Omega Speaker Systems VR200 Computer Monitor User Manual
Contents
1. 2 6 X3QNI range settings DEDE 65S 2 2 DI Digital Input eese 2 3 RED me oem ERIS 2 2 SCL Scaling sias tee 2 3 SKIP oss cies 2 2 SORT Square Root 2 4 PQ rinks M 2 2 VOLE 5 uites entere 2 2 O d Orders 2 6 ple lu tn EEN 2 7 MS P 2 5 waveform span rate TIME DIV 2 5 standard screen call 2 10 AAA A ee 2 13 SUMMET Ume rd 2 8 T E TS 2 6 terminiators ea REED UENIRE 2 2 time axis markings sese 2 10 time charts RE ERE EAR 4 1 trip level senges 2 7 U unit information channel selection sees 2 11 output format 5 1 na eno ee ems 3 5 request for output sseeeeeee 2 10 3 1 unit Settings oneri eain 2 5 W waveform display see 2 9 waveform span rafe 2 9 Winter TE 2 8 writing time axis markings sse 2 10 Index 2 Index for Command Reference A AK dec t eb m en 2 10 B BOL eeneg RUD 2 10 E ESC Ciara hit i e A eae 2 14 ESC Qiii itn iii lio 2 14 Stee de Ze pt tees 2 13 ESC epe eee 2 13 EN Lise iria 2 10 F EM c ehe onm bee t eee es 2 11 L E aet tee E bee te iss 2 11 LI ox sep cio UM 2 11 Bor 2 11 M MD aee dida 2 9 ME unn IHREN E E 2 12 MI iiit enero ibi 2 10 S DA suiit rd E EP et 2 4 Nem 2 8 SD sois e eto be RR 2 5 X pCC Backs 2 7 KE EE 2 7 N2. A B c D E CR LF One text Figure 1 5 Structure of Text The built in RS 422 A interface identifies each text by regarding the reception of a terminator as the end of the text See also Figure 1 6 Identifies text 1 Identifies text 2 Text 1 gt Text 2 SS Figure 1 6 Example of Two Texts Where Terminator Is CR LF 1 4 Data Configuration Note 1 4 3 Input Buffer The VR200 identifies an LF as the end of a text when receiving data and sends a CR and LF as the terminator when sending data As shown in the example in Figure 1 6 when a CR and LF are used as the terminator the CR is ignored Take care when communicating with a PC since some PCs may not send the LF character depending on the mode when the PRINT command etc is invoked The input buffer of the VR200 recorder is a rotary buffer The rotary buffer outputs a text on a first in first out basis while storing the data in turn The user must be aware of this when programming and take care to prevent the buffer from overflowing One merit of the rotary buffer is that it can flexibly cope with more than one text being sent contiguously because of the low loss in case of variable text length Start 1 Figure 1 7 Rotary Buffer 1 4 4 Buffer Overflow As described already the input buffer is necessary for data communication The capacity however is limited
3. omega com ZEOMEOXK http www omega com e mail info domega com VR200 RS 422A Communications Instruction Manual omega com BOMEGA OMEGAne t On Line Service Internet e mail http wwvomega com info omega com USA ISO 9001 Certified Canada Servicing North America One Omega Drive Box 4047 Stamford CT 06907 0047 Tel 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Tel 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance USA and Canada Mexico and Latin America Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA Tel 001 800 826 6342 FAX 001 203 359 7807 En Espa ol 001 203 359 7803 e mail espanol amp omega com Servicing Europe Postbus 8034 1180 LAAmstelveen The Netherlands Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in Benelux 0800 0993344 e mail nl omega com ul Rude armady 1868 733 01 Karvina Hranice Tel 420 69 6311899 FAX 420 69 6311114 Toll Free 0800 1 66342 e mail czech omega com 9 rue Denis Papin 78190 Trappes Tel 33 130 621 400 FAX 33 130 699 120 Toll Free in Fra
4. 1 1 AAA OT 1 1 1 2 Interface Terminal nena ts ri PERS 1 2 12 1 Terminal Assignment eR PEE RE ERR OPE ENEE 1 2 1 2 2 Cable Termination oe thee et ee e ates E teen 1 2 1 3 Communication Wiring stes eei een Dr He ete ipee Re ertet 1 3 L t Data Configuration iie a ra rise 1 4 1 4 1 Start stop Asynchronous Communication esee 1 4 A GE 1 4 L43 A O O 1 5 UE E ME CEET 1 5 1 5 Setting up the RS 422 A Communication Interface 1 6 Chapter 2 RECEIVING FUNCTIONS 2 1 General Rules for Commands 5 rete ite Re PURI EROR Ue Erde Dot e or Heres 2 1 2 2 Program Set Command egeo d etre DR ERE RE ii erbe pp dere 2 2 2 2 1 List of Program Set Commands sess nennen enne 2 2 2 2 20 Setting the Range and Scale e cete Ree eR ot ein 2 2 2 2 3 Setting Alarms aede de eaae dele E ENIM Gebr 2 4 2 44 Setting the Unit E 2 5 2 2 5 Setting the Waveform Span Rate TIME DIV sese 2 5 22 6 Setting the Clock ies ete Pee er e red Eee 2 5 2 2 7 Copying the Channel Settings 00 ee ee eeeesseseecaeeseecaecaeseceseesecesesseeeeeeseseasesaseneeags 2 5 2 2 8 Setting the Discrete ZONE Display sesseseeeeseeeeenee nennen 2 6 2 2 9 Setting the Partial Expanded Display sese 2 6 2 2 10 Setting the Scale Value Indication On Off DISP SCALE only for VR200 with style number 1 or lower eese nennen nennen nennen trente 2 6 2241 Setting the Tag eio NS 2 6 2 2 12
5. 256 bytes for a 4 channel model Thus in the receiver the buffer capacity may not be sufficient if a lot of data is sent in a short time causing some data to be dropped and adversely affecting the data communications buffer overflow To prevent buffer overflow confirm the status of the VR200 using the ESC S command immediately after a command has been sent from the PC Note A PC may not be able to send the ESC S command after having sent the LF or FM command After receiving the ESC S command the VR200 outputs its status to the PC This is done in the following sequence The VR200 first stores the ESC S command in the input buffer then this command is read from the buffer Consequently the VR200 outputs its status to the PC If the PC does not send the next command until it receives the VR200 status the next command will be always received without fail since there must be a space in the input buffer of the VR200 y r E 2 o m d A S gt m D D 9 m 1 5 Setting up the RS 422 A Communication Interface SETUP PROCEDURE 1 2 Unpack the VR200 recorder While pressing the Lal key turn on the power to enter the SETUP mode Use the A W keys to select the display SETUP OPT then press the Lal key Use the AT W keys to select the display OPT COMM then press the da key Use the AJ VI keys to select the address of the RS 422 A interface of the recorder from 01 to 16 then pre
6. Boundary value lower display span 1 to upper display span 1 Enter a numeric value excluding the decimal point Note The decimal point position depends on the range or scaling setting See also the input range table on Page 2 3 Example SP01 ON 25 0000 This example results in partial expanded display for channel 1 where the value at 25 of the display scale corresponds with 0 000V 2 2 10 Setting the Scale Value Indication On Off DISP_SCALE only for VR200 with style number 1 or lower See Section 4 7 3 of the instruction manual for the VR200 Format SKpl p2 pl Channel number CC p2 Whether to display the scale values Enter ON or OFF 2 2 11 Setting the Tag See Section 4 7 4 of the instruction manual for the VR200 Format STp1 p2 pl Channel number CC for which you want to set a tag number p2 Tag number up to 7 characters Example ST01 TAG1 This example sets the tag of channel to TAG1 2 2 Program Set Commands 2 2 12 Setting the Trip Level See Section 4 7 5 of the instruction manual for the VR200 Format SLpl p2 p3 pl Trip level number VR100 and VR200 with style number 1 or lower 1 for level 1 red line 2 for level 2 yellow line VR200 with style number 2 higher 1to6 p2 Whether to display Enter ON or OFF p3 Level 0 to 100 96 p4 Color RED GRN BLU BRN PRP L BLU ORG GRY W RED only for VR200 with style number 2 or hig
