D08-8C、D08-8CM Instruction Manual
Contents
1. Circuit Cases Display Power supply Other funtions voltage 1 Multi Multi 4 20mA 4 20mA RS232 Rack 85 4 20mA 4 20mA 2 Flow Mini Desk channel Channel Channel 110 220 15 24 1 5 1 5V 85485 Setpoint MFC MFM desk j 265 0 10mA 0 10 Accumu Type style 1 1 Multi VAC VAC VDC VDC Input Output Commu display style VAC linput I output lator Display Display Display Signal Signal nication 1 4 4 4 4 4 4 y 4 4 4 4 12 4 4 4 4 4 4 2F 3F 4F 4 4 3B 4 ENER 4 4 4 v 2E 3E 4E IK 4 v 4 1 5 1G 4 4 4 4 1GM 4 4 8C 4 4 4 8CM 4 4 Page 11 of 33 Sevenstar 8 2 Order form D08 t b s Full scale Code t Type 8C 5sccm c Communication type 10sccm 2 RS232 20sccm 4 RS485 30sccm s Special request 50sccm percentage display 100 0 Chinese label S List full scale see table on right side and other request 100sccm 200sccm 300sccm 500sccm 2slm 3slm 5slm 10slm 20slm 30slm 50slm 100slm 150slm 200slm 250slm2. 999999 SL or 999999 Standard M 2 3 Flow Cumulated Ent P a anal lt 0 3 2 4 Instantaneous Flow Display Distinguish ability 0 196 F S 2 5 Standard Power 5 00 5mA Voltage Difference 0 1 2 SUPPLY POW Maa P 85 265 50Hz 60Hz 2 7 Serial Communication eee eee ener enne RS232 RS485 2 8 Max power 10W 2 9 Bypass OCorltrol caer 1 Way MFC or 1 Way MFM 2 10 DIMENS MM TE 72X72 X 168 mm PARECEN 0 5 kg Page 1 of 33 Sevenstar 3 OPERATION PRINCIPLE D08 8C Accumulator is consisted of 15V power supply 5V power supply modulus converter instantaneous flow amp cumulated flow displayer 6 keys and communication part The flow test voltage 0 5 that came from MFC MFM converts to digital signal after pass through A D converter to operate and cumulate processing in SCU Single Chip Micyoco After that the instantaneous flow rate is delivered to four place LED displayer the displaying units are SCCM Standard Milliliter Min or SLM Standard Liter Min it also could be SLM or KSLM Standard Kiloliter Min viz Standard M3 Min The cumulated value is delivered simultaneously to 6 p
3. RS 485 is switched by the slide switch S2 on circuit board Please refer to the Chapter 4 5 for more details of the serial communication Please refer to appendix two for more details of the communication protocol 4 INSTALLATION amp CONNECTION Dimensions It used standard plastic chassis as showing in figure 1 Page 21 of 34 72 72 168 Figure1 Dimensions of 008 86 4 2 Installation Tapping Dimensions 67 X67 mm 4 3 Installation Mode Standard Inlay Installation 4 4 Front panel view Figure 2 and rear panel view Figure 3 008 8 2 FLOW ACCUMULATOR Instantaneous Flow FI O ing Sevenstar Huachuang Electronics Figure2 Front panel view of D08 8CM Figure3 Rear panel view of D08 8CM 4 5 Seriel communication connection Figure 4 Page 22 of 33 Sevenstar 1 6 TXD 2 7 B RD 310 8 410 9 56 1 538 5 Figure4 9 pin Standard D Sub socket When you use one Master PC communicated with one D08 8CM Accumulator we commend RS232 communication mode When you use one Master PC communicated with many D08 8CM Accumulators the maximum is 16 we commend RS485 communication mode When you select RS232 communication mode Please connect pin 2 TXD pin 3 RXD and pin 5 SG showed in figure 4 to PC s standard RS232 serial port s corresponding pin 2 RXD pin 3 TXD and pin 5 Signal COM When you select RS485 communication mode
4. D08 8CM Flow Accumulator Operating Instruction 1 APPLICATION D08 8CM Flow Accumulator provides operating power supply flow accumulating instantaneous flow valve and cumulate flow rate digital display of MFM General speaking D08 8CM Flow Accumulator could operate together with 007 series MFM and it can also operate together with other international models of MFM 2 SPECIFICATIONS 2 1 Output Power Supply for MFC MFM operation 15V 200 mA Voltage Difference 5 15V 400 mA Voltage Difference 5 2 2 Max Display 999999 SL or 999999 Standard M 2 3 Flow Cumulated Error eee ener 0 3 2 4 Instantaneous Flow Display Distinguish ability 0 196 F S 2 5 Standard Power 5 00 5mA Voltage Difference 0 1 2 6 Supply POWET x 85 265 AC 50Hz 60Hz 2 7 Serial Communication RS232 RS485 Page 20 of 34 2 8 Max power corisurnptiOr dude de Tue al e a 10W 2 9 Bypass Control T 1 Way PX DABIT X 72X72X168 mm Wei ai 0 5 kg 3 OPERATION PRINCIPLE D08 8CM Accumulator is consisted 15V power supply 5V power supply modulus
