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DC  Power

  【

DC-10/DC-20

】

 

8.  Appendix 

 

63 

 

8-3. Communication protocol 

The following shows the step of communication transactions between DC and HOST computer. 

 

HOST

T0

T1

T2

T3

T4

DC-10/20

Message

transmitting

Message

receiving

ACK/NAK

wating

ACK/NAK

transmitting

ACK/NAK

receiving

Acknowledgment 

Message wating

ACK/NAK

transmitting

Acknowledgment 

Message transmitting

ACK/NAK

wating

ACK/NAK

receiving

 

 
 

Figure 8-6: Communication transaction step 

 

T0:   ACK waiting state from DC after a message transmitted from HOST. 
T1:   Frame receiving waiting state on DC. 
T2:   Acknowledgment message waiting state on HOST. The time until the acknowledgment frame is 

received after receiving ACK. 

T3:  Frame receiving waiting state on HOST. 
T4:   ACK waiting state from HOST after an acknowledgment message transmitted from DC. 
 
(1) Message transmission on HOST 

First, HOST transmits a message packet to DC. 

 
(2) DC receives the message. 

After  receiving  the  message  packet  from  HOST,  DC  reads  the  address  included  in  the  massage  to 
confirm that it is a message transmitted to it. 
If the address is wrong, DC does not respond to HOST but clears the receive buffer and returns to the 
message receiving waiting mode. 
If the address is correct,  DC receives all the messages and then analyze the incoming checksums to 
confirm that the messages are correctly received. 

 
(3) Transmission of ACK/NAK on DC 

After the judgment of received messages, DC sends ACK or NAK acknowledgments to HOST. 
ACK then sends 0x06, or NAK sends 0x15. 
ACK sends it when the received data is normal, whereas NAK sends it when the data is wrong. 
After  the  transmission  of  ACK/NAK,  the  command  status  to  the  received  data  is  sent  as  the 
acknowledgment message. 
 

Содержание DC-10

Страница 1: ...ti io on n M Ma an nu ua al l 10kW 20kW DC Power model DC 10 DC 20 800V model DC 10 H DC 20 H 1000V model 9th Edition July 14 2023 ULVAC Inc Before using this product be sure to read it Also keep thi...

Страница 2: ...use the unit after fully reading and understanding it Keep this operation manual always at hand with care When changing the installation place of this product be sure to attach this operation manual t...

Страница 3: ...riate inspection service work Well read the contents of the operation and the inspection service work and never operate this product until you understand it 1 3 The warning and the caution about the s...

Страница 4: ...uations including slight personal injury or medium scale of damage to the facility Works ignoring this note can lead to slight personal injury and or can bring the system into the situation that requi...

Страница 5: ...unit main body List of safety symbol marks Safety symbol marks Description Heavy loads There is a danger of getting injury Use specified machine Dangerous voltage part There is a danger of serious inj...

Страница 6: ...tion High temperature heated part Do not touch or you may get burned Use copper conductors only The connector part shall not be lifted Otherwise it may be damaged Do not hold and lift the connector We...

Страница 7: ...pired guaranteed period 2 A malfunction or trouble occurred by inevitable accidents including fire wind flood lightning or war 3 A malfunction or trouble occurred by careless or improper handling of t...

Страница 8: ...se make an inquiry to one of the contact addresses When you make an inquiry let us know the product name model manufacturing number and symptom in detail as much as possible 5 About Product Storage St...

Страница 9: ...threshold Revised RoHS Directive 2011 65 EU and EU 2015 863 Target regulated hazardous substances and their thresholds Regulated Hazardous Substances Threshold Lead Pb 1000ppm Mercury Hg 1000ppm Cadm...

Страница 10: ...ON 9 3 1 UNPACKING 9 3 2 INSTALLATION OF POWER SUPPLY 9 3 2 1 Power receiving equipment 9 3 2 2 Class A grounding work 9 3 2 3 How to install 10 3 2 4 About clearance 11 3 3 WIRING AND CONNECTING 11 3...

