MG 48N Series Operating Manual
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MG 48N Series Operating Manual

MG 48N Series Operating Manual

Bargraph indicating alarm (with 4-digit digital meter)
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Bargraph Indicators 48N Series
BARGRAPH INDICATING ALARM
(with 4-digit digital meter)
Model: 48NDV
OPERATING MANUAL
MG CO., LTD. www.mgco.jp
48NDV EM-9436-B Rev. 3
1
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

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  • Page 1 Bargraph Indicators 48N Series BARGRAPH INDICATING ALARM (with 4-digit digital meter) Model: 48NDV OPERATING MANUAL MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 2: Table Of Contents

    4. SETTING ALARM ON DELAY TIME ............28 4.1 OPERATING PROCEDURE ....................29 5. AVERAGING INPUT ................30 5.1 OPERATING PROCEDURE ....................31 6. ADJUSTING BRIGHTNESS OF DISPLAY ...........32 6.1 OPERATING PROCEDURE ....................33 MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 3 9.1 DETACHING SCALE PLATE ....................42 9.2 ATTACHING SCALE PLATE ....................42 10. INSPECTION AND CLEANING ............43 11. APPENDICES..................44 11.1 SPECIFICATIONS ......................44 11.2 MODEL NUMBERING .......................47 11.3 PARAMETER LIST ......................49 MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 4: Introduction

    Included when the ex-factory setting is the selected option code. selected as option. ■ MODEL NO. Confirm Model No. marking on the product to be exactly what you ordered. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 5: Safety Precautions (That Must Be Observed)

    • Excessive fastening may result in damage of the screws and loose screws may occasionally result in ignition. Do not throw the unit into the fire. • Doing so may result in rupture of the electronic component. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 6 • Doing so may result in inflammation, ignition, or smoke. Do not cover the ventilation slits with cables, etc. • Doing so may result in malfunction or heating. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 7: Points Of Caution

    – Where there are high-voltage lines, high-voltage equipment, power lines, power equipment, equipment with transmis- sion unit such as a ham radio equipment, and/or equipment generating large switching surges around the unit. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3...
  • Page 8 – The packing is running off the edge. – The packing is torn or broken. – There are foreign objects caught between the packing and the unit or the panel. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 9: Component Identification

    Setpoint 1 value Pattern 2 (Bar LED color code: C2) UP button Setpoint 2 green PV value Setpoint 1 Mode button orange green DOWN button Digital Indicator MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 10 LL setpoint value Pattern 2 (Bar LED color code: C2) LL setpoint LED UP button green PV value Mode button orange green DOWN button Digital Indicator MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 11 • Turns on when LL alarm is tripped (4-point alarm only). LL limit LED green • Blinks while setting LL setpoint value or LL ON delay time (4-point alarm only). MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 12 • Right side • Rear side Speci cations Connection diagram • Left side Connection diagram NOTE • These markings differ depending on the specifications of the ordered product. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 13: Installation

    *3. Used for the existing DIN panel cutout (33 × 138 mm) *4. Used for the existing panel cutout of Fuji Electric PAJ, PAK, PBA (44 × 138 mm), etc. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 14: Installation

    For clustered mounting of two or more units, attach one bezel in between the units. Bezel • Single mounting • Clustered mounting (when mounting 3 units) MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 15: Mounting The Unit On A Panel

    • Accompanying bezels are not used when a panel with a cutout of the specified size for 48NDV is used in single mount- ing or clustered mounting. • Sufficient space (at least 3 cm high) is necessary both above and below the unit for heat dissipation. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 16: Wiring Instructions

    • When using non-insulated solderless terminals, cover them with insulating caps or tubes. • Ring tongue terminals are recommended rather than spade tongue terminals to prevent from coming off. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 17: Terminal Assignment

    • Take measures to reduce noise as much as possible, e.g., by using shielded twisted pair wires for the input signal. • Ground the input shield to the most stable earth to prevent noise troubles. • Do not connect anything to unused terminals. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 18: Wiring Alarm Outputs

    Alarm output code: 2 Alarm output code: 4 H alarm output HH alarm output H alarm output L alarm output L alarm output LL alarm output MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 19: Wiring Power

    • Use wires as thick as possible and twist them from the end. • For DC power, confirm the polarity. Power AC Power DC Power MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 20: Attaching/Detaching Terminal Block

    1.6.8 OPENING/CLOSING TERMINAL COVER The terminal cover can be opened/closed easily with fingers. Be sure to close the terminal cover for safety after wiring. Opening/closing of the terminal cover MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 21: Basic Setting And Operation

    Please reconfigure them. • is displayed to indicate that L/LL alarm setpoint (Setting 1) value is below 0% or H/HH alarm setpoint (Setting 2) value is above 100%. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 22: Mode Transition

    The value returns to the value before change or adjustment. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 23: Shift Through Parameter Items

    S LED blinking S LED blinking Setting 2 2 LED blinking * Item Nos. 1 and 5 are only available for Display patterns 1 and 2. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 24 H LED blinking HH Setpoint HH ON delay time HH LED blinking HH LED blinking * Item Nos. 1 and 7 are not available for 2-point alarm. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 25: Setting Alarm Output

    In 4-point alarm, set LL and HH prior to L and H. • The user cannot change alarm output logic or set all the alarm outputs to H (or L). MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 26: Alarm Trip And Bargraph Color Display Operation

    ■ EXAMPLE OF COLOR DISPLAY OPERATION OF DISPLAY-ONLY PATTERNS 1 AND 2 Bar LED Color Code: C1 Bar LED Color Code: C2 Input signal Setpoint 2 green green Setpoint 1 orange orange MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 27: Operating Procedure

    Shift to each item to be changed and perform the same procedure from Steps 2 to 4. • For the setting range in Step 3, refer to "3.1 SETTING RANGE AND INITIAL SETTING" on page 25. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3...

