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WARRANT Y/ DISCLAIMER

OMEGA ENGINEERING, INC.  warrants this unit to be free  of defects in materials and workmanship for a
period of 

25 months

f rom date of purchase. OMEGA Warranty adds an additional one (1) month grace

period  to  the  normal 

two  (2)  year  product  war

r a n t y

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  re t u rned  to  the  factory  for  evaluation.  OMEGA’s Customer  Serv i c e
D e p a rtment  will  issue  an  Authorized  Return  (AR)  number  immediately  upon  phone  or  written  re q u e s t .
Upon  examination  by  OMEGA,  if  the  unit  is  found  to  be  defective,  it  will  be  re p a i red  or  replaced  at  no
c h a rge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purc h a s e r, includ-
ing  but  not  limited  to  mishandling,  improper  interfacing,  operation  outside  of  design  limits, 
i m p roper  re p a i r,  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 corro s i o n ;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other  operating
conditions  outside  of  OMEGA’s c o n t rol.  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 
R E P R E S E N T

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 A R TICULAR  PURPOSE  ARE  HEREBY  DISCLAIMED.  LIMITATION  OF 
L I A B I L I T Y

:  The  remedies  of  purchaser  set  forth  herein  are  exclusive,  and  the  total  liability  of 

OMEGA  with  respect  to  this  or

d e r ,  whether  based  on  contract,  war

r a n t y ,  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  installation  or
a c t i v i t y, medical application, used on humans, or misused in any way, OMEGA assumes no re s p o n s i b i l i t y
as set forth in our  basic WA R R A N TY/ DISCLAIMER  language, and, additionally, purchaser will  indemnify
OMEGA and hold OMEGA h a rmless from any liability or damage whatsoever arising out of the use of the
P roduct(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 )  NUM BER   F ROM   OM EGA’S  CUSTO MER   S ERVIC E   D EPA RTME NT  (IN  OR D ER  T O   AV O I D
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 

following information available BEFORE 
contacting OMEGA:
1 . P u rchase Order number under which the pro d-

uct was PURCHASED,

2. Model and serial number of the product under

warranty, and

3. Repair instructions and/or specific problems 

relative to the product.

FOR 

NON-W ARRANTY

REPAIRS, consult OMEGA

for current repair charges. Have the following
information available BEFORE contacting OMEGA:
1. Purchase Order number to cover the COST 

of the repair,

2. Model and serial number of the product, and
3. Repair instructions and/or specific problems 

relative to the product.

OMEGA’s 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, re p ro-
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.

Summary of Contents for VR200

Page 1: ...http www omega com e mail info omega com User sGuide VR200 RS 422A Communications Instruction Manual...

Page 2: ...Trappes Tel 33 130 621 400 FAX 33 130 699 120 Toll Free in France 0800 4 06342 e mail france omega com Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 FAX 49 07056 854...

Page 3: ...ion 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 Mac...

Page 4: ...7 2 2 15 Setting the LCD Brightness and LCD Saver LCD 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 Sett...

Page 5: ...3 5 Chapter 4 TIME CHART Chapter 5 INITIAL STATUS Chapter 6 ERRORS DURING RS 422 A OUTPUT 6 1 Preventing Errors 6 1 6 2 How to Request Error Message Output 6 2 6 3 Timing of Resetting the Error Statu...

Page 6: ...parameters which can only be set in the SETUP mode on the VR100VR200 1 1 Interface Specifications Communication System 4 wire half duplex multi drop connection 1 n 1 host computer and n VR200 view re...

Page 7: ...he 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...

Page 8: ...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 R R R R Figure 1 3 Commu...

Page 9: ...er Data bits 7 or 8 bits Parity bit odd even or none Stop bit 1 1 or 2 Start bit Idle status of the line 1 0 Line released due to the idle status broken line or continued by the start bit of the next...

Page 10: ...End 2 End 3 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 256 bytes for a 4 channel model Th...

Page 11: ...keys to select the parity specification from ODD EVEN and NONE then press the key The default is EVEN 9 Use the keys to select the stop bit specification between 1 and 2 bits then press the key The d...

Page 12: ...e 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...

Page 13: ...ual 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 reco...

Page 14: ...8 0 to 752 0 F 32 to 2372 F 328 0 to 752 0 F 328 0 to 1112 0 F 328 0 to 1022 0 F 328 0 to 1112 0 F 328 0 to 1022 0 F Allowed when the N1 option Cu10 Cu25 is equipped DI Digital Input Format SRp1 mode...

Page 15: ...mV input in channel 01 From this value the square root is taken and the value is scaled from 100 0 to 100 0 Note An error will occur if one or two of p5 p6 and p7 are omitted However it is possible t...

