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1-2

KFM2151

General Description

1.1

About This Manual

This manual describes the KFM2151 FC Scanner.

Impedance of fuel cells is measured using a system that combines the KFM2151,
KFM2150 FC Impedance Meter, and the PLZ-4W Series Electronic Load Unit.

For a description of the KFM2150 FC Impedance Meter and the PLZ-4W Series
Electronic Load Unit, see the operation manuals of the respective products.

Firmware version of the product to which this manual applies

This manual applies to KFM2151s with firmware version 1.0X.

When making an inquiry about the product, please provide us with the following
information.

•

Model (written on the front cover of this manual)

•

Firmware version

•

Serial number (indicated at the lower section on the rear panel)

1.2

Overview

The KFM2151 is a channel selector for the 32-channel voltmeter and impedance
meter.  It is used  as a  component  instrument of  the impedance measurement system
as shown in Fig.1-1.  By  combining  with  the  KFM2150  FC  Impedance  Meter,  the
voltage and impedance of each stack of the fuel cell can be measured.

If it is not used in combination with the KFM2150 FC Impedance Meter, it can be
used as a multi-channel voltmeter.

The role of the scanner in the impedance measurement system is described in the
next section.

See

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Содержание KFM2151

Страница 1: ...OPERATION MANUAL FC Scanner Part No Z1 003 382 IB010911 May 2006 KFM2151...

Страница 2: ...gets lost or soiled a new copy can be provided for a fee In either case please contact Kikusui distributor agent and provide the Kikusui Part No given on the cover This manual has been prepared with...

Страница 3: ...tics suitable for this product The use of a fuse with a different rating or one that short circuits the fuse holder may result in fire electric shock or irreparable damage Power cord The product is pr...

Страница 4: ...ii KFM2151...

Страница 5: ...ut here DANGER Indicates an imminently hazardous situation which if ignored will result in death or serious injury WARNING Indicates a potentially hazardous situation which if ignored could result in...

Страница 6: ...may be pregnant or if you wear a medical device such as pacemaker Purpose of use Never use the product for purposes other than the product s intended use This product is not designed or manufactured...

Страница 7: ...immediately and remove the power plug from the outlet Make sure the product is not used until it is completely repaired Use cables or wires with sufficiently large current capacity for output wires a...

Страница 8: ...operation manuals How to read this manual This manual is designed to be read from beginning to end We recommend that you read the manual thoroughly from the beginning before using the KFM2151 for the...

Страница 9: ...g to installation Chapter 3 Operation This chapter mainly describes various setup procedures Chapter 4 Remote Control This chapter describes the procedure for connecting the interface and the procedur...

Страница 10: ...situation which if ignored could result in death or serious injury Indicates a potentially hazardous situation which if ignored may result in damage to the product and other property Indicates informa...

Страница 11: ...Taken When Moving the Product 2 4 2 4 Connecting the KFM2151 to the FC Impedance Meter 2 5 2 5 Connecting the SENSING terminal and the fuel cell 2 9 2 6 Connecting the Power Cord 2 11 2 7 Precautions...

Страница 12: ...Configuration Function 4 20 4 5 5 Trigger Function 4 22 4 5 6 Measurement Function 4 23 4 5 7 Other Commands 4 25 4 6 Status Registers and Status Report Function 4 26 4 6 1 IEEE488 2 Register Model 4...

Страница 13: ...libration 5 2 5 3 Malfunctions and Causes 5 3 Chapter 6 Specifications 6 1 Specifications 6 2 6 1 1 Scanning Function 6 2 6 1 2 Communication Function 6 3 6 1 3 General Specifications 6 3 6 2 Outline...

Страница 14: ...xii KFM2151 Contents...

Страница 15: ...Setting the Channels 3 4 Scanning Impedance Scanning 3 14 Voltage scanning Setting Setting the Channels 3 4 Scanning Voltage scanning 3 15 Situation Heading Page Want to change the SENSING terminal Lo...

Страница 16: ...H5 CH21 CH6 CH22 CH7 CH23 CH8 CH24 CH9 CH25 CH10 CH26 CH11 CH27 CH12 CH28 CH13 CH29 CH14 CH30 CH15 CH31 CH16 CH32 SCAN FC SCANNER MON SHIFT ALL SCAN ALL CLR ALM CLR KFM2151 18 19 IMP IMP VOLT VOLT V V...

Страница 17: ...and keys unless specified otherwise 10 SCAN Scanning start stop key The LED to the left of the key illuminates while scanning 3 14 ALL SCAN Scanning start stop key for all channels when the channels a...