7. 10 3 1 message writing eshesi eene eterne 2 12 O open Commande 2 14 output data Tomat 3 2 output data selection esses 2 10 P NA 2 2 parameter set values channel selection sese 2 11 output format ennt retten 3 4 request for output oe eee eens 2 10 3 1 partial expanded display ssss 2 6 program examples oooooocccononcoccconcconnnconncnnnnonnncnnncno 7 1 R In EE 2 2 resetting the error status 6 3 RS 422 A interface specifications n e repens 1 1 communication terminal 2 0 0 0 ee eee 1 2 data configuration esee 1 4 SEE erea E E AEE E E E 1 6 A p E EP ei diene se 1 3 S Scale on off setting of indication whether to display Vane tue ET 2 2 2 6 3 4 donna E 2 2 sequence of byte output ooooonccoccconinncconinnconncnnccnno 2 10 SET configuration file A te ROTER DEOR HERR 2 11 loading i nr ipee ee 2 11 set commands szesz d eere deis 2 2 settings alarms oe e temo ieri 2 4 clock niet eme 2 5 CODY anter vre a tai 2 5 data file names eee 2 7 discrete display ZONE sess 2 6 display Spanon pia 2 2 floppy disk formats oooooccnnccnonccooccnocnnonnnnnncnnnoss 2 7 Input PAN GES ee dond eeh citadas 4 1 LCD brightness etes 2 8 LCD SAVER ien isa 2 8 message do 2 9 message MENU ueteres tert e leb hostia dass 2 9 numbers of divisions esee 2 9 partial expanded display
8. ASCII Code Table APPENDIX Appendix 1 ASCII Code Table Upper byte lol falsfelsfolrfjsfofalofefojelr Lower byte Lp C n XIaN3ddV Note Select the degree symbol of C or F as follows a In case of measured values output TSO and unit and decimal point output TS2 space 20H b In case of setting parameter output TS1 EIH c In case of recorder setting EIH Do not use any code whose corresponding character is not shown in the table blanks Use 20H for a space IM 4N1A1 11E App 1 Appendix 2 File Naming Rules App 2 File Name Length Data file Up to seven alphanumeric characters Configuration parameter settings file Up to eight alphanumeric characters Lowercase Uppercase Letters All lowercase letters are processed as uppercase letters for file names based on the rules of MS DOS System reserved File Names The following system reserved file names cannot be used for a user defined file name CON PRN AUX AUX1 AUX2 NUL CLOCK Prohibited Characters The following characters cannot be used e Any character not included in the 7 bit ASCII codes e Y back slash question mark asterisk period lt gt inequality signs quotation mark equals sign bracket colon semicolon plus sign slash vertical bar Y yen mark space IM 4N1A1 11E INDEX A alarms acknowledgment ooococcn
9. Setting the Trip Level ecce teo bm ete Aiea ahaa 2 7 2 2 13 Setting the Floppy Disk Format Type FD only for VR202 VR204 2 7 2 2 14 Setting the Data File Name FILE eeeeeseeeeeeeeeeeeeee eene enne enne ene 2 7 2 2 15 Setting the LCD Brightness and LCD Saver OU CD 2 8 2 2 16 Setting the Summer Winter Time DST 2 8 2 2 17 Message setting MESSAGE only for the VR 200 with style number 2 or higher 2 8 2 2 18 Setting of the Number of Divisions of the Bar Graph Scale BAR SCALE DIV for the VR 200 with style number 2 or higher 2 8 2 2 19 ON OFF Setting of the Waveform Span Rate Display ON OFF Setting of the Message Menu SPECIAL for the VR 200 with style number 2 or higher 2 8 2 2 20 Waveform Display and Scale Display Setting DISP WAVE for the VR 200 with style number 2 or higher eee eects 2 9 2 3 Program Control Commande essere nennen nennen treten a trenes 2 10 2 3 1 List of Program Control Commande esee enne 2 10 2 3 2 Standard Screen Call eiut ER te eH ipe eee 2 10 2 3 3 Alarm Acknowledge et ee prete te reete cioe einn 2 10 2 3 4 Initializing the Data Memory sees enne rn non eene 2 10 2 3 5 Writing a Time axis Mark and Raising an Event Trigger eese 2 10 2 3 6 Designating the Sequence of Byte Output for Binary Output 2 10 2 3 7
10. VR200 and Write to Disk 7 5 Program to Output Measured Data in Binary Code from VR200 and Write to Disk 100 NK kk kk kk KK KK CK CK CK KK KC KK IK KK KK KK KG KK Kk kk ko ko 110 RS422A Example Program for IBM PC UE 120 Vk xk kk T30 Www To input and save measured data e 140 cow ASCII code e 150 Vk xk kk 160 NK KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK TTO s 180 Baud rate 1200 Stop bit 1 bit 190 Parity none Control OFF OFF 200 Data length 8 bits Others LF is sent automatically 210 Vk 220 230 OPEN COM1 1200 N 8 1 LF AS 1 240 OPEN TEST DAT FOR OUTPUT AS 42 250 260 PRINT 1 CHR 27 O 01 270 PRINT 1 TSO 280 PRINT 1 BO1 290 300 PRINT 41 CHRS 27 4 T 310 PRINT 1 FM1 01 04 320 DS INPUTS 2 1 330 PRINT 42 D 340 A CVI MIDS DS 1 2 350 PRINT A 360 DS INPUTS A 1 N 370 PRINT 2 DS 3 380 PRINT ASC MIDS D 1 1 PRINT 8 390 PRINT ASC MIDS D 2 1 PRINT x 400 PRINT ASC MIDS D 3 1 PRINT 410 PRINT ASC MIDS D 4 1 PRINT m 420 PRINT ASC MIDS D 5 1 PRINT x 430 PRINT ASC MIDS D 6 1 440 m 450 L 0 m 460 FOR I 7 TO A 470 PRINT RIGHTS 0 HEXS ASC MIDS D 1 1 2 480 L L 1 490 IF L 5 THEN L 0 PRINT 500 NEXT I 510 3 520 PRINT 1 CHRS 27 C 01 530 CLOSE 540 END Appendix 1
11. control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENT ATIONS OF ANY KIND WHATSOEVER EXPRESS OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FIT NESS FOR A P ARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this or der whether based on contract war ranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear inst
12. requested data will be output SNOILONNA 9NLLLIWSNVHL Sequence see also Sections 2 3 7 and 2 3 8 TSO ESC T FMx xx xx Read all data specified until the end FMx xx xx Read all data specified until the end Do not send the LF command until the reply data have been read completely after sending the FM command After sending the ESC T command data will be stored in a buffer and the system will wait for FM or LF commands regardless of whether the ESC T command is sent without executing an FM or LF command after the last invocation of the ESC T command or whether data have not yet been sent completely The ASCII code for ESC is 1B in hexadecimal notation After sending the TS1 or TS2 and the ESC T command to read the data you must specify the output channel using the LF command It is possible after reading the data completely to read data for other channels by sending another LF command Sequence see also Sections 2 3 7 and 2 3 9 TS1 ESC T LFxx xx Read all data specified until the end LFxx xx Read all data specified until the end Note Do not send the LF command until the reply data have been read completely after sending the FM command After sending the ESC T command data will be stored in the buffer and the system will wait for FM or LF commands regard less of whether the ESC T command is sent without executing an FM or LF command after the last invocation of the ESC T c
13. the main power supply is turned off 1 4 Data Configuration The signal is determined by the potentials of RS 422 A terminals A and B as follows y r E 2 o m d A S gt m D D 9 m If A c B then signal 1 If A gt B then signal 0 1 4 1 Start stop Asynchronous Communication The built in RS 422 A interface communicates based on the start stop asynchronous system The start stop system first adds the start bit to the head and then in turn adds the data bits 7 or 8 bits parity bit and stop bit s to every transmission of each character see Figure 1 4 Define the address of the RS 422 A interface built in the VR200 recorder baud rate data length parity bit and stop bit s in the SETUP mode on the VR200 recorder The start bit is automatically added and thus need not be set Line released due to Idle status of the idle status broken the line One character gt line or continued by the start bit of the next Data bits data solid line gt 7 or 8 bits 4 I I I I MEINEK E ICA ESEI ERT seen 7 0 lt gt Start bit Parity bit odd 1or2 even or none 3 Figure 1 4 Configuration of Each Character in Start stop System 1 4 2 Text Each communication data usually contains more than one character to which a terminator character is appended This is referred to as a text See also Figure 1 5 One character Terminator
