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Omega RD-MV100 Series User Manual

Communications interface
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RD-MV100/RD-MV200 SERIES
Communications Interface

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  • Page 1 User’ s Guide OMEGA CARE Extended Warranty Program Shop online at www.omega.com e-mail: info@omega.com RD-MV100/RD-MV200 SERIES Communications Interface...
  • Page 2 Toll Free in United Kingdom: 0800-488-488 e-mail: sales@omega.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.
  • Page 3 • Adobe and Acrobat are trademarks of Adobe Systems incorporated. • Other company and product names are trademarks or registered trademarks of their respective holders. Revisions • First edition: March 2000 • Second edition: September 2000 Disk No. RE25 2nd Edition: September 2000(YK) All Rights Reserved, Copyright © Omega...

  • Page 4: How To Use This Manual

    How to Use this Manual Structure of the Manual The structure of this User’s Manual is as follows. Chapter 1 Overview of the Communication Functions Describes the relationship between the communication functions and the interface and provides an outline of the communication functions. Chapter 2 Using the Ethernet Interface Describes the specifications and setup procedures of Ethernet.
  • Page 5 How to Use this Manual Displayed characters Alphanumeric characters enclosed with [ ] refer to characters or setting values that are displayed on the screen. Symbols used on pages describing operating procedures On pages that describe the operating procedures in Chapter 2 through 4, the following symbols are used to distinguish the procedures from their explanations.

  • Page 6: Names And Uses Of Parts

    Names and Uses of Parts Front Panel RD-MV100 LCD monitor ESC key Press this key to return to the previous screen or cancel the new settings. Arrow keys Press these keys to move between the setup items displayed on the screen.
  • Page 7 Names and Uses of Parts Rear Panel RD-MV100 Ethernet interface connector A connector used for Ethernet communications. Comes standard with the instrument. RS-232 interface connector A serial communication connector provided on models with the suffix code /C2. RS-422-A/485 interface terminal Serial communication terminals provided on models with the suffix code /C3.
  • Page 8 Names and Uses of Parts Flow of Operation using the Operation Keys This section will describe the basic flow of operation when changing the settings of the RD-MV using the front panel keys. Settings related to communications are configured in the basic setting mode. The procedure used to enter the basic setting mode is described in the procedure for each item.
  • Page 9 Names and Uses of Parts • When canceling the new changes Press the ESC key. A window appears for you to confirm the cancellation. Selecting “YES” and pressing the DISP/ENTER key cancels the new settings and the screen returns to the previous screen. Selecting “No”...

  • Page 10: Table Of Contents

    Contents Forward ............................i How to Use this Manual ........................ii Names and Uses of Parts ......................iv Chapter 1 Overview of the Communication Functions The Relationship between the Communication Functions and the Ethernet/ Serial Interface ........................1-1 Explanation of the Functions ..................... 1-2 Chapter 2 Using the Ethernet Interface Ethernet Interface Specifications ..................
  • Page 11 Contents Chapter 6 Response Response Syntax ......................6-1 Output Format of ASCII Data .................... 6-6 Output Format of BINARY Data ..................6-17 Output Format of Instrument Information ................ 6-22 Chapter 7 Status Report Status Information and Filter ..................... 7-1 The Bit Structure of the Status Information ............... 7-2 Appendix Appendix 1 ASCII Character Codes ..................

  • Page 12: Chapter 1 Overview Of The Communication Functions

    Chapter 1 Overview of the Communication Functions The Relationship between the Communication Functions and the Ethernet/Serial Interface The Ethernet interface comes as standard equipment with the instrument. The serial interface (RS-232, RS-422-A/485) is available as an option. In order to use the various communication functions of the RD-MV, the Ethernet or serial communications must be configured beforehand.

  • Page 13: Explanation Of The Functions

    Explanation of the Functions Describes an outline of the communication functions of the RD-MV. Modbus server • By using the Modbus protocol, measured/computed data written to the RD-MV’s input register can be read by the PC and communication input data can be written/ read from the RD-MV’s hold register.
  • Page 14 1.2 Explanation of the Functions Data on the storage medium FTP server RD-MV RD-MV FTP client Automatic file transfer • The display data file, event data file, and report data file, that are created in the internal memory of the RD-MV, can be automatically transferred to a remote FTP server.
  • Page 15 1.2 Explanation of the Functions Login • This function can be used only when communicating via the Ethernet interface and when using the setting/measurement server, maintenance/test server, and the FTP server functions. • For the configuration required to use this function, see sections 2.3 and 2.7. User authorization This function allows only registered users to access the RD-MV in order to prevent invalid access from the network.
  • Page 16 1.2 Explanation of the Functions Other functions Confirming the connection status of the Ethernet interface • The connection status of the Ethernet interface can be confirmed on the rear panel and on the screen of the RD-MV. • For the display position and the meaning of the indicator, see section 2.4. Keepalive (Extended function of TCP) •...

  • Page 17: Chapter 2 Using The Ethernet Interface

    Chapter 2 Using the Ethernet Interface Ethernet Interface Specifications Basic Specifications Electrical and mechanical specifications Conforms to IEEE 802.3 (Ethernet frames conform to the DIX specifications.) Transmission medium type 10BASE-T Protocol TCP, IP, UDP, ICMP, ARP The maximum number of connections and the number of simultaneous uses The following table indicates the number of simultaneous uses (number of users that can use the function simultaneously), the maximum number of connections, and the port number for each function.