  • Page 28: Setting Alarm On Delay Time

    • For display-only patterns 1 and 2, ON delay time is configurable, however, DO NOT change from the initial setting ); otherwise, a deviation may occur between timing when the bargraph color display is switched and timing when LED (1) or (2) turns ON. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 29: Operating Procedure

    • Other alarm ON delay times can be set in the same manner. Shift to each item to be changed and perform the same procedure from Steps 2 to 5. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 30: Averaging Input

    (2) After the number of samples reaches the set value, averaging calculation is performed with a new sample added and the oldest one omitted. Such operation is repeated. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 31: Operating Procedure

    • It is selectable from among , and Press button to register the number of samples. • The value is registered and the unit returns to Measuring mode. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 32: Adjusting Brightness Of Display

    Brightness level 2 Brightness level 3 Brightness level 4 Brightness level 5 Brightness level 6 Brightness level 7 (bright) ■ ADJUSTMENT IMAGE Brighter Brighter Darker Darker MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 33: Operating Procedure

    Change the brightness using button. • Select one among Press button to register the adjusted brightness. • The value is registered and the unit returns to Measuring mode. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 34: Setting Digital Indicator

    “Decimal Point Position” , however, the actual settings can be performed in any order. NOTE • Digital indicator zero/span adjustment can also be performed along with bargraph zero/span adjustment. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 35: Operating Procedure For Setting Digital Indicator Zero Adjustment

    • It can be set within the range between Press button to register the digital indicator zero adjustment. • The value is registered and the unit returns to Measuring mode. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 36: Operating Procedure For Setting Digital Indicator Span Adjustment

    • It can be set within the range between Press button to register the digital indicator span adjustment. • The value is registered and the unit returns to Measuring mode. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 37: Operating Procedure For Setting Decimal Point Position

    3 digits after the decimal point (10 Press button to register the decimal point position. • The value is registered and the unit returns to Measuring mode. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 38: User Calibration

    Check that the bargraph and digital indicator each show 0%, 25%, 50%, 75%, 100% and remain within the specified ac- curacy range. When their values are out of the range, calibrate the unit according to each method of adjustment described above. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 39: Bargraph Zero/Span Adjustment

    • In the following operating procedure, input signal is applied in Step 1, however, input signal can be applied at any timing before pressing button in Step 4. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 40: Operating Procedure Of Bargraph Zero Adjustment

    Refer to steps [3] and [4] in "7.3 OPERATING PROCEDURE FOR SETTING DIGITAL INDICATOR ZERO ADJUST- MENT" on page 35. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 41: Operating Procedure Of Bargraph Span Adjustment

    Refer to steps [3] and [4] in "7.4 OPERATING PROCEDURE FOR SETTING DIGITAL INDICATOR SPAN ADJUST- MENT" on page 36. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 42: Replacement Of Scale Plate

    1) Fit the convex portions at the bottom end of the scale plate into the concave portions of the unit. 2) Press the scale plate against the unit. 3) Pull down the slider until it clicks into place. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 43: Inspection And Cleaning

    When checking, interrupt electricity to the power, input, and alarm output for safety. • Periodically check that the mounting brackets are fixed tightly. Loose brackets may cause drop of the unit. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 44: Appendices

    Decimal point position , 10 , 10 , or none –1 –2 –3 Zero indication Leading zeros suppression Engineering unit Max. 6 characters printed on the scale plate MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 45: Output Specifications

    -5 to +55°C (23 to 131°F) Operating humidity 30 to 90% RH (non-condensing) Altitude up to 2000 meters Mounting Panel flush mounting Weight 300 g (0.66 lb) MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 46 The UK legislations and designated standards are equivalent to the applicable EU directives. (Refer to our web site for more information about the legislations and designated standards.) MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 47: Model Numbering

    /D: Bezels for DIN panel cutout /F: Bezels for Fuji Electric’s PAJ, PAK, PBA panel cutout Other Options Blank: none /Q: Option other than the above (specify the specification) MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 48 Moving parts and indicators are not coated. /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating EX-FACTORY SETTING /SET: Preset according to the Ordering Information Sheet (No. ESU-9436) MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

  • Page 49: Parameter List

    HH ON delay time 0 – 15 HH blinking ---- Second * HH and LL related settings are not available for 2 points alarm models. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...
  • Page 50 As per the User- set position defined * Setpoint 1 and Setpoint 2 related settings are available only for Display only patterns 1 and 2 models. MG CO., LTD. www.mgco.jp 48NDV EM-9436-B Rev. 3 5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN...

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