN COM2 9600 n 8 1 BIN LF TB2048 RB2048 FOR RANDOM AS 41 LEN CLS PRINT P SERIES INTERACTIVE MODE Enter and endless loop to accept user entered commands DO INPUT Enter Command quit to exit gt cmd IF cmd lt gt QUIT AND cmd lt gt quit THEN IF LEN cmd gt 0 THEN PRINT 1 cmd CHR 10 END IF F INSTR cmd THEN PRINT AC Source response retstring END IF Check for Errors after each command is issued PRINT 1 ESR CHR 10 Mask off bits 5 4 3 2 only Other bits are not used esr VAL retstring AND 60 Process esr value for error bits F esr AND 4 THEN NT Query Error Reported by AC Source AND 8 THEN Instrument Dependent Error Reported by AC Source AND 16 THEN Command Execution Error Reported by AC Source AND 32 THEN Command Syntax Error Reported by AC Source ERR XXX Message from front panel if any error occured esr 0 THEN RINT 1 CLS 4 CHR 10 END END IF LOOP UNTIL cmd QUIT OR cmd quit Close COM port on exit FUNCTION retstring This function returns a response string from the P Series AC power source The QBasic statement LINE INPUT cannot be used as the P Series does not return a CR 13 after a response message The LINE INPUT function waits for a CR before re
67. tains programming information for the RP Series AC Power Source You will find the following information in the rest of this guide Chapter 11 Introduction Chapter 12 Introduction to SCPI Chapter 13 Error Reference source not found Chapter 14 SCPI Command Reference Chapter 15 Programming Examples Chapter 16 RP Series March 201 1 41 42 Status Registers Appendix A Appendix B Appendix C SCPI command tree SCPI conformance information Error messages March 2011 RP Series 12 Introduction to SCPI SCPI Standard Commands for Programmable Instruments is a programming language for controlling instrument functions over the RS232 or IEEE 488 bus The same SCPI commands and parameters control the same functions in different classes of instruments For example you would use the same MEAS VOLT command to measure the AC source output voltage or the output voltage of a SCPI compatible multimeter 12 1 Conventions Used in This Manual Angle brackets lt gt Items within angle brackets are parameter abbreviations For example lt NR1 gt indicates a specific form of numerical data Vertical bar Vertical bars separate alternative parameters For example 0 1 indicates that either 0 or 1 can be used as a parameter Square Brackets Items within square brackets are optional The representation SOURce VOLT means that SOURce may be omitted Boldface font Boldface font is used to emphasize syntax in command definitions C
68. te www programmablepower com by clicking Support and going to the Service Centers tab 2 When requesting an RMA have the following information ready e Model number e Serial number e Description of the problem NOTE Unauthorized returns will not be accepted and will be returned at the shipper s expense NOTE A returned product found upon inspection by AMETEK to be in specification is subject to an evaluation fee and applicable freight charges Table of Contents 1 e ER nM 1 General D amp scriptioni itt e e ete d FU C RERO 1 Specifications d ctc tet t Ferte do D Ln een 2 Electrical eI telis qnaa nir EE 2 Mechanicab ti n 5 Environmental EE 6 Regulatory MC 6 Eront Paneli Controls iss A ARRAS 7 Available Gee a Re cc C 7 Urnpacking arnd InstallatiQEr unos ioi t iti pt E Fe nt che ere ERI eda e 8 duoi EE 8 Power Req lremberits un ors rire iet ete ce t eei csetera tede citer E Re EE d e Ce Rx e Pirna e Hae 8 Mechanical InstallatlOri 2 1 rer tH E DEPO RON OE 8 Input Re Ore 9 Output Connectior s cunc eie remitte ce 9 Output Voltage Ranges ee Oe eens dede ee deans d cnn dee ee LE dev Teen S 10 a
69. ters enclosed in double quotes March 2011 49 13 System Considerations 13 1 This chapter addresses some system issues concerning programming IEEE Interface The 801RP 1251RP can optionally be equipped with both RS232C and IEEE 488 interfaces The desired interface is selected by moving the DIP switch position 5 to the correct mode Only one interface can be active at a time 13 1 1 IEEE Address Selection 13 2 50 The IEEE address of the 801RP 1251RP is set using the DIP switch at the rear of the unit Switch position 4 through 0 corresponds to bits 4 through 0 of the IEEE address See Figure 13 1 below NO 4 LISTEN 5252 ADDRESS SELECTION NLY