Страница 18: ...al 3 TERM High potential terminal of the SENSING terminal 4 IN OUT Scanning I O signal terminal for impedance measurement 2 5 5 SCANNER IN OUT Channel expansion terminal 2 7 6 POWER POWER switch Press...

Страница 19: ...General Description This chapter gives a general description and introduces the features of the KFM2151...

Страница 20: ...ing an inquiry about the product please provide us with the following information Model written on the front cover of this manual Firmware version Serial number indicated at the lower section on the r...

Страница 21: ...anded to 160 by using five KFM2151s This feature is best suited to the monitoring of each cell of the fuel cell Best for impedance measurement By combining with the KFM2150 FC Impedance Meter an imped...

Страница 22: ...trol interface Equipped with RS232C as standard 1 4 Rack mounting option The following rack mounting options are available For details contact your Kikusui agent or distributor Table 1 1 Rack mounting...

Страница 23: ...Installation and Preparation This chapter describes the procedures from unpacking to installation...

Страница 24: ...Kikusui agent or distributor We recommend that all packing materials be saved in case the product needs to be transported at a later date Accessories Fig 2 1 Accessories Power cord 1 pc Metal fitting...

Страница 25: ...is occurs do not use the product until the condensation dries up completely Be sure to use it indoors This product is designed for safe indoor use Do not place the product in a corrosive atmosphere Do...

Страница 26: ...ng the product while the power is turned on can cause electric shock or damage to it Remove all wiring Moving the product with the cables connected may cause wires to break or injuries due to the prod...

Страница 27: ...M2150 1 Check that the POWER switch is turned off on the KFM2151 and KFM2150 2 Using a screwdriver insert the wire into the screwless terminal connector bipolar provided as shown in Fig 2 2 3 After yo...

Страница 28: ...le the KFM2150 scanner function Select Configuration Option Scanner from the KFM2150 menu and select Enable Turn the KFM2150 POWER switch off and then turn it back on The scanner display appears on th...

Страница 29: ...is not included in the package If you are connecting multiple KFM2151s contact your Kikusui agent Fig 2 5 Channel expansion cable option 1 Check that the POWER switch is turned off on the KFM2151 and...

Страница 30: ...to where the feet were attached using the screws that you just removed four locations Fig 2 7 3 Use the screws for the metal fittings provided to join the KFM2151 and KFM2150 Insert the metal fittings...

Страница 31: ...ires that you are using Pay close attention for fuel cells that operate at high temperatures Even for fuel cells that run at relatively low temperatures such as a PEFC the collecting electrode where t...

Страница 32: ...and negative wires This completes the wiring of one channel Insert and twist the wires for as many channels as necessary 3 Insert the screwless terminal connector 8 poles to the SENSING terminal of th...

Страница 33: ...ed from the outlet at any time Be sure to allow enough space around the power outlet Do not use the supplied power cord on other instruments Fig 2 10 Supplied power cord Fig 2 11 200 V system power co...

Страница 34: ...be sure to ground earth the unit Be sure to connect the protective ground terminal to an appropriate earth ground If you do not ground the KFM2151 malfunction may occur due to external noise or the n...

Страница 35: ...Operation This chapter mainly describes various setup procedures...

Страница 36: ...revious time Checking the firmware version When the power is turned on all LEDs illuminate for approximately 1 second The VOLT TERM display section shows the firmware version for approximately 2 secon...

Страница 37: ...r voltage scanning VOLT Page 3 5 The IMP LED and VOLT LED illuminate alternately each time you press the IMP VOLT key and the monitor LED of the channels on which the respective scanning is turned on...

Страница 38: ...select the desired channel and set the scanned source ON OFF Page 3 8 When setting a voltage channel select the desired channel and set the scanned source ON OFF voltage protection and range Channel...

Страница 39: ...ning Set the overvoltage protection OVP and undervoltage protection UVP Value 2 00 V to 200 00 V Resolution When using the key 10 mV When using SHIFT 1 V A buzzer sounds if the selectable range is exc...

Страница 40: ...source Overvoltage protection OVP LED illuminates Channel number IMP IMP VOLT VOLT CH CH CHANNEL V V OVP OVP UVP UVP RANGE RANGE TERM TERM VOLT TERM V V OVP OVP UVP UVP RANGE RANGE TERM TERM VOLT TERM...

Страница 41: ...LED and VOLT LED illuminate alternately each time you press the IMP VOLT key 3 Press the SET key The CHANNEL display blinks 4 Press the and keys or SHIFT and keys to select the channel 5 Press the SET...