  • Page 18: Connecting The Ethernet Interface

    Connecting the Ethernet Interface When connecting only the RD-MV and a PC Connect the RD-MV and the PC via a HUB as in the following figure. 10BASE-T straight cable Ethernet interface connector (Multiple devices can be connected by using a hub.) RD-MV Ethernet interface connector...

  • Page 19: Configuring The Ethernet Interface

    Configuring the Ethernet Interface Explanation The following configurations must be made in order to use the Ethernet communication functions of the RD-MV. Setting the IP address, subnet mask, default gateway, and DNS Confirm the settings such as the IP address, subnet mask, default gateway, and DNS with the administrator of the system or network on which the recorder is to be used.
  • Page 20 2.3 Configuring the Ethernet Interface • Domain suffix If the IP address corresponding to the “domain name,” described in the previous paragraph, is not found on the DNS server, then it may be that the system is configured to use another domain name. In this case, the domain suffix is specified, so that this domain name is searched after the “domain name”...
  • Page 21 2.3 Configuring the Ethernet Interface Procedure For the basic flow of operations, see “Flow of Operation using the Operation Keys” on page vi. Press the MENU key to display the setting menu. Press the FUNC key for approximately 3 s to display the basic setting menu. Press the [#10 (Communication)](RD-MV100) or [#6 (Communication)](RD- MV200) soft key to display the communication function setting menu.
  • Page 22 2.3 Configuring the Ethernet Interface In the entry box, enter the subnet mask of the network to which the RD-MV belongs. For the procedures related to entering character strings and values, see the RD-MV100/ RD-MV200 User’s Manual (M3642/M3642). Press the DISP/ENTER key. The entered value is set in the [Subnet mask] box. Setting the default gateway Set this value according to the system or the network to which the RD-MV belongs.
  • Page 23 2.3 Configuring the Ethernet Interface Press the DISP/ENTER key. The entered value is set in the [Primary] box. • Setting the secondary DNS server address Set this value when using the secondary DNS server in the system or the network to which the RD-MV belongs.
  • Page 24 2.3 Configuring the Ethernet Interface Enter the primary domain suffix in the entry box. For the procedures related to entering character strings and values, see the RD-MV100/ MV200 User’s Manual (M-3641/M-3642). Press the DISP/ENTER key. The entered value is set in the [Primary] box. •...

  • Page 25: Checking The Connection Status Of The Ethernet Interface

    Checking the Connection Status of the Ethernet Interface Checking the connection status using the rear panel The connection status of the Ethernet interface can be confirmed with the indicator that is located to the upper right of the Ethernet connector on the RD-MV. Indicator Connection Status of the Ethernet Interface On (green)

  • Page 26: Setting The Ftp Client (Automatic Transfer Of Display/Event/Report Data Files)

    Setting the FTP Client (Automatic Transfer of Display/Event/Report Data Files) Explanation By setting this function, the display/event and report data files that are created in the internal memory can be automatically transferred using FTP when the files are created. Note that the Ethernet interface must be configured beforehand (see section 2.3). Selecting the files to transfer •...
  • Page 27 2.5 Setting the FTP Client (Automatic Transfer of Display/Event/Report Data Files) • Password Set the password to use when accessing the FTP server. Up to 32 alphanumeric characters can be used. • Account Set the account (the ID number) to use when accessing the FTP server. Up to 32 alphanumeric characters can be used.
  • Page 28 2.5 Setting the FTP Client (Automatic Transfer of Display/Event/Report Data Files) Procedure For the basic flow of operations, see “Flow of Operation using the Operation Keys” on page vi. Press the Menu key to display the setting menu. Press the FUNC key for approximately 3 s to display the basic setting menu. Press the [#10 (Communication)](RD-MV100) or [#6 (Communication)](RD- MV100/RD-MV200) soft key to display the communication function setting menu.
  • Page 29 2.5 Setting the FTP Client (Automatic Transfer of Display/Event/Report Data Files) Setting the primary FTP server For RD-MV100, when settings are confirmed by procedure 8, press the ESC key to return to the screen of procedure 4, and then press the [#4 (FTP connection)] soft key to display the communication (FTP connection) menu.
  • Page 30 2.5 Setting the FTP Client (Automatic Transfer of Display/Event/Report Data Files) Enter the login name that is used when accessing the primary FTP server in the entry box. For the procedures related to entering character strings and values, see the RD-MV100/ RD-MV200 User’s Manual (M-3641/M-3642).
  • Page 31 2.5 Setting the FTP Client (Automatic Transfer of Display/Event/Report Data Files) Press the [Input] soft key to display the entry box. Enter the file transfer destination directory in the entry box. For the procedures related to entering character strings and values, see the RD-MV100/ RD-MV200 User’s Manual (M-3641/M-3642).

  • Page 32: Performing The Ftp Test

    Performing the FTP Test Explanation You can check whether or not files can be transferred via the Ethernet interface by transferring a test file from the RD-MV to the FTP server that was configured in section 2.5. Items to check before performing this test •...