70. th a SYST REM command See SYSTem KLOCk for information on the power up remote local state 14 4 7 SAV This command stores the present state of the AC source to a specified location in memory Up to 8 states can be stored in nonvolatile memory Command Syntax Parameters 0 through 7 Related Commands RCL RST RP Seres Mach2004 67 14 4 8 SRE This command sets the condition of the Service Request Enable Register This register determines which bits from the Status Byte Register see STB for its bit configuration are allowed to set the Master Status Summary MSS A 1 in any Service Request Enable Register bit position enables the corresponding Status Byte Register bit and all such enabled bits then are logically ORed to cause Bit 6 of the Status Byte Register to be set See chapter 16 for more details concerning this process When the controller conducts a STB command the MSS bit is not cleared When SRE is cleared by programming it with 0 the source cannot generate an MSS bit Command Syntax SRE lt NRf gt Parameters 0 to 255 Default Value 128 Example SRE 255 Query Syntax SRE Returned Parameters NR 1 Register binary value Related Commands ESE ESR 14 4 9 STB 68 This query reads the Status Byte register which contains the status summary bits and the Output Queue MAV bit Reading the Status Byte register does not clear it The input summary bits are cleared when th
71. the front panel LED segment displays of the power source Or 2 Verification is successful but slewing of voltage frequency or current limit results in an ERR 100 Things to check first 1 Is the PC com port you selected to use really available for this purpose On older PC s com port interrupts are often shared between com 1 and com3 as well as com2 and com 4 If any of these other com ports is in use it may prevent you from using the com port that shares the same interrupt 2 Did you use the RS232C cable that was supplied with the P RP AC source This is not a null modem cable and cannot easily be obtained at a computer store If you do not have the original cable consult the PGUI32 on line help under Interface settings for a wiring diagram 3 Did you connect the cable in the right direction This cable is uni directional and should be marked with a SOURCE and a PC label Make sure you connect the SOURCE side of the cable to the back of the AC source and the PC side of the cable to the PC port Resolution for Symptom 1 The P and RP Series of AC sources require hardware handshaking to control data flow from the PC to the AC source After receiving a command the AC source asserts the DTR line to hold off further communication from the PC until the command just sent has been processed Under Windows 95 it is possible to use a 16 byte transmit buffer if a 16550 UART is present This FIFO exceeds the length of most AC source com
72. to switch between display of current or frequency data Command Syntax DISPlay MODE lt boolean gt Parameters 0 display frequency 1 display current Query Syntax DISPlay MODE lt boolean gt Returned Parameters lt NR2 gt RP Series Mach204 59 14 3 System Commands The system commands control the system level functions of the AC Source 14 3 1 System Syntax Command Subsystem Syntax SYSTem ERRor Returns the error number and error string LOCal Go to local mode REMote Go to remote mode PON Define the power on register number SYSTem ERRor This query returns the next error number followed by its corresponding error message string from the remote programming error queue The queue is a FIFO first in first out buffer that stores errors as they occur As it is read each error is removed from the queue When all errors have been read the query returns 0 No Error If more errors are accumulated than the queue can hold the last error in the queue is 350 Too Many Errors Query Syntax SYSTem ERRor Parameters None Returned Parameters lt NR1 gt lt SRD gt Example SYST ERR SYSTem KLOCk This command sets or clears the power on LOCAL or REMOTE state When set 1 the AC Source will power up in remote state locking out all keyboard controls The local state can only be entered by sending a bus command This mode may be used to prevent operator access to front panel controls under all conditions Note tha
73. to the voltage range selected Do not connect these outputs together as this will cause the unit to fault RP Series March 2011 9 3 6 Output Voltage Ranges The AC power source has two standard output voltage ranges 0 135V and 0 270V The operator may switch from one range to the other at will with no special precautions except to remember that the output voltage will go to zero voltage whenever a range change takes place Note The output changes to the other socket on front panel with a range change 3 7 Functional Test AN CAUTION Work carefully when performing these tests hazardous voltages are present on the input and output during this test Refer to Figure 3 3 for the test set up 1 Connect an oscilloscope voltmeter and or distortion analyzer to the AC source output at the 135 Volt output terminal Connect the AC power input voltage connections to the AC source input terminals Turn on the power switch located at the rear panel Verify that the front panel LED SEGMENT display reads out the initial start up voltage and frequency Select the low voltage range Set the frequency to 60 Hz with the right shuttle Select the current function with the Frequency Current selector Set the current limit to the maximum value using the right shuttle Set the output voltage to 135V with the left shuttle Enable the output by pressing the output on off button in the top right of the front panel The green LED above t