5. Please connect pin 6 A pin 7 B showed in figure 4 to Master PC s standard RS485 serial port s corresponding pin A pin B In fact this is the Half Duplex RS485 Communication Mode you should set every 8CM Accumulator to the different address the Master PC can discern every 8CM Accumulator by the different address in this mode you can use one Master PC communicate with 16 8CM Accumulators if you want know more about the communication protocol please read the Appendix One 4 6 15pin Standard D Sub connection with MFC Page 23 of 34 3 1 o o 2 3 o 3 Power Com 10 o 11 15 o 4 12 157 13 I sd vDo 14 Common 4 15 15 o 8 GND 15 8 Figure 5 15 pin Standard D Sub connection with MFM It can be directly connected with MFC through D Sub by cable 4 7 220 power connection is showed in figure 3 For the sake of safety GND must be connected 5 OPERATION 5 1 Startup There is no power switch of Flow Accumulator it could be operated after external alternating current connecting 5 2 Initial State Full scale readout defaults to 100 08CCM communication address defaults to 1 and cumulate flow unit defaults to SCC 5 3 Keys Definitions The D08 8CM Accumulator is operated and configured by the four keys in the front panel The keys meaning is shown below SET Key Page 24 of 33 Sevenstar This key is used to implementation functions under mentione
6. So you can change the setpoint value from the last digit to the first digit NOTICE 1 When the setpoint exceeds the Full Scale value the setpoint value will automatically default to the Full Scale value after the OK key is pressed 2 To avoid zero drift value being added to the cumulate value D08 8C Accumulator is designed when the instantaneous flow value is less than or equal to one percent of the Full Scale value this instantaneous flow value will not be added to the cumulate flow value Submenu2 SET FULL SCALE This submenu s operation method is identical to submenu 1 The only difference is that when you complete the first digit setting the display value does not return to 2 instead of that the radix Page 7 of 33 Sevenstar point will flash and you can change the radix point s location by the key After that press OK key to save the Full Scale value At last press Set key to return to the state of displaying instantaneous flow NOTICE The Full Scale s radix point location will have a effect on the instantaneous flow it means the Full Scale and the instantaneous flow s radix point have the same location Submenu3 SET UNIT In this mode the displayed reading is 3 indicating submenu 3 Press the OK key it appears 31 in the display then use keys to make SLM LBD or SCCM LBD turns on or off After that press OK to save the unit At last press Set key to return to t
7. converter instantaneous flow amp cumulated flow displayer 4 keys and communication part The flow test voltage OV 5V that came from MFM converts to digital signal after pass through A D converter to operate and cumulate processing in SCU Single Chip Micyoco After that the instantaneous flow rate is delivered to four place LED displayer the displaying units are SCCM Standard Milliliter Min or SLM Standard Liter Min it also could be SLM KSLM Standard Kiloliter Min viz Standard M3 Min The cumulated value simultaneously is delivered to 6 place LED displayer the displaying units are SCC Standard Milliliter or SL Standard Liter it also could be SL or KSL Standard Kiloliter viz M3 The maximum cumulated flow could match to 999999 SL if MFM unit is SCCM the preliminary cumulated flow unit is SCC when cumulated value matched to 1000 SCC the cumulated flow unit will change to SL automatically If cumulated value exceeds the maximum the arithmometer will reset automatically and begin accumulating from zero If user used 100 SCCM MFM the minimum cumulated time could match to 166666 67 hours about 19 years Our Flow Accumulator is quite good at long time continuous accumulation circulate accumulation cumulated value radix point and unit automatic adjustment D08 8CM Accumulator offers Serial Communication function it can communicate with master PC via Standard RS232 RS485 Serial Communication Interface RS 232