Page 16: ...ets the waveform span rate to 1 minute 2 2 6 Setting the Clock See Section 4 5 of the instruction manual for the VR200 Format SDp1 p2 p1 Date YY MM DD YY The last two digits of the Western year MM 01...

Page 17: ...ed 1 to 99 p4 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...

Page 18: ...r 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 SGp1 p2 p3 p4 p1...

Page 19: ...00 with style number 2 or higher See Section 4 8 of the instruction manual for the VR200 Format SMp1 p2 p1 Message number 1 to 5 p2 Message string 16 characters or less Example SM3 MOTOR ON Assign the...

Page 20: ...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...

Page 21: ...o 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 C...

Page 22: ...2 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...

Page 23: ...elects 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 Command Function UM0 Trend...

Page 24: ...Data Formats and Section 3 2 Output Data Formats To invoke the ESC T command send the character T following 1B 1 byte hexadecimal The trigger is effective for a device which has not yet been opened M...

Page 25: ...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 O...

Page 26: ...3 8 TS0 ESC T FMx xx xx Read all data specified until the end FMx xx xx Read all data specified until the end Note Do not send the LF command until the reply data have been read completely after send...

Page 27: ...buffer Output format DATE YY MM DD CRLF Year month day TIME HH MM SS CRLF Hour minute second AAAA UUUUUU CC DDDDD E EE CRLF Alarm status the order corresponds to the level numbers H High limit alarm L...

Page 28: ...Measured data n last 5 bytes 2 Number of bytes sent Number of bytes sent 5 n 6 This parameter can be sent either from the most significant byte or from the least significant byte as specified by the B...

Page 29: ...O command Abnormal data 7E7E 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 Paramet...

Page 30: ...decimal point in the following format The channel numbers can be specified with the LF command CRLF N Normal D Difference computation channel S Skipped channel Decimal point position This number indic...

Page 31: ...ART One sampling 125 ms When outputting binary data A D and primary computation ESC T command from host Output of data If the ESC T command is received to output data before the data is updated the pr...

Page 32: ...a type is the measured values FM0 01 04 Measured values are output as ASCII codes From channel 01 To channel 04 All channels are specified LF 01 04 The channels for which the set values are output are...

Page 33: ...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 num...

Page 34: ...mmand Output format ERxx CR LF 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 command request for error message is sent to a...

Page 35: ...g 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 Err...

Page 36: ...PC 120 130 To input and save parameter settings 140 150 160 170 Baud rate 1200 Stop bit 1 bit 180 Parity none Control OFF OFF 190 Data length 8 bits Others LF is sent automatically 200 210 220 OPEN CO...

Page 37: ...Parity none Control OFF OFF 190 Data length 8 bits Others LF is sent automatically 200 210 220 OPEN COM1 1200 N 8 1 LF AS 1 230 OPEN TEST DAT FOR INPUT AS 2 240 250 PRINT 1 CHR 27 O 01 260 LINE INPUT...

Page 38: ...8 bits Others LF is sent automatically 200 210 220 OPEN COM1 1200 N 8 1 LF AS 1 230 OPEN TEST DAT FOR OUTPUT AS 2 240 250 LF CHR HA Line feed 0AH 260 PRINT 1 CHR 27 O 01 270 PRINT 1 TS2 280 PRINT 1 C...

Page 39: ...ontrol OFF OFF 200 Data length 8 bits Others LF is sent automatically 210 220 230 OPEN COM1 1200 N 8 1 LF AS 1 240 OPEN TEST DAT FOR OUTPUT AS 2 250 260 LF CHR HA Line feed 0AH 270 PRINT 1 CHR 27 O 01...

Page 40: ...260 PRINT 1 CHR 27 O 01 270 PRINT 1 TS0 280 PRINT 1 BO1 290 300 PRINT 1 CHR 27 T 310 PRINT 1 FM1 01 04 320 D INPUT 2 1 330 PRINT 2 D 340 A CVI MID D 1 2 350 PRINT A 360 D INPUT A 1 370 PRINT 2 D 380...

Page 41: ...e degree symbol of C or F as follows a In case of measured values output TS0 and unit and decimal point output TS2 space 20H b In case of setting parameter output TS1 E1H c In case of recorder setting...

Page 42: ...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 Proh...

Page 43: ...ut format in ASCII mode 3 2 output format in binary mode 3 3 request for output 2 10 3 1 message writing 2 12 O open command 2 14 output data format 3 2 output data selection 2 10 P parameters 2 2 par...

Page 44: ...l settings 2 7 U unit information channel selection 2 11 output format 3 5 request for output 2 10 3 1 unit settings 2 5 W waveform display 2 9 waveform span rate 2 9 winter time 2 8 writing time axis...

Page 45: ...se 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 OME...

Page 46: ...rs Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conducti...

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