  • Page 33: Setting The Login/Timeout For Ethernet Communications

    Setting the Login/Timeout for Ethernet Communications Explanation By setting the login and timeout, you can achieve the following: • Prevent invalid access to the RD-MV from the network. • Grant authority in operating the RD-MV via Ethernet communications. • Disconnect connections when there are no data transfers over a predetermined time period.
  • Page 34 2.7 Setting the Login/Timeout for Ethernet Communications Note • The relationship between the login function and the user name that is used when accessing the RD-MV is as follows. • When the login function is set to “Enable” • The registered user name and password can be used to access the RD-MV. •...
  • Page 35 2.7 Setting the Login/Timeout for Ethernet Communications Procedure For the basic flow of operations, see “Flow of Operation using the Operation Keys” on page vi. Press the Menu key to display the setting menu. Press the FUNC key for approximately 3 s to display the basic setting menu. Press the [#10 (Communication)](RD-MV100) or [#6 (Communication)](RD- MV200) soft key to display the communication function setting menu.
  • Page 36 2.7 Setting the Login/Timeout for Ethernet Communications • Selecting whether or not to register the user (On/Off) Press the arrow key to move the cursor to the [On/Off] box under Level. Press either the [On] or [Off] soft key. If you select [On], go to step 11. If you select [Off], go to step 19.
  • Page 37 2.7 Setting the Login/Timeout for Ethernet Communications • Setting the communication timeout time Press the arrow key to move the cursor to the [Time] box. Press the [Input] soft key to display the entry box. In the box, enter the communication timeout time. For the procedures related to entering character strings and values, see the RD-MV100/ RD-MV200 User’s Manual (M-3641/M-3642).

  • Page 38: Displaying The Log Screen Of The Error, Communication, And Ftp

    Displaying the Log Screen of the Error, Communication, and FTP Explanation Displaying the error log A log of operation errors is displayed on the error log screen. Up to the last 50 operation errors are logged. When the number of log entries exceeds 50, room is made by clearing the oldest entries.
  • Page 39 2.8 Displaying the Log Screen of the Error, Communication, and FTP Procedure Displaying the error log Press the FUNC key to display the FUNC menu. The construction of the FUNC menu varies depending on the basic settings and options. If [Next] is displayed as a selection, multiple lines of selections are available.

  • Page 40: Chapter 3 Using The Serial Interface (Option)

    Chapter 3 Using the Serial Interface (Option) Serial Interface (Option) Specifications The specifications for the two types of serial interfaces (RS-232 and RS-422-A/485) on the RD-MV are given below. RS-232 Interface Specifications Connector type D-Sub 9 pin plug Electrical, mechanical Conforms to the EIA-574 standard (for the 9-pin interface of the specifications EIA-232 (RS-232) standard)

  • Page 41: Interface Connector Pin Arrangement And Signal Names, The Connection Procedure, And Handshaking

    RS-232 Interface Connector Pin Arrangement and Signal Names, the Connection Procedure, and Handshaking Connector Pin Arrangement and Signal Names Connector pin arrangement (Rear panel) Pin No. Signal Name Signal Meaning RD (Received Data) Received data from the PC. Input signal. SD (Send Data) Send data to the PC.
  • Page 42 3.2 RS-232 Interface Connector Pin Arrangement and Signal Names, the Connection Procedure, and Handshaking Connection example • OFF-OFF/XON-XON • CS-RS(CTS-RTS) • XON-RS(XON-RTS) The RS on the PC side and the CS on the instrument side do not need to be connected for control. However, we recommend that they be connected so that the cable can be connected in either direction.
  • Page 43 3.2 RS-232 Interface Connector Pin Arrangement and Signal Names, the Connection Procedure, and Handshaking XON-XON • Data transmission control Software handshaking is performed between the RD-MV and the PC. When an X- OFF code is received while sending data to the PC, the RD-MV stops the data transmission.

  • Page 44: Rs-422-A/485 Interface Pin Arrangement And Signal Names And The Connection Procedure

    RS-422-A/485 Interface Pin Arrangement and Signal Names and the Connection Procedure Pin Arrangement and Signal Names (Rear panel) FG (Frame Ground) Case ground of the RD-MV. SG (Signal Ground) Signal ground. SDB (Send Data B) Send data B (+). Send data A (−). SDA (Send Data A) RDB (Received Data B) Received data B (+).
  • Page 45 3.3 RS-422-A/485 Interface Pin Arrangement and Signal Names and the Connection Procedure Connection Example with the Host Computer The instrument can be connected to a host computer that has an RS-232, RS-422-A, or RS-485 port. • For RS-232, use the converter. •...
  • Page 46 3.3 RS-422-A/485 Interface Pin Arrangement and Signal Names and the Connection Procedure Two-wire system Connect the transmission and reception signals with the same polarity on the RS-422- A/485 terminal block. The two-wire system can be used only when using the Modbus protocol.
  • Page 47 Sharp CAUTION Some converters not recommended by Omega FG and SG pins that are not isolated. In this case, do not connect anything to the FG and SG pins as shown in the diagram on the previous page. This can generate a potential difference, especially for long distance communications, and can damage the instrument or cause communication abnormalities.