8. lt ziz 1 lw 300slm Page 12 of 33 Sevenstar APPENDIX 1 D08 8C COMMUNICATION PROTOCAL 1 Summary This protocol is applied to the communication between the Master PC and D08 8C Flow Accumulator Data format hexadecimal Baud rate 9600 b s Data bits 8 bits Stop bits 1 bit Check bits none 2 DETAILED DATA FORMAT 2 1 Read flow accumulator s current state Request message from the Master PC 8 bytes 01 03 00 02 00 08 5 which means 01 Address of the device here 1 03 Reading command 00 02 Address to read here 0x0002 00 08 Number of word to read Here 8 words 16 bytes 5 CRC calculated Answer message from Slave device 01 03 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CRCL CRCH which means 01 Address of the device here 1 03 Reading command 10 Number of bytes read here 16 bytes 1 4 Instantaneous flow value Page 13 of 33 Sevenstar The data 00 09 denotes corresponding number 0 9 The data 10 19 denotes corresponding number 0 9 OF denotes blank denotes denotes Transferred sequence is from low digit to high digit For example 1 4 00 10 09 OF denotes the instantaneous flow is 90 0 5 10 Cumulate flow value The Data definitions are the same as that of instantaneous flow value For example 5 10 05 13
9. 04 02 OF OF denotes the cumulate flow is 243 5 11 14 Full Scale The Data definitions are the same as that of instantaneous flow value For example 11 14 00 10 00 01 denotes the Full Scale is 100 0 15 Units 00 denotes SCCM and SCC or SLM and SL 01 denotes SCCM and SL or SLM and KSL 11 denotes SLM and SL or KSLM and KSL 16 Valve state 00 denotes Valve OFF 80 denotes Valve AUTO FF denotes Valve PURGE CRCL CRCH CRC calculated 2 2 Read Instantaneous flow set point value Request message from the Master PC 8 bytes 01 03 01 00 02 E5 F5 which means 01 Address of the device here 1 03 Reading command 01 0A Address to read here 0x010A Page 14 of 33 Sevenstar 00 02 Number of word to read Here 2 words 4 bytes E5F5 CRC calculated Answer message from Slave device 01 03 04 1 2 3 4 CRCL CRCH which means 01 Address of the device here 1 03 Reading command 04 Number of bytes read here 4 bytes 1 4 Instantaneous flow set point value The data 00 09 denotes corresponding number 0 9 The data 10 19 denotes corresponding number 0 9 Transferred sequence is from low digit to high digit For example 1 4 00 10 08 00 denotes the instantaneous set point flow is 80 0 CRCL CRCH CRC calculated 2 3 Reset the cumulate flow value to zero Request message from the Master PC 8 bytes 01 05 00 18 00 FF OD 8D which
10. Multi VAC VDC VDC Input Output Commu display style Iinput I output j RA lator Display Display Display Signal Signal nication 1F y y y y y y 4 4 4 1 y y y 4 y 4 1 2 4 2F 3F 4F v 2B 3B 4B y y 4 2 4 y 1 5 1G y y y y 4 1GM y 4 8C y y y y 4 4 8CM y Page 29 of 34 Sevenstar 8 2 Order form D08 t b s Full scale Code t Type 8CM 5sccm c Communication type 10 2 RS232 20sccm 4 RS485 30sccm s Special request percentage display 100 0 Chinese label 50sccm S List full scale see table on right side and other request 100sccm 200sccm 300sccm 500sccm 1slm 2slm 3slm 5slm 10slm 20slm 30slm 50slm 100slm 150slm 200slm 250slm NIK x ia lt 1 IZ IZ gt 300slm APPENDIX 2 Page 30 of 34 Sevenstar D08 8CM COMMUNICATION PROTOCAL 1 Summary This protocol is applied to the communication between the Master PC and D08 8CM Flow Accumulator Data format hexadecimal Baud rate 9600 b s Data bits 8 bits Stop bit
11. local Sevenstar Sales Agent or Sevenstar Customer Service at 8610 6436 2925 Yours sincerely Sevenstar CONTENTS D08 8C for mass flow controller 1 APPLICATIONS 2 SPEGIFIGATIONS eerte nc 3 OPERATION 4 INSTALLATION amp CONNECTION 4 1 Dimensionen 4 2 Tapping Installation 4 3 Installation 4 4 view of 2 2 inier 4 5 Serial Connection 46 D Gonnectlon iren hi 4 7 Power 5 OPERATION 5 1 Start Sevenstar D08 8CM for mass flow meter 1 20 2 20 5 04 400 021 3 21 PRINGIPEE 5 tte 4 INSTALLATION amp 21 41 21 DIMGMSION eee 4 2 Tapping Installation 22 Dimension 4 3 Installation 22 i e ential cane 4 4 view of 22 Accumulator 45 SerialcommunicationConnection 22 4 6 23 47 220 Power 24 5 OPERATION
12. to SLM follow the steps shown below 1 Press the SET key once 1 will appear on the display indicating submenu1 is entered then press the key twice to display 3 Press the key once to display 31 Press the key once SCCM LBD will turn off and SLM LBD will turn on Press the key once to save and return to submenu3 Press the SET key to exit Perform step 8 described in Example One CAUTION 7 1 When voltage signal of flow is negative 00 0 will be displayed Page 10 of 33 Sevenstar 7 2 When the is in the state of Valve control You can change MFC s valve state to OFF state by pressing the OFF key in this situation you can also enter the submenu 1 and change the instantaneous flow setpoint value but when you complete the setpoint setting the new value will not take effect at once because the MFC s valve is still in the OFF state you must press the AUTO key making the MFC s valve be changed to the AUTO state and then the new setpoint value will take effect 7 3 D08 8C Flow Accumulator can also operate together with in this situation the Valve control and Setpoint didn t work it just tests instantaneous flow and displays instantaneous flow and cumulate flow 7 4 Reference appendix 1 for more information about communication protocol 8 PRODUCTION SELECTION 8 1 selection