74. tor is e newline NL which is ASCII decimal 10 or hex OA In the examples of this manual there is an assumed message terminator at the end of each message If the terminator needs to be shown it is indicated as NL regardless of the actual terminator character 12 5 SCPI Data Formats All data programmed to or returned from the AC source is in ASCII The data type may be numerical or character string 12 5 1 Numerical Data Formats Symbol Data Form Talking Formats lt NR1 gt Digits with an implied decimal point assumed at the right of the least significant digit Examples 273 lt NR2 gt Digits with an explicit decimal point Example 0273 lt NR3 gt Digits with an explicit decimal point and an exponent Example 2 73E 2 lt Bool gt Boolean Data Example 0 1 Listening Formats lt Nrf gt Extended format that includes lt NR1 gt lt 2 gt and lt NR3 gt Examples 273 2 2 73E2 lt Bool gt Boolean Data Example 0 1 12 5 2 Character Data Character strings returned by query statements may take either of the following forms depending on the length of the returned string 48 March 2011 RP Series lt CRD gt lt AARD gt lt SRD gt RP Series Character Response Data Permits the return of character strings Arbitrary ASCII Response Data Permits the return of undelimited 7 bit ASCII This data type has an implied message terminator String Response Data Returns string parame
75. ts Program the output voltage to 170 volts and 200 Hz The output must not be loaded Monitor the output voltage with an external voltmeter Locate R128 on the assembly board Adjust R128 so that the measured value reported by the GUI measurements agrees with the external voltmeter DC Offset Adjustments Program the output voltage to 230 volts and 60 Hz Measure the DC offset at the output using a Fluke 8840 or equivalent Verify that offset is less than 0 025V Measure the DC voltage across a 22 uf capacitor connected to the output through a 215K resistor Refer to Figure 6 2 Locate R46 on the A3 assembly board Adjust R46 if required to maintain the DC offset within O 20 025 VDC March 201 1 27 2 H R2 EIS Lit 1 OSCILLATOR ASSY Figure 6 3 Location of Internal Adjustments 28 March 2011 RP Series T Service 7 1 General This section describes the suggested maintenance and troubleshooting procedure The troubleshooting procedure is divided into two sections The first section deals with basic operation a
76. turning a string The P Series returns a LF 10 instead so we need to poll each returned character for a LF to RP Series March 2011 51 assemble the response string port needs to be opened AS random with a record length of 1 for it to support this function Also the device number is assumed to be 41 Optionally this value could be passed as a parameter to make this program more generic DIM char AS STRING 1 DIM resp AS STRING char char INPUTS 1 1 LOOP UNTIL char CHRS 10 Return result retstring LEFTS resp LEN resp D FUNCTION 13 2 2 Serial Cable Diagram The following wiring diagram is required for the serial interface cable between the RP Series AC power source and a PC communications port connector Figure 13 2 RS232C Interface cable wiring diagram DB 9 PC DB 9 AC Source Pin Pin Direction Description 1 1 output reserved 2 2 input Receive data RxD 3 3 output Transmit data TxD 4 4 output Data Terminal Ready DTR 5 5 Signal Ground 6 6 input Data Set Ready DSR 7 7 8 L 8 9 9 output reserved 55 Mach200831 RPSeres 14 SCPI Command Reference 14 1 Introduction Related Commands Where appropriate related commands or queries are included These are listed because they are either directly related by function or because readi
77. uency 2 Press and hold the Select key normally toggles between F and C readouts RP Series March 201 1 17 While holding the Select key press the OUTPUT ON OFF key This will save the present front panel settings in non volatile memory register NVM no 7 and assign this register as the power on register Release both keys This procedure can be repeated as often as needed by the user March 201 1 RP Series 5 5 1 Principle of Operation General 5 2 An explanation of the circuits in the AC Source is given in this section Refer to Figure 5 1 for a block diagram of the system Power Factor DC DC DC AC Corrector PFC Converter Converter Oscillator amp Controls Figure 5 1 AC Source block diagram Overall Description 5 3 The AC input is fed to the power factor correction boost type converter The converter steps the voltage to 385 VDC while drawing near sinusoidal current from the input power line The DC to DC converter provides isolation and changes the voltage to 250 VDC or 400 VDC depending on whether the low output range or high output range is selected The DC to AC converter develops an AC sine wave voltage at the output frequency and amplitude programmed by the oscillator The oscillator board provides the reference signal to the DC to AC converter and has the front panel shuttles and switches to control and view the setting of voltage frequency and current limit Power F