  • Page 48: The Bit Structure Of One Character And The Operation Of The Receive Buffer

    The Bit Structure of One Character and the Operation of the Receive Buffer The Bit Structure of One Character The serial interface on the RD-MV communicates using start-stop synchronization. With the start-stop synchronization, a start bit is added every time a character is transmitted.

  • Page 49: Configuring The Serial Interface

    Configuring the Serial Interface Explanation Selecting the baud rate Select the baud rate from the following list. 1200, 2400, 4800, 9600, 19200, 38400 Selecting the data length Select the data length from the following list. Make sure to select 8 bits when outputting data in binary format.
  • Page 50 3.5 Configuring the Serial Interface Procedure For the basic flow of operations, see “Flow of Operation using the Operation Keys” on page vi. Press the MENU key to display the setting menu. Press the FUNC key for approximately 3 s to display the basic setting menu. Press the [#10 (Communication)](RD-MV100) or [#6 (Communication)](RD- MV200) soft key to display the communication function setting menu.
  • Page 51 3.5 Configuring the Serial Interface Selecting the parity Press the arrow keys to move the cursor to the [Parity] box. Press one of the soft keys from [Odd] to [None] to select the parity check. Selecting the handshaking (Valid only for the RS-232 interface.) Press the arrow keys to move the cursor to the [Handshaking] box.
  • Page 52 3.5 Configuring the Serial Interface Selecting the communication interface used to output the data in the internal memory and the files on the external storage medium Press the arrow key to move the cursor to the [Memory out] box. Press either the [Ethernet] or the [Serial] soft key. Press the [Serial] soft key when using serial communications.

  • Page 53: Chapter 4 Using The Modbus Protocol

    Chapter 4 Using the Modbus Protocol Modbus Protocol Specifications The Modbus protocol can be used over the serial interface (RS-232 or RS-422-A/485). The Modbus specifications of the RD-MV are as follows. Specification Description Transmission medium RS-232 or RS-422-A/485 Control (Flow control is not available.) RS-232: None only RS-422-A/485: None only Baud rate...

  • Page 54: Register Assignments

    Register Assignments The register assignments of the Modbus protocol are given below. The data in the register do not contain unit and decimal position information. The unit and decimal position information must be set to the Modbus master (host) beforehand. Input register Data 30001...

  • Page 55: Modbus Error Response

    Modbus Error Response The following table contains only the Modbus error responses. For other communication error messages, see the RD-MV100/RD-MV200 User’s Manual (M-3641/M-3642). Code Meaning Cause Bad function code Requested a function that is not supported. For supported functions, see section 4.1, “Modbus Protocol Specifications.”...

  • Page 56: Setting The Configuration That Is Used When The Modbus Protocol Is Used

    Setting the Configuration that is Used When the Modbus Protocol is Used Explanation Selecting the baud rate Select the baud rate from the following list. 1200, 2400, 4800, 9600, 19200, 38400 Selecting the parity check Select the parity check from the following list. Odd, Even, None Selecting the address Select the address from the following values.
  • Page 57 4.4 Setting the Configuration that is Used When the Modbus Protocol is Used Procedure For the basic flow of operations, see “Flow of Operation using the Operation Keys” on page vi. Press the MENU key to display the setting menu. Press the FUNC key for approximately 3 s to display the basic setting menu.
  • Page 58 4.4 Setting the Configuration that is Used When the Modbus Protocol is Used Selecting the address Press the arrow keys to move the cursor to the [Address] box. Press one of the soft keys from [1] to [32] to select the address. If [Next] is displayed as a selection, multiple lines of selections are available.

  • Page 59: Chapter 5 Commands

    Chapter 5 Commands Command Syntax Command Syntax The syntax of the setting/basic setting/output commands (see sections 5.4 to 5.9) of the instrument is given below. ASCII codes are used for the character codes. For the syntax of the maintenance/test commands (see section 5.10) and instrument information output commands (see section 5.11), see the corresponding sections or the examples for each command.
  • Page 60 5.1 Command Syntax Query • A question mark is used to specify a query. • By placing a query after a command or parameter, the setting information of the corresponding command can be queried. Some commands cannot execute queries. For the query syntax of each command, see sections 5.4 to 5.7. Example 1 SR[ p1]? SR? or SR p1? can be executed.

  • Page 61: A List Of Commands

    A List of Commands Setting Commands Command Command Function Execution Administrator User Page Type Name Mode Setting Sets the input range Operation mode Sets the computing equation Operation mode 5-10 Sets the alarm Operation mode 5-10 Sets the date and time Operation mode 5-11 Sets the display update rate/auto-save interval Operation mode...
  • Page 62 5.2 A List of Commands Note • There are two execution modes on the RD-MV. If you attempt to execute a command in a mode that is different from the specification, a syntax error occurs. Use the DS command to switch to the execution mode, then set or control the RD-MV.
  • Page 63 5.2 A List of Commands Basic Setting Commands • In order to activate the settings that are changed using the basic setting commands, the settings must be saved using the XE command. Make sure to save the settings with the XE command before changing from the basic setting mode to the operation mode.
  • Page 64 5.2 A List of Commands Output Commands Command Command Function Execution Administrator User Page Type Name Mode control Sets the output byte order All modes 5-27 Sets the checksum (This command can be used All modes 5-27 only during serial communications) Sets the status filter All modes 5-27...