13. 1 Press the OK key again the cumulate flow will reset to zero and then will automatically return to the state of Page 26 of 34 Sevenstar instantaneous flow display this process may take 1 5 seconds 5 5 SHUT DOWN Disconnected AC power the accumulator will turn off Cumulate flow value s SAFEGUARD FUNCTION when power is off The Full Scale and Units will be saved at the time of power off when the power on these values will not be changed Specially the cumulate flow value will be saved every 30 seconds when the power on the cumulate flow matches to the last saved value 6 EXAMPLES ONE If you want to change the Full Scale value from 100 08CCM to 20005 perform the following steps 1 Press the SET key once 1 will appear on the display 2 Press the OK key to enter 1 unit digit 0 will flash 3 Press the OK key three times thousands digit 1 will flash allowing being updated by using key or key 4 Increment it to 2 with the key 5 Press the OK key the current radix point location will be shown and flash 6 Press the key three times the radix point will extinguish Page 27 of 34 Sevenstar 7 Press the OK key to save operation and return to submenut then depress the SET key to exit 8 When you change the Full Scale you should reset the cumulate flow value to zero please following the steps shown below Pres
14. 24 bil Start picasso e eee eter 24 5 2 Initial 5 Ici EE 5 8 Button 6 Definitions e ciens 5 4 Menu 7 Instructions sets seis osetia aces 5 5 Shut 9 IB I 6 9 EXAMPLE nini cort ree ce 7 10 CAUTION 8 PRODUCTION 11 APPENDIX One COMMUNICATION PROTOCAL 13 OF 8C ACCUMULATOR 5 2 MITA 5 3 Button 5 4 Menu 5 5 Shut 2 nnne 6 EXAMPLE raien ite re ete 7 GAUITIONL 8 PRODUCTION APPENDIX Two COMMUNICATION PROTOCAL OF 8CM ACCUMULATOR DOS SERIES CLOW texe ur BOXES 25 26 27 28 28 30 Sevenstar D08 SERIES FLOW READOUT BOXES D08 8C Flow Accumulator Operating Instruction 1 APPLICATION D08 8C Flow Accumulator provides operating power supply flow accumulating instantaneous flow rate and cumulate flow rate digital display of MFC MFM General speaking D08 8C Flow Accumulator is compatible with D07 series amp and it can also compatible with other MFCs 2 SPECIFICATIONS 2 1 Output Power Supply for or MFM operation 15V 200 mA Voltage Difference 5 15V 400 mA Voltage Difference 3 596 2 2 Max Display
15. 75 0 03 E8 1000 Decimal location 100 0 1D 4C 7500 Decimal location 750 0 CRCL CRCH CRC calculated Answer message from the Slave device The answer is identical to the request 3 CRC calculation algorithm The CRC is calculated from all the bytes of the message excepted the CRC itself by using a Cyclic redundancy check with the following algorithm Page 17 of 34 Sevenstar Init CRC CRC SFFFF For each byte of the MODBUS message Do a XOR between the low byte of the CRC and the byte then put the result in the CRC Make a 1 byte right shift of the CRC and keep the carry bit Do a XOR between CRC and A001 then put the result in CRC Page 18 of 34 Sevenstar C code for a CRC calculation CRC 0xFFFF for i 0 i lt length message 1 CRC CRC message i 8 OxOOFF for j20 j 8 j carry CRC amp 0 0001 CRC CRC gt gt 1 if carry 0x0001 CRC CRC 0xA001 Pascal Code for a CRC calculation PROCEDURE CALCRC var CRC word c char Var carry word I byte BEGIN CRC ord c AND 00FF Ford 0 To 7 Do Begin carry AND 0001 CRC CRC SHR 1 If carry 0001 Then CRC A001 End END CRC FFFF Page 19 of 34 Sevenstar For i 1 Length Message Do CALCRC CRC Message i Message Message chr CRC 256 MOD CRC div 256 1 256 chr CRC div 256