Страница 11: ...CILLATOR 27 4 15 ABOUT SETPOINT 29 4 16 ABOUT RESET 29 5 HOW TO OPERATE 30 5 1 HOW TO OPERATE IN LOCAL MODE 30 5 1 1 At startup of power supply 30 5 1 2 Parameter tree in MENU screen 32 5 1 3 About bu...

Страница 12: ...d by this power supply is enough to pose a risk to a human life Therefore it shall be handled with the greatest care In the event that a person contacts this voltage it leads to a serious accident Tak...

Страница 13: ...exclusive distributors In addition a nameplate is affixed on the top panel of the power supply Take special care so that it is legible at all times 1 3 When you contact When you need to order parts in...

Страница 14: ...kW can be combined flexibly and respectively and up to 12 units can be connected Note that power supplies with a rating of 800V and 1 000V cannot be combined on a master slave basis A low energy circ...

Страница 15: ...consists of the parts below Power main unit 1 Standard accessory D Sub connector for USER IO PORT product of JAE DC C4 J12 F1 DC 37PF N 1 set M S setting insulation driver 1 Option AC input cable Cabl...

Страница 16: ...I2 12 5A I2 25A I3 25A I3 50A I4 1A I4 2A Output polarity Negative polarity ARC control If ARC is detected the inverter is stopped and LARC separates the load side 3 Output connection Connector Contro...

Страница 17: ...V V2 1000V V3 555V V3 500V V4 200V V4 200V V5 100V V5 100V I1 5A I1 5A I2 10A I2 20A I3 18A I3 40A I4 1A I4 2A Output polarity Negative polarity ARC control Inverter stops when an unusual electrical d...

Страница 18: ...87 to 229V HARTING connector is employed for the input section Although the genuine cable can be purchased from us if you prepare a cable by yourself purchase connector component parts with reference...

Страница 19: ...d for the cable refer to Table 2 2 Electrical specification and select the one that would satisfy the rating specification In addition select a suitable cable ground based on the line shape of the wir...

Страница 20: ...50 60Hz 25kVA The power receiving equipment shall be designed with an allowance DC 10 13 5kVA DC 20 H 25kVA DC 10 H 13 5kVA The above shows the required power receiving capacity for one power supply T...

Страница 21: ...and its self weight Therefore make the structure so that no force is applied to the front panel Figure 3 2 Rack mounting hole position Install in a location with less dust and vibration In addition av...

Страница 22: ...ever connect cables under an energized state Before connecting or removing a cable be sure to turn the upstream breaker to OFF 3 3 1 Cables connected to DC 10 20 The use of DC power needs an input and...

Страница 23: ...ectric wires In addition operation other than in the USER mode needs the interlock pin 37 34 pin jumpered For details on I O see 4 2 2 1 table 4 5 3 3 3 About system configurations Option Power suppli...

Страница 24: ...ds to be set to its corresponding point Selecting C or its subsequent ones displays MODULE ERROR Setting the M S configuration switch to the same point with different power supplies also displays MODU...

Страница 25: ...hing the master setting and the connected units Rear rotary switch Please set correctly See Fig 3 6 Check the rear rotary switch setting Check M S cable connection OK NG OK Start of M S connection M S...

Страница 26: ...guration 3 4 protection sheets On the top plate a protection sheet is covered for the contamination prevention For this part remove the sheet Unpacking with protection sheet Upon operation without pro...

Страница 27: ...next one along the parameter tree Decide the set value Press together with the FUNC button to reset the FAIL mode Until the error is solved FAIL LED is not turned off MENU ERROR button Push button Th...

Страница 28: ...Before Master Slave operation make connections M S connector male 3 D sub 15 pin connector Before Master Slave operation make connections SERIAL communication port D sub 9 pin connector Use in the RS2...

Страница 29: ...on or off the output Front panel USER I O PORT SERIAL communication port USER I O PORT Change of operation mode Front panel SERIAL communication port Front panel SERIAL communication port Front panel...

Страница 30: ...when a hard arc is detected in the power supply 17 MARC Output at Low level when a micro arc is detected in the power supply 18 RESERVE Not to be used Leave this open 19 COMD Digital signal common fo...