Страница 42: ...F 7 Press the SET key If you set the scanned source to ON in step step 6 the OVP LED illuminates and the VOLT TERM display blinks If you select OFF the CHANNEL display blinks If you set the scanned so...

Страница 43: ...shown in Fig 3 5 channel 1 scans cell 1 Fig 3 5 Logical channel configuration factory default condition Here we change the configuration of channel 1 The SENSING terminals are assigned to the voltage...

Страница 44: ...blink The TERM LED illuminates in green The left two digits of the VOLT TERM display correspond to TERM and the right two digits correspond to TERM TERM and TERM blinks alternately each time you press...

Страница 45: ...are not scanned the CHANNEL display shows x x is the unit number Fig 3 9 Impedance meter scanning Voltage scanning The VOLT TERM display shows the voltage of the selected channel If the range is exce...

Страница 46: ...or key to select the parameter number 4 Press the SET key The VOLT TERM display blinks and the conditions are shown 5 Press the or key to select the condition 6 Press the SET key to confirm The CHANNE...

Страница 47: ...Channel verification works correctly only when the master unit is operating Table 3 5 Channel numbers of the master unit and slave units Setting the master unit or slave unit unit number Set one KFM21...

Страница 48: ...complete the scanning operation returns to the smallest channel number This operation is repeated until the scanning operation is aborted If the measuring frequency on the KFM2150 is low the scanning...

Страница 49: ...ation is aborted 1 Check that the KFM2151 is in monitor mode If the CHANNEL display or VOLT TERM display is blinking press the MON key 2 Press the IMP VOLT key to select impedance The IMP LED illumina...

Страница 50: ...lluminate in red The LEDs illuminate even when the corresponding channel is not scanning the impedance The LED remains illuminated until the alarm is cleared If you do not eliminate the cause of the a...

Страница 51: ...the IMP VOLT key to select voltage The VOLT LED illuminates The IMP LED and VOLT LED illuminate alternately each time you press the IMP VOLT key 3 Check the channel number on which the alarm occurred...

Страница 52: ...arameters in Table 3 7 are initialized to factory default settings 3 12 Switching from Remote to Local Mode Pressing the LOCAL key when the KFM2151 is being controlled remotely causes the KFM2151 to s...

Страница 53: ...401 to 432 Impedance scanning Voltage scanning Channel No Enable Disable TERM TERM Channel No Enable Disable OVP V UVP V Range V TERM TERM 01 01 02 02 03 03 04 04 05 05 06 06 07 07 08 08 09 09 10 10...

Страница 54: ...3 20 KFM2151 Operation...

Страница 55: ...Remote Control This chapter describes the procedure for connecting the interface and the procedure for transmitting commands to the KFM2151 using SCPI commands...

Страница 56: ...ats Protocols and Common Commands For Use With IEEE Std 488 1 1987 Standard Commands for Programmable Instruments SCPI version 1999 0 4 3 Interface Setup The remote control interface is RS232C RS232C...

Страница 57: ...in the CONFIG settings Table 4 1 RS232C protocol 4 40UNC Inch screw 4 40UNC Inch screw 1 CD carrier detect 2 RXD receive data 3 TXD transmit data 4 DTR data terminal ready 5 GND signal ground 6 DSR da...

Страница 58: ...een completed The acknowledge message is an ASCII code string consisting of only the header The following two types are available OK Normal completion ERROR Syntax error or other errors Page 3 12 To u...

Страница 59: ...s are ASCII based commands designed for test and measurement devices The command hierarchy is structured around the common root or node which is the construction block of the SCPI sub system A command...

Страница 60: ...command VOLTage PROTection UPPer This compound command is the same as entering the following commands VOLTage PROTection UPPer 200 VOLTage PROTection LOWer 100 An error occurs if a node that is not d...

Страница 61: ...nsmitting the second line When two query lines are sent at once an incomplete response may be received for the first query followed by a complete response for the second query String termination All c...

Страница 62: ...as a part of the string enter two quotation marks consecutively with no characters in between Boolean data Boolean data expresses a 1 or 0 condition or an ON or OFF condition Responses are returned as...

Страница 63: ...numeric parameters MINimum MAXimum and DEFault can be used as substitutes for limit values when the parameter is numeric In the example below the voltage protection UVP is set to the minimum value VOL...

Страница 64: ...lt CONF 1 MEAS 1 When CONF VOLT or CONF VOLT ALL is sent CHAN VOLT TERM 2 2 Chan 1 term 01 voltage scanning on No change Sets the channels on which to perform voltage scanning CHAN VOLT NSEL 1 No chan...