16. Sevenstar 008 8 008 8 Flow Accumulator Instruction Manual ai le KER EF CO bx ES Bl AF ik ht APR 5 BEIJING SEVENSTAR ELECTRONICS CO LTD Version April 2010 D08 8C D08 8CM Accumulator revision Author Date Description Revision Zhao Di 05 12 2005 Initial version 1 01 Zhao Di 03 06 2006 This version can make the function that one 1 02 master PC communicates with 16 D08 8C 8CM Accumulators comes true Zhao Di 03 15 2010 The program in D08 8C 8CM were modified to 2 01 make it more stable The command of reading instantaneous flow set point value was added 008 8 communication protocol Please see Appendix One for details Sevenstar A NOTE TO OUR CUSTOMERS Dear customer Thank you for purchasing SEVENSTAR D08 series Flow Readout Boxes This user manual is important when installing and doing maintenance Please keep it carefully We strongly recommend that you read this manual thoroughly before you starting to use the product This user manual introduces the important issues including the proper and safe use of the products And please notice the words and section with the Not in accordance with the user manual for the use of property caused by loss or personal injury SEVENSTAR may not be responsible If you require any additional information or assistant of Sevenstar 208 series Flow Readout Boxes Please feel free to contact your
17. d in 5 4 it has four submenus Key This key let users enter the menu and save the value they have set Key This key can increase the value of Full Scale and Address when you quickly press this Key one time the value will goes up 1 when you press this key and continue several seconds the value will goes up continuously This key can diminish the value of Full Scale and Address when you quickly press this Key one time the value will goes down 1 when you press this key and continue several seconds the value will goes down continuously 5 4 The submenus The D08 8CM has four submenus All the submenus can be accessed and displayed easily you can change from one submenu to another using the keys or return to the state of displaying instantaneous flow value at any time by pressing the SET key Submenul SET FULL SCALE To enter 1 press SET key and the display will read 1 Then you have four selections Press key to enter submenu 2 and the display will read 2 Press key to enter submenu 4 and the display will read 4 Press SET key again to return to the state of instantaneous flow display Press OK key to set the Full Scale The set sequence is as follows Page 25 of 34 Sevenstar At fist the last digit of Full Scale value will flash you can increase or diminish the last digit value by the key and key when the desired va
18. en CRC A001 End END CRC FFFF 1 Length Message Do CALCRC CRC Message i Message Message chr CRC 256 MOD CRC div 256 1 256 chr CRC div 256 Page 34 of 34 Sevenstar Beijing Sevenstar Qualiflow Electronic Equipment Manufacturing Co Ltd 008 Series Flow Readout Boxes Beijing Sevenstar Electronics Co Ltd Mass Flow Meter Subsidiary Co Ltd Address No 1 Jiuxiangiao East Rd Chaoyang District Beijing China P O BOX 3 741 Beijing China Post code 100015 Tel 86 10 64362939 86 10 64361831 8491 8315 86 10 64362923 64362939 Homepage http mfc sevenstar com cn E Mail mfcsales sevenstar com cn Shanghai Office Room 1916 Unicom International Tower NO 547 Tianmu West Road Zhabei District Shanghai 200070 China Tel 86 21 33030324 Fax 86 21 63533265 Shenzhen Office Room 712 Section B Qiche Tower No 45 Zhenhua Road Futian District Shenzhen China Zip code 518031 Tel 86 755 88290258 Fax 86 755 88294770 Description may be changed following improvements to product The information contained in this document is subject to change without notice If there is any mistake in this uses manual please feel free to contact us 2010 Beijing Seventar Electronics Co Ltd rights reserved
19. en you quickly press this Key one time the value will goes down 1 when you press this key and continue several seconds the value will goes down continuously AUTO Key MFC s valve defaults to Valve Drive when the power is connected This key can make MFC s valve reset to Valve Drive state when MFC s valve is in OFF or PURGE state Key This key is used to set MFC s valve state to OFF state Page 6 of 33 Sevenstar 5 4 The submenus The D08 8C has six submenus All the submenus can be accessed and displayed easily you can change from one submenu to another using the keys or return to the state of displaying instantaneous flow value at any time by pressing the SET key Submenul SET INSTANTANEOUS FLOW To enter 1 press SET key and the display will read 1 Then you have four selections Press key to enter submenu 2 and the display will read 2 Press key to enter submenu 6 and the display will read 6 Press SET key again to return to the state of instantaneous flow display Press OK key to set the instantaneous flow The setting sequence is as follows At fist the last digit of setpoint value will flash you can increase or diminish the last digit value by the key and when the desired value is displayed press the OK key and then the tens digit will flash allowing being updated in the same way
