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1. www batteryspace com AA Portable Power Corp Table 12 CC mode soft start Operation Register Value Description Preset IFIX Double Optional Multi Registers Preset TMCCS Double Optional Multi Registers Preset CMD 20 mandatory Multi Registers Table 13 CV mode soft start Operation Register Value Description Preset UFIX Double Optional Multi Registers Preset TMCVS Double Optional Multi Registers Preset CMD 39 mandatory Multi Registers Table 14 CC loading and unloading mode Operation Register Value Description Preset IFIX Double Optional Multi Registers Preset UCCONSET Double Optional Multi Registers Preset UCCOFFSET Double Optional Multi Registers Preset CMD 30 mandatory Multi Registers Table 15 CV loading and unloading mode Operation Register Value Description Preset UFIX Double Optional Multi Registers Preset UCVONSET Double Optional Multi Registers Preset UCVOFFSET Double Optional Multi Registers Preset CMD 31 mandatory Multi Registers Table 16 CW loading and unloading mode Operation Register Value Description Preset PFIX Double Optional Multi Registers Preset UCPONSET Double Optional Multi Registers 40 A AA Portable Power Corp www batteryspace com AA Portable Power Corp Preset UCPOFFSET Double Optional Multi Registers Preset CM
2. 25 www batteryspace com AA Portable Power Corp A AA Portable Power Corp Meanwhile the Load will display the following trigger output electrical feature Display Description OUTPUT LEVEL When there is a trigger output the voltage level will change from low to high till a key pressed or a trigger input signal arrive the voltage level will sink to low status OUTPUT PLUSE When there is trigger output the voltage level change from low to high status 5 seconds later it will sink to low automatically 4 2 8 3 Executing Automatic Test Function Press the key Shift 0 to enter into the menu configuration and then press the A and V keys to get the item MENU AUTO TEST followed by pressing the Enter key to confirm Then press the A and V keys to get the item LOAD AUTO TEST followed by pressing the Enter key to confirm Then press the A and V keys to select the sequential code defined as the automatic test function you want to execute followed by pressing the Enter key to confirm Then the upper right corner of the VFD display shows AUT n meaning the n automatic test list will be initiated The bottom right of the VFD If users have prepared all things well press the key On Off to initiate the automatic test The automatic test can also be initiated by lowering the voltage level of TRIG IN port and lasting more than 5mS When in testing the right lower corner of the VFD display will show WAIT or STAY meani
3. 33 www batteryspace com AA Portable Power Corp A AA Portable Power Corp Force Single Coil Example Abnormal Response Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x85 Abnormal Code 1 01 04 CRC Error Check 2 A value of 0xFF00 forces the coil to be ON and 0x0000 forces the coil to be turned OFF All other values are invalid and will not affect the coil For example The following example sets the load is in remote control at slave device address 0x01 From table 4 8 7 1 we know that the PC1 remote address is 0x0510 Query 0x01 0x05 0x05 0x00 OxFF 0x00 0x8C OxF6 The Correponding Response 0x01 0x05 0x05 0x00 OxFF 0x00 0x8C OxF6 3 Read Holding Registers 0x03 Read Holding Registers Example Query Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x03 Starting Address 2 0 OxFFFF No of Points 2 n 1 32 CRC Error Check 2 Read Holding Registers Example Nomal Response Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x03 Byte Count 1 2 n Data 2 n CRC Error Check 2 Read Holding Registers Example Abnormal Response Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x83 Abnormal Code 1 01 04 CRC Error Check 2 For example The following example reads the present volta
4. U OxOBOO 2 R Voltage Register double type www batteryspace com AA Portable Power Corp 0x0B02 2 R Current Register double type SETMODE 0x0B04 1 R Operation Mode register u16e type INPUTMODE OKUBO 11 Input Status Register u16 type MODEL 0x0B06 1 R Model Register u16 type EDITION OxOBO7 1 R software version number register u16 type 4 8 8 The Definition Of The Command Register CMD Definition CMD Value Description CC 1 CV 2 CW 3 CR 4 CC Soft Start 20 Dynamic Mode 25 Short Circuit Mode 26 List Mode 27 CC Loading And Unloading Mode 30 CV Loading And Unloading Mode 31 CW Loading And Unloading Mode 32 CR Loading And Unloading Mode 33 CC Mode Switch To CV Mode 34 CR Mode Switch To CV Mode 36 Battery Test Mode 38 CV Soft Start 39 Changin System Parameters 41 Input ON 42 Input OFF 43 4 8 9 Common Operation Function Description Table 1 Remote Control Operation Operation Register Value Description Force Single Coil PC1 1 mandatory Table 2 cancel remote control operation Operation Register Value Description Force Single Coil PC1 0 mandatory Table 3 Local Prohibition control operations Operation Register Value Description Force Single Coil PC2 1 mandatory Table 4 Local
5. 08 FS w Watt 100W 3600W 100W 3600W 100W 60000W 100W 6000W Measurement WEA Resolution 1mW 10mW 1mW 10mW 1mW OmW ImW 10mW SABEN BME i BEN Accuracy 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 Dynamic Measurement AMAT Battery Measruement FA MTOR E Transition List 0 25kHZ 5A uS TI amp T2 60uS 999S Accuracy 15 offset 10 FS Battery Input 0 5 120V Max Measurement Capacity 999 H Resolution 0 1mA Time Range 1S 16HS CC soft startup Time ERASE 1 mS 2 mS 5mS 10mS 20 mS 50 mS 100 mS 200 mS Accuracy 15 offset 10 FS Current CC 26 4A 264A 264A 132A Short Circuit Voltage CV ov ov ov ov meme rr esistance 8mQ 45mQ 7mQ 35mQ R Operating 0 40 C 0 40 C 0 40 C 0 40 C Temperature Nonoperating 10 C 70 10 C 70 C 10 C 70 10 C 70 Dimension W H D mm 575 465 355 Weight Kg 70 www batteryspace com AA Portable Power Corp A AA Portable Power Corp Power 3600W on Current 0 480A Voltage 0 150V CC Mode Resolution 10mA Accuracy 0 1 0 05 FS 0 15 0 1 FS Range 0 1 19 999V 0 1 150V CV Mode Resolution 10mV Accuracy 0 03 0 02 FS 0 03 0 02 FS CR Mode Voltage and 0 030 10K 0 030 5K CW Mode Voltage and measument Accuracy 0 1 0 1 FS 0 2 0 15 FS Voltage 0 150V V Measurement Resolution 10mV Accuracy 0 015 0 03 FS 0 015 0 03 FS Current 0 480A 0 1 0 15 FS
6. 2 W R constant current shift constant voltage register double type UCRCV OxOAIF 2 W R Constant resistance shift constant voltage register double type IA Ox0A21 2 W R dynamic mode A phase current register double type IB Ox0A23 2 W R dynamic mode B phase current register double type TMAWD Ox0A25 2 W R dynamic mode A pulse width registers double type TMBWD Ox0A27 2 W R dynamic mode B pulse width registers double type TMTRANRIS Ox0A29 2 W R Dynamic mode rising time register r double type TMTRANFAL Ox0A2B 2 W R Dynamic model falling time register double type MODETRAN Ox0A2D 1 W R Dynamic mode register u16 type UBATTEND OxOA2E 2 W R Battery Test termination voltage register double type BATT Ox0A30 2 W R Battery capacity register double type SERLIST Ox0A32 1 W R LIST serial number register u16 type sere Ostnee er Automatic Test serial number register u16 type MAN DON ar Current maximum register double type UMAX OOS IR WR Voltage maximum register double type PMAX 0x0A38 2 W R Power maximum register double type ILCAL OxOA3A 2 W R Calibration current low end target value double type HR OASE 2 VE Current high end calibration target value double type DEDAL OKONIE JE di Voltage low end calibration target value double type UHGAL OROAR E WIR Voltage high end calibration target value double type TAGSCAL Ox0A42 1 W R Calibration state tag u16 type
7. Ox0A 0x01 0x00 0x02 0x04 0x40 0x13 0x33 0x33 OxFC 0x23 The Corresponding Normal Response 0x01 0x10 Ox0A 0x01 0x00 0x02 0x13 0xDO 4 8 7 Coil With The Register Address Allocation Table 1 Coil bit definition Name Address Bit Property Description PC1 0x0500 1 W R When remote control status bit is 1 front key panel unable PC2 0x0501 1 W R When local prohibition bit is 1 not allow to use key Shift 7 to snatch away the front panel control TRIG 0x0502 1 W R Trigger tagged triggered once by software REMOTE 0x0503 1 W R 1 remote input voltage ISTATE 0x0510 1 R Input status 1 input ON 0 intput OFF 35 www batteryspace com AA Portable Power Corp A AA Portable Power Corp TRACK 0x0511 1 R Tracking status 1 voltage tracking O current tracking MEMORY 0x0512 1 R 1 input state memory VOICEEN 0x0513 1 R 1 key sound ON OFF CONNECT 0x0514 1 R 1 multi 0 single ATEST 0x0515 1 R 1 Automatic test mode ATESTUN 0x0516 1 R 1 Automatic test pattern waiting to trigger ATESTPASS Ox0517 1 R 1 success automatic test success 0 automatic test failed IOVER 0x0520 1 R 1 over current tag UOVER 0x0521 1 R 1 over voltage tag POVER 0x0522 1 R 1 over Power tag HEAT 0x0523 1 R 1 over heat tag REVERSE 0x0524 1 R 1 reverse tag UNREG 0x0525 1 R 1 register parameter failed tag ERREP 0x0526 1 R 1 EPPROM err
8. When the VFD display shows MINIMUM xxxx xxxxxx indicating the lower limit of valid comparison press numeric keys to input the value followed by pressing the key Enter to confirm When the VFD display shows MAXIMUM xxxx xxxxxx indicating the upper limit of valid comparison press numeric keys to input the value followed by pressing the key Enter to confirm If all the steps set have been edited the VFD display will show EDIT AUTO TEST meaning exit back to the automatic testing function If all the steps set have not been edited the VFD display will show STEP n xxxxx MODE indicating that data of the N step is being edited 4 2 8 2 Setting up Automatic Test Trigger Output Mode Press the key Shift 0 to enter into the menu configuration and then press the A and V keys to get the item MENU AUTO TEST followed by pressing the Enter key to confirm Then press the A and V keys to get the item SETUP AUTO TEST followed by pressing the Enter key to confirm The load will enter into the automatic test trigger output mode There are the following 4 types of trigger output modes Please press the A and V keys to select one you wanted followed by pressing the key Enter to confirm Prompting Messenges Explanation TRIGGER WHEN PASS Trigger once when pass the test TRIGGER WHEN FAIL Trigger once when failing the test TRIGGER WHEN TEST END Trigger once when finishing the test TRIGGER DISABLE Trigger disabled
