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Manual Omega Speaker Systems VR200

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  • Omega Speaker Systems VR200 - page 1

    http://www.omega.com e-mail: info@omega.com U ser ’ s Guide V R 2 0 0 / R S - 4 2 2 A C o m m u n i c a t i o n s I n s t r u c t i o n M a n u a l ...

  • Omega Speaker Systems VR200 - page 2

    Servicing North America: USA: One Omega Drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 T el: (203) 359-1660 F AX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1 T el: (514) 856-6928 F AX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: USA and Canada: Sales Service ...

  • Omega Speaker Systems VR200 - page 3

    1 PREF ACE 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 tr ...

  • Omega Speaker Systems VR200 - page 4

    2 CONTENTS PREFACE Chapter 1 INSTALLING THE RS-422-A INTERFACE 1.1 Interface Specifications .................................................................................................... ............ 1-1 1.2 Interface Terminal .......................................................................................................... .......... ...

  • Omega Speaker Systems VR200 - page 5

    3 CONTENTS Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 INDEX APPENDIX 2.4 Escape Sequence ............................................................................................................. ............ 2-13 2.4.1 Execution of Trigger ............................................................................... ...

  • Omega Speaker Systems VR200 - page 6

    1 - 1 1 INST ALLING THE RS-422-A INTERF ACE 1.1 Interface Specifications Chapter 1 INST ALLING THE RS-422-A INTERF ACE 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: • read measured values, • read parameters, and • ...

  • Omega Speaker Systems VR200 - page 7

    1 - 2 1.2 Interface Terminal 1.2.1 Terminal Assignment MEMORY SD A SD B SG G (signal ground) RD A RD B FG G (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 ...

  • Omega Speaker Systems VR200 - page 8

    1 - 3 1 INST ALLING THE RS-422-A INTERF ACE 1.3 Communication Wiring If 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 ...

  • Omega Speaker Systems VR200 - page 9

    1 - 4 If A < B, then signal = 1 If A > 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 t ...

  • Omega Speaker Systems VR200 - page 10

    1 - 5 1 INST ALLING THE RS-422-A INTERF ACE Note 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 t ...

  • Omega Speaker Systems VR200 - page 11

    1 - 6 1.5 Setting up the RS-422-A Communication Interface SETUP PROCEDURE: 1 Unpack the VR200 recorder. 2 While pressing the [ ] key, turn on the power to enter the SETUP mode. 3 Use the [ ▲ ] / [ ▼ ] keys to select the display ‘SETUP=OPT,’ then press the [ ] key. 4 Use the [ ▲ ] / [ ▼ ] keys to select the display ‘OPT=COMM,’ then p ...

  • Omega Speaker Systems VR200 - page 12

    2 - 1 2 RECEIVING FUNCTIONS Chapter 2 RECEIVING FUNCTIONS This 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, pa ...

  • Omega Speaker Systems VR200 - page 13

    2 - 2 2.2 Program Set Commands 2.2.1 List of Program Set Commands Command Type Command Function Set SR SA SN SW SD SY SZ SP SK ST SL SF SG SC SM SH SX MD 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) displ ...

  • Omega Speaker Systems VR200 - page 14

    2 - 3 2 RECEIVING FUNCTIONS Input range table Input type Range Input Measurement range Unit DC Voltage 20 mV 20 mV -20.00 to 20.00 mV mV 60 mV 60 mV -60.00 to 60.00 mV mV 200 mV 200 mV -200.0 to 200.0 mV mV 2 V 2 V -2.000 to 2.000 V V 6 V 6 V -6.000 to 6.000 V V 20 V 20 V -20.00 to 20.00 V V Input type Range Measurement range ˚C T C R 0.0 to 1760. ...

  • Omega Speaker Systems VR200 - page 15

    2 - 4 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 omitted. However, it is possible to omit all three values if you do not want to change them. SQRT (Square Root) Format: SRp1, mode, p ...

  • Omega Speaker Systems VR200 - page 16

    2 - 5 2 RECEIVING FUNCTIONS 2.2.4 Setting the Unit (See Section 4.3 of the instruction manual for the VR200.) Format: SNp1, p2 p1: 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 ...

  • Omega Speaker Systems VR200 - page 17

    2 - 6 2.2.8 Setting the Discrete (ZONE) Display (See Section 4.7.1 of the instruction manual for the VR200.) Format: SZp1, p2, p3 p1: 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 ...