20. ew Figure 3 TIT TE OFF ng Sevenstar Huachuan Figure2 Front panel view of D08 8C Figure3 Rear panel view of D08 8C 45 Seriel communication connection Figure 4 Page 3 of 33 Sevenstar 1 6 TXD 2 7 B RXD 316 8 4190 9 SG SS i1 5 Figure4 9 pin Standard D Sub socket When you use one Master PC communicated with one D08 8C Accumulator we commend RS232 communication mode When you use one Master PC communicated with many 008 8 Accumulators the maximum is 16 we commend RS485 communication mode When you select RS232 communication mode Please connect pin 2 TXD pin 3 RXD and 5 SG showed in figure 4 to PC s standard RS232 serial port s corresponding pin 2 RXD pin 3 TXD and pin 5 Signal COM When you select RS485 communication mode Please connect pin 6 A pin 7 B showed in figure 4 to the Master PC s standard RS485 serial port s corresponding pin A pin B In fact this is the Half Duplex RS485 Communication Mode you should set every 8C Accumulator to the different address the Master PC can discern every 8C Accumulator by the different address in this mode you can use one Master PC communicate with 16 8C Accumulators if you want know more about the communication protocol please read the Appendix One 4 6 15pin Standard D Sub connection with MFC Page 4 of 33 Sevenstar 11 42 1 9 2 10 3 Power 4 Setpoi
21. he state of displaying instantaneous flow Submenu4 SET ADDRESS This function of submenu is identical to submenu1 the range of address is 0 255 NOTICE When 008 8 accumulator communicate with PC you should make sure that accumulator s address is match to the protocol data s address sent by Master PC If not communication does not work For the details see The Communication Protocal of D08 8C Flow Accumulator below Submenu5 PURGE When the displayed reading is 5 press the OK key once the display will read 51 Press the OK key again AUTO LBD will turn off and PURGE LBD will flash the MFC s valve will be set to the Valve Purge state NOTICE Page 8 of 33 Sevenstar When valve is in Purge state the displayed reading will overflow and flash indicating that the instantaneous flow measured value is far greater than the Full Scale value Submenu6 CUMULATE FLOW RESET TO ZERO When the displayed reading is 6 press the OK key once the display will read 61 Press the OK key again the cumulate flow will reset to zero and then will automatically return to the state of instantaneous flow display this process may take 1 5 seconds 5 5 SHUT DOWN Disconnected AC power the accumulator will turn off Cumulate flow value s SAFEGUARD FUNCTION when power is off The setpoint of instantaneous flow Flow Full Scale and Units will be saved at the time of power off When the power on the
22. lace LED displayer the displaying units are SCC Standard Milliliter or SL Standard Liter it also could be SL or KSL Standard Kiloliter viz The maximum cumulated flow could match to 999999 SL if MFM unit is SCCM the preliminary cumulated flow unit is SCC when cumulated value matched to 1000 SCC the cumulated flow unit will change to SL automatically If cumulated value exceeds the maximum the arithmometer will reset automatically and begin accumulating from zero If user used 100 SCCM MFM the minimum cumulated time could match to 166666 67 hours about 19 years Our Flow Accumulator is quite good at long time continuous accumulation circulate accumulation cumulated value radix point and unit automatic adjustment D08 8C Accumulator offers Serial Communication function it can communicate with master PC via Standard RS232 or RS485 Serial Communication Interface RS 232 RS 485 is switched by the slide switch S2 on circuit board Please refer to the Chapter 4 5 for more details of the serial communication Please refer to appendix one for more details of the communication protocol 4 INSTALLATION amp CONNECTION 41 Dimensions It used standard plastic chassis as showing in figure 1 Page 2 of 33 T2X T2 168 Figure1 Dimensions of D08 8C 4 2 Installation Tapping Dimensions 67 X67 mm 4 3 Installation Mode Standard Inlay Installation 4 4 Front panel view Figure 2 and rear panel vi