9. com AA Portable Power Corp A AA Portable Power Corp To make sure high reliability for the communication we need to set the frame pitch greater than 3 5 times of the transient time of single bit byte Eg When the baud rate is 9600 then the frame pitch time must be greater than 11 3 5 9600 0 004s M97 series programmable electronic loads provided with double way asynchronous communication fixed 1 bit as the start bit 8 data bit and 1 stop bit Support Non parity check Odd Parity check and even parity check Baudrate could be selected as 2400 9600 14400 28800 57600 115200 1 Setup additional address and communication parameter The additional address is a single byte with 16 hexadecimal system data M97 series electronic loads will only response the request data frame which has the same additional address 2 Setup the additional address Press Shift 0 in turn Enter into the Main Menu the Load will display as MENU CONFIG Press the key Enter to confirm then the load get into CONFIG Menu press A and V key button to let the load display CONFIG ADDRESS SET then press Enter to confirm the load will display ADDRESS ADDR xxx you can change the address number by press the numeric keys and press the key Enter again to confirm Note The valid additional address number is integers in the range of 1 200 3 Select the check mode Press Shift 0 in turn enter into the main Menu the load will display MENU CONFIG press the key Enter to
10. confirm the load will get into CONFIG menu press A and V key bution to let the load display CONFIG COMM PARITY press Enter to confirm then the load will display COMM PAR xxxxx you can select the parity check mode by pressing A and V key button and then press Enter to confirm 4 8 3 Communication interface DB9 and its pin s define 1 5V 2 TXD 3 RXD 5 GND www batteryspace com AA Portable Power Corp A 9 NC 4 8 2 Setup Baudrate Press Shift 0 in turn the load will display MENU CONFIG Press Enter to confirm the load will enter into CONFIG menu press A and V key button to let the load display CONFIG BAUDRATE SET press Enter to confirm the load will display BUADRATE xxxxx you can choose the appropriate baudrate as you need and press Enter to confirm Totally 6 different baudrate provided for selection 2400 9600 14400 28800 57600 115200 4 8 3 Data In some data frame the date length is fixed but there are some data frame length is not fixed According to Modbus protocol in the data field all the hex data and floating point number are formed as the High Byte in the former and Low byte in the after Addition the output value of force single coil must be 0x0000 or OxFFOO 0x0000 means OFF while OxFFOO means ON All other values are invalid and will not affect the coil 4 8 4 Function Code Function codes are single byte hex number there are 4 function modes as follows Function Code D
11. 0 15 0 2 FS W Measurement Voltage Watt 1oow COC and current input value Resolution 10mW gt 10 full measument 0 1 0 2 FS Battery Measurement Battery Input 0 5 120V Max Measurement Capacity 999 H Resolution 0 1mA Time Range 1S 16HS Dynamic Measurement Transition List 0 25kHZ 5A US T1 amp T2 60uS 999S5 Accuracy 15 offset 10 FS CC soft startup Time 1 mS 2 mS 5mS 10mS 20 mS 50 mS 100 mS 200mS Accuracy 15 offset 10 FS ameo 4 Short Circuit Voltage CV OV Resistance CR 3 8mQ 0 40 C Temperature r 10 70 WHE 57548355 70 www batteryspace com 2 2 Electronic Load Dimension AA Portable Power Corp TT mm TR om vm An AA Portable Power Corp www batteryspace com AA Portable Power Corp A AA Portable Power Corp Chapter 3 Quick Reference 3 1 Power on self test Verify that you have received the following items with your power supplier If anything is missing contact your nearest Sales Office One power cord for your location The user s manual One CD only when you have bought communication accessories One communication cable only when you have bought communication accessories At first please make sure the electronic load has been correctly connected and powered on Please refer to the following for the detailed operation steps Procedure Display Explanation 1 Powe
12. 10mA 1mA OmA ImA 10mA Acc 0 05 0 05 FS 0 1 0 05 FS 0 05 0 05 FS 0 1 0 05 FS 0 05 0 05 FS 0 1 0 05 FS 0 05 0 05 FS 0 1 0 05 FS Range 0 1 19 999V 0 1 150V 0 1 19 999V 0 1 500V 0 1 19 999V 0 1 150V 0 1 19 999V 0 1 500V ane sg Resolution ImV 10mV ImV 10mV ImV OmV ImV 10mV BARI Accuracy 0 03 0 02 FS 0 03 0 02 FS 0 03 0 02 FS 0 03 0 05 FS 0 03 0 02 FS 0 03 0 02 FS 0 03 0 02 FS 0 03 0 05 FS CR Mode RE Range 0 03Q 10K 0 030 5K 0 030 10K 0 030 5K 0 30 10K 0 30 5K 0 030 10K 0 030 5K BER CEE Resolution oft 16fiz 166 166 Lot ot 166 166 tt l B gt AEE K910 Accuracy 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS CW Mode Range 0 3600W 0 3600W 0 3600W 0 3600W 0 3600W 0 6000W 0 6000W 0 6000W ANER EG Resolution 1mW 10mW 1mW 10mW 1mW 10mW 1mW 10mW mA HE 28910 Accuracy 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS 0 1 0 1 FS Voltage 0 19 999V 0 150V 0 19 999V 0 500V 0 19 999V 0 150V 0 19 999V 0 500V ej ent Resolution 1mV 10mV ImV 10mV 1mV OmV ImV 10mV amp EMNE Accuracy 0 015 0 03 FS 0 015 0 03 FS 0 015 0 03 FS 0 015 0 05 FS 0 015 0 03 FS 0 015 0 03 FS 0 015 0 03 FS 0 015 0 05 FS Current 0 24A 0 240A 0 12A 0 120A 0 24A 0 240A 0 12A 0 120A I Measurement 7 4 Resolution 0 1mA 1mA 0 1mA ImA 0 1mA mA 0 1mA ImA BENENE Accuracy 0 03 0 08 FS 0 1 0 08 FS 0 03 0 08 FS 0 1 0 08 FS 0 03 0 08 FS 0 1 0 08 FS 0 03 0 08 FS 0 1 0
13. 2 Loading and Unloading Constant Current Mode eeeeeseesseceseeeeeeeeneecnaeeneeeseeenees 12 4 1 1 3 Soft Start Constant Current Mod AN oc occ cc cscscesccaseccsesnrecesaueeeedcesseeceseesseeeeeeenecs 13 4 1 1 4 Constant Current Shifting into Constant Voltage Mode ee eeeseeeseceeeeeneeenseeneeeneees 13 4 1 2 Constant Resistant Operation Mode CR rrrnrrnvrenrnnrrnrnnrrnrrnrenvrnnrrnrrnrrnrrnrennrsnesnrnnsrnenn 14 4 1 2 1 Setting up a Standard Constant Resistance Mode ranvvnnnrnnnvrnrnenrnvenenvnnrnenrvrassvensnvnennene 15 4 1 2 2 Loading and Unloading Constant Resistance Mode seseseeseeeesesesressreeresressereresressresees 15 4 1 2 3 Constant Resistance Shifting into Constant Voltage Mode srennvennnornvnvnenvnnrnrnrvrarenenenvnn 16 4 1 3 Constant Voltage Operation Mode CV rsrrnrrnrvrnnnrnrrnnnnrnnrnnrnrrnennrnerrensenerrensenernrrsrnsenenn 16 4 1 3 1 Setting up a Standard Constant Voltage Mode eee eseesseceeeeeseeeeseeesaeecsaeceeetsneeenees 17 4 1 3 2 Loading and Unloading Constant Voltage Mode nnrennvnnonvnnnnvnrnrnnvvnnsnvnnnnenvvrarevrnsnvnnsnenee 17 4 1 3 3 Soft Start Constant Voltage Mode eonnenovernavnvarnvvenaennrnvennnrennvenvennnneennavevnrnnsennanvennaneenrene 18 4 1 4 Constant Power Operation Mode CW 0 0 ee ceceecesseseeeceeeeeseeeeeeeseeseecaeeaeecseeaeeeseeeseeees 19 4 1 4 1 Setting up a Standard Constant Power Mode ssnernnonennvnvnrnnnvnnennnenvensnvnnrnrnenrasensnsnvnnnnener 19 4 1
14. 200 Function Code 1 0x01 Starting Address 2 0 OxFFFF NO of Points 2 1 16 CRC Error Check 2 Read Coil Status Example Normal Response Filed Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x01 Byte Count 1 1 2 Data Coil Status n CRC Error Check 2 Read Coil Status Example Abnormal Response CRC Error Check Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x81 Abnormal Code 1 01 04 2 For example The following example reads the load input state ISTATE of Coil at slave device address 0x01 From table 4 8 7 1 we know that the ISTATE address is 0x0510 Query 0x01 0x01 0x05 0x10 0x00 0x01 OxFC 0xC3 A AA Portable Power Corp The Corresponding Nomal Response 0x01 0x01 0x01 0x48 0x51 OxBE among which 0x48 is the read back data and its lowest bit is 0 this means the input state ISTATE is OFF 2 Force Single Coil 0x05 Force Single Coil Example Query Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x05 Coil Address 2 0 OxFFFF Force Data Coil Status 2 0x0000 or xFFOO CRC Error Check 2 Force Single Coil Example Normal Response Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x01 Coil Address 2 0 OxFFFF Force Data Coil Status 2 0x0000 or OxFFOO CRC Error Check 2
15. 4 2 5 2 Triangular Wave When the lasting time of both current A and current B are set as zero and the dynamic testing operation mode is continuous mode the output wave is triangular wave The output frequency is the inverse of the sum of the rising time and falling time Since the minimum accuracy of all the time is set as 20uS the load can read the triangular wave with the maximum frequency of 25KHz Since the rising edge and falling edge of the triangular wave are all step wave with 20uS output frequency the ideal degree of triangular wave is in inverse proportion to the its output frequency In extreme situations the triangular wave might function as square wave there are 0 100 accuracy difference according to the different rising time and falling time set 4 2 5 3 Trapezoidal Wave When the four time parameters that need to set are all bigger than zero and the dynamic testing operation mode is continuous mode the load output wave is trapezoidal wave It has the same frequency characteristics with the triangular wave 4 2 6 Trigger Control When dynamic testing operation mode is set as pulse mode or trigger mode the trigger control is initiated There are three trigger modes a Keypad triggering mode Press the key Shift Trigger to p trigger the electronic load b TTL triggering mode Send a high pulse with a constant time more than 5m Sec to the trigger In terminals in rear panel to trigger the electronic load C PC control software trig
16. 4 2 Loading and Unloading Constant Power Mode eessccesseeceenceceeeeeceeceeceeeeeceeeeeseneeeees 19 4 2 Dynamic ESTING Operation sesesesesesesesssssssssssssesesesesesesesesesesesesesestsesesesesesesovesoresosesossesssssese 20 4 2 1 Continuous Mode CONTINUOUS J nnnsnnernevvsnerneenensenverensesvenernesesnerneerenseneerensenesrensenee 20 42 PP ee WGP UE SE wisessiessncotnasosenuteuesannacadiaieddoiaentacenamiideeoswaniensaniaivantshontahieiauneavendssaeitaval 21 4 2 3 Trigger Mode TRIGGER sscsccsxcizcasiencgeersditacsacasencnnessshcnserabeain icine lente eatnaeeuiesiceionte 21 4 2 4 Setting up Dynamic testing operation Parameters cc eesceeseeseeecneeeeeeteeeeeeeeeeeees 21 4 2 5 NN 22 PE EE EE cee A TEKEE E EER EE aai 22 2252 Triangular Waye cissisisspee sire EE E E E E E A TE RA 22 4 2 5 3 Trap zoidal Wave sssini es ias es niai K Ea a Ee E EE aa TE EEEa NaS 22 4 2 6 PE L 22 22 ETNE 23 Bod AG last eee 23 4 2 1 2 Exec ting List FineUon Lauuasgseroenstmumneneumnnkniinnkturedme de 23 www batteryspace com AA Portable Power Corp AN AA Portable Power Corp 4 2 8 Automatic Testing Function e sssssssessseseseseseseststseseststststststssstseseseststsrarereeerereeeeesesesrseent 24 42 8 1 A tomatic Test CSE ANON sec coxe deze dulacactencasprsacesaadulacanrslndacecaucaaneenvenedees iiss daisses siasii 24 4 2 8 2 Setting up Automatic Test Trigger Output Mode orononnnnrnnnnnnvnnnrnnnnennnnrnrnvvrasenrns
17. D 32 mandatory Multi Registers Table 17 CR loading and unloading mode Operation Register Value Description Preset RFIX Double Optional Multi Registers Preset UCRONSET Double Optional Multi Registers Preset UCROFFSET Double Optional Multi Registers Preset CMD 33 mandatory Multi Registers Table 18 CC mode switch to CV mode Operation Register Value Description Preset IFIX Double Optional Multi Registers Preset UCCCV Double Optional Multi Registers Preset CMD 34 mandatory Multi Registers Table 19 CR mode switch to CR mode Operation Register Value Description Preset RFIX Double Optional Multi Registers Preset UCRCV Double Optional Multi Registers Preset CMD 35 Must select Multi Registers Table 20 battery test mode Operation Register Value Description Preset IFIX Double Optional Multi Registers Preset UBATTEND Double Optional Multi Registers Preset CMD 38 mandatory Multi Registers Table 21 Dynamic Test Mode Operation Register Value Description A AA Portable Power Corp 41 www batteryspace com AA Portable Power Corp Preset IA Double Optional Multi Registers Preset IB Double Optional Multi Registers Preset TMAWD Double Optional Multi Registers Preset TMBWD Double Optional Multi Registers Preset TMTRANRIS Double Optional Multi Registers Preset TMTRANFAL Double Optional Multi Registers Preset MODETRAN 0 2 Optional Multi Registers Preset CMD 25 mandatory Mul