14. 0 to 752 0 F d 200 0 to 550 0 C 328 0 to 1112 0 F PT 200 0 to 600 0 C 328 0 to 1022 0 F CUI to CU6 200 0 to 300 0 C 328 0 to 1112 0 F CU25 200 0 to 300 0 C 328 0 to 1022 0 F SNOILONNA 9NIAIHO3H C Allowed when the N1 option Cult Cu25 is equipped DI Digital Input Format SRp1 mode p2 pl Channel number CC mode DI digital input p2 Select the signal type from LEVL level or CONT contact Example SR01 DI CONT SCL Scaling Format SRp1 mode p2 p3 p4 p5 p6 p7 p8 pl Channel number CC mode SCL p2 Input type VOLT TC or RTD p3 Range p4 Low limit value of the display span LOWER SPAN Enter 5 digits excluding the decimal point and the or sign p5 High limit value of the display span UPPER SPAN Enter 5 digits excluding the decimal point and the or sign p6 Lower scale limit SCL LOWER Enter 6 digits excluding the decimal point and the or sign p7 Upper scale limit SCL UPPER Enter 6 digits excluding the decimal point and the or sign ps Decimal point position of scaling value 0 to 4 which stands for the number of digits after the decimal point SQRT Square Root Example SR01 SCL VOLT 20mV 0 1000 1000 1000 1 This example performs 0 to 10 mV input in channel 01 and is scaled from 100 0 to 100 0 Note An error will occur if one or two of p5 p6 and p7 are o
15. 04 300 INE INPUT EI D 310 IF LEFTS DS 1 LFS THEN DS MIDS DS 2 Remove LF of head string 320 PRINT DS 330 PRINT 42 D 340 IF MID D 2 1 E THEN GOTO 300 350 360 PRINT 1 CHRS 27 C 01 D 370 CLOSE 380 E SI Id vx Wvdoodud Z 7 4 Program to Output Measured Data in ASCII Code from VR200 and Write to Disk 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 Others LF is sent automatically xk xk kk NKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK RS422A Example Program for IBM PC Vk xk nd To input and save measured data YER ASCII code Nx NKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Vk xk Baud rate 1200 Stop bit 1 bit xx Parity none Control OFF OFF xx Data length 8 bits Vk xk OPEN COM1 1200 N 8 1 LF AS 1 OPEN TEST DAT FOR OUTPUT AS 2 LFS CHRS amp HA Line feed PRINT 1 CHR 27 70 01 PRINT 1 TSO PRINT 1 CHR 27 T PRINT 41 FM0 01 04 LINE INPUT 1 DS IF LEFTS D 1 LFS THEN DS MIDS DS 2 Remove LF of head string PRINT DS PRINT 2 D IF MIDS D 2 1 lt gt E THEN GOTO 310 PRINT 1 CHRS 27 C 01 CLOSE END 7 5 Program to Output Measured Data in Bainary Code from
16. ART Chapter 5 INITIAL STATUS Chapter 6 ERRORS DURING RS 422 A OUTPUT 6 1 Preventing EITO S insistas EN 6 1 6 2 How to Request Error Message Output 6 2 6 3 Timing of Resetting the Error Status sees nennen nennen treten rennen 6 3 Chapter 7 PROGRAM EXAMPLES 7 Program to Read Parameter Settings from VR200 Display Them on Screen and Write Them to Disk sess nee nre tenente ene 7 1 7 2 Program to Read Parameter Setting from Disk Display Them on Screen and Set Up VR200 ius ips IPSE rr 7 2 7 3 Program to Read Unit and Decimal Point Information from R200 Display It on Screen and Write It to Disk ooonoonncnninocionononcnnconnconcnnncononononn conc ran crac cnn crono nacion nono 7 3 7 4 Program to Output Measured Data in ASCII Code from VR200 and Write to Disk caian dies 7 4 7 5 Program to Output Measured Data in Binary Code from VR200 and Write to Disk csi das e mA am he p ee RR te tee e eds 7 5 APPENDIX Appendix 1 ASCII Code Table ss esz 2 en e poe et EE Ret EES App 1 Appendix 2 File Naming RUES rererere eatit deea a eaat e Ea iea a E Tea aia daaa App 2 INDEX E PERRA PASE KLECI RESTE MAT RIIT RAO WEI 1 1 Interface Specifications Chapter 1 INSTALLING THE RS 422 A INTERFACE The option C3 provides the VR200 view recorder with the EIA Electronic Industries Association RS 422 A communication interface to allow a host computer to do the following e read measured values read p
17. S Ck Ck Pk Sk S x AAA kx ko X NX Xx XE Baud rate 1200 Stop bit 1 bit Vk xk Parity none Control OFF OFF NOR Data length 8 bits Others LF is sent automatically NX Xx OPEN COM1 1200 N 8 1 LF AS 1 OPEN TEST DAT FOR INPUT AS 42 PRINT 41 CHRS 27 O 01 LINE INPUT 2 D PRINT D IF LEFTS DS 2 EN THEN GOTO 340 Watch data end PRINT 1 D PRINT 1 CHRS 27 S For protect receive buffer overflow LINE INPUT 1 D PRINT DS GOTO 260 PRINT 1 CHRS 27 C 01 CLOSE END 7 3 Program to Read Unit and Decimal point Information from VR200 Display It on Screen and Write It to Disk 7 3 Program to Read Unit and Decimal Point Information from VR200 Display It on Screen and Write It to Disk 100 NK Ck Ck Kk Ck Ck CK C CK CI CK C CC CK CC CC CK C CC CK CC Ck I KK KK KK Mk ko ko ko ko 110 RS422A Example Program for IBM PC 120 Vk xk kk T30 Sa To input and save point and unit information 140 Vk xk kk 150 NK KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK KKK 160 170 Baud rate 1200 Stop bit 1 bit 180 Parity none Control OFF OFF 190 Data length 8 bits Others LF is sent automatically 200 34x 210 220 OPEN COM1 1200 N 8 1 LF AS 1 230 OPEN TEST DAT FOR OUTPUT AS 2 240 250 FS CHRS amp HA Line feed OAH 260 PRINT 1 CHR 27 0O 01 270 PRINT 1 TS2 280 PRINT 1 CHRS 27 4 T 290 PRINT 1 LF01
18. S request it saves it in the buffer memory This request is retrieved from the buffer memory and after acknowledging the command the recorder sends the status to the PC Make sure not to send any other commands between sending the ESC S command to the recorder and reading the status from the recorder This ensures that commands can be received by the recorder since its input buffer is empty Example 10 OPEN COMI N81N AS 1 20 5 F 30 PRINT 1 CHR amp H1B O 01 40 PRINT 1 SR01 VOLT 20mvV 2000 2000 50 GOSUB HANDSHAKE 60 PRINT 1 PS0 70 GOSUB HANDSHAKE 80 PRINT 1 UD0 90 PRINT 1 CHRS 6 H1B C 01 LNdLNO v ccr sd ONIYNG SHOHHH 9 100 CLOSE 110 END 120 HANDSHAKE 130 PRINT 41 CHR amp HI1B S sending ESC S 140 LINE INPUT 1 STSS reading status 150 RETURN The command length of the input buffer of the VR200 is 256 bytes for a 4 channel model 6 2 How to Request Error Message Output If an error occurs when the host sends a setting or control command to a VR200 recorder via the RS 422 A communication interface the host can request the VR200 to output an error message 1 Error message error number request command ESC S C Lj 1B H 53 H 2 Error message sent from VR200 in reply to ESC S command Output format ERxx C L xx 00 to 10 See Section 2 4 2 for details Note An error message is output only when the ESC S command is sent If the ESC S comman
19. Selecting the Output Data notte ire eere sss s 2 11 2 3 8 Selecting the Output Format for Measured Data sse 2 11 2 3 9 Selecting Channels for Request for Setting Parameters Unit Decimal Point Information esee eren rennen nennen nee 2 11 2 3 10 Loading the SET Configuration Plein 2 11 2 3 11 Saving the SET Configuration blei 2 11 2 3 12 Message Writing for the VR 200 with style number 2 or higher 2 12 2 3 13 Display Switching for the VR 200 with style number 2 or higher 2 12 CONTENTS ZA E UE 2 13 2 44 Execution of Trigger ie RR dr is e 2 13 24 2 Status O tput eate oed teagan ces ete e ORPHEO De rep 2 13 24 3 Open Conimand 5 eno Secteur uu e het o ts 2 14 2 4 44 Close Commandes keete Eet ep Genre repre 2 14 Chapter 3 TRANSMITTING FUNCTIONS 3 1 Introduction to Output Data Formats enne enne eneen er enr en nennen nennen 3 1 BV net T dune u Pret 3 1 3 1 2 Island TSZ onov erre PUE Ud eu 3 1 3 2 Output Data Formats sinia te oe PO E a t tr P PEOR ERR REESE ERE set t 3 2 3 2 1 Output Format of Measured Values in ASCII Mode 3 2 3 2 2 Output Format of Measured Values in Binary Mode A 3 3 3 2 3 Output Format of Parameter Settings oonononnnnnionnnonionnonnconocnncononononnnonnnnn crac cnn crn corn ncn conos 3 4 3 2 4 Output Format of Unit and Decimal Point Information eee 3 5 Chapter 4 TIME CH