23. lue is displayed press the key and then the tens digit will flash allowing being updated in the same way So you can change the Full Scale value from the last digit to the first digit After that the radix point will flash and you can change the radix point s location by the key And then press OK key to save the Full Scale value At last press Set key to return to the state of displaying instantaneous flow NOTICE The Full Scale s radix point location will have a effect on the instantaneous flow it means the Full Scale and the instantaneous flow s radix point have the same location Submenu2 SET UNIT In this mode the displayed reading is 2 indicating submenu 2 Press the OK key it appears 21 in the display then use F keys to make SLM LBD or SCCM LBD turns on or off After that press OK to save the unit At last press Set key to return to the state of displaying instantaneous flow Submenu3 SET ADDRESS This function of submenu is identical to submenu1 the address s range is 0 255 NOTICE When D08 8CM accumulator communicate with PC you should make sure that accumulator s address is match to the protocol data s address sent by Master PC If not communication does not work For the details see The Communication Protocal of D08 8CM Flow Accumulator below Submenu4 CUMULATE FLOW RESET TO ZERO When the displayed reading is 4 press the OK key once the display will read 4
24. means 01 Address of the device here 1 05 Command number 00 18 Starting address 00 FF The meaning is Reset the cumulate flow value 00 8D CRC calculated Answer message from the Slave device The answer is identical to the request 2 4 Changing the Valve state Page 15 of 33 Sevenstar Request message from the Master PC 8 bytes 01 06 00 16 00 00 68 OE Valve OFF 01 06 00 16 00 80 69 AE Valve Control 01 06 00 16 00 FF 28 4E Valve PURGE which means 01 Address of the device here 1 06 Command here writing 1 word 00 16 Starting address 00 00 Valve OFF 00 80 Valve Control 00 FF Valve PURGE Last two bytes CRC calculated Answer message from the Slave device The answer is identical to the request 2 5 Set the setpoint value of instantaneous flow Request message from the Master PC 8 bytes 01 06 01 OA 1 2 CRCL CRCH which means 01 Address of the device here 1 06 Command here writing 1 word 01 0A Starting address 1 2 Setpoint value in hex 1 is the Hi byte 2 is the Lo byte NOTICE When you set the setpoint value you shouldn t be concerned about the location of radix point because the radix point s location is identical to the Full Scale s Examples Page 16 of 33 Sevenstar Data Radix point location Setpoint value 00 00 0 Decimal location 0 0 01 F4 500 Decimal location 50 0 02 EE 750 Decimal location
25. nto svog 11 7197 etpoint 07 5 12 15V VAIO Drive 13 d VDO 14 Common utput 07 P 5 15 o 8 GND 15 8 Figure 5 15 pin Standard D Sub connection with MFC It can be directly connected with MFC through D Sub by cable 4 7 220 power connection is showed in figure 3 For the sake of safety GND must be connected 5 OPERATION 5 1 Startup There is no power switch of Flow Accumulator it could be operated after external alternating current connecting 5 2 Initial State Valve Drive is default when you connect external alternating current the green Valve Drive LBD will light at the same time Full scale readout defaults to 100 08CCM communication address Page 5 of 33 Sevenstar defaults to 1 and cumulate flow unit defaults to SCC 5 3 Keys Definitions The D08 8C Accumulator is operated and configured by the six keys in the front panel The keys meaning is shown below SET Key This key is used to implementation functions under mentioned in 5 4 it has six submenus Key This key let users enter the menu and save the value they have set Key This key can increase the value of Full Scale Flow Setpoint and Address when you quickly press this Key one time the value will goes up 1 when you press this key and continue several seconds the value will goes up continuously This key can diminish the value of Full Scale Flow Setpoint and Address wh
26. s 1 bit Check bits none 2 DETAILED DATA FORMAT 2 1 Read flow accumulator s current state Request message from the Master PC 8 bytes 01 03 00 02 00 08 5 which means 01 Address of the device here 1 03 Reading command 00 02 Address to read here 0x0002 00 08 Number of word to read Here 8 words 16 bytes 5 CRC calculated Answer message from Slave device 01 03 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 CRCL CRCH which means 01 Address of the device here 1 03 Reading command 10 Number of bytes read here 16 bytes 1 4 Instantaneous flow value The data 00 09 denotes corresponding number 0 9 Page 31 of 34 Sevenstar The data 10 19 denotes corresponding number 0 9 OF denotes blank denotes denotes Transferred sequence is from low digit to high digit For example 1 4 00 10 09 OF denotes the instantaneous flow is 90 0 5 10 Cumulate flow value The Data definitions are the same as that of instantaneous flow value For example 5 10 05 13 04 02 OF OF denotes the cumulate flow is 243 5 11 14 Full Scale The Data definitions are the same as that of instantaneous flow value For example 11 14 00 10 00 01 denotes the Full Scale is 100 0 15 Units 00 denotes SCCM and SCC or SLM and SL 01 denotes SCCM and SL or SLM and KSL 11 denote