18. ECT BACK means input terminals selected is at the rear panel and the remote measurement function of the front panel is closed Then press the key Esc to escape the Menu item Note At any time either the input terminals at the front panel or at the back panel is initiated It is impossible to initiate the input terminals both at the front panel and at the back panel together If the voltage of the load is near to zero point and does not change according to the signal please check if the wire mode matches the parameters of the remote measurement function 4 7 Battery Testing Experiment proves the test with load is the best method to ensure the battery whether work well or not Only with the correct load testing the battery can be confirmed if it was being the expectant life curve location The M9711 electronic loads can be used to test any type of the battery nowadays As to any battery used either in sheltered equipment or in the uninterrupted service system it is necessary to use the load testing Because the battery is the lowest reliable component it must be tested by the load periodically to ensure the reliability of the battery Capability Test Constant current mode is applied in M9711 Serial electronic load to test the capability A program is set to control voltage level When the voltage of the battery is too low the electronic load will identify the battery being on the threshold value set or at the margin of insecure state and will
19. N FAIL Trigger once when failing the test WHEN TEST END Trigger output is initiated when test ends DISABLE Disable trigger output OUTPUT Output electrical characteristics selection PULSE Pulse output LEVEL Voltage level output EXIT EXIT www batteryspace com AA Portable Power Corp A AA Portable Power Corp Chapter 4 Panel Operation 4 1 Basic Operation Mode There are four operation modes for electronic load 1 Constant current CC 2 Constant voltage CV 3 Constant resistance CR 4 Constant power CW 4 1 1 Constant Current Operation Mode CC In this mode the electronic load will sink a current in accordance with the programmed value regardless of the input voltage Please refer to the picture 4 1 If maximum current value of the measured power supplier is lessen than the constant current value set the electronic load might fail to adjust itself to the constant current and the voltage of the measured power supplier could be changed to be low a I Current Set Load current gt Load voltage Vv 4 1 Constant Current Mode 4 1 1 1 Setting up a Standard Constant Current Mode Press the key I SET then the VFD display will show STANDARD CURR xxxxxxxxA the current constant current value Press the numeric keys and decimal point key to enter the constant current value required followed by pressing the key Enter to confirm Then the load will enter into the standard constant current If the input st
20. Note if the constant voltage value you want to set is beyond the maximum constant voltage value of the load the current value will stop to be increased even if you still rotate the selective encoder knob clockwise Then the right lower corner of the VFD display shows the constant voltage value you set among which a cursor shows under one number meaning this number requires fine tuning If users want to change the fine tuning accuracy just press the rotary encoder knob in which a key is included Every time when you press the rotary encoder once the cursor will move forward to the previous number 4 1 3 2 Loading and Unloading Constant Voltage Mode As for the loading and unloading mode theory please refer to the 3 1 1 2 illustration When in standard constant voltage mode press the key Shift 1 V_Level to enter into the constant loading and unloading constant voltage mode When the VFD display shows ONSET VOLT xxxxxxxxV indicating the current loading voltage press the numeric keys and decimal point key to enter the loading voltage value required followed by pressing the key Enter to confirm Then the VFD will shows OFFSET VOLT xxxxxxxxV indicating the current unloading voltage Press the numeric keys and decimal point key to enter the www batteryspace com AA Portable Power Corp A AA Portable Power Corp unloading voltage value required followed by pressing the key Enter to confirm In this way the load will enter into the loading and unlo
21. ading constant voltage mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CV_UN or Unreg Showing CV_UN means the load has been successfully set into the expected constant voltage value showing Unreg means the load couldn t adjust itself to the expected constant voltage value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage is normal and if the maximum output current of the measured power supplier is in the range of the maximum current that the load can absorb In loading and unloading constant voltage mode press the key Shift 1 V_Level the load will back into the standard constant voltage mode 4 1 3 3 Soft Start Constant Voltage Mode Soft start constant voltage mode functions as a condensive load simulating electric capacity which is in direct proportion with the rise time of soft start In this mode the measured power supplier can be avoided from current strike damage VOLT SETTING RISING TIME Picture 4 8 Soft Start Constant Voltage Mode When in standard constant voltage mode press the key Shift 2 S_Start to enter into the soft start constant voltage mode When the VFD display shows RISING TM xxxxxxxxvmsS indicating the current rising time press the numeric keys and decimal point
22. al of M97 Series electronic load 1 o full range current in correspond to 0 10V output Oscillograph can be connected by here to observe dynamic waveforms 2 Remote Measuremnt terminals and trigger input output interface 3 Multifunctional communication interface RS232 RS485 USB 3 4 Keypad Directions 1 9 0 9 numeric keys Esc Esc key can be exited from any working condition Switch to CC mode Setting up a constant current Switch to CV mode V Set Setting up a constant voltage Switch to CW mode Setting up a constant power Switch to CR mode Setting up a constant resistance Multi purpose Used together with multifunction key to perform diversity functions and applications for example shift Menu can perform menu function www batteryspace com A AA Portable Power Corp AA Portable Power Corp Turn on off Load Increasing setup values decreasing setup values Confirm key 3 5 Menu Operation Press the key Shift Menu to access to the menu function and theVFD display screen shows the menu items Select the menu items by pressing the A and V keys or by rotating the knob and then press the key Enter to enter in the menu item you wanted Or you can press the key Esc to return to the last menu MENU CONFIG INPUT RECALL Setting the output to the same state at last time when the load is turned off or to the OFF state
23. allows the operator to Operation Register Value Description 38 A AA Portable Power Corp www batteryspace com AA Portable Power Corp Force Single Coil PC2 0 mandatory Table 5 Input ON operation Operation Register Value Description Preset CMD 42 mandatory Multi Registers Table 6 Input OFF operation Operation Register Value Description Preset CMD 43 mandatory Multi Registers Table 7 Short circuit operation Operation Register Value Description Preset CMD 26 mandatory Multi Registers Table 8 CC mode operation Operation Register Value Description Preset IFIX Double Optional Multi Registers Preset CMD 1 mandatory Multi Registers Table 9 CV mode operation Operation Register Value Description Preset UFIX Double Optional Multi Registers Preset CMD 2 mandatory Multi Registers Table 10 CW mode operation Operation Register Value Description Preset PFIX Double Optional Multi Registers Preset CMD 3 mandatory Multi Registers Table 11 CR mode operation Operation Register Value Description Preset RFIX Double Optional Multi Registers Preset CMD 4 mandatory Multi Registers A AA Portable Power Corp 39
24. anel BACK Choose the input terminal at the back panel EXIT LIST LOAD LIST Choose list files 1 8 EDIT LIST Edit list files MINIMUM TIME Edit minimum time 0 02 1310 7mS LIST MODE LIST output mode CONTINUOUS Continuous mode END HOLD Remains to the last output voltage level after the whole steps are executed successfully END RESET Keep load off state after the whole steps are executed successfully STEP LENGTH _ Step length 1 200 STEP n 1 whole step length CURRENT Set current TIME Duration EXIT AUTO TEST LOAD AUTO TEST Choose automatic test files 1 8 EDIT AUTO TEST Edit automatic test files STEP LENGTH Set the whole step length STEP n WORK MODE LOAD OFF MODE Load off mode CC MODE Constant current mode CV MODE Constant voltage mode CP MODE Constant power mode CR MODE Constant resistance mode SHORT MODE Short circuit mode www batteryspace com AA Portable Power Corp A AA Portable Power Corp TEST MODE Qualification testing mode TEST CURRENT Test current TEST VOLTAGE Test voltage TEST POWER Test power TEST RESI Test resistance DELAY TIME Test delay time 0 2 25 5S INPUT xxxx Input the parameters set for example CC mode 1A MINIMUM xxxx Input the minimum lower limit MAXIMUM xxxx Input the maximum upper limit SETUP AUTO TEST TRIGGER Trigger output selection WHEN PASS Trigger once when passing the test WHE
25. ate is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CC or Unreg Showing CC means the load has been successfully set into the expected constant current value showing Unreg means the load couldn t adjust itself to the expected constant current value Please check if the measured power supplier has been correctly connected and turned on make sure if the expected constant current value is in the range of the measured power supplier If you want to fine tune the constant current value you can rotate the selective encoder knob to adjust the value Rotating clockwise is to increase the value while rotating anti clockwise is to decrease the value www batteryspace com AA Portable Power Corp A AA Portable Power Corp Note if the constant current value you want to set is beyond the maximum constant current value of the load the current value will stop to be increased even if you still rotate the selective encoder knob clockwise Then the right lower corner of the VFD display shows the constant current value you set among which a cursor shows under one number meaning this number requires fine tuning If users want to change the fine tuning accuracy just press the rotary encoder knob in which a key is included Every time when you press the rotary encoder once the cursor will move for