20. allation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUEST S INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY_ RETURNS please have the FOR NON WARRANTY_ REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase Order number under which the prod 1 Purchase Order number to cover the COST uct was PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number of the product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relativ
21. and LI 2 13 Note A syntax error status is set when detected and reset when read by the host PC On the contrary the Memory End status still reflects the current status even after being read Example ESC S Status of the 1 syntax error Syntax error status in output buffer For instance sending ER02 resets the syntax error status even though the error still exists The ESC S command may not be returned correctly if it is sent immediately after sending the FM or LF command After receiving the FM or LF command the VR100 VR200 recorder starts sending the data and thus cannot respond to the ESC S command The ESC S command can be returned correctly if it is sent after reading all the data sent from the VR100 VR200 recorder To invoke the ESC S command send the character S following 1B 1 byte hexadecimal Make sure to send the terminator CR and LF following ESC S 2 4 3 Open Command ESC 0 O O C L where is the address ASCII code 01 to 16 The open command addresses a communication destination when a host PC is connected to more than one up to 15 VR200 recorders This command always controls non addressed devices Before issuing an open command make sure that the previous address device is closed by a close command All commands except for the execution of the trigger are valid for the addressed after ESC O de
22. and the key trigger is set to ON 2 3 6 Designating the Seguence of Byte Output for Binary Output Command Function BOO Designates that the measured values are to be output from the most significant byte see Page 3 4 BO1 Designates that the measured values are to be output from the least significant byte see Page 3 4 2 10 2 3 Program Control Commands 2 3 7 Selecting the Output Data Command Function TSO Requests the measured values TS1 Requests the parameter set values TS2 Requests unit and decimal point information 2 3 8 Selecting the Output Format for Measured Data Command Function FMO p1 p2 Selects the channels for which measured values are to be output in ASCII format N FM1 pl p2 Selects the channels for which measured values are to be output in D binary format a m Where pl is the channel number CC from which the output should start and p2 is the S channel number CC at which the output should end Q n E NOT EE If you designate the output to be measured values invoking the TSO command specify the data format by this FM command 9 2 3 9 Selecting Channels for Request for Setting Parameters Unit Decimal Point Information Command Function LF p1 p2 Selects channels for which parameter set values after the invoking the TS1 command or for which engineering unit and decimal point information is to be output after invoking the TS2 command Where p1 is the channel number CC from which
23. arameters and set parameters However this interface does not allow the host computer to operate the power switch of the VR100VR200 nor control the parameters which can only be set in the SETUP mode on the VR100VR200 1 1 Interface Specifications Communication System Transmission speed Start bit Stop bit Parity Word length Electrical signal characteristics Communication distance 4 wire half duplex multi drop connection 1 n 1 host computer and n VR200 view recorders n 1 to 16 Start stop asynchronous system 1200 2400 4800 or 9600 bits s 1 bit 1 or 2 bits Even odd or none 7 or 8 bits EIA standard electrical characteristics for the interchange signals and associated circuitry Functional isolation Up to 500 meters between an isolated line converter or an isolated output computer and a VR200 recorder ms y r E 2 o m d A S gt m D D 9 m 1 2 Interface Terminal 1 2 1 Terminal Assignment SDA SDB SG G signal ground Mal felt Tel Es ETET EJ SESS CR GE OEI ca E MOTA us DDD SE 20M Eas ENE E e RDA RDB FGG frame ground Connect RD to TD of the host computer Connect SD to RD of the host computer Option terminal Indication of RS 422 A terminals Figure 1 1 Terminal Assignment 1 2 2 Cable Termination Shield potential RS 422 A terminals Terminal screws ISO M4 6 mm long Use crimp on lugs for 4 mm scr
24. ceived then e measured data when TS0 is specified sampled at the most recent scan e parameter settings when TS1 is specified or e units and decimal point information when TS2 is specified are stored in the buffer Data output will start only after the output format has been designated using the FM or LF command For details on actual use and the command output sequence see Section 3 1 Introduction to Output Data Formats and Section 3 2 Output Data Formats To invoke the ESC T command send the character T following 1B 1 byte hexadecimal SNOILONNA 9NIAIHO3H C The trigger is effective for a device which has not yet been opened Make sure to send the terminator CR and LF following ESC T 2 4 2 Status Output ESC S C L Outputs status If the ESC S command is received the statuses of the commands which have been sent so far are output Output statuses range from ER00 to ER10 The respective contents are shown in the figure and table below 7 6 5 4 3 2 1 0 0 0 0 0 0 0 Syntax error Memory end Cause of the ENABLE status Status Output Syntax Error Memory End ER 00 CrLr ER 02 CrLr ER 08 CrLr ER 10 CrLr Transmission of any of the following commands while saving the data to a floppy disk causes a syntax error Set commands SR SA SN SD SY SW SZ SP ST SF SL SG and SC Some control commands MI LO
25. d request for error message is sent to a VR200 while data is being output due to the receipt of a TSO TS1 or TS2 command a communication error may occur When data is exchanged between the host and a VR200 via RS 422 A communication it is possible to monitor the errors during each transmission and reception by assembling the ESC S commands in the communication program in the host computer 6 3 Timing of Resetting the Error Status 6 3 Timing of Resetting the Error Status When the VR200 receives an ESC S command after an error occurred the recorder outputs the corresponding error message and the error status is reset at the same time Error occurred mun Error status is reset S Error message request P dd ESC S Error message is output LNdLNO v zcr sd DNIYNA SHOHHH 9 7 1 Program to Read Parameter Setting from VR200 Display Them on Screen and Write Them to Disk Chapter 7 PROGRAM EXAMPLES Examples of application programs for an IBM PC are shown below Environment Computer used IBM PC Mode Character length 8 bits parity none stop bit 1 baud rate 1200 bps Handshake None The file name used for writing to and reading from the floppy disk is TEST DAT 7 1 Program to Read Parameter Settings from VR200 Display Them on Screen and Write Them to Disk 00 NKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 110 RS422A Example Pro