27. s SLM and SL or KSLM and KSL 16 Not defined CRCL CRCH CRC calculated 2 2 Reset the cumulate flow value to zero Request message from the Master PC 8 bytes 01 05 00 18 00 FF OD 8D which means 01 Address of the device here 1 05 Command number 00 18 Starting address 00 FF The meaning is Reset the cumulate flow value 00 8D CRC calculated Page 32 of 34 Sevenstar message from the Slave device The answer is identical to the request 3 CRC calculation algorithm The CRC is calculated from all the bytes of the message excepted the CRC itself by using a Cyclic redundancy check with the following algorithm Init CRC CRC SFFFF For each byte of the MODBUS message Do a XOR between the low byte of the CRC and the byte then put the result in the CRC Make a 1 byte right shift of the CRC and keep the carry bit Repeat 8 Do a between and A001 then put the result in CRC C code for a CRC calculation CRC 0xFFFF Page 33 of 34 Sevenstar for i 0 i lt length message 1 i CRC CRC message i 8 OxOOFF for j20 j 8 j carry CRC amp 0x0001 CRC CRC gt gt 1 if carry 0x0001 CRC CRC 0xA001 Pascal Code for a CRC calculation PROCEDURE CALCRC var CRC word c char Var carry word I byte BEGIN CRC ord c AND 00FF For d 0 To 7 Do Begin carry AND 0001 CRC CRC SHR 1 If carry 0001 Th
28. s the SET key once 1 will appear on the display indicating submenu1 is entered Press the key once to scroll the number the display will read 4 indicating submenu4 is entered Press the OK key once 41 will be displayed Press the OK key again and wait for 1 5 seconds the accumujlated value will be set to zero and exit TWO If you attempt to change the unit from SCCM to SLM follow the steps shown below 1 Press the SET key once 1 will appear on the display indicating submenu1 is entered then press the key once to display 2 2 Press the OK key once to display 21 3 Press the key once SCCM LBD will turn off and SLM LBD will turn on 4 Press the OK key once to save and return to submenu2 Page 28 of 34 Sevenstar 5 Press the SET key to exit 6 P Perform step 8 described in Example One 7 CAUTION 7 1 When voltage signal of flow is negative 00 0 will be displayed 7 2 Reference appendix 2 for more information about communication protocol 8 PRODUCTION SELECTION 8 1 selection TM Output Circuit Cases Display Power supply Other funtions voltage 1 Multi Multi 4 20mA 4 20mA RS232 Rack 85 4 20mA 4 20mA Flow Mini Desk channel Channel Channel 110 220 2 15 24 1 5V 1 5 RS485 Setpoint Type MFC MFM Ana Dig desk 265 0 10mA 0 10mA d Accumu Type style 1 1
29. se values will not be changed Specially the cumulate flow value will be saved every 30 seconds when the power on the cumulate flow matches to the last saved value 6 EXAMPLES ONE If you want to change the Full Scale value from 100 08CCM to 2000SCCM perform the following steps 1 Press the SET key once 1 will appear on the display increase it to 2 with the key 2 Press OK key to enter submenu2 unit digit 0 will flash 3 Press the OK key three times thousands digit 1 will flash allowing being updated by using key or key 4 Increment it to 2 with the key Page 9 of 33 Sevenstar 5 Press the OK key the current radix point location will be shown and flash 6 Press the key three times the radix point will extinguish 7 Press the key to save operation and return to submenu2 then depress the SET key to 8 exit 9 When you change the Full Scale you should reset the cumulate flow value to zero please following the steps shown below Press the SET key once 1 will appear on the display indicating submenu1 is entered Press the key once to scroll the number the display will read 6 indicating submenu6 is entered Press the OK key once 61 will be displayed Press the OK key again and wait for 1 5 seconds the accumujlated value will be set to zero and exit TWO If you attempt to change the unit from SCCM
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