26. atic testing function 8 sets of data can be edited at most and 50 steps can be edited in each set of data Each step can be edited as the following six working mode load off mode constant current mode constant voltage mode constant power mode constant resistance mode short circuit mode and can be edited as the following four types current comparison voltage comparison power comparison and resistance comparison Besides the delay time of each step can also be edited The delay time of each step ranges from 0 1 25 5S considering the quickness and accuracy When automatic test is over the electronic load will indicate if it passes the test or failed If it fails the electronic load will sound alarm Meanwhile the electronic load can be triggered by front panel and TRIGGE IN hardware voltage level in the back panel and can output the trigger voltage level from the TRIGER OUT terminals on back panel You can setup it as the voltage level trigger mode or pulse trigger mode and can have 4 selections of Pass trigger failure trigger finish trigger and disabled trigger 4 2 8 1 Automatic Test Operation 1 Press the key Shift 0 to enter into the menu configuration and then press the A and V keys to get the item MENU AUTO TEST followed by pressing the Enter key to confirm Then press the A and V keys to get the item EDIT AUTO TEST followed by pressing the Enter key to confirm Then press the A and V keys to select the sequential code that need to b
27. ave not been edited the VFD display will show S TEP n CURR xxxxxA indicating that data of the N step is being edited Please finish it according to the operation instruction in last step step 4 6 Since list function shares the same storage space with automatic testing function please make sure that the sequential code that you selected in the list function is the same with that in automatic testing function If the sequential code which was defined as automatic testing function before now is defined as list function the automatic testing function of this sequential code will be deleted and cannot be restored 4 2 7 2 Executing List Function Press the key Shift 0 to enter into menu configuration and then press the A and W keys to get the item MENU LIS followed by pressing the key Enter to confirm Then press the A and V keys to www batteryspace com AA Portable Power Corp A AA Portable Power Corp get the item LOAD LIST followed by pressing the Enter key to confirm Then press the A and V keys to select the sequential code defined as list function you want to execute followed by pressing the Enter key to confirm Since the list function shares the same storage space with automatic testing function those sequential code defined as the automatic testing function will be automatically shielded when choosing the sequential codes which are defined as list function 4 2 8 Automatic Testing Function The electronic load is available of autom
28. batteryspace com AA Portable Power Corp A AA Portable Power Corp 4 5 5 Over Heat Protection OH If internal power component s temperature exceeds 80 C over height protection will be initiated automatically Load will turn off the input and Buzzer will sound and VFD display will show OVERHEAT 4 6 Remote Measurement Function When in CV CR and CP mode if load consumes high current the power supplier will produce voltage drop in the connecting wire between measured power supplier and load terminals In order to guarantee the measurement accuracy remote measurement terminals is installed at the rear panel of the electronic load Users can measure the output terminals voltage of measured power supplier by these terminals The remote measurement function can be set by pressing the key Shift 0 Menu When the VFD display shows MENU SYSTEM SET press the key Enter to confirm Then the VFD display shows SYSTEM IMAX xxxxxxxxA Press the Up and Down keys to make adjustment until the VFD display shows SYSTEM TERMINAL SEL indicating to set the parameters of the current remote measurement function then press the key Enter to confirm When the VFD display shows TERMINAL SELECT FRONT or TERMINAL SELECT BACK press the Up and Down keys to select the parameters of remote measurement function Showing TERMINAL SELECT FRONT means input terminals selected is at the front panel and the remote measurement function of the rear panel is closed showing TERMINAL SEL
29. ble Power Corp A AA Portable Power Corp Load input voltage Picture 4 4 Constant Current Shifting into Constant Voltage Mode When in standard constant current mode press the key Shift 4 CC CV to enter into the constant current shifting into constant voltage mode When the VFD display shows CC TO CV VOLT xxxxxxxxV indicating the current constant voltage value press the numeric keys and decimal point key to enter the constant voltage value required followed by pressing the key Enter to confirm In this way the load will enter into the constant current shifting into constant voltage mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CC CV or Unreg Showing CC CV means the load has been successfully set into the expected constant current value showing Unreg means the load could not adjust itself to the expected constant current value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage is normal In loading and unloading constant current mode press the key Shift 4 CC CV the load will back into the standard constant current mode 4 1 2 Constant Resistant Operation Mode CR In this mode the module will sink a current linearly proportional to the input voltage in accordance with the programm
30. crewdriver see the table 3 1 and find the blowout fuse Then replace the bad fuse with a new one Picture 3 1 Fuse Location 3 3 Front Panel Operation Please refer to the picture3 2 for the front panel of M97 electronic load M9712C 0 150V 300W Maynuo DC ELECTRONIC LOAD HECE S E gt A gt BEE CF ol Aaaa Ea Picture 3 2 Front panel POWER The upper half is black VFD display screen and knob The bottom half left side to right side is Numeric keys 0 9 ESC key Function keys Up Down keys Enter key Input terminal and Output terminal A www batteryspace com AA Portable Power Corp AA Portable Power Corp mn ee JSS woos 2000 H we a ED ee oe FT RENE VNR L me ie 8 7 lt 2 oo a i S EEE SEs P ows NE Se Saw as EE PT IEEE EEE HE EEE gt gt VEN eae MEET gt as Ss e Pr ee G Oa o EST GEO SD E SSS Eo SOVER EN eel Gees GER RE SE KEENE ae WS Seas EO SS SER a m a EDER Se OG NONE TT EVE D eee Ss VE E LUE EE GEER SP SE oe 3 SS oa EEE MED Crs EE EE e i 2 5 i EE e nes a ee RS Se oe con eS SEE DO EES AEE EDR e aa SS ELD A V u_u kau Fee REE EST EEE gt gt me RV gt VEE ee e gt Er 03 eo em a ee EER Ss EG Ozama oo mm One o mm anes Bee oo NER Ee a UN een See GENRER BESTE Ss Se aT eee SSS Sa ee ee SSS STO GE n EN ee ee OE ME Pees cS sam ee EE ak y Picture 3 3 The back pan
31. e When in standard constant current mode press the key Shift 2 S_Start to enter into the soft start constant current mode When the VFD display shows Rising TM xxxxxxxxvmS indicating the current rising time press the numeric keys and decimal point key to enter the rising time required followed by pressing the key Enter In this way the load will enter into the soft start constant current mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CC_S or Unreg Showing CC_S means the load has been successfully set into the expected constant current value showing Unreg means the load couldn t adjust itself to the expected constant current value Please check if the measured power supplier has been correctly connected and turned on make sure if the expected constant current value is in the range of the measured power supplier In loading and unloading constant current mode press the key Shift 2 S Start the load will back into the standard constant current mode Note The rise time set is automatically regulated to be the round number times of 20uS 4 1 1 4 Constant Current Shifting into Constant Voltage Mode In constant current shifting into constant voltage mode the measured power supplier can be avoided from current strike damage www batteryspace com AA Porta
32. e com AA Portable Power Corp A AA Portable Power Corp Load input Volt Set Voltage gt Load current I Picture4 7 Constant Voltage Mode 4 1 3 1 Setting up a Standard Constant Voltage Mode Press the key V SET then the VFD display will show STANDARD VOLT xxxxxxxxV indicating the current constant voltage value Then Press the numeric keys and decimal point key to enter the constant voltage value required followed by pressing the key Enter In this way the load will enter into the standard constant voltage mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CV or Unreg Showing CV means the load has been successfully set into the expected constant voltage value showing Unreg means the load couldn t adjust itself to the expected constant voltage value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage of the measured power supplier is normal and if the output current is beyond the maximum current that the load can carry If you want to fine tune the constant voltage value you can rotate the selective encoder knob locating at the right upper corner of the front panel to adjust the value Rotating clockwise is to increase the value while rotating anti clockwise is to decrease the value
33. e set followed by pressing the Enter key to confirm 2 When the VFD display shows STEP LENG XxX indicating the step length that requires to be set Then press the numeric keys to input the step length you want to set followed by pressing the key Enter to confirm Please note that the step length should be the round numbers of 1 50 3 When the VFD display shows STEP 1 xxxxx MODE indicating the working mode selected in the step 1 press the A and V keys to select one mode from he following six working modes followed by pressing the key Enter to confirm Working Prompting Explanation Mode Messenges Load Off LOAD OFF MODE Compare the voltages when in load off mode Mode CC Mode CC MODE Choose one of four types current comparison voltage comparison power comparison and resistance comparison CV Mode CV MODE Choose one of four types current comparison voltage comparison power comparison and resistance comparison CP Mode CP MODE Choose one of four types current comparison voltage comparison power comparison and www batteryspace com AA Portable Power Corp A AA Portable Power Corp resistance comparison CR Mode CR MODE Choose one of four types current comparison voltage comparison power comparison and resistance comparison Short Circuit SHORT MODE Compare the current when in short circuit mode Mode 4 When the VFD display shows STEP 1 TEST xxxx i