  • Page 65: Input Range Parameter

    Input Range Parameter The following tables show which measurement ranges of the instrument correspond to the input types of the SR command (input range setting command), VOLT, TC, RTD, DI, and SQRT. The table also shows the ranges for the upper and lower limits of the span. These relationships are not given in the section describing the SR command that appears later in the chapter.
  • Page 66 5.3 Input Range Parameter Digital Input (DI) Measurement Parameter for the Value of the Upper and Value of the Upper and Range SR Command Lower Limits of the Span Lower Limits of the SR (Upper and Lower Limits Command of the Measurement Range) Voltage LEVEL 0 or 1...

  • Page 67: Setting Commands (Setting)

    5.4 Setting Commands (Setting) Resistance temperature detector Setting Commands Digital input Measurement range (Setting) Lower limit of span Upper limit of span Sets the input range Reference channel (RD-MV100: 01 to 12, RD-MV200: 01 to 30) When setting channels to skip Query SR[ p1]? Example...
  • Page 68 5.4 Setting Commands (Setting) • For parameters p5 and p6, enter a value Example Set the computation channel to 31, the using 5 digits or less excluding the decimal. computation to ON, the computing equation The decimal position is fixed to the position to the sum of channel 01 and 02, span indicated in the table in section 5.3.
  • Page 69 5.4 Setting Commands (Setting) Relay number (RD-MV100: I01 to I06, • For computation channels, the alarm RD-MV200: I01 to I06/ I11 to I16/ I21 hysteresis is fixed to zero. Use the XA to I26, I31 to I36) command to set the alarm hysteresis. Query SA[ p1[,p2]]? Sets the date and time...
  • Page 70 5.4 Setting Commands (Setting) Zone lower limit (0 to 95)[%] Sets the tag Zone upper limit (5 to 100)[%] Query SZ[ p1]? Syntax ST p1,p2<terminator> Example Display channel 02 in a zone between 30% Channel number (RD-MV100: 01 to 12 or and 50%.
  • Page 71 5.4 Setting Commands (Setting) Example Set the display direction of the trend Sets the message waveform to horizontal, the direction of the bar graph to vertical, the background Syntax SG p1,p2<terminator> color to white, the line width of the Message number (1 to 8) trend to 1 dot, the width of the trip Message (Up to 16 characters) line to 2 dots, and the number of grids...
  • Page 72 5.4 Setting Commands (Setting) Syntax SF p1,p2<terminator> Example Set the LCD brightness to 2, the screen Channel number (RD-MV100: 01 to 04, backlight saver function to ON, the time RD-MV200: 01 to 08) after which to enable the screen Filter (OFF, 2S, 5S, 10S) backlight saver function to 1MIN, and the Query SF[ p1]?
  • Page 73 5.4 Setting Commands (Setting) 2 to digital display, the group number to • This command cannot be specified while display in screen 2 to 2, the display measurement/computation is in progress or item of screen 3 to bar graph display, while a report is being created.
  • Page 74 5.4 Setting Commands (Setting) Convert to a physical amount in Year (00 to 99) unit of hours that are Month (01 to 12) integrated. Day (01 to 31) Query SJ[ p1]? Hour (00 to 23) Example Set timer 1 to computation channel number Query SS[ p1]? No conversion of time unit.

  • Page 75: Setting Commands (Control)

    5.4 Setting Commands (Setting)/5.5 Setting Commands (Control) Setting Commands (Control) Switches the screen. When switching the screen back to the screen that existed before settings were changed using the communication commands. Syntax UD p1<terminator> Switching the screen (0) Example Switch the screen back to the screen that existed before settings were changed using communication commands.
  • Page 76 5.5 Setting Commands (Control) The group number (1 to 4) to display Example Display the screen of 4 screen display in the lower left quadrant of the number 1 that was specified with the SY divided screen (screen 2) command. The display item of the upper right UD 3,1 quadrant of the divided screen...
  • Page 77 5.5 Setting Commands (Control) • This command can be used on models with Manual sample, Manual trigger, the computation function option /M1. snapshot, saving display data, and saving event data Switches execution modes (operation/basic setting) Syntax EV p1<terminator> Operation type Syntax DS p1<terminator>...