Страница 65: ...o 255 An SCPI error 222 Data out of range occurs if outside the range Example When ESE 16 is transmitted bit 4 of the event status enable register is set Each time the execution error bit bit 4 of the...

Страница 66: ...ncatenated include IDN as the last message unit Otherwise An SCPI error 440 Query UNTERMINATED after indefinite response occurs OPC The KFM2151 does not support asynchronous I O operation When the OPC...

Страница 67: ...t enable register Each time the summary bit bit 3 of the QUEStionable status register in the status byte is set a service request message is generated Response Returns the value of the service request...

Страница 68: ...o the KFM2151 an ASCII character 0 is always returned in the output queue in response to this query Command TST Response Returns 0 in response to TST WAI Prevents the KFM2151 from executing subsequent...

Страница 69: ...2 Unit number 4 401 to 432 CHAN VOLT TERM Specify the logical channel for voltage scanning and set the terminal and the scanned source on off Command CHANnel VOLTage DC TERMinals chan term _NR1 term _...

Страница 70: ...ical channel for impedance scanning and set the terminal and the scanned source on off Auto scanning cannot be executed in remote mode Command CHANnel ROUTe TERMinals chan term _NR1 term _NR1 ON OFF 1...

Страница 71: ...is returned The settings after sending RST are indicated in Table 4 3 Response Returns the logical channel of the specified impedance scanning in the NR1 form in response to CHAN ROUT NSEL VOLT RANG S...

Страница 72: ...NF VOLT ALL is sent Response Returns the auto range setting in the NR1 form in response to VOLT RANG AUTO VOLT PROT Sets the voltage protection OVP of the channel specified by CHAN VOLT NSEL Command S...

Страница 73: ...MAX DEF SENSe VOLTage DC PROTection LOWer MIN MAX Parameter Value 2 to 200 The default value is 2 Unit V Table 4 3 shows the settings when RST MEAS CONF VOLT or CONF VOLT ALL is sent Response Returns...

Страница 74: ...SENSe VOLTage DC PROTection UPPer DEFault SENSe VOLTage DC PROTection LOWer DEFault CONF VOLT ALL Sets the voltage range of all logical channels that are set as scanned sources for voltage scanning an...

Страница 75: ...ction OVP and UVP of the channel specified by CHAN VOLT NSEL Command CONFigure SCALar Response Returns the following in the String form in response to CONFigure SCALar Example When the voltage range s...

Страница 76: ...ion of the KFM2151 after the power is turned on or immediately after switching from local to remote mode is the same as the condition after ABOR is sent If ABOR is sent while measurement is in progres...

Страница 77: ...scanning operation after the measured data has been discarded an SCPI error 230 Data corrupt or stale occurs This is because there is no valid measured data and the acquisition of measured data canno...

Страница 78: ...urns the measured data in the NR3 NR3 form in response to READ ARR MEAS VOLT MEAS ARR VOLT Resets the settings to default the range can be set performs voltage scanning and queries the voltage measure...

Страница 79: ...turns 0 No error Example When there is a command error Returns 100 Command error SYST VERS Queries the SCPI version to which the KFM2151 conforms Command SYSTem VERSion Response Below is an example of...

Страница 80: ...gister does not affect the contents EVENt register The EVENt register bits are automatically set according to the changes in the CONDition register The rule varies depending on the positive and negati...

Страница 81: ...KFM2151 4 27 Remote Control Fig 4 3 Status register SCPI Standard 1999 0 Volume1 fig 9 1...

Страница 82: ...he corresponding bit in the QUEStionable status enable register is true 4 16 Message Available MAV This bit is set to true when a request is received from the digital programming interface and the KFM...

Страница 83: ...o output or the error queue is in wait status Indicates that there is no data in the error queue 3 8 Device Dependent Error DDE Set when there is a device specific error 4 16 Execution Error EXE Set w...

Страница 84: ...ter A query clears the contents of the register Command STATus OPERation EVENt Response Returns the event of the OPERation status register in the NR1 form in response to STAT OPER Bit Bit Weight Bit N...

Страница 85: ...ter of the OPERation status register Command STATus OPERation ENABle NR1 STATus OPERation ENABle Parameter Value 0 to 32767 Response Returns the enable register of the OPERation status register in the...

Страница 86: ...transition of the OPERation status register Command STATus OPERation NTRansition NR1 STATus OPERation NTRansition Parameter Value 0 to 32767 Response Returns the negative transition of the OPERation s...