34. ed resistance Please refer to the picture 4 5 Note when the voltage of the measured power supplier is too high and the resistance set is too low it will result in the consumed current higher than the maxim output current of the measured power supplier or result in the loads failing to adjust itself automatically to the constant resistance even result in the load shock Load current Slop resistance set Load input voltage v www batteryspace com AA Portable Power Corp A AA Portable Power Corp Picture 4 5 Constant Resistance Mode 4 1 2 1 Setting up a Standard Constant Resistance Mode Press the key R SET then the VFD display will show STANDARD RESI xxxxxxxxQ indicating the current constant resistance Then Press the numeric keys and decimal point key to enter the constant resistance value required followed by pressing the key Enter In this way the load will enter into the standard constant resistance mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CR or Unreg Showing CR means the load has been successfully set into the expected constant resistance value showing Unreg means the load couldnot adjust itself to the expected constant resistance value Please check if the measured power supplier has been correctly connected and turned on make su
35. er set AV a 2 B I Load current Picture 4 9 Constant Power Mode 4 1 4 1 Setting up a Standard Constant Power Mode Press the key P SET then the VFD display will show STANDARD POWER xxxxxxxxW indicating the current constant power Then Press the numeric keys and decimal point key to enter the constant power value required followed by pressing the key Enter In this way the load will enter into the standard constant power mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CW or Unreg Showing CW means the load has been successfully set into the expected constant power value showing Unreg means the load couldn t adjust itself to the expected constant power value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage of the power supplier is normal and the maximum output current of the measured power supplier is undercurrent If you want to fine tune the constant power value you can rotate the selective encoder knob to adjust the value Rotating clockwise is to increase the value while rotating anti clockwise is to decrease the value Then the right lower corner of the VFD display shows the constant power value you set among which a cursor shows under one number meaning this number requires fine
36. escription 0x01 Read Coil Status read the data by the bit 0x05 Force Single Coil write the data by the bit 0x03 Read Holding Registers read the data by the word 0x10 Preset Multiple Registers write the data by the word 4 8 5 Error checking CRC M97 series load use the Cyclic Redundancy Check CRC The CRC field checks the contents of the entire message The CRC fileld is two bytes containing a 16 bit binary value When the CRC ia appended to the message the low order byte is appended first followed by the high order byte The discipline is as follows a Setup one hex CRC register and give the initial value as OxFFFF b Make bitxor for the first byte of the frame date and the lower 8 bit of the CRC register And save the bitxor result into the CRC register c Right move CRC register for 1 byte and check the if the lowest bit is 1 if the lowest bit is 1 and then make the bitxor for the CRC register and the fixed data OxA001 d Repeat c for 8 times e Repeat step b c d for the next byte of frame data till the last byte f The last number in the CRC register is the last parity checking result Put it at the end of the frame data and keep the lower 8 bit in the after and higher 8 bit in former 4 8 6 Complete Command Frame Analysis 1 Read Coil Status 0x01 Read Coil Status Example Query 32 www batteryspace com AA Portable Power Corp Field Name Byte length Example Value Slave Address 1 1
37. esides the maximum current value has close relation with the current resolution If the maximum current value is or is below 3A the load current resolution will be 0 01mA If the maximum current value is beyond 3A then the load current resolution will be only 0 1mA 4 5 3 Over Power Protection OW When input power exceeds the power limit buzzer will sound and VFD display will show OVER POW Users need to press any key to get the load work normally Note if the current input state is in OFF state you need to press the key ON OFF to make the load work normally If the over power problem is not solved the load will shows OVER POW again The load maximum power value can be set by pressing the key Shift 0 Menu When the VFD display shows MENU SYSTEM SET press the key Enter to confirm Then the VFD display shows SYSTEM IMAX xxxxxxxxA Press the Up and Down keys to make adjustment until the VFD display shows SYSTEM PMAX xxxxxxxxW indicating the current maximum power value then enter the maximum power value required by pressing the numeric keys and decimal point key followed by pressing the key Enter to confirm Then press the key Esc to escape the Menu item Note The maximum power value of M9711 electronic load is 300W When it is beyond 300W it will be automatically adjusted to 300W 4 5 4 Input Polarity Reversed When the electronic load is in input polarity reversed state the buzzer will sound and the VFD display will show REVERSE www
38. ge value at slave device address 0x01 From table 4 8 7 1 we know that the register address of the present voltage value is 0x0B00 Query 0x01 0x03 0x0B 0x00 0x00 0x02 OxC6 0x2F The Corresponding Nomal Response 0x01 0x03 0x04 0x41 0x20 0x00 0x2A Ox6E 0x1A among which 0x41 0x20 0x00 Ox2A is the read back voltage value the corresponding floating point number is 10V 34 www batteryspace com 4 Preset Multiple Registers 0x10 Preset Multiple Registes Example Query AA Portable Power Corp Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x10 Starting Address 2 0 OxFFFF No of Registers 2 n 1 32 Byte count 1 2 n Preset Data 2 n CRC Error Check 2 Preset Multiple Registers Example Response Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x10 Starting Address 2 0 OxFFFF No of Registers 2 N CRC Error Check 2 Preset Multiple Registers Example Abnormal Response CRC Error Check Field Name Byte length Example Value Slave Address 1 1 200 Function Code 1 0x90 Abnormal Code 1 01 04 2 For example The following example sets the load s constant current IFIX is 2 3A at slave device address 0x01 A AA Portable Power Corp From table 4 8 7 1 we know that the IFIX register address is 0x0A01 the floating point takes up two word length Query 0x01 0x10
39. gering mode www batteryspace com AA Portable Power Corp A AA Portable Power Corp 4 2 7 List Function The electronic load is available of list operation function 8 sets of data can be edited at most and 200 steps can be edited in each set of data Users can edit the duration of each step the minimum time of each set of data Please note that the minimum time should be the round numbers of 0 02mS and ranges from 0 02mS to 1310 7mS The duration of each step has something to do with the minimum time you set If the minimum time is set as 0 02mS then the duration of each step ranges from 0 02mS to1310 7mS if the minimum time is set as 2mS then the duration of each step ranges from 2mS to 131070mS 4 2 7 1 List Operation 1 Press the key Shift 0 to enter into the menu operation and then press the A and W keys to get the item MENU LIST followed by pressing the Enter key to confirm Then press the A and V keys to get the item EDIT LIST followed by pressing the Enter key to confirm Then press the A and V keys to select the sequential code that need to be set followed by pressing the Enter key to confirm 2 When the VFD display shows MINIMUM TM xxxxxx mS indicating the minimum time that requires to be set Since this value affects the fine tuning and operable length of all kinds of waveforms please carefully select the suitable parameters Then press the key Enter to confirm The electronic load will go into the following three output
40. hows CR TO CV VOLT xxxxxxxxV indicating the current constant voltage value press the numeric keys and decimal point key to enter the constant voltage value required followed by pressing the key Enter to confirm In this way the load will enter into the constant resistance shifting into constant voltage mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CR CV or Unreg Showing CR CV means the load has been successfully set into the expected constant resistance value showing Unreg means the load could not adjust itself to the expected constant resistance value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage is normal In loading and unloading constant resistance mode press the key Shift 5 CR CV the load will back into the standard constant resistance mode 4 1 3 Constant Voltage Operation Mode CV In this mode the electronic load will attempt to sink enough current to control the source voltage to the programmed value Please refer to the picture 4 7 Note When the voltage of the measured power supplier is lessen than the voltage value set or the maximum input current is beyond the maxim current that the load can absorb the load couldn t control the voltage to the value set www batteryspac
41. key to enter the rising time required followed by pressing the key Enter In this way the load will enter into the soft start constant voltage mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CV_S or Unreg Showing CV_S means the load has been successfully set into the expected constant voltage value showing Unreg means the load couldn t adjust itself to the expected constant voltage value Please check if the measured power supplier has been correctly connected and turned on make sure if the maximum output current of the measured power supplier is in the range of the maximum current that the load can absorb www batteryspace com AA Portable Power Corp A AA Portable Power Corp In loading and unloading constant voltage mode press the key Shift 2 S_Start the load will back into the standard constant voltage mode Note The rise time which is set is automatically regulated to be the round number times of 20uS 4 1 4 Constant Power Operation Mode CW In this mode the electronic loads will consume a constant power Please refer to the picture 4 9 If the load input voltage value increase the load input current will decrease Therefore the load power V Nwill remain in the power set Load input voltage v2 edi sasieatveceousenssaan Pow
42. ment until the VFD display shows SYSTEM UMAX xxxxxxxx indicating the current maximum voltage value then enter the maximum voltage value required by pressing the numeric keys and decimal point key followed by pressing the key Enter to confirm Then press the key Esc to escape the Menu item www batteryspace com AA Portable Power Corp A AA Portable Power Corp Note The maximum voltage value of M9711 electronic load is 150V When it is beyond 150V it will be automatically adjusted to 150V Besides the maximum voltage value has close relation with the voltage resolution If the maximum voltage value is below 20V the load voltage resolution will be 0 1mV if the maximum voltage value is beyond 20V then the load voltage resolution will be only 1mV 4 5 2 Over Current Protection OC When input current exceeds the current limit Buzzer will sound and VFD display will shows OVER CUR The load maximum voltage value can be set by pressing the key Shift 0 Menu When the VFD display shows MENU SYSTEM SET press the key Enter to confirm Then the VFD display shows SYSTEM IMAX xxxxxxxxA indicating the current maximum current value Press the numeric keys and decimal point key to enter the maximum current value required followed by pressing the key Enter to confirm Then press the key Esc to escape the Menu item Note The maximum current value of M9711 electronic load is 30A When it is beyond 30A it will be automatically adjusted to 30A B