  • Page 78: Basic Setting Commands

    5.5 Setting Commands (Control)/5.6 Basic Setting Commands • This command cannot be specified on Basic Setting Commands models that do not have an external storage device or when a medium is not inserted into the drive. • In order to activate the settings that are changed using the basic setting commands, the settings Sets the communication input must be saved using the XE command.
  • Page 79 5.6 Basic Setting Commands Example Set relay numbers I01 to I12 to AND Example Set the reference junction compensation logic. Enable reflash. Set the alarm to of channel 02 to external and set the compensation value to 0 µV. energizing and hold. Set the alarm status display to hold.
  • Page 80 5.6 Basic Setting Commands Syntax XM p1,p2,p3,p4,p5,p6,p7,p8,p9, Syntax XU p1,p2,p3,p4,p5<terminator> p10<terminator> The display used to identify the Saving method to the external storage measurement/computation channels medium (AUTO, MANUAL) (TAG, CHANNEL) Data type (DISPLAY, EVENT, E+D) Memory alarm time (1H, 2H, 5H, 10H, Sample rate of event data (125MS, 20H, 50H, 100H) 250MS, 500MS, 1S, 2S, 10S, 30S, 60S,...
  • Page 81 5.6 Basic Setting Commands MATH RESET Reset MATH Reset/not reset the integrated value TIME ADJUST when the timer expires. (ON/OFF) Adjust time Action to take when the timer expires Query XR[ p1]? (OFF, DATA SAVE) Query XQ[ p1]? Example Set the remote action of remote number 1 to writing message 1.
  • Page 82 5.6 Basic Setting Commands Because the sampled data are integrated Example Create a daily report at 9 o'clock everyday, and a weekly report every over each scan interval, the physical value Tuesday. integrated over a given period of time may be different from the actual integrated value.
  • Page 83 5.6 Basic Setting Commands XH USE,ON,USE Syntax YN p1,p2,p3,p4,p5,p6,p7<terminator> Use/Not use the DNS (ON) Sets whether or not to store the Address of the primary DNS server basic settings (0.0.0.0 to 255.255.255.255) Address of the secondary DNS server Syntax XE p1<terminator> (0.0.0.0 to 255.255.255.255) Store or discard the settings (STORE, Host name (Up to 64 characters)
  • Page 84 5.6 Basic Setting Commands Example Set the baud rate to 9600, the data Clear all measured/computed data length to 8, the parity check to ODD, and initialize the setup data of handshaking to OFF:OFF, the RS-422-A/485 the setting mode. address to 02, and the protocol to Clear all measured/computed data.

  • Page 85: Output Commands (Control)

    5.7 Output Commands (Control)/5.8 Output Commands (Setup, measured, and computed data output) Output Commands (Setup, Output Commands measured, and computed (Control) data output) Sets the output byte order Outputs screen image data Syntax BO p1<terminator> Byte order Syntax FC p1<terminator> Sends MSB first.
  • Page 86 5.8 Output Commands (Setup, measured, and computed data output) FIFO buffer length: 240 intervals (scan last channel number (RD-MV100: 01 to interval) 12 or 31 to 42, RD-MV200: 01 to 30) Maximum buffer period: 240 x (acquiring Example Output the most recent measured/computed period) data from channel 1 to 5 in ASCII format.
  • Page 87 5.8 Output Commands (Setup, measured, and computed data output) Outputs data saved in the Outputs display data and event external storage medium data acquired in the internal memory Syntax ME p1,p2,p3<terminator> Operation type Syntax MI p1,p2,p3,p4<terminator> Output the file list Operation type Output (first time) Put the data on standby for...
  • Page 88 5.8 Output Commands/5.9 Output Commands (RS-422-A/485 Dedicated Commands) Outputs TLOG data, manual Output Commands (RS- sampled data, and report data acquired in the internal memory 422-A/485 Dedicated Syntax MO p1,p2,p3<terminator> Commands) Operation type Put the data on standby for communication output and ESC O Opens the instrument output data list Syntax...
  • Page 89 5.10 Maintenance/Test Commands Outputs Ethernet statistical 5.10 Maintenance/Test information Commands (Available Syntax eth<terminator> Example when using the maintenance/test server function via Ethernet 00/00/00 12:34:56 communications) Ethernet Statistics close Disconnects the connection Name In Pkt In Err Out Pkt Out Err 16 Coll between other devices Syntax...
  • Page 90 5.10 Maintenance/Test Commands / 5.11 Instrument Information Output Commands TCP: keepalive Keepalive check cycle TCP: connects Total number of established connections. TCP: closed Total number of dropped connections. TCP: timeoutdrop Total number of dropped connections due to TCP retransmission timeout. When the transmitted packet (the unit of transmitted data) is not received, the packet is automatically...

  • Page 91: Chapter 6 Response

    Chapter 6 Response Response Syntax The following table shows the types of responses for the various commands described in the previous chapter. The RD-MV returns a response (affirmative/negative response) to a command that is separated by a single delimiter. The controller should follow the one command to one response format.
  • Page 92 6.1 Response Syntax ASCII Output The following types of ASCII data are available. For the data formats, see section 6.2. Setting data, basic setting data, decimal position/unit information, measured/ computed data, communication log, FTP log, operation error log, key login log, status information, file list, data list, and user level Syntax EACRLF...
  • Page 93 6.1 Response Syntax Flag Bit Name (abbreviation) Flag Meaning of the flag Output byte order Existence of a check sum – – – – – – – – – – – – – – – Middle In the middle or at the end of the continuous data •...
  • Page 94 6.1 Response Syntax Calculating the sum value When the CS command parameter is set to “1,” check sum values are output only during serial communications. The check sum is the same as that used in the TCP/IP and is derived according to the following algorithm. Buffer on which the sum value is calculated •...
  • Page 95 6.1 Response Syntax RS-422-A/485 Dedicated Response The following table shows dedicated commands for the RS-422-A/485 interface and their responses. Command syntax Meaning Response ESC O_xx CRLF Open the instrument • Response from the instrument with the specified address ESC_O_xx_CRLF (_ Space) •...