Страница 31: ...in and 28 pin ports of USER IO PORT Table 4 6 Combination of selection of control mode Control mode PREG 27pin IREG 28pin Constant power Low High Constant current High Low Constant voltage High High S...

Страница 32: ...000V rated output voltage model is 10 0 Vmax in the P control 8 00 Vmax in the I control and 6 67 Vmax in the V control 4 5 About DC output sequence The output sequence of this product is as follows...

Страница 33: ...SHDN 150us 200us MENU CNFG ARC MARC DELY USE DISBL ENABL MENU CNFG ARC MARC DELY TIME 1us 1us MENU CNFG ARC MARC ACSW ENABL DISBL MENU CNFG ARC HARC SHDN 10ms 5ms MENU CNFG ARC HARC JDGE 10ms 5ms MEN...

Страница 34: ...uption time and the detection level can be changed on the front panel or via the SERIAL communication Optimal arc handling can be performed by changing the settings depending on the working load The u...

Страница 35: ...e micro arc interruption in the case where ARC is repeated even after a micro acr process If the micro arc process is executed in succession within the set time an interruption is carried out The inte...

Страница 36: ...the value for the ramp time starting value etc by setting the ramp time function Ramp time The time to reach the command value can be set It starts within the set time 0V 0A t 0V 0A t No ramp time Wi...

Страница 37: ...LARC ERROR E33 This occurs at abnormal LARC TEMP ERROR E34 This occurs if an internal temperature error occurs FAN ERROR E35 This occurs in the event of a cooling fan error SYSTEM POWER ERROR E36 Thi...

Страница 38: ...Until the situation is improved it is kept interrupted If the symptom is improved it automatically recovers 1 DEAD SHORT WARNING may not be detected depending on the load condition 2 SELECT WARNING s...

Страница 39: ...n you select the SMA mode on the A2K 20K A2K 40K side MFU Select when using MFU 20K MFU HIGH Select this if you want to output high voltage when using MFU 20K MFU SOFT Select this when abnormal discha...

Страница 40: ...ut can be changed between 2 and 8 Change the value depending on your circumstances 4 16 About RESET Do not fail to apply a RESET signal only when an ERROR is generated FAIL status Note that if the RES...

Страница 41: ...ent setting information M N appears For M N see Table 2 1 M N ex DC 20 800V model with M S and LARC functions The current operation mode and the control mode are displayed ex Operation mode LOCAL Cont...

Страница 42: ...d LOCAL Select when using in the LOCAL mode HOST Select when using in the HOST mode USER Select when using in the USER mode The second line displays the current output value in the order of output pow...

Страница 43: ...12 units Initial value 1 Fixation of control mode selection Initial value NO Output control mode setting POWER VOLTAGE CURRENT Initial value Conforming to I O Operation mode setting LOCAL USER HOST H...

Страница 44: ...ches back to the main screen If you go along the hierarchy of the menu screen return to the previous hierarchy MENU ERROR button The menu screen appears ENT RESET button In the main screen it shifts t...

Страница 45: ...button returns to the main screen ERROR RESET FNC ENT Pressing the FNC and ENT RESET buttons together resets ERROR Enabled only in the LOCAL mode In addition when it is reset while the ARC COUNT numbe...

Страница 46: ...evice with the built in M S function CONT this is used to select an operation mode LOCAL Select this for operation using the front panel USER Select this for operation via USER IO PORT HOST Select thi...

Страница 47: ...its of each output value POWR this enables one to change the limit value of the output power VOLT this enables one to change the limit value of the output voltage CRNT this enables one to change the l...

Страница 48: ...es one to change ON OFF of LARC It cannot be changed with a power supply without LARC SHDN this enables one to change the output interruption time at the time of micro arc processing You can select fr...

Страница 49: ...table range is 1 msec to 256 msec in steps of 1 msec CONT this enables one to change the number of occurrence times of micro arc to shift to the hard arc processing The selectable number of times is 1...

Страница 50: ...f SETPOINT The settable range is 2 to 8 in steps of 1 HOST this enables one to change the settings in the SERIAL communication mode BPS SERIAL communication rate can be selected TERM this enables one...