26. e to the product OMEGASs policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1998 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied repro duced translated or reduced to any electronic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course TEMPERATURE A Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies Ihr Wire Thermocouple RTD amp Thermistor Ich Calibrators amp Ice Point References Ich Recorders Controllers amp Process Monitors Infrared Pyrometers PRESSURE STRAIN AND FORCE hr Transducers amp Strain Gauges Ip Load Cells amp Pressure Gauges Ip Displacement Transducers 4 Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers A Air Velocity Indicators 4 Turbine Paddlewheel Systems Ip Totalizers amp Batch Controllers pH CONDUCTIVITY M4 pH Electrodes Testers amp Accessories 4 Benchtop Laboratory Meters 4 Controllers Calibrators Simulators amp Pumps 4 Industrial pH amp Conductivity Equipment DATA ACQUISITION Ip Data Acquisition amp Engineeri
27. eference channel p2 Specification of the range For mode VOLT 20mV 60mV 200mV 2V 6V or 20V For mode TC R S B K E J T N W L or U For mode RTD JPT or PT or optionally CU1 CU2 CU3 CU4 CUS CU6 or CU25 For mode DELT the reference channel number Note that the reference channel number must be lower than the channel number specified in pl p3 Enter the low limit value of the display span within 5 digits excluding the decimal point and the or sign p4 Enter the high limit value of the display span within 5 digits excluding the decimal point and the or sign 2 2 Program Set Commands Input range table Measurement range 20 00 to 20 00 mV 60 00 to 60 00 mV 200 0 to 200 0 mV 2 000 to 2 000 V 6 000 to 6 000 V 20 00 to 20 00 V Input type 20mV 20 mV 60 mV 60 mV 200 mV 200 mV 2V 2V 6V 6V 20 V 20 V DC Voltage Measurement range Measurement range Input type C 0 0 to 1760 0 C F 32 to 3200 F 0 0 to 1760 0 C 32 to 3200 F 0 0 to 1820 0 C 32 to 3308 F 200 0 to 1370 0 C 328 0 to 2498 0 F 200 0 to 800 0 C 328 0 to 1472 0 F 200 0 to 1100 0 C 328 0 to 2012 0 F 200 0 to 400 0 C 328 0 to 752 0 F 200 0 to 900 0 C 328 0 to 1652 0 F 200 0 to 400 0 C 328 0 to 752 0 F 0 0 to 1300 0 C 32 to 2372 F z ao ri e lt m u jo yw 0 0 to 2315 0 C 328
28. ews with insulation sleeves for the leadwire ends Figure 1 2 Cable Termination WARNING To prevent an electric shock ensure that the main power supply is turned off 1 3 Communication Wiring 1 3 Communication Wiring Tf the host PC is equipped with an RS 422 A interface the VR200 can be connected directly If the host PC is equipped with only an RS 232 C interface the VR200 can be connected using a converter SHARP model Z 101HE or equivalent Shown below are two wiring examples which are the same except for the case shielding If there will be a connection between different panels wiring method b should be used Personal computer Converter Z 101HE RS 232 C SHARP a VR100 VR200 Personal Converter computer RS 232 C b VR100 VR200 R in the figure denotes the terminal resistance R 100W 1 2 W or greater adjust according to the impedance The converter shown above is the inverter type The and polarity depends on the type of converter Figure 1 3 Communication Wiring In case a use two pairs of 24 AWG minimum twisted shielded cables or the equivalent In case b use three pairs of 24 AWG minimum twisted shielded cables or the equivalent The extra pair is used for SG in case b Characteristic impedance 100 Q capacitance 50 pF m Keep the terminated unshielded section to a minimum and clear of the VR200 recorder ground line WARNING To prevent an electric shock ensure that
29. gram for IBM PC DR 120 Mx k k 130 S To input and save parameter settings ia 140 NM xx 50 NK kk Ck kk kk KK KK CK CK CK KK CK KC KK KK KK KK KK KK KG KK KG kk ko kk 160 L70 REX Baud rate 1200 Stop bit 1 bit 180 Parity none Control OFF OFF 190 Www Data length 8 bits Others LF is sent automatically 200 Yvxw 210r 3 220 OPEN COM1 1200 N 8 1 LF AS 1 i 230 OPEN TEST DAT FOR OUTPUT AS 42 x 240 3 250 LFS CHRS amp HA Line feed OAH o 260 PRINT 1 CHRS 27 O 01 D 270 PRINT 1 TS1 280 PRINT 1 CHRS 27 T A 290 PRINT 1 LF01 04 300 LINE INPUT 1 D m 310 IF LEFTS DS 1 LFS THEN DS MIDS DS 2 Remove LF of head string m 320 PRINT D 330 PRINT 42 D 340 IF LEFTS DS 2 lt gt EN THEN GOTO 300 350 360 PRINT 1 CHR 27 C 01 370 CLOSE 380 END 7 2 Program to Read Parameter Settings from Disk Display Them on Screen and Set up VR200 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 kk kk kk NK Ck Ck CK C CC C CK KKK KKK KKK KKK KK KKK KKK KKK KKK A Ck CK CK CI AAA AAA KA A AAA kx ko x RS422A Example Program for IBM PC Nx Xx VEX To read setting information Nx Xx NK KKKKKKKKKKK CI CIC CC EE CK CK CK CIC KKE CK CK CK CI CIC CC CC CK CK CI C
30. her Example SL1 ON 70 RED This example sets the red trip level line to be displayed at 70 2 2 13 Setting the Floppy Disk Format Type FD only for VR104 VR202 VR204 See Section 5 1 of the instruction manual for the VR200 SNOLLINNA 9NIAIHO3H C Format SFp1 pl 1 44M for 1 44 MB 2HD or 1 2M for 1 2 MB 2HD only if you use the Japanese version software with an NEC PC 9801 series PC Example SF1 44M This example defines that floppy disks will be formatted as 1 44 MB 2HD If your model has 3M optioin the format type of the flopyy disk must be fixed to 1 44MB 2 2 14 Setting the Data File Name FILE See Section 5 2 of the instruction manual for the VR200 Format SGpl p2 p3 p4 pl Enter the file comment in up to 32 characters p2 Specify the method of setting the file names DATE for using the names set automatically SET for using the user defined names AUTO for automatically incrementing the file number p3 Name of the event file s up to seven characters The entry is invalid when p2 is set to DATE When p2 is set to AUTO enter the desired three characters for the second to fourth characters of each file name p4 Name of the display data file s up to seven characters The entry is invalid when p2 is set to DATE When p2 is set to AUTO enter the three digit serial number which will be set to the fifth to seventh characters of each file name Examp
31. is chapter describes the program set commands and program control commands Remember first to open a device by invoking the ESC O command before the set or control commands can be sent 2 1 General Rules for Commands A command is represented by ASCII codes and consists of an identifier parameters delimiters and a terminator Example SRO1 VOLT 20 mV 0 10000 terminator Parameters Identifier Identifier Defined by two alphabetical capital letters Parameters Parameters must be separated by a delimiter comma e Numeric data are displayed as integers e g 20 240 When parameters are numeric the effective setting ranges depend on these parameters Spaces preceding and following a parameter and spaces within a parameter are ignored Spaces within a parameter specified by ASCII characters engineering units tags and messages are valid Parameters which do not need to be changed do not need to be specified E g the command SRO1 20mV leaves the mode unchanged A string of delimiters at the end of the command parameter string may be omitted see the example below Example The last four commas of SRO1 VOLT can be omitted The lengths of the following parameters are fixed If the length differs a syntax error occurs Date and time YY MM DD 8 characters HH MM SS 8 characters Channel CC 2 characters For example channel 1 must be entered as 0 Ter