43. modes LIST CONTINOUS LIST END HOLD and LIST END RESET Press the A and V keys to select one output mode you wanted followed by pressing the key Enter to confirm LIST CONTINOUS means continuous output mode LIST END HOLD means the electronic load will remain the last value you set in the last step when all the steps you set in one set of data have been successfully executed LIST END RESET means the electronic load will reset to be load off mode when all the steps you set in one set of data have been successfully executed 3 After pressing the key Enter to confirm the VFD display will show STEP LENG xxx indicating the step length that requires to be set Then press the numeric keys to input the step length you want to set followed by pressing the key Enter to confirm Please note that the step length should be the round number of 1 200 4 When the VFD display shows STEP 1 CURR xxxxxA indicating the current that requires to be set in the first step press the numeric keys to input the current you want to set in the first step followed by pressing the key Enter to confirm When the VFD display shows STEP 1 TM xxxxx mS indicating the current duration in the first step press the numeric keys to input the current duration you want to set in the first step followed by pressing the key Enter to confirm 5 If all the steps set have been edited the VFD display will show EDIT LIST meaning exit back to the list function If all the steps set h
44. ndicating the test types There are four test types test current test voltage test power test resistance Press the A and V keys to select one from those four types followed by pressing the key Enter to confirm If in last step step 3 you choose load off mode or short circuit mode then the electronic load will skip step 4 5 When the VFD display shows DELAY TM xx xS indicating the delay time of each step The valid range of the delay time is 0 1 25 5S The lower value you set the shorter time the test needs But in certain circumstances too lower value may affect the test results because the test has been finished before the power supply reaches static state so please carefully select the delay time you wanted to set The recommended delay time is 0 5S Note 25 5S is set as suspended mode So the delay time of a certain step is set as 25 5S the load will stop to be proceeded to the next step until a trigger is input The trigger can be made either by the hardware in the back panel or by pressing the key Shift Trigger or the On Off key in the front panel 6 When the VFD display shows INPUT xxxx xxxxxx indicating the corresponding current value set voltage value set power value set resistance value set in working mode Press the numeric keys to enter the value followed by pressing the key Enter to confirm If in step 3 you choose load off mode or short circuit mode then the electronic load will skip step 6 7
45. ng waiting for testing or staying in the suspended mode respectively Please retrigger it so that it goes on testing After testing the right lower corner of the VFD display will show either PASS or FAIL When failure the buzzer will sound At this moment initiate next trigger or press any key to free from the indication of pass or fail When once automatic test is finished users can press the A and V keys to initiate manually operated test mode Every time press the key A or the key V once the load will begin to the carrying test of the last step or the next step Users can observe the actual state of every step When the key ON OFF is pressed or a trigger is input the electronic load will automatically exit from the manually operated test mode and start to automatic test again 4 3 Input Control 4 3 1 Short Circuit Operation SHORT Load can simulate a short circuit at the input end by turning the load on with full scale current The short circuit can be toggled on off at the front panel by pressing the key Shift 9 Short Short circuit operation does not influence the current value set When short circuit operation is on OFF state the Load will back to the original setting state The actual current value that the load consumes in short circuit condition is dependent on the working mode and current range of the load that are active In CC CW and CR mode the maximum short circuit current value is 1 2 times of the current range In CV mode sh
46. nvnnsnener 25 4 2 8 3 Executing Automatic Test Function eeesseseeeeeseresesressttsrirressersesreestestrseresresseneresressessest 26 4 3 nput Controle ET A E RA E E tener ee 26 4 3 1 Short Circuit Operation SHORT Lunsesmeeenseaesdennstnetuvnsmeininisedvndan l 26 4 3 2 Input On Off Operation e eeesseessesssesesesesesesesesestsesesesesesesesestststsesrsesrsrsrarsrersrersreeteeeeseeeeese 26 4 4 Electronic Load Operation Range renrnnvnverenrenverenrenverernersnerneenenseneerenseneerenssnessesnesesnernensene 27 45 Protection FUnNCHON Sessien ennir meme len 27 4 5 1 Over Voltage Protection OV sessnssassrnsanrenenransansarensansansnnensensensnrensensesenserese Mg ves vreree 27 4 5 2 Over Current Prolechion DE usssnumrenmuansnemnnssnuinanueseing Makers Mg 4 28 4 5 3 Over Power Protection OW s sansarnssanrensnnenrensensevensansenennensensenenveneenneser Ole r r0 UP 28 4 5 4 Input Polarity Reversed osranranrnnvnnvnnvnnvenvrovennrnnnenennnrnerm00r line Bore Ugo Mono 28 4 5 5 Over Heat Protection OH meornnrnnvonvnnvnnvenorarrnnrnnsnnennvenersrrsereren oter goro M cesscserescserenees 29 4 6 Remote Measurement Function ssessesesvenveneenenvensensnnensenssnesverseflggesesssvsfgeseersensnranssnsasensenee 29 47 Battery TESMG karene eneren 20 4 8 Communication PobtdLuaervaterseseuesrut Aka je benblomkeedee 30 4 8 1 WMC TOM PE MG ME ON EG 30 4 8 2 Setup BAUNGE Lunmangagmeanssssnerusus Ma
47. onnect the DB9 interface connector of the electronic load to the RS232 interface connector of computer directly by a standard RS232 cable Please use IT E131 to connect them 4 9 2 Communication between Power Supply and PC The DB9 interface connector on the rear panel of the electronic load can be transferred to RS232 interface through the voltage level shift cable M 131 or M 133 The following instructions can help you understand how to control the output of power supplier by PC 1 RS232 Setting Before using the remote operation mode please make sure that the baudrate and communication address in power supplier are the same as that in the computer software otherwise the communication will fail You can change the baud rate and communication address from the front panel or from computer 1 Baud rate 9600 4800 9600 19200 38400 which are selectable from the menu on the front panel www batteryspace com AA Portable Power Corp A AA Portable Power Corp 2 Data bit 8 3 Stop bit 1 4 Parity none even odd 2 DB9 Serial Interface DB9 Serial Interface 1 5V 2 TXD 3 RXD 5 GND The output of DB9 interface on the rear panel of the power supplier is TTL voltage level so the voltage level shift cable M 131 or M133 must be applied before connecting the DB9 interface with the serial interface on PC M 131 Voltage Level Shift Cable PC www batteryspace com AA Portable Power Corp A AA Portable Power C
48. or tag ERRCAL 0x0527 1 R 1 calibration data error tag Table 2 Register XRAM area definition Name Address Bit Property Description ow Ale 1 DR Command Register lower 8 bits effective high 8 bits meaningless IFIX Ox0A01 2 W R Constant current register double type UFIX Ox0A03 2 W R Constant voltage register double type PFIX Ox0A05 2 W R Constant power register double type RFIX 0x0A07 2 W R Constant resistance register double type TMCCS Ox0A09 2 W R Current soft start rising time register double type TMCVS OxOAOB 2 W R Voltage soft start rising time register double type UCCONSET OxOAOD 2 W R Constant current load voltage register double type UCCOFFSET OxOAOF 2 W R constant current unload voltage register double type UCVONSET Ox0A11 2 W R Constant voltage load voltage register double type UCVOFFSET Ox0A13 2 W R Constant voltage unloaded voltage regi double type UCPONSET 0x0A15 2 W R Constant power load voltage register double type UCPOFFSET Ox0A17 2 W R Constant power unload voltage register doubl type UCRONSET Ox0A19 2 W R Constant resistance load voltage register double type www batteryspace com AA Portable Power Corp A AA Portable Power Corp UCHOFESES OKOMITE J WR Constant resistance unload voltage register double type UCCCV OxOA1D
49. orp OND OF WB NY BE oOo IDM OF WB NY BE M 133 Voltage Level Shift Cable PC Oo MIME GN Note It will not work if you connect the DB9 interface connector of the electronic load to the RS232 interface connector of computer directly by a standard RS232 cable Please use IT E131 or M133 to connect them www batteryspace com AA Portable Power Corp A AA Portable Power Corp Quick Reference Safety Please donot install any spare or repair the instrument without permission In order to make sure the normal work of the instrument please have it mended in the maintenance department designated by our company Pease review the following safety precautions before operating our equipment Safety Symbols Please keep in mind the following items which may result in injuries on your body Connect it to safety earth ground using the wire recommended in the user manual AN High voltage danger Non professionals are forbidden to open the instrument AN The symbol on an instrument indicates that the user should refer to the operating Instructions located in the manual please wear gloves when you start to opreate and be ware of electronic shock Don t use the equipment at the about personal safety place Certification and Warranty M97 Series Electrical Loads meet its published specifications at time of shipment from the factory Warranty This instrument product is warranted against defects in material and workmanship for a pe
50. ort circuit operation is same as the operation of setting constant voltage to OV 4 3 2 Input On Off Operation When the load input state is in ON state you can press the key On Off to change the input state into OFF state Then the right upper corner of the VFD display shows OFF When the load input state is in OFF www batteryspace com AA Portable Power Corp A AA Portable Power Corp state you can press the key On Off to change the input state into ON state Then the right upper corner of the VFD display shows ON indicating the current working state 4 4 Electronic Load Operation Range Electronic load works in the range of Rated Current Rated voltage and Rated Power Please refer to the picture 4 13 and picture 4 14 V Power Range Picture 4 13 Electronic Load Power Range Software Maximum Power Set Software Maximum Electronic load Mode Change Current Set I Picture 4 14 Software Maximum Setting Value 4 5 Protection Functions Electronic load includes the following protection functions 4 5 1 Over Voltage Protection OV If input voltage exceeds the voltage limit load will turn off the input Buzzer will sound and the VFD display shows Over Volt The load maximum voltage value can be set by pressing the key Shift 0 Menu When the VFD display shows MENU SYSTEM SET press the key Enter to confirm Then the VFD display shows SYSTEM IMAX xxxxxxxxA Press the Up and Down keys to make adjust