  • Page 96: Output Format Of Ascii Data

    Output Format of ASCII Data The following types of ASCII data are available. The format for each type is described in this section. • Setting data/basic setting data • Decimal position/unit information • Measured/computed data • Communication log • FTP log •...
  • Page 97 6.2 Output Format of ASCII Data Example SR01,VOLT,20mV,0,20 SR02,VOLT,20mV,0,20 ··················· Decimal Position/Unit Information • The FE command is used to output the data. • The measured/computed data that are output using the FD command contains only the mantissa. By combining with the BINARY display data or the decimal position information obtained with the FE command, the correct measured/computed data can be derived.
  • Page 98 6.2 Output Format of ASCII Data Measured/Computed Data • The FD command is used to output the data. • The measured/computed data that are output using the FD command contains only the mantissa. By combining with the BINARY display data or the decimal position information obtained with the FE command, the correct measured/computed data can be derived.
  • Page 99 6.2 Output Format of ASCII Data Sign (+, -) ddddd Mantissa (00000 to 99999, 5 digits) • 8 digits for computed data. • For abnormal data (data status is E) or data of which the mantissa or the exponent exceeds the range (data status is O), the mantissa is set to 99999 (99999999 for computed data).
  • Page 100 6.2 Output Format of ASCII Data individual logs (1 log for 1 command and 1 log for 1 response). Input/Output > : input < : output mmm···m Message (up to 20 characters) • The communication log contains only the error number and not the error message section..
  • Page 101 6.2 Output Format of ASCII Data FTP Log • The FL command is used to output the data. • The FTP client log is output. Up to 50 file transfer logs are retained. Logs that exceed 50 are cleared from the oldest log. •...
  • Page 102 6.2 Output Format of ASCII Data Operation Error Log • The FL command is used to output the data. • The operation error log is output. Up to 50 operation error logs are retained. Logs that exceed 50 are cleared from the oldest log. •...
  • Page 103 6.2 Output Format of ASCII Data Example 99/05/11 12:20:00 In 01 administrator 99/05/11 12:30:00 Out 99/05/11 12:20:00 In 03 user 99/05/11 12:30:00 Out Status Information • The IS command is used to output the data. • The operation status of the RD-MV is output. •...
  • Page 104 6.2 Output Format of ASCII Data File List • The ME command is used to output the data. • The file list and the file data sizes of the specified directory on the RD-MV’s external storage medium are output. Syntax EACRLF ffffffff_eee_ssssssss_yy/mo/dd_hh:mi:ss_llllllllllCRLF ······················································...
  • Page 105 6.2 Output Format of ASCII Data Data List • The MI/MO command is used to output the data. • The number of blocks and file names of the specified data in the internal memory are output. • When the first parameter of the MI/MO command is DIR, the data in the internal memory is put on a standby and the list is output.
  • Page 106 6.2 Output Format of ASCII Data User Level • The FU command is used to output the data. • User name, user level, and other information are output. Syntax EACRLF p_l_uuu···uCRLF ENCRLF Physical layer E : Ethernet S : RS-232 or RS-422-A/485 User level A : Administrator U : User...

  • Page 107: Output Format Of Binary Data

    Output Format of BINARY Data This section describes the output format of the BINARY data that is disclosed. For other BINARY data, see “Identifier” on page 6-3. • Measured/computed data and FIFO data • Display data • Event data Note The “CRLF”...
  • Page 108 6.3 Output Format of Binary Data • Flag The meaning of the flags are given on the table below. The flags are valid during FIFO data output. The flags are undefined for other cases. Flag Meaning of the flag Indicates that the screen snap shot was executed. –...
  • Page 109 6.3 Output Format of Binary Data Display Data • The MI command is used to output the FIFO data. • The ID number of the output format is “11.” See “Identifier” on page 6-3. Header Block 1 BINARY data · · · (The BINARY data section Block n on the “Conceptual diagram”...
  • Page 110 6.3 Output Format of Binary Data Block 2 bytes 2 bytes MIN value MAX value Measured data Measured data · · · · · · · · · · · · Computed data Computed data · · · · · · ·...
  • Page 111 6.3 Output Format of Binary Data Event Data • The MI command is used to output the FIFO data. • The ID number of the output format is “12.” See “Identifier” on page 6-3. Header Block 1 BINARY data · · · (The BINARY data section Block n on the “Conceptual diagram”...

  • Page 112: Output Format Of Instrument Information

    Packet Parameter Sent as Commands Response The “all” parameter can be used to output all information for parameters serial, model, host, and ip. serial = 12V636848 model = OMEGA,RD-MV200,1.01 host = RD-MV200-1 ip = 192.168.111.24 Parameters are not case sensitive.

  • Page 113: Chapter 7 Status Report

    Chapter 7 Status Report Status Information and Filter The following figure depicts the status information and filter on this instrument. 4 bytes Status information Filter Condition register • The IF command can be used to set the filter. • When a status indicated on the following page is entered, the corresponding bit in the condition register is set to “1.”...