32. isions 4 to 12 Example SH03 7 2 2 19 ON OFF Setting of the Waveform Span Rate Display ON OFF Setting of the Message Menu SPECIAL for the VR 200 with style number 2 or higher for VR200 only see section 4 10 in the instruction manual Format SXpl p2 pl Turn ON OFF the waveform span rate display on the trend display screen p2 Turn ON OFF the message writing menu in the operation mode Example SXON OFF 2 2 Program Set Commands If your model has 3M option add the parameter p3 p3 Select the methods when saving measurement data to the floppy disk ALL default save all measurement data from the VR200 internal memory UNSAVED Save only the meansurement data newly loaded to the VR200 internal memory after the last time you saved to the floppy disk 2 20 Waveform Display and Scale Display Setting DISP WAVE for the VR 200 with style number 2 or higher see section 4 7 3 in the instruction manual Format MDpl p2 p3 pl Channel number CC p2 Turn ON OFF the waveform display p3 Turn ON OFF the scale display Example MD02 ON ON SNOILONNA 9NIAIHO3H C 2 3 Program Control Commands 2 3 1 List of Program Control Commands Command Type Command Function Returns the screen to the standard screen Acknowledges the alarm s Initializes the data memory Writes a time axis mark or raises a manual trigger Specifies the bit sequence in bytes for binary output Control Specifies which data val
33. j p 2 8 KE Eesen 2 6 EE 2 7 SM etd eno a 2 8 e M 2 5 EE OB ERE OD RBS 2 6 Riiie 2 2 e EE 2 8 ST EE 2 6 Min it 2 5 KE 2 8 SY GE 2 5 O 2 6 T TS ioni REOR pe pei Rh 2 10 U UD pee e eee uis 2 10 UM atto hte i e A es 2 12 WARRANT Y DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 25 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal two 2 year product war ranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser includ ing but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s
34. le SG SET TANK01 TWAVE01 This example defines TANK01 and TWAVEO1 as the names of the event file and display data file respectively For the rules when specifying file names see Appendix 2 2 2 15 Setting the LCD Brightness and LCD Saver LCD See Section 4 8 of the instruction manual for the VR200 Format SCpl p2 p3 pl LCD brightness level 0 to 15 p2 Sets the LCD saver function ON or OFF p3 Timer setting to activate the LCD saver Select from 1 2 5 10 30 and 60 minutes Example SCH ON 10 This example sets the brightness level to 8 and the LCD saver to be activated in 10 minutes after the last key operation 2 2 16 Setting the Summer Winter Time DST See Section 5 6 of the instruction manual for the VR200 Format SSp1 p2 pl SUMMER or WINTER p2 Date and time YY MM DD HH Example SS WINTER 96 10 10 01 2 2 17 Message setting MESSAGE only for the VR 200 with style number 2 or higher See Section 4 8 of the instruction manual for the VR200 Format SMpl p2 pl Message number 1 to 5 p2 Message string 16 characters or less Example SM3 MOTOR ON Assign the message MOTOR ON to message 3 2 2 18 Setting of the Number of Divisions of the Bar Graph Scale BAR_SCALE_DIV for the VR 200 with style number 2 or higher See Section 4 9 of the instruction manual for the VR200 Format SHpl p2 pl Channel number CC p2 Number of div
35. le from H High limit alarm L Low limit alarm R Rate of change limit on increasing signal r Rate of change limit on decreasing signal h Difference high limit alarm I Difference low limit alarm Alarm set point Enter within 5 digits excluding the decimal point and the or sign The decimal point position depends on the range or scaling setting See also the input range table on Page 2 3 Enter ON or OFF to specify whether to activate the alarm output relay Alarm output relay number Selectable from 101 to 106 depending on your option installed SA02 1 ON L 1000 ON 104 This example defines the low limit alarm in alarm level 1 of channel 2 sets the alarm setpoint to 1 000 V and specifies output relay No 4 to be activated by this alarm 2 2 Program Set Commands 2 2 4 Setting the Unit See Section 4 3 of the instruction manual for the VR200 Format SNpl p2 pl Channel number CC p2 Engineering unit up to six characters Example SN02 kg This example assigns the unit kg to channel 2 Note that a unit can only be assigned to channels of the SCL or SQRT input 2 2 5 Setting the Waveform Span Rate TIME DIV See Section 4 4 of the instruction manual for the VR200 Format SWp1 pl Select the waveform span rate from 1 5 10 20 30 and 60 minutes Example SW1 This example sets the waveform span rate to 1 minute 2 2 6 Setting the Clock See Section 4 5 of the instruction man
36. minator A command must end with either of the following terminators CR LF or LF For the open ESC O and close ESC C commands only CR LF can be used SNOILONNA 9NIAIHO3H C 2 2 Program Set Commands 2 2 1 List of Program Set Commands Command Type Command Function Sets the input range and display scale Sets the alarms Sets the engineering unit Sets the waveform span rate Sets the date and time Copies the channel settings Sets the discrete zone display Sets the partial expanded display Sets whether to display the scale values Sets the tag number Sets the trip level Sets the floppy disk format Sets the data file names Sets the LCD brightness and saver function Sets the messages Sets the number of division of the bar graph scale Sets wether to display the span rate and message menu Sets the waveform display and scale display Note For restrictions concerning settings refer to the instruction manual for the VR200 2 2 2 Setting the Range and Scale See Section 4 1 of the instruction manual for the VR200 SKIP Skips scanning the specified channel i e prevents that channel from being measured recorded and displayed Format SRp1 mode pl Channel number CC mode SKIP Example SR01 SKIP VOLT TC RTD and DELT Format SRp1 mode p2 p3 p4 pl Channel number CC mode VOLT TC RTD or DELT difference computation between the specified channel and the r
37. mitted However it is possible to omit all three values if you do not want to change them Format SRpl mode p2 p3 p4 p5 p6 p7 Example Note pl mode p2 p3 p4 p5 p6 p7 Channel number CC SQRT Range designation Selectable from 20mV 60mV 200mV 2V 6V and 20V Low limit value of the display span LOWER SPAN Enter 5 digits excluding the decimal point and the or sign High limit value of the display span UPPER SPAN Enter 5 digits excluding the decimal point and the or sign Lower scale limit SCL LOWER Enter 6 digits excluding the decimal point and the or sign Upper scale limit SCL UPPER Enter 6 digits excluding the decimal point and the or sign Decimal point position of the scaling value 0 to 4 which stands for the number of digits after the decimal point SRO1 SORT 20mV 0 1000 1000 1000 1 This example performs 0 to 10 mV input in channel 01 From this value the square root is taken and the value is scaled from 100 0 to 100 0 An error will occur if one or two of p5 p6 and p7 are omitted However it is possible to omit all three values if you do not want to change them 2 2 3 Setting Alarms See Section 4 2 of the instruction manual for the VR200 Format SAp1 p2 ON OFF p3 p4 p5 p6 Example pl p2 ON OFF p3 p4 p5 p6 Channel number CC Alarm level number 1 to 4 Set alarm ON or OFF Type of alarm selectab
38. n increase r Rate of change alarm on decrease Space No alarm Data status Space Not the end of data E End of data Data status N Normal D Difference data DELT O Overrange data value is 199999 S Skipped data value is all spaces 3 2 Output Data Formats 3 2 2 Output Format of Measured Values in Binary Mode When the TSO ESC T and FM1 commands are received the measured values and computed results are output in binary Output format 1 Sequence of transfer Byte 1 2 3 4 5 6 Number of bytes sent 2 bytes Date and time 6 bytes Measured data 1 5 bytes Measured data n last 5 bytes 2 Number of bytes sent Number of bytes sent 5 xn 6 This parameter can be sent either from the most significant byte or from the least significant byte as specified by the BO command Note that the 2 bytes of the number of bytes sent itself are not included SNOILONNA 9NLLLIWSNVHL 3 Date and time Byte 1 2 3 4 5 6 Year Month Day Hour Minute Second Minute 0 to 59 Second 0 to 59 00H to 3BH 00H to 3BH Year Oto 99 00H to 63H Month 1 to 12 01H to OCH Day 1 to 31 01H to 1FH Hour 0 to 23 OOH to 17H 4 Measured data Byte A2 A4 A4 A3 Alarm status for each level Measured value A1 to An correspond to statuses for levels 1 to 4 Alarm statu