51. r on the SYSTEM SELF TEST The electronic load start power on self test electronic load Vxxx and the VFD display shows the software serial No 2 Wait for 1s after EPROM ERROR EEPROM damage or lost data of last power turn on electronic load off ERROR CAL DATA EEPROM lost calibration data 3 Wait for another 2S xxxxxxxV 27000000 Display the actual input voltage and current once ERROR XXXXXXXW XXXXXXXX value actual power value and setting value occurred 3 2 In Case Of Trouble If electronic load fails to run during power on operation the following test will help you to solve the problems that might be encountered 1 Make sure if you have connected the power properly and On Off switch has been pressed 2 Check the power voltage setting There are two voltages which can make load work 110V or 220V Please make sure you get the right voltage in accordance to the voltage in your area 3 Check the fuse of load If fuse is blowout please change another fuse with the following specification www batteryspace com AA Portable Power Corp A AA Portable Power Corp Model Fuse specification Fuse specification 110VAC 220VAC M9717 T2 5A 250V T1 25A 250V M9717B T2 5A 250V T1 25A 250V M9717C T2 5A 250V T1 25A 250V M9718 T2 5A 250V T1 25A 250V M9718B T2 5A 250V T1 25A 250V 4 Replace the Fuse Open the plastic cover in the rear panel of the electronic load with a flat s
52. r to confirm In this way the load will enter into the loading and unloading constant resistance mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CR_UN or Unreg Showing CR_UN means the load has been successfully set into the expected constant resistance value showing Unreg means the load could not adjust itself to the expected constant resistance value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage is normal and if the output current of the measured power supplier is in the range of the current value that the expected resistance can absorb www batteryspace com AA Portable Power Corp A AA Portable Power Corp In loading and unloading constant current mode press the key Shift 1 V_Level the load will back into the standard constant resistance mode 4 1 2 3 Constant Resistance Shifting into Constant Voltage Mode I Picture 4 6 Constant Resistance Shifting into Constant Voltage Mode In constant resistance shifting into constant voltage mode the measured power supplier can be avoided from current strike damage When in standard constant current mode press the key Shift 5 CR CV to enter into the constant current shifting into constant voltage mode When the VFD display s
53. re if the output current of the measured power supplier is in the range of the current value that the expected resistance can absorb If you want to fine tune the constant resistance value you can rotate the selective encoder knob to adjust the value Rotating clockwise is to increase the value while rotating anti clockwise is to decrease the value Then the right lower corner of the VFD display shows the constant resistance value you set among which a cursor shows under one number meaning this number requires fine tuning If users want to change the fine tuning accuracy just press the rotary encoder knob in which a key is included Every time when you press the rotary encoder once the cursor will move forward to the previous number 4 1 2 2 Loading and Unloading Constant Resistance Mode As for the loading and unloading mode theory please refer to the 3 1 1 2 illustration When in standard constant resistance mode press the key Shift 1 V_Level to enter into the constant loading and unloading constant resistance mode When the VFD display shows ONSET VOL T XXxxxxxxxV indicating the current loading voltage press the numeric keys and decimal point key to enter the loading voltage value required followed by pressing the key Enter to confirm Then the VFD will shows OFFSET VOL T xxxxxxxxV indicating the current unloading voltage Press the numeric keys and decimal point key to enter the unloading voltage value required followed by pressing the key Ente
54. rent unloading voltage Press the numeric keys and decimal point key to enter the unloading voltage value required followed by pressing the key Enter to confirm In this way the load will enter into the loading and unloading constant current mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CC_UN or Unreg Showing CC_UN means the load has successfully set into the expected constant current value showing Unreg means the load could not adjust itself to the expected www batteryspace com AA Portable Power Corp A AA Portable Power Corp constant current value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage is normal and if the expected constant current value is in the range of the measured power supplier In loading and unloading constant current mode press the key Shift 1 V Level the load will back into the standard constant current mode 4 1 1 3 Soft Start Constant Current Mode Soft start constant current mode functions as an inductive load simulating inductance value which is in direct proportion with the rise time of soft start In this mode the measured power supplier can be avoided from current strike damage Load current Rising Time T Picture 4 3 Soft Start Current Mod
55. riod of one year from date of delivery Maintenance Service This product must be returned to maintenance department designated by our company for repairing Customer shall prepay shipping charges and shall pay all duty and taxes for products returned to the supplier for warranty service Except for products returned to customer from another country supplier shall pay for return of products to customer Limitation of Warranty The foregoing warranty shall not apply to 1 Defects resulting from improper or inadequate maintenance by the Customer 2 Customer supplied software or interfacing 3 Unauthorized modification or misuse 4 Operation outside of the environmental specifications for the product or improper site preparation and maintenance 5 Defects resulting from the circuit installed by clients themselves Attention 46 www batteryspace com AA Portable Power Corp A AA Portable Power Corp No inform will be given for any changes in the content of the user s guide thiscompany reserves the right to interpret 47
56. s the load couldn t adjust itself to the expected constant power value Please check if the measured power supplier has been correctly connected and turned on make sure if the voltage is normal and if the output current of the measured power supplier is in the range of the current that the expected power can absorb In loading and unloading constant power mode press the key Shift 1 V Level the load will back into the standard constant power mode 4 2 Dynamic Testing Operation Dynamic testing operation enables the electronic load to periodically switch between two load levels This function can be used to test the transient characteristics of the measured power supplier Dynamic testing operation can be turned on and off by pressing the key Shift Tran at the front panel Before you turn on dynamic testing operation you should set all of the parameters associated with dynamic testing operation by pressing the key Shit 4 stan including Value A A pulse time Rising time from value A to value B Value B B pulse time Falling time from value B to value A and dynamic testing operation mode There are three kinds of dynamic testing operation mode continuous mode pulse mode and trigger mode 4 2 1 Continuous Mode CONTINUOUS In this mode the electronic load will periodically switch between value A and value B when the dynamic testing operation is turned on 10A 2 0ms 3 0ms Picture 4 10 Continuo
57. splay shows LEVEL B CURR xxxxxxxxA indicating the current value B set Press the numeric keys and decimal point key to enter the current value required followed by pressing the key Enter to confirm Then the load VFD display shows WIDTH B TM xxxxxxxxmsS indicating the current lasting time of current value B set Press the numeric keys and decimal point key to enter the lasting time required followed by pressing the key Enter to confirm www batteryspace com AA Portable Power Corp A AA Portable Power Corp Then the load VFD display shows FALLING TM xxxxxxxxmsS indicating the current falling time set from value B to value A Press the numeric keys and decimal point key to enter the falling time required followed by pressing the key Enter to confirm Then the load VFD display shows TRANMODE CONTINUOUS TRANMODE PULSE TRNMODE TRIGGER indicating the current dynamic testing operation mode Press the key A or V to choose the dynamic testing operation mode you want followed by pressing the key Enter to confirm 4 2 5 Waveform Control 4 2 5 1 Square Wave When the rise time and falling time are both set as zero and the dynamic testing operation mode is set as continuous mode the output wave is square wave The output frequency is the inverse of the lasting time sum of current A and current B Since the minimum accuracy of all the time is set as 20uS the load can read the square wave with the maximum frequency of 25KHz and duty cycle of 50
58. stop testing automatically When the load is in testing procedure you can see the battery voltage battery discharge www batteryspace com AA Portable Power Corp A AA Portable Power Corp current electronic load power and battery capability that has been spared If the load is connected with PC software then you can see the discharge curve of battery discharge This test can test out the reliability and remaining life of battery So it is very necessary to do the test before you change another new battery Operation 1 In standard constant current mode adjust the load current value to the discharge current value of battery required 2 Press the key Shift 8 Battery When VFD display shows END TEST VOLT xxxxxxxxV set the turn off voltage and press the key Enter to start the capability test When the voltage drops to the turn off voltage the load will automatically turn off 3 Press the key On Off to start or to pause the battery capability test 4 Press the key Shift 8 Battery to escape the battery capability test mode V Battery Voltage s ssenennnenennnnennneneeneee Min voltage Load Sink Current T Picture 4 16 Battery Capability Schema 4 8 Communication protocol 4 8 1 Introduction M97 series programmable electronic loads work with Modbus protocol The data frame contains 4 parts as follows Salve Address Function Code Data Error Checking CRC www batteryspace