78. urn procedure specified below AMETEK will at its expense deliver the repaired or replaced Product or parts to the Buyer Any warranty of AMETEK will not apply if the Buyer is in default under the Purchase Order Agreement or where the Product or any part thereof e is damaged by misuse accident negligence or failure to maintain the same as specified or required by AMETEK e is damaged by modifications alterations or attachments thereto which are not authorized by AMETEK e installed or operated contrary to the instructions of e is opened modified or disassembled any way without AMETEK s consent or e used in combination with items articles or materials not authorized by AMETEK The Buyer may not assert any claim that the Products are not in conformity with any warranty until the Buyer has made all payments to AMETEK provided for in the Purchase Order Agreement PRODUCT RETURN PROCEDURE 1 Request a Return Material Authorization RMA number from the repair facility must be done in the country in which it was purchased Inthe USA contact the AMETEK Repair Department prior to the return of the product to AMETEK for repair Telephone 800 733 5427 ext 2295 or ext 2463 toll free North America 858 450 0085 ext 2295 or ext 2463 direct e Outside the United States contact the nearest Authorized Service Center ASC A full listing can be found either through your local distributor or our websi
79. urrent Load max 801RP 135V 22 50 801RP 270V 90 00 1251RP 135V 14 60 1251RP 270V 58 60 6 2 Routine Calibration Setup Connect the test equipment to the power source as shown in Figure 6 1 Refer to Figure 6 3 for adjustment locations The DMM can be connected to the front panel connectors for convenience but will have to be changed when switching voltage ranges To avoid this use the common output terminal at the rear of the unit For best results use the output connectors Front or Rear that are typically used 24 March 2011 RP Series Source Output Digital Plug Multimeter Figure 6 1 Test Equipment Hookup for Routine Output Calibration 6 2 1 Output Voltage Calibration 1 Select the low voltage range Set the output frequency to 60Hz Set the output voltage to 135 volts 2 Remove the load and enable the output voltage with the Output ON OFF button 3 Locate R111 on A3 assembly board and adjust R111 so that the external voltmeter will read 135 0V 0 1V RP Series Mach204 25 6 2 2 Current Measurement Calibration 1 Connect the test equipment to the power source as shown in Figure 6 2 2 Connect the load the output Use the 100 milliohm current shunt in series with the load to measure the AC load current Refer to Table 2 for the proper full load 3 Read the output voltage across the shunt with the external voltmeter 4 Tocalibrate the current measurement functions select the current fu
80. vice up currents 7 2 5 Output and No Lights on Front Panel Table 8 No output and no lights on front panel CAUSE SOLUTION Rear panel power switched off Switch the breaker on No input power to the input connector Ensure correct input power Blown fuse Check fuse in the rear panel and replace with same type and rating 7 2 6 No Output but power LED on Front Panel is Lit Table 9 No output but power on led is lit CAUSE SOLUTION OUTPUT switch is turned off Turn OUTPUT ON switch to ON Power cord plugged into the wrong socket Only USA socket is energized when low range is selected Current limit programmed down or to zero Program current limit higher Voltage programmed down or to zero Turn amplitude control up Fault LED is lit Cycle Rear Panel power switch off and on 30 Mach20834 RPSeres 7 3 Advanced Troubleshooting WARNING NOT CONNECT 400 480V TO THE UNIT THE RESULT WILL BE A SEVERELY DAMAGED UNIT CAUTION VOLTAGES UP TO 270 AND 400VDC PRESENT IN CERTAIN SECTIONS OF THIS POWER SOURCE WARNING THIS EQUIPMENT GENERATES POTENTIALLY LETHAL VOLTAGES DEATH ON CONTACT MAY RESULT IF PERSONNEL FAIL TO OBSERVE SAFETY PRECAUTIONS DO NOT TOUCH ELECTRONIC CIRCUITS WHEN POWER IS APPLIED 7 3 1 Switch Off Unit Switch off the unit with the power on off switch on the rear panel as well as removing the input power from the unit WARNING W

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