39. nce 0800 4 06342 e mail france omega com Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 FAX 49 07056 8540 Toll Free in Germany 0130 11 21 66 e mail infoQomega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5EX United Kingdom Tel 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail infoQomega co uk It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected applications PREFACE This instruction manual describes the optional RS 422 A communication function for the VR200 view recorder For details concerning the operations of the recorder refer to the instruction manual for the VR200 Trademarks IBM is a trademark of International Business Machines Corporation MS DOS and Windows are trademarks of Microsoft Corporation CONTENTS PREFACE Chapter 1 INSTALLING THE RS 422 A INTERFACE
40. nel 04 All channels are specified Beginning with the least significant byte LSB SNLVLS TVILINI G 6 1 Preventing Errors Chapter 6 ERRORS DURING RS 422 A OUTPUT 6 1 Preventing Errors Do not send an FM or LF command from the host PC until the measured data or set point data in all the channels specified by the last command have been output If an FM or LF command is sent while the VR200 recorder is outputting data a communication error may occur An LF command sent after the TS0 command or an FM command sent after the TS1 or TS2 command may also cause a communication error If an ESC T command was already sent after the last time TSO was set data even in other formats in any channel at any time interval can be read by the host PC using FM commands as many times as required At this time when the FM command is repeatedly sent the VR200 recorder also sends the data acquired last time ESC T was received Also if an ESC T command was already sent after the last time TS1 or TS2 was set the settings even in other formats in any channel at any time interval can be read by the host PC using LF commands as many times as required Thus once the ESC T command has been sent the measured values and set values can be read any number of times which is a very useful function Note When sending data from the host PC to a recorder use the ESC S command to avoid buffer overflow When the VR200 recorder receives an ESC
41. ng Software 4 Communications Based Acquisition Systems 4 Plug in Cards for Apple IBM amp Compatibles A Datalogging Systems Recorders Printers amp Plotters HEATERS Ip Heating Cable 14 Cartridge amp Strip Heaters Ich Immersion amp Band Heaters Flexible Heaters Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL Ip Metering amp Control Instrumentation Ich Refractometers Pumps amp Tubing A Air Soil amp Water Monitors 4 Industrial Water amp Wastewater Treatment A pH Conductivity amp Dissolved Oxygen Instruments M3285 0299
42. ommand or whether data have not yet been sent completely 3 2 Output Data Formats There are four formats in which data can be output e TSO ESC T FMO outputs measured values in ASCII mode e TSO ESC T FMI outputs measured values in Binary mode e TS1 ESC T LF outputs parameter setting values e TS2 ESC T LF outputs information on engineering unit and decimal point 3 2 1 Output Format of Measured Values in ASCII Mode When the TSO ESC T and FMO commands are received the measured values and computed results are output as ASCII codes When the ESC T command is received immediately after the TSO command the recorder transfers the internal data to the RS 422 A transmission buffer Output format DATE YY MM DD CrLF Year month day TIME HH MM SS CaL Hour minute second IL AAAA UUUUUU CC DDDDD EEE CrLr Er BEE 12 9 5 6 Exponent of the data sign and 2 digits following E Mantissa of the data sign and 5 digits Zeros are filled when less than 5 digits Channel number 01 to 04 for VR104 or 01 to 06 for VR106 Engineering unit mV mV V SM C SC F sep UUUUUU Arbitrary unit up to 6 characters Alarm status the order corresponds to the level numbers H High limit alarm L Low limit alarm h Difference high limit alarm I Difference low limit alarm R Rate of change alarm o
43. onnnoncononnncnnccnncononnncnnono 2 10 SEMINE ege dee ENEE Eechen 2 4 ASCH COd S rro wud tia s App 1 C channel selection esee 2 11 Clock settimo Minden 2 5 close command eine emen 2 14 commands Control 5 esten eto eter 2 10 description entree tpe 2 1 escape sequence inini een 2 13 parameter Set eaaet n et RR 2 2 COPY Set ceto eee 2 5 D data file NAMES essen 2 7 data type selection ooooonoccnnccnocccoocanoccconononncconcc nnos 2 11 decimal points channel selection oooonccnncnincnicnnnncononancnnncnncnnos 2 11 output Tomat 3 5 request for output sese 2 10 3 1 default settings eere 5 1 delmutemg ea caci n tattoos ten 2 2 discrete ZONE display sess 2 6 display switching eene 2 12 E error message request command 6 2 error prevention cete ein 6 1 escape sequences i a oreet pete 2 13 EVENLTELED TS ss ATi teet 2 10 execution of trigger 2 13 F file naming rules eene App 2 floppy disk formats esee 2 7 l IdentifIers ce onere et e E Eo EEES eo 2 2 initializing data memory sse 2 10 L ECD setting Se tiene 2 8 M measurements mode selection sisisi tiiri icin v s 2 11 output format in ASCII mode 3 2 output format in binary mode 3 3 request for output esee 2
44. s Description occurrence of high limit alarm occurrence of low limit alarm H L h occurrence of difference high limit alarm occurrence of difference low limit alarm R occurrence of rate of change alarm on increase r occurrence of rate of change alarm on decrease ojoj aj AJ N No alarm or the alarm function is set to OFF Channel number 1 to 4 Measured value The order of the byte arrangement whether to begin with the most significant byte MSB or least significant byte LSB can be specified by the BO command Abnormal data TETE is the data value output for overrange 8181 is the data value output for overrange 8080 is the data value output when the channel is skipped 3 2 3 Output Format of Parameter Settings When receiving the TS1 ESC T and LF commands the VR200 recorder sends the set values of parameters in the following order each set value is output in the same format as the set command Communication Set Value s to Be Output SR SN SA SZ SP SK SW ST SF SL SG SM SH SX SC SS EN Range Engineering unit Alarms Discrete zone display Partial expanded display Scale value indication Waveform span rate Tag numbers Floppy disk format type Trip levels Data file names Messages Number of division of bar graph display Waveform span rate and message menu display LCD brightne