Страница 51: ...rectification W F This displays the log of warnings and errors WARN This displays the log of warnings FAIL This displays the log of errors WARN This displays the log of warnings The latest warning log...

Страница 52: ...This enables one to view and set the current time SERV This enables one to check the hardware configuration RAMP this changes the rise time at the start of the DC output With this ramp function the r...

Страница 53: ...ew hours after the breaker is turned off If backups need to be taken by the battery contact the store of purchase SERV this enables one to check the hardware configuration HARD this displays M N of th...

Страница 54: ...TM MODE LOCK NO YES NO 4 Setting of the number of connected DC 20 20 H units CNFG SYTM UNIT 20kW 0 12 1 1 2 5 Setting of the number of connected DC 10 10 H units CNFG SYTM UNIT 10kW 0 12 1 1 2 6 Selec...

Страница 55: ...CNFG LIMT CRNT 800V model 0 50 25 A 1000V model 0 40 0 18 0 A 0 1 A Rated value 2 4 Setup of ignition voltage CNFG OTHR IG V 800V model 800 1500 1000V model 1000 1500 1 V 1500 5 Setup of set point li...

Страница 56: ...the time of hard arc processing CNFG ARC HARC SHDN 0 500 1 msec 10 6 Setup of judgment time to shift to hard arc processing CNFG ARC HARC JDGE 1 256 1 msec 10 7 The number of occurrence times of micro...

Страница 57: ...t No Supports digital output signal 24V from the power supply of JC000117 or later Please contact us if you need more information Table 5 5 Scale of analog signal output AO DC 10 DC 20 Analog signal o...

Страница 58: ...0k AO Analog output VOUT 2 COMA 100 DC USER INTERFACE System Pin 1 5 22 23 AO COMA ISO AMP COMA COMA IOUT 3 POUT 4 1 Only a DC OFF signal is Active High The output is stopped at High Level 2 Only the...

Страница 59: ...7k COMD 15V DC USER INTERFACE System COMD 1k MAX Digital Input Signal COM_DC COMD 100 DC USER INTERFACE System COMD 1 3 2 4k 24V MAX Digital Output Signal COM_DC Figure 5 2 Recommended digital I O con...

Страница 60: ...ions and clearance at the intake exhaust port of the power supply approximately once every three months In maintenance be sure to shut off the breaker for the power supply and also shut off your upper...

Страница 61: ...mmended replacement years do not guarantee parts life The deterioration rate of these parts greatly depends on the frequency in use and environment of the unit at your site 2 Especially the life of a...

Страница 62: ...onnections 2 If not improved Replace the power supply 2 The front panel does not light up 1 No AC input 2 Damage to the internal circuit board 3 Break in an internal wire 1 Check the input cable conne...

Страница 63: ...command voltage Check whether or not the command voltage is within the specified value If it exceeds the specified value change the command voltage to within the specified value 18 W30 OVER VOLTAGE W...

Страница 64: ...V Outputting 2 The voltage does not rise and sways 1 It may not have been ignited We will review the ignition voltage and ga s pressure Also check if the Limit op eration is set 2 Abnormal discharge c...

Страница 65: ...ndix 54 8 Appendix The following documents about DC are attached 1 External view of DC 2 China RoHS compliant 3 Operating instructions for serial communications Figure 8 1 External view of DC and warn...

Страница 66: ...Pb Lead Hg Mercury Cd Cadmium Cr6 Hexavalent chromium PBB Polybrominated biphenyl PBDE Polybrominated diphenyl ether SJ T11364 This table is prepared according to the provisions of SJ T 11364 2014 GB...

Страница 67: ...Power DC 10 DC 20 8 Appendix 56 O Op pe er ra at ti io on n M Ma an nu ua al l 10kW 20kW DC Power Operating Instructions for Serial Communications model DC 10 DC 20 800V model DC 10 H DC 20 H 1000V mo...

Страница 68: ...ons are as follows Communications protocol RS 232C RS 485 Communication rate Selectable from 115200bps 57600bps 38400bps 19200bps 9600bps Data length 8 bit Stop bit 1 Parity none In addition each pin...

