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    Dwyer MSX-W12

    Uploaded by

    Jack May
    This document provides information on configuring and using the Dwyer MSX unit. It can measure pressure, velocity, or flow with outputs of 4-20 mA or voltage. DIP switches are used to select the units of measurement, measurement mode, output range, and other settings. The LCD display can show real-time readings and error messages. Calibration involves zero and span adjustments. Menus allow modifying settings like alarms and k-factors. Proper maintenance involves no repairs, just returning the unit if needed.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Dwyer MSX-W12

    Uploaded by

    Jack May
    258 views6 pages
    This document provides information on configuring and using the Dwyer MSX unit. It can measure pressure, velocity, or flow with outputs of 4-20 mA or voltage. DIP switches are used to select the units of measurement, measurement mode, output range, and other settings. The LCD display can show real-time readings and error messages. Calibration involves zero and span adjustments. Menus allow modifying settings like alarms and k-factors. Proper maintenance involves no repairs, just returning the unit if needed.

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    Dwyer msx-w12

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    This document provides information on configuring and using the Dwyer MSX unit. It can measure pressure, velocity, or flow with outputs of 4-20 mA or voltage. DIP switches are used to select the units of measurement, measurement mode, output range, and other settings. The LCD display can show real-time readings and error messages. Calibration involves zero and span adjustments. Menus allow modifying settings like alarms and k-factors. Proper maintenance involves no repairs, just returning the unit if needed.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    258 views6 pages

    Dwyer MSX-W12

    Uploaded by

    Jack May
    This document provides information on configuring and using the Dwyer MSX unit. It can measure pressure, velocity, or flow with outputs of 4-20 mA or voltage. DIP switches are used to select the units of measurement, measurement mode, output range, and other settings. The LCD display can show real-time readings and error messages. Calibration involves zero and span adjustments. Menus allow modifying settings like alarms and k-factors. Proper maintenance involves no repairs, just returning the unit if needed.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 6

    Dwyer MSX

    Unit: CFM
    Range: 15000 CFM Max
    Unidirectional
    4-20 mA current output

    DIP Switches 1 and 2 - Unit of Measure Selection


    DIP Switches 1 and 2 work as a pair to select the unit of measure.
    1 = OFF
    2 = ON

    DIP Switch 3 - Pressure vs Velocity/Flow Mode of Operation


    3 = ON DIP Switch 3 toggles between pressure output vs velocity or flow
    output.
    • When the switch is in the OFF or down position, the device is in
    Pressure Mode.
    • When the switch is in the ON or up position, the device is in
    Velocity/Flow Mode.
    4 = OFF (NA) DIP Switch 4 - Voltage Output Range
    Voltage output range can be either 0-10 V or 0-5 V depending on the
    position of DIP
    Switch 4.
    • When the switch is in the OFF or down position, the output will be
    0-10 V.
    • When the switch is in the ON or up position, the output will be 0-5
    V.
    DIP Switch 5 - Unidirectional vs Bidirectional Output
    DIP Switch 5 can be set to measure pressure in one direction
    5 = OFF (unidirectional) or in both
    directions (bidirectional).
    • When the switch is in the OFF or down direction, the transmitter
    will be set for unidirectional and will be 0 based (i.e. 0 to 5 in w.c.).
    • When the switch is in the ON or up position, the transmitter will be
    set for
    bidirectional and will be ± the maximum of the selected range (i.e. ±5
    in w.c.).
    6 = OFF DIP Switch 6 - Response Time Selection
    DIP Switch 6 toggles to select the desired response time.
    • When the switch is in the OFF or down direction, the transmitter
    response time will
    be instantaneous.
    • When the switch is in the ON or up direction, the response time will
    be 3 seconds

    7 = ON

    8 = OFF

    Wiring for:
    2-wire 4-20 mA current
    output
    CALIBRATION
    The transmitter security feature must be unlocked before calibration is accessible. See
    Section Program Menu-Menu Access Security. There is a 3 second delay from the
    time the zero or span calibration buttons are released until the time that the change
    in calibration takes place. This delay is used to prevent stress related offsets on the
    lower ranges.
    Zero Calibration
    The zero calibration can be set by applying zero pressure to both of the pressure ports
    and pressing the zero button for 3 seconds. If the LCD display is present, the display
    will read ZERO and then sequence back to the home display.
    Span Calibration
    The span calibration function allows the pressure value to be adjusted so that the
    currently applied pressure is the maximum configured pressure. This will in turn set
    the maximum analog output at the set pressure. It is recommended that the ZERO
    function be applied before performing a span. Apply the maximum desired pressure
    to the device, press and hold span for 3 seconds. If the LCD display is present, SPAN
    is displayed. The span function will be processed 3 seconds after the span button is
    released.
    LCD DISPLAY MAINTENANCE/REPAIR
    The LCD comes with a housing cover, which contains a window. The display plugs Upon final installation of the Series MSX, no routine maintenance is required. The
    into the pins on top of the circuit board. The LCD is 180° rotatable so that it will read Series MSX is not field serviceable and should be returned if repair is needed. Field
    properly if the device must be mounted with the connections facing up. repair should not be attempted and may void warranty.