59. ti Registers Table 22 System parameter setting mode Operation Register Value Description Preset IMAX Double Optional Multi Registers Preset UMAX Double Optional Multi Registers Preset PMAX Double Optional Multi Registers Force Single Coil REMOTE OxFF00 0x0000 Optional Preset CMD 41 mandatory Multi Registers 4 9 Remote operation A AA Portable Power Corp The DB9 interface connector on the rear panel of the power supplier can be transferred to RS232 interface through the voltage level shift cable M 131 or M 133 the following information will tell you how to use the computer to control the output of the power supplier Before carrying out the remote operation mode please use the voltage level shift cable M 131 or M 133 provided by our company for M 131 or M 133 can not only transform TTL voltage level into RS232 signal but also connect the DB9 interface connector with computer s serial interface 4 9 1 M 131 or M 133 Communication Cable The DB9 interface connector on the rear panel of electronic load is TTL voltage level you can use the communication cable M 131 or M 133 to connect the DB9 interface connector of the electronic load and the RS 232 interface connector of computer for the communication Please refer to the following picture for M 131 or M 133 42 www batteryspace com AA Portable Power Corp AA Portable Power Corp Picture4 9 2 M 133 Note It will not work if you c
60. tuning If users want to change the fine tuning accuracy just press the rotary encoder knob in which a key is included Every time when you press the rotary encoder once the cursor will move forward to the previous number 4 1 4 2 Loading and Unloading Constant Power Mode As for the loading and unloading mode theory please refer to the 3 1 1 2 illustration www batteryspace com AA Portable Power Corp A AA Portable Power Corp When in standard constant power mode press the key Shift 1 V Level to enter into the constant loading and unloading constant power mode When the VFD display shows ONSET VOL T xxxxxxxxV indicating the current loading voltage press the numeric keys and decimal point key to enter the loading voltage value required followed by pressing the key Enter to confirm Then the VFD will shows OFFSET VOL T xxxxxxxxV indicating the current unloading voltage Press the numeric keys and decimal point key to enter the unloading voltage value required followed by pressing the key Enter to confirm In this way the load will enter into the loading and unloading constant power mode If the input state is in OFF state then the right upper corner of the VFD display will show the word OFF Press the key On Off to change the input state into ON state Then the right upper corner of the VFD display will show the word CW_UN or Unreg Showing CW_UN means the load has been successfully set into the expected constant power value showing Unreg mean
61. us Operation Mode www batteryspace com AA Portable Power Corp A 4 2 2 Pulse Mode PULSE In this mode when the dynamic testing operation is turned on the electronic load will switch to value B as receiving one trigger signal taking the pulse time TWD of value B Load will return to Value A 10A 5A TWD TWD 10ms lt 10ms TRIG TRIG Picture 4 11 Pulse Operation Mode 4 2 3 Trigger Mode TRIGGER In this mode when the dynamic testing operation is turned on the electronic load will switch the state between value A and value B once receiving a triggering signal TRG T Picture 4 12 Trigger Operation Mode 4 2 4 Setting up Dynamic testing operation Parameters Press the key Shift 6 S Tran then the load VFD display shows LEVEL A CURR xxxxxxxxA indicating the current value set Press the numeric keys and decimal point key to enter the current value required followed by pressing the key Enter to confirm Then the load VFD display shows WIDTH A TM xxxxxxxxmsS indicating the current lasting time of current value A set Press the numeric keys and decimal point key to enter the lasting time required followed by pressing the key Enter to confirm Then the load VFD display shows RISING TM xxxxxxxxmsS indicating the current rising time set from value A to value B Press the numeric keys and decimal point key to enter the rising time required followed by pressing the key Enter to confirm Then the load VFD di
62. ward to the previous number 4 1 1 2 Loading and Unloading Constant Current Mode Loading and unloading mode can well protect the measured power supplier from damage When the voltage of the measured power supplier begins to increase the load will automatically adjust itself to the open circuit state and begin to carry the measured power supplier and adjust itself to the current value set only when the voltage of the measured power supplier has been increased to the ONSET loading voltage When the voltage of the measured power supplier begins to decrease and has been decreased to the OFFSET unloading value the load will automatically adjust itself to the open circuit state If the ONSET loading voltage value is higher than the OFFSET unloading voltage value the load can be avoided from frequent carrying and unloading at the critical point of unloading voltage thus the measured power supplier can be well protected U ON SET brn een a KE REST OFF SET 7 f POSE ee OFF ON OFF Picture 4 2 Loading and Unloading Mode When in standard constant current mode press the key Shift 1 V Level and enter into the loading and unloading constant current mode When the VFD display shows ONSET VOL T xxxxxxxxV indicating the current loading voltage press the numeric keys and decimal point key to enter the loading voltage value required followed by pressing the key Enter to confirm Then the VFD will shows OFFSET VOL T xxxxxxxxV indicating the cur
63. wer supplier research institutes automotive electronics aeronautics and astronautics ships solar cells fuel cell etc M97 series offers users with its novel design rigorous process and attractive cost effectivene ss FEATURES Six high speed operation modes CC CR CV CW CC CV CR CW Over current over voltage over power over heat polarity reversed protection High luminance VFD screen with two lines amp four channels display Soft start time setting carrying the power supplier according to the voltage value set Battery testing and short circuit function Available for dynamic testing with rising edge falling edge setting Supporting external trigger input and output External current waveform monitor terminal Supporting remote voltage compensation and multidata storage Power on self test software calibration and standard rack mount Communication mode TTL level Serial communication interface www batteryspace com AA Portable Power Corp Chapter 2 Technical Specifications 2 1 Main Technical Specifications AA Portable Power Corp Model 2S M9717 M9717B M9718 M9718B Power 3600W 3600W 6000W 6000W Input Raitng EMA Current 0 240A 0 120A 0 240A 0 120A Voltage 0 150V 0 500V 0 150V 0 500V Range 0 24A 0 240A 0 12A 0 120A 0 24A 0 240A 0 12A 0 120A CC Mode R enst Resolution ImA 10mA ImA
64. when the electronic load supplier is powered on ON Setting the same state as last time you turned off the eletronic load OFF Setting the output to OFF state when the electronic load is powered on The load will work at CC mode KEY SOUND SET Setting the key sound ON The buzzer will sound when any key was pressed OFF the buzzer will not sound when any key was pressed connectmone Connect mode MAXTIDLEXING Multi SEPARATE Single BAUDRATE SET Setting the Baudrate 2400 9600 14400 28800 57600 115200 COMM PARITY Setting Comm Parity mode ODD Odd Parity ADDRESS SET Setting Address www batteryspace com AA Portable Power Corp A AA Portable Power Corp 1 200 The address is the input number 1 200 KEY LOCK SET Setting the keyboard unlocking password when it is 0 or null there is no password set EXIT _ SYSTEM SET MAX CURRENT SET Setting the maximum current If the maximum current is higher than 3A it is high range Otherwise it is low range MAX VOLTAGE SET Setting the maximum Voltage If the maximum voltage is higher than 20V it is high range Otherwise it is low range MAX POWER SET Setup the Maximum Power TERMINAL SET Choosing the input terminal FRONT Choose the input terminal at the front p
65. www batteryspace com AA Portable Power Corp AA Portable Power Corp USER S MANUAL Programmable DC Electronic Load Models M97 Series Including M9717 M9717B M9717C M9718 M9718B www batteryspace com AA Portable Power Corp AA Portable Power Corp Content USERS MANUAL Ga mae a action tau E aetna aed eee i Ghapter TOVenVview srir ioraa N eee A 1 Chapter 2 Technical Specications uuuuuuarmsuvisiininmnenumjmehndsddsonke tani te 2 2 1 Main Technical Specifications z lt scssascasesigiestescid casi heaved antendeasssclenna veins 2 2 2 Electronic Load DIMensbhuu uuarcaremqeaerevakemmenmmmdenmneiemvd 4 Chapter 3 Quick Reference Lenser Aeg aNassorulkeekeerondanenndnsgggieajngene 5 3 1 Power on self test Lumet erik akademi Mage ee 5 3 2 In Case Of Trouble ais satscccenccnacesiatiatdecasutandaybeaicteaseacadeasqsalscianted iedcaasuieeliaaades Mets MQM twee 5 3 3 Front Panel Operation ssresieressaseererraeersnrenssnsnsensenseressesssserseres nere Mice Rec Aee 6 3 4 Keypad Directions RE GE Mantondebbsisisses 7 3 5 Menu Operation uuareeees dere eae eee gennem 8 Chapter 4 Panel Operation erangnaskeesonneerm G en ene Mako Oe deassasianinrenvneavansapeniasveacaseds 11 4 1 Basic Operation Mode Lae GE 11 4 1 1 Constant Current Operation Mode CG rre tnnevrtkrvvveknerndvrvvenevrennenevneenenseneerensenverenseneer 11 4 1 1 1 Setting up a Standard Constant Current Mode osnersnernnovnnnvnnvrrnennnnnvnnsnnnnrnrnrnrasevrnsnvnnsnenee 11 4 1 1
66. yr ormer 31 22 EN gt ee ee 32 4 8 4 FUNCHON Gode sara Ne 32 4 8 5 Error checking CRG cscs Meee Me Meese PBeccccssesssscsscsscesssssrsncsesescnssesescsssescaceasenesees 32 4 8 6 Complete Command Frame AnalysiSui amrrnrvvonevnornonrrnverenrenvererrennenerneenensenesrensenesrenseneen 32 4 8 7 Coil With The Register Address Allocation srrsnenrrnrrrnnvrnrrnrrnrnnenrrnerrernrnerrensenerrernenenn 35 4 8 8 The Definition Of The Command Register CMD srrnnnnrnrnnrnrrrennrnerrensenernensenernnrsrnnennnn 38 4 8 9 Common Operation Function Description rrnrrnenrrnrrrnnnrnrrnnrnrrrernrnernensrnerrensennrrernennn 38 4 9 Remote operation ERE MR Mags EEE 42 4 9 1 M 131Communication CORIO cscccssssccsssssscscssscssssessencesseseecessesecsasscsecsassrsersesensees 42 4 9 2 Communication between Power Supply and PC rsnrnnnnvrnnnsrnnrnnnnrnernvnrrnensenernensenenne 43 Quick Reference RD JR 46 www batteryspace com AA Portable Power Corp A orp Chapter 1 Overview M97series DC electronic load as a new generation product of Maynuo Electronical Co Ltd is designed with high performance chips high speed high accuracy and with resolution of 0 1 Mv and 0 01 mA the basic accuracy is 0 03 the basic current rise speed is 2 5 A us M97 series has a wide application in production line cell phone charger cell phone battery electric vehicle battery Switching power supplier linear po

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