  • Page 114: The Bit Structure Of The Status Information

    The Bit Structure of the Status Information The following four groups of status information are output in response to a status information output request using the IS command. For the output format, see “Status Information” in section 6.2, “Output Format of ASCII Data.” Status Information 1 (Operation complete) Name Description...

  • Page 115: Appendix

    Appendix Appendix 1 ASCII Character Codes Upper 4 bits & – ° App-1...

  • Page 116: Appendix 2 Output Flow Of Internal Memory Data

    Appendix 2 Output Flow of Internal Memory Data Display Data Example Command to send START Command description Received response data Send command Put the internal memory data in standby for communication MI DIR,DISPLAY output and view the data list. Receive response ASCII (see page 6-15) 01 10102400 DDS···...
  • Page 117 Appendix 2 Output Flow of Internal Memory Data Event data (Set *1, *2, and *3 in the previous figure to the following commands) *1 : MI DIR,EVENT Output the list. *2 : MI GET,EVENT,2,FILE Output the data of the second block to a file. *3 : MI NEXT If there are subsequent data, output the data.

  • Page 118: Appendix 3 Output Flow Of The File Or The File List In The External Storage Medium

    Appendix 3 Output Flow of the File or the File List in the External Storage Medium Example in which the file 10101000.DDS in the DATA0 directory is output Command to send START Command description Received response data Send command Specify the file name using the full path, ME GET,/DATA0/10101000.DDS and output the file.
  • Page 119 Appendix 3 Output Flow of the File or the File List in the External Storage Medium Example in which the file list belonging to directory DATA0 is output 10 files at a time Command to send START Command description Received response data Send command Output command for the first file list Specify the number of file lists to be...

  • Page 120: Appendix 4 Output Flow Of Fifo Data

    Appendix 4 Output Flow of FIFO Data Overview of the FIFO Buffer The RD-MV has a dedicated internal memory for outputting measured/computed data. This memory is structured as a FIFO (First-In-First-Out). Measured/computed data are constantly acquired to the internal memory at the specified acquiring interval (FIFO acquiring interval, set with the FR command).
  • Page 121 Appendix 4 Output Flow of FIFO Data Example in which the FIFO acquiring interval on the RD-MV112 is set to 1 s and the measured/computed data from CH1 to CH12 are continuously output using the FIFO function Command to send START Command description Received response data...

  • Page 122: Appendix 5 A List Of Error Messages

    Errors Related to Parameter Settings • Setting Errors Code Message Explanation/Countermeasures/Ref. section System error. Contact your nearest Omega dealer. Incorrect date or time setting. See section 3.7.* A disabled channel is selected. See sections 5.4, 5.6, and 5.8. Incorrect function parameter.
  • Page 123 Appendix 5 A List of Error Messages Code Message Explanation/Countermeasures/Ref. section SUBNET mask is incorrect. See section 5.6. The net part of default gateway is not equal to that of IP address. See section 5.6. FTP client failed because the memory mode is ‘manual’. See section 5.6.
  • Page 124 Appendix 5 A List of Error Messages • Errors related to FTP client For information regarding the FTP client function of the RD-MV200, see the RD-MV100/ RD-MV200 Communication Interface User’s Manual (M-3643). Code Message IP address is not set or FTP function is not available. Further details are provided by the character string that appears after error code 280.
  • Page 125 Appendix 5 A List of Error Messages Code Message FTP command was not accepted. Further details are provided by the character string that appears after error code 283. Character String and Details USER Failed user name verification. Check the user name setting. PASS Failed password verification Check the password setting.
  • Page 126 Appendix 5 A List of Error Messages Code Message FTP data connection error. Further details are provided by the character string that appears after error code 285. Character String and Details SOCKET Failed to create a socket for the transfer connection.* BIND Failed the transfer connection command.* CONNECT...
  • Page 127 Appendix 5 A List of Error Messages • Memory Access Errors during Setting and Basic Setting Modes and Output Communication Command Execution An English error message is returned via the communication interface. It is not displayed on the screen. Code Message Output interface must be chosen from Ethernet or RS by using ‘XO’...
  • Page 128 Index help ................5-31 host ................5-32 IF ................5-27 account ................2-11 ip ................. 5-32 address ..............3-10, 4-4 IS ................5-28 administrator .............. 1-4, 2-17 LI ................. 5-19 affirmative response ............6-1 LO ................5-19 arrow key ................iv ME ................
  • Page 129 Index YS ................5-25 YT ................5-26 handshaking ............... 3-3, 3-10 command name ..............5-1 header ..............6-19, 6-21 command syntax ..............5-1 header sum ................. 6-2 command-response ............6-1 hold register ................ 4-2 communication distance ............. 3-1 host name ................2-3 communication function ............
  • Page 130 Index output format (event BINARY data) ........6-21 output format (FIFO BINARY data) ........6-17 terminator ............. 3-1, 3-8, 5-2 output format (file list) ............6-14 time out ................1-4 output format (FTP log) ............. 6-11 timeout time ..............2-18 output format (key login log) ..........
  • Page 131 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, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
  • Page 132 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at www.omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors...

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