Страница 87: ...status register Command STATus QUEStionable EVENt Response Returns the event of the QUESTionable status register in the NR1 form in response to STAT QUES Bit Bit Weight Bit Name Description 0 1 VOLTa...

Страница 88: ...e CONDition LIST UVP Response Returns the current condition in the String form in response to STAT QUES COND LIST OVP Returns the current condition in the String form in response to STAT QUES COND LIS...

Страница 89: ...Returns the positive transition of the QUEStionable status register in the NR1 form in response to STAT QUES PTR STAT QUES NTR Sets the negative transition of the QUEStionable status register Command...

Страница 90: ...sition filter registers so that only positive transitions are detected and sets the ENABle register to all zeroes The settings of the service request enable register parallel poll enable register outp...

Страница 91: ...the header 110 Command header error An error was detected in the header 120 Numeric data error Generated when parsing a data element which appears to be numeric including the nondecimal numeric types...

Страница 92: ...rred because a query was received before the software trigger 220 Parameter error A program data element related error occurred 221 Settings conflict Received a command that cannot be executed in the...

Страница 93: ...synchronization protocol having been enabled by an OPC command completes all selected pending operations This event also sets the operation complete bit bit 0 of the standard event status register Ta...

Страница 94: ...Figure subsystem SCPI Command Setting Response Affected Command R W RST MEAS CONF CHANnel VOLTage DC TERMinals NR1 NR1 NR1 boole an NR1 NR1 NR1 boolean Yes R W 3 NSELect NR1 NR1 R W 3 ROUTe TERMinals...

Страница 95: ...lt R 1 VOLTage DC volt volt volt R 1 ABORt W 1 INITiate IMMediate W 1 SCPI Command Setting Response Affected Command R W RST MEAS CONF SYSTem VERSion scpi_version R 1 ERRor NEXT code description R 1 F...

Страница 96: ...register when all pending selected device operations have been finished R W RST Performs a device reset Configures the device to a known condition independent from the usage history of the device W SR...

Страница 97: ...nse example 1 72000E00 Example 2 MEAS ARR VOLT Start voltage scanning on all activated channels and query the measured data of all activated channels Response example 1 72000E00 1 69000E00 2 92000E00...

Страница 98: ...specify detailed conditions between the setup and measurement start procedures For the default settings set by the CONF VOLT command see Table 4 20 You can set the settings to default using the CONF...

Страница 99: ...h flexibility INITiate and FETCh Because the measurement procedure using the INIT command and FETC query separates the measurement start and data acquisition procedures it enables the most detailed co...

Страница 100: ...4 46 KFM2151 Remote Control...

Страница 101: ...Maintenance This chapter covers maintenance of the KFM2151 including cleaning inspecting calibrating and troubleshooting...

Страница 102: ...s If the panel needs cleaning gently wipe using a soft cloth with water diluted neutral detergent Do not use volatile chemicals such as benzene or thinner as they may discolor the surface erase printe...

Страница 103: ...i agent or distributor Does not power up Keys do not work correctly Symptom Check Items Remedy Page The KFM2151 does not operate when the POWER switch is turned on Is the power cord disconnected from...

Страница 104: ...3 4 3 5 The OVP LED is illuminated in red Is the OVP for the channel on which the monitor LED is illuminated in red set appropriately Is the fuel cell voltage high The overvoltage protection OVP is ac...

Страница 105: ...Specifications This chapter contains the electrical and mechanical specifications of the KFM2151...

Страница 106: ...set for each channel Resolution 0 01 V Voltmeter Maximum display 19999 Accuracy 0 1 of rdng 0 1 of rng Impedance measurement switching section Number of channels 32 A SENSING terminal can be assigned...

Страница 107: ...ty range 0 C to 40 C 20 to 85 no condensation Spec guaranteed temperature and relative humidity range 20 C to 30 C 20 to 85 no condensation Nominal input power rating 100 VAC to 240 VAC 50 Hz to 60 Hz...

Страница 108: ...6 4 KFM2151 Specifications 6 2 Outline Drawing Unit mm Fig 6 1 KFM2151 outline drawing 430 MAX435 270 MAX5 MAX285 44 MAX60...

Страница 109: ...ance measurement system 1 3 inspection 5 2 interface setup 4 2 K keys problems with 5 3 L logical channel configuration 3 9 M malfunctions and causes 5 3 master unit and slave unit setting of 3 13 mes...

Страница 110: ...I 2 KFM2151 Index String 4 8 T terminator 4 7 U unit number setting of 3 13 V voltage protection 3 5...

Страница 111: ......

Страница 112: ...FC SCANNER KFM2151 OPERATION MANUAL...

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