  • Omega Speaker Systems VR200 - page 18

    2 - 7 2 RECEIVING FUNCTIONS 2.2.12 Setting the Trip Level (See Section 4.7.5 of the instruction manual for the VR200.) Format: SLp1, p2, p3 p1: 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 1 to 6 p2: Whether to display. Enter “ ON ” or “ OF ...

  • Omega Speaker Systems VR200 - page 19

    2 - 8 2.2.15 Setting the LCD Brightness and LCD Saver (LCD) (See Section 4.8 of the instruction manual for the VR200.) Format: SCp1, p2, p3 p1: 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: SC8, ON, 10 This ...

  • Omega Speaker Systems VR200 - page 20

    2 - 9 2 RECEIVING FUNCTIONS 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 flop ...

  • Omega Speaker Systems VR200 - page 21

    2 - 10 2.3 Program Control Commands 2.3.1 List of Program Control Commands Command Type Command Function Control UD AK MI EV BO TS FM LF LO LI ME UM 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 ou ...

  • Omega Speaker Systems VR200 - page 22

    2 - 11 2 RECEIVING FUNCTIONS 2.3.7 Selecting the Output Data Command Function TS0 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 FM0, p1, p2 Selects the channels for which measured values are to be output in AS ...

  • Omega Speaker Systems VR200 - page 23

    2 - 12 2.3.12 Message Writing(for the VR 200 with style number 2 or higher) Command Function MEp1 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) Command Function UM0 Trend display UM1 Bar graph display UM2 Digital value d ...

  • Omega Speaker Systems VR200 - page 24

    2 - 13 2 RECEIVING FUNCTIONS 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 R L F Requests for the data to be prepared in the buffer. If an ESC T (CR LF) command is received, then • measured data (when TS0 is specified) sampled at the most r ...

  • Omega Speaker Systems VR200 - page 25

    2 - 14 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: 1 0 ESC S Status of the syntax error Syntax error status in output buffer For instance, sending “ ER02 ” resets the syntax error status even though th ...

  • Omega Speaker Systems VR200 - page 26

    3 - 1 3 TRANSMITTING FUNCTIONS 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 The type of data to be sent from the VR200 recorder is specified by the TS command (TS0, TS1, or TS2: see Section 2.3.7), and the output data format is s ...

  • Omega Speaker Systems VR200 - page 27

    3 - 2 3.2 Output Data Formats There are four formats in which data can be output. • TS0 + ESC T + FM0 (outputs measured values in ASCII mode) • TS0 + ESC T + FM1 (outputs measured values in Binary mode) • TS1 + ESC T + LF (outputs parameter setting values) • TS2 + ESC T + LF (outputs information on engineering unit and decimal point) 3.2.1 ...

  • Omega Speaker Systems VR200 - page 28

    3 - 3 3 TRANSMITTING FUNCTIONS 3.2.2 Output Format of Measured Values in Binary Mode When the TS0, ESC T and FM1 commands are received, the measured values and computed results are output in binary. Output format: (1) Sequence of transfer 123456 Byte Number of bytes sent (2 bytes) Date and time (6 bytes) Measured data 1 (5 bytes) Measured data n (l ...

  • Omega Speaker Systems VR200 - page 29

    3 - 4 (4) Measured data 12345 Byte A 2 A 1 A 4 A 3 Alarm status (for each level) A1 to An correspond to statuses for levels 1 to 4. Alarm status Description 1 2 3 4 5 6 0 No alarm or the alarm function is set to OFF Channel number (1 to 4) Measured value * H (occurrence of high limit alarm) L (occurrence of low limit alarm) h (occurrence of differe ...

  • Omega Speaker Systems VR200 - page 30

    3 - 5 3 TRANSMITTING FUNCTIONS 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. C R L F , N: Normal D: Difference computation channel S: Sk ...

  • Omega Speaker Systems VR200 - page 31

    4 - 1 4 TIME CHAR T Chapter 4 TIME CHAR T 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 previous sam p le data will be out p ut. ...

  • Omega Speaker Systems VR200 - page 32

    5 - 1 5 INITIAL ST A TUS Chapter 5 INITIAL ST A TUS The initial status after power on is as follows. TS0 Output data 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: From channel 01 To channe ...