    The following error messages will appear if an LCD is present and the device is an This symbol indicates waste electrical products should not be disposed
    error state. of with household waste. Please recycle where facilities exist. Check with
    your Local Authority or retailer for recycling advice.
    LCD Error Messages
    Error Code Message
    OVER The applied pressure is 3% greater than the selected output high WARRANTY/RETURN
    value causing an Over Range Error. Refer to “Terms and Conditions of Sale” in our catalog and on our website. Contact
    UNDR The applied pressure is 1% less than the selected output low value customer service to receive a Return Materials Authorization (RMA) number before
    causing an Under Range Error. shipping the product back for repair. Be sure to include a brief description of the
    FAIL When the span button is pressed, the pressure value is out of the problem plus any additional application notes.
    range to allow a correct setting.
    ER 1 The pressure applied to the sensor is beyond its ability to read.
    ER 2 The pressure sensor is communicating but reporting an internal error.
    ER 3 The pressure sensor is not communicating.
    ER 4 The stored user settings are invalid.
    ER 5 The stored factory settings are invalid.
    ER 6 Non-volatile user memory has failed.
    ER 7 Non-volatile factory memory has failed.

    PROGRAM MENU
    Home Menu
    During normal operation, the display will be in the Home Menu and will display the
    current measured pressure and the engineering units.

    Menu Access Security


    By default, a PIN code is not required to enter the configuration menus. However, if
    access to the menus needs to be restricted, follow the steps below.
    1. While in the Home Menu, press and hold the Zero and Span buttons until “PIN”
    is displayed.
    2. Press and hold the Zero and Span buttons until the current PIN setting is
    displayed (default is 0000).
    3. Use the Zero button to increment the selected digit (denoted by the caron ) or
    press the Span button to select the next digit to the right.
    4. Any value between 0001 and 9999 will result in the requirement to enter the PIN
    each time the menu is entered. The value 0000 will disable the PIN entry
    requirement.
    5. Press and hold the Span button until the next menu is displayed. PIN security set
    up is now complete.
    MSX MAIN UI AND PRESSURE FLOWCHART
    MENU LEGEND
    PRESS ZERO/VALUE BUTTON HOLD ZERO/VALUE BUTTON
    POWER ON PRESS SPAN/DIGIT BUTTON HOLD SPAN/DIGIT BUTTON
    (RESET) PRESS EITHER ZERO/VALUE HOLD BOTH ZERO/VALUE
    OR SPAN/DIGIT BUTTON AND SPAN/DIGIT BUTTON

    DISPLAY ALL
    SEGMENTS

    HOME
    SCREEN
    FIRMWARE VERSION
    (MAY VARY)

    HOME SCREEN
    (MODE = PRESSURE) HOME
    SCREEN

    PIN MENU HOME


    SCREEN

    K-FACTOR MENU FLOW


    MENU

    VELOCITY
    MENU

    PRESSURE MENU
    (OUTPUT LOW MENU)

    PRESSURE MENU
    (OUTPUT HIGH MENU)

    PRESSURE MENU
    (ALARM LOW)

    PRESSURE MENU
    (ALARM HIGH)

    RESET MENU

    S S

    HOME
    SCREEN POWER ON
    (RESET)
    MSX VELOCITY SETTINGS FLOWCHART
    MENU LEGEND
    PRESS ZERO/VALUE BUTTON HOLD ZERO/VALUE BUTTON
    PRESS SPAN/DIGIT BUTTON HOLD SPAN/DIGIT BUTTON
    PRESS EITHER ZERO/VALUE HOLD BOTH ZERO/VALUE
    OR SPAN/DIGIT BUTTON AND SPAN/DIGIT BUTTON
    VELOCITY
    MENU

    VELOCITY MENU
    (OUTPUT LOW MENU)

    VELOCITY MENU
    (OUTPUT HIGH MENU)

    RESET MENU

    HOME POWER ON
    SCREEN (RESET)

    MSX FLOW SETTINGS FLOWCHART

    FLOW
    MENU

    FLOW MENU
    (AREA)

    FLOW MENU
    (OUTPUT LOW MENU)

    FLOW MENU
    (OUTPUT HIGH MENU)

    RESET MENU

    HOME POWER ON
    SCREEN (RESET)

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