45. ss and saver function Summer Winter setting End of parameter settings output 3 2 Output Data Formats 3 2 4 Output Format of Unit and Decimal Point Information When receiving the TS2 ESC T and LF commands the VR200 recorder sends the information on the unit and decimal point in the following format The channel numbers can be specified with the LF command Col Loi Decimal point position This number indicates the number of digits after the decimal point 0 to 4 Engineering unit 6 characters Channel number 2 characters Data status Space Not the last data E End of data N Normal D Difference computation channel S Skipped channel SNOILONNA 9NLLLIWSNVHL Chapter 4 TIME CHART pa One sampling 125 ms N computor LZ E ESC T command from host Output of data When outputting binary data ud If the ESC T command is received to output data before the data is updated the previous sample data will be output 4 1 LYVHO INIL t E Chapter 5 INITIAL STATUS The initial status after power on is as follows TSO FMO 01 04 LF 01 04 BOI Output data type is the measured values Measured values are output as ASCII codes From channel 01 To channel 04 All channels are specified The channels for which the set values are output are From channel 01 To chan
46. ss the Lal key The default is 01 Note that 007 cannot be selected Use the A W keys to select the baud rate from 1200 2400 4800 and 9600 bps then press the da key The default is 9600 bps Use the AJ VI keys to select the data length between 7 and 8 bits then press the Tal key The default is 8 bits a se the A V keys to select the parity specification from ODD EVEN and NONE then press the da key The default is EVEN Use the AJ VI keys to select the stop bit specification between 1 and 2 bits then press the key The default is 1 bit 10 The display COMM SET appears which shows that the communication setup is completed To proceed to another setting in the SETUP mode if necessary press the ESC key Before leaving the SETUP mode you must store the new setting in the internal memory Press the ESC key to return to the SETUP 0PT display then select the SETUP END display using the A W keys then press the 4 key Finally to store and make the new settings take effect select the END amp INIT DATA STORE display using the A W keys then press the 4 key or to discard the new settings select the END amp INIT DATA ABORT display using the AT W keys then press the da key The mode is then released from SETUP to operation in several seconds 2 1 General Rules for Commands Chapter 2 RECEIVING FUNCTIONS Th
47. the output should start and p2 is the channel number CC at which the output should end Note If you designate the output data type by the TS1 or TS2 command specify the format by this LF command 2 3 10 Loading the SET Configuration File See Section 5 5 2 of the instruction manual for the VR200 Command Function LOp1 Loads the SET configuration file suffix PNL specified by p1 into the internal memory Where p1 is the name of the file to be loaded maximum of eight characters 2 3 11 Saving the SET Configuration File See Section 5 5 1 of the instruction manual for the VR200 Command Function Lin Saves the settings made in SET mode as a SET configuration file with the specified name Where pl is the name of the save file maximum of eight characters 2 11 2 3 12 Message Writing for the VR 200 with style number 2 or higher Command MEp1 Function Selects message number for which parameter set values to be displayed and the information file is saved 2 3 13 Display Switching for the VR 200 with style number 2 or higher 2 12 Command UMO UMI UM2 UM3 UMA Function Trend display Bar graph display Digital value display Information display List display 2 4 Escape Sequence 2 4 Escape Sequence The following escape sequence commands are used to control the communications 2 4 1 Execution of Trigger ESC T C L Requests for the data to be prepared in the buffer If an ESC T CR LF command is re
48. ual for the VR200 Format SDpl p2 pl Date YY MM DD YY The last two digits of the Western year MM 01 to 12 DD 01 to 31 p2 Time HH MM SS HH 00 to 23 MM 00 to 59 SS 00 to 59 Example SD96 03 13 15 02 00 2 2 7 Copying the Channel Settings See Section 4 6 of the instruction manual for the VR200 Format SYp1 p2 pl Channel number CC from which you want to copy the settings origin p2 Channel number CC to which you want to copy the settings destination Example SY01 03 This example copies all settings from channel 1 to channel 3 Note You can only copy from a lower channel number to a higher channel number SNOILONN4A 9NIAIHO3H C 2 2 8 Setting the Discrete ZONE Display See Section 4 7 1 of the instruction manual for the VR200 Format SZpl p2 p3 pl Channel number CC p2 Lower display boundary value 0 to 95 p3 Upper display boundary value 5 to 100 Example SZ02 30 50 This example results in the display for 0 to 100 of channel 2 in the band from 30 to 50 of the scale Note The display bandwidth cannot be set to 5 or less The lower display boundary must be less than the upper boundary 2 2 9 Setting the Partial Expanded Display See Section 4 7 2 of the instruction manual for the VR200 Format SPpl p2 p3 p4 pl Channel number CC p2 Partial expanded display ON OFF p3 Percentage of the full display span which will be compressed 1 to 99 p4
49. ue is to be output Specifies the data format of the measured value to be output Specifies the channel for the request for the set value TS1 command or the unit and decimal point TS2 command Loads the specified SET configuration file Saves the settings made in SET mode with the specified file name Write the messages Switch the display 2 3 2 Standard Screen Call For the standard screen see Section 1 6 1 of the instruction manual for the VR100 or the VR200 Command Function UDO Returns the screen to the standard screen UD1 Returns the digital values for channels 1 to 3 UD2 Returns the digital values for channels 4 to 6 UD3 Returns the digital values for channels 1 to 6 2 3 3 Alarm Acknowledge See Section 3 3 of the instruction manual for the VR100 or the VR200 Command Function AKO Starts the alarm acknowledge function 2 3 4 Initializing the Data Memory See Section 5 3 of the instruction manual for the VR100 or the VR200 Command Function MIYES Initializes the data memory 2 3 5 Writing a Time axis Mark and Raising an Event Trigger See Sections 3 5 and 3 7 of the instruction manual for the VR100 or the VR200 Command Function EVO VR100 and VR200 with style number 1 or lower Writes a time axis mark VR200 with style number 2 or higher Writes a message 1 EVI Raises a manual trigger The manual trigger is effective only when the sample mode is set to trigger on or trigger rotation
50. vice VR200 only The terminator must be CR LF 2 4 4 Close Command 2 14 ESC C CL where is the address ASCII code 01 to 16 The close command closes the addressed state of a device Only the addressed device will respond to this command The terminator must be CR LF 3 1 Introduction to Output Data Formats Chapter 3 TRANSMITTING FUNCTIONS This chapter describes the different output formats 3 1 Introduction to Output Data Formats Note 3 1 1 TSO Note 3 1 2 TS1 and TS2 The type of data to be sent from the VR200 recorder is specified by the TS command TSO TS1 or TS2 see Section 2 3 7 and the output data format is specified by the FM command see Section 2 3 8 The specification of the data type by the TS command is effective only when the ESC T command is sent afterwards Hence changing the specification of the data type by the TS command after the ESC T command is sent will not take effect until the ESC T command is sent again After sending the TSO and the ESC T command you must specify the output format using the FM command Data cannot be output if the FM command is omitted However after the FM command has been sent and the data has been read the data within the same sample can be read again by specifying the output format once more using the FM command If the next FM command is sent before the specified data have been output completely the newly
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