  • Omega Speaker Systems VR200 - page 33

    6 - 1 6 ERRORS DURING RS-422-A OUTPUT 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 outputtin ...

  • Omega Speaker Systems VR200 - page 34

    6 - 2 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 R ) (L F ) (1B)H (53)H (2) Error message sent from VR200 ...

  • Omega Speaker Systems VR200 - page 35

    6 - 3 6 ERRORS DURING RS-422-A OUTPUT 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. Error status is reset. Error message request (E ...

  • Omega Speaker Systems VR200 - page 36

    7 - 1 7 PROGRAM EXAMPLES 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 ...

  • Omega Speaker Systems VR200 - page 37

    7 - 2 7.2 Program to Read Parameter Settings from Disk, Display Them on Screen, and Set up VR200 100 ‘************************************************************ 110 ‘** RS422A Example Program for IBM PC ** 120 ‘** ** 130 ‘** To read setting information ** 140 ‘** ** 150 ‘************************************************************ 160 ...

  • Omega Speaker Systems VR200 - page 38

    7 - 3 7 PROGRAM EXAMPLES 7.3 Program to Read Unit and Decimal Point Information from VR200, Display It on Screen, and W rite It to Disk 100 ‘********************************************************** 110 ‘** RS422A Example Program for IBM PC ** 120 ‘** ** 130 ‘** To input and save point and unit information ** 140 ‘** ** 150 ‘********** ...

  • Omega Speaker Systems VR200 - page 39

    7 - 4 7.4 Program to Output Measured Data (in ASCII Code) from VR200 and W rite to Disk 100 ‘************************************************************ 110 ‘** RS422A Example Program for IBM PC ** 120 ‘** ** 130 ‘** To input and save measured data ** 140 ‘** (ASCII code) ** 150 ‘** ** 160 ‘******************************************* ...

  • Omega Speaker Systems VR200 - page 40

    7 - 5 7 PROGRAM EXAMPLES 7.5 Program to Output Measured Data (in Binary Code) from VR200 and W rite to Disk 100 ‘************************************************************ 110 ‘** RS422A Example Program for IBM PC ** 120 ‘** ** 130 ‘** To input and save measured data ** 140 ‘** (ASCII code) ** 150 ‘** ** 160 ‘*********************** ...

  • Omega Speaker Systems VR200 - page 41

    App. - 1 IM 4N1A1-1 1E APPENDIX Appendix 1 ASCII Code Table APPENDIX Appendix 1 ASCII Code T able Note • Select the 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 ...

  • Omega Speaker Systems VR200 - page 42

    App. - 2 IM 4N1A1-1 1E Appendix 2 File Naming Rules 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 ...

  • Omega Speaker Systems VR200 - page 43

    Index - 1 INDEX INDEX A alarms acknowledgment ............................................. 2-10 setting ................................................................ 2-4 ASCII codes ....................................................... App-1 C channel selection .................................................. 2-11 clock setting ............ ...

  • Omega Speaker Systems VR200 - page 44

    Index - 2 range settings DELT ........................................................... 2-2 DI (Digital Input) ........................................ 2-3 RTD ............................................................. 2-2 SCL (Scaling) .............................................. 2-3 SKIP .................................................... ...

  • Omega Speaker Systems VR200 - page 45

    W ARRANT Y / DISCLAIMER OME GA EN GINE ERIN G, IN C. wa rrant s th is unit to b e free o f def ects i n m a terial s an d wor kma nshi p for a pe riod of 2 5 m ont hs f r o m d ate of purch ase . OMEGA Warranty adds an additional one (1) month grace p erio d t o t he n or ma l t wo (2 ) y e ar p r o d uc t w ar r a n t y to c ov er handl i ng and s ...

  • Omega Speaker Systems VR200 - page 46

    M3285/0299 W h e r e D o I F i n d E v e ry t h i n g I N e e d f o r P r o c e s s M e a s u r e m e n t a n d C o n t r o l ? O ME G A … O f C o u r s e ! T E M P E R AT U R E Th erm ocoupl e , R TD & The rmisto r Pr obes , Con necto rs, Pan els & A s s e m b l i e s W i r e: Ther mocoup le, R TD & The rmisto r Cal ibra tors & I ...

Manufacturer Omega Speaker Systems Category Computer Monitor

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