Страница 69: ...tem For establishment of RS485 communications an address needs to be allocated to each DC to connect See the section about the NET Address setting The DC of the final end to connect needs the TERMINAT...

Страница 70: ...ENT button The selected item blinks The CNFG screen shown below appears 3 On the CNFG screen press the or button to select OTHR item and press the ENT button The Option screen shown below appears 4 On...

Страница 71: ...elow appears On this screen the communication rate can be changed The initial value is 9 600 bps Pressing the ENT button enables the editing mode and allows you to select the communication rate using...

Страница 72: ...rol mode via RS232C or RS485 communication Made the settings to the HOST communication using commands for setting the control mode See the control mode change command in the Write command 0x13 Control...

Страница 73: ...he data length by command see the command list to be described later Command The command field consists of 1 byte values 0x00 to 0xFF The command type consists of Write and Read The Write command chan...

Страница 74: ...T after an acknowledgment message transmitted from DC 1 Message transmission on HOST First HOST transmits a message packet to DC 2 DC receives the message After receiving the message packet from HOST...

Страница 75: ...ates that the checksum values of the data are wrong 0x05 Data Length NG This indicates that there is an error in the received data length 5 Receipt of acknowledgment message on HOST HOST can judge the...

Страница 76: ...e depends on the current output mode For this reason set the output mode by the setting command 0x14 first and then set the LEVEL The settings for each mode are as follows For Power and Current a valu...

Страница 77: ...is attached Use these settings for A2K MFU 0x01 NONE 0x06 MFU 0x02 A2K 0x07 MFU_HIGH 0x03 A2K_K 0x08 MFU_SOFT 0x04 A2K_LOWM 0x09 MFU_SMA 0x05 A2K_SMA 1byte STATUS 0x1C RAMP MODE 1byte 0x00 DISABLE 0x0...

Страница 78: ...is set to A setting each ABC parameter stores and applies the parameter of A If it is changed to B each ABC parameter can be set stored and applied as the settings for B Whether the current status is...

Страница 79: ...t here is executed within the time set by 0x2A the operation switches to the HARC judgment The settings are made in steps of 1 count 0 15 15 0x0F 1byte STATUS 0x2A HARD ARC JUDGE TIME 1byte This is th...

Страница 80: ...this sends back the set the number of 10 kW power supplies with the first byte and the number of 20 kW power supplies with the second one This number of units is up to 12 in total in a combination of...

Страница 81: ...ve11 4byte Responds the content of the ERROR that has occurred Specify the product to inquire about the contents of FAIL with 0x88 The bit corresponding to ERROR is set If multiple ERRORs occur all ap...

Страница 82: ...0 to 10V 0 to 2 400 240 kW with the maximum 12 units connected 20 kW 12 Voltage 0 to 10V 0 to 15 000 1 500V Current 0 to 10V 0 to 6 000 600A with the maximum 12 units connected 50A 12 0x92 Power 2byt...

Страница 83: ...e time set in DC 600 00sec 60000 16 bit integers are transmitted 0x9E Ramp Time Start Level 1byte This sends back the starting value Level for starting Ramp operation The current set value is transmit...

Страница 84: ...1byte This sends back the MARC interrupting delayed time set in DC 0x01 1us 0x02 2us 0x09 9us 0x0a 10us 0xA7 MARC DELY USE 1byte This sends back whether the MARC interruption delayed function is ON o...

Страница 85: ...acity Data content 0xAD HARD ARC COUNT 4byte This sends back the number of accumulated HARC occurrences The maximum number of counts is 99 999 999 times 99 999 999 05F5E0FF 0xAE MICRO ARC COUNT 4byte...

Страница 86: ...its a reply message When the Write command is transmitted the DC transmits only the command status as a reply message The reply message is as follows 99 00 00 99 99 SOF Address 25 a 10011001 is transm...

Страница 87: ...ransmits an ACK and then a reply message When the Read command is transmitted the DC transmits the details of the inquiry as a reply message 9E 02 85 0C 00 D1 9E SOF Address 30 a 10011110 is transmitt...

Страница 88: ......

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