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M-system M3LM Operating Manual

Potentiometer transmitter field- and pc-configurable
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Space-saving Signal Conditioners M3-UNIT Series
POTENTIOMETER TRANSMITTER
(field- and PC-configurable)
Model: M3LM
OPERATING MANUAL
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Tel: +81-6-6659-8201
Fax: +81-6-6659-8510
https://www.m-system.co.jp/
E-mail: info@m-system.co.jp
M3LM OPERATING MANUAL EM-2663-B Rev.4
1

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Summary of Contents for M-system M3LM

  • Page 1 Space-saving Signal Conditioners M3-UNIT Series POTENTIOMETER TRANSMITTER (field- and PC-configurable) Model: M3LM OPERATING MANUAL 5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN Tel: +81-6-6659-8201 Fax: +81-6-6659-8510 https://www.m-system.co.jp/ E-mail: info@m-system.co.jp M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 2: Table Of Contents

    3.3 CONFORMITY WITH EU DIRECTIVES ................7 3.4 ENVIRONMENT ........................7 3.5 WIRING ..........................8 3.6 HANDLING CAUTIONS ......................8 4. FEATURES AND PREPARATION PROCEDURE OF M3LM ....9 4.1 FEATURES OF M3LM ......................9 4.2 PREPARATION PROCEDURE .....................9 5. COMPONENT IDENTIFICATION ............10 5.1 FRONT AND SIDE VIEWS ....................10 5.1.1 STATUS INDICATOR LED ..................
  • Page 3 12.1.3 OUTPUT SPECIFICATIONS .................35 12.1.4 INSTALLATION ......................36 12.1.5 PERFORMANCE ....................36 12.1.6 STANDARDS & APPROVALS ................36 12.1.7 CALCULATION EXAMPLES OF OVERALL ACCURACY ........36 12.2 PC CONFIGURATOR SOFTWARE ..................37 12.3 MODEL NUMBERING ......................38 12.4 EXTERNAL DIMENSIONS ....................39 M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 4: Introduction

    1. INTRODUCTION Thank you for your choosing M-System. Read this manual carefully to ensure that you use the product correctly and safely. 1.1 PACKAGE Check contents of the package you received as outlined below. • Signal conditioner • Accessories I/O range and tag name label sheet Instruction manual M3LM OPERATING MANUAL EM-2663-B Rev.4...

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

    Do not operate buttons with a wet hand or finger. Do not throw the unit into the fire. • Doing so may result in electric shock. • Doing so may result in rupture of the electronic component. PROHIBITION WET HANDS M3LM OPERATING MANUAL EM-2663-B Rev.4...
  • Page 6 • Doing so may result in malfunction or heating. • Doing so may result in malfunction of the unit. Use a minus screwdriver and tweezers in setting the switches. • Failure to do so may result in malfunction of the unit. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 7: Points Of Caution

    For safety, installation and maintenance of this unit must be conducted by qualified personnel. If the unit is not used in a manner not specified by M-System, the protection provided by the equipment may be impaired. 3.2 CONFORMITY WITH UL This product conforms to the following general safety requirements of UL/C-UL.

  • Page 8: Wiring

    • When abnormality is found such like smokes, unusual smell and abnormal noises coming from the unit, immediately cut the power supply and stop using it. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 9: Features And Preparation Procedure Of M3Lm

    4. FEATURES AND PREPARATION PROCEDURE OF M3LM 4.1 FEATURES OF M3LM The M3LM is a field configurable signal transmitter using a potentiometer and an indicator, without a PC or a dedicated setting unit. For instance, select an input range with the DIP switches on the unit to set input. Then apply a desired minimum or maximum input from the potentiometer and press a front button to memorize the value as minimum or maximum value.

  • Page 10: Component Identification

    (9) Tag name label When a tag No. is specified, the unit(s) will be shipped with the tag name label put on the above position. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 11: Status Indicator Led

    The output is below -15% or above 115%. Check the setting and input. Burnout The potentiometer or the input wiring is disconnected. Check the potentiom- eter and wiring. DIP SW error DIP SW configuration is inappropriate. Check the SW settings. System error Indicates the CPU’s communication error. M3LM OPERATING MANUAL EM-2663-B Rev.4...
  • Page 12 Input ranging Fine zero adjustment Output ranging Fine span adjustment NOTE In the I/O ranging and fine adjustments using the PC Configurator Software (model: M3LMCFG), the LEDs are not ac- cording to the above tables. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 13: Internal View

    5.2 INTERNAL VIEW (1) SW1 (2) SW2 (3) SW3 (1) SW1 Sets output type. (2) SW2 Sets input range, output type, front control button lock and configuration mode. (2) SW2 Sets burnout. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 14: How To Open The Cover

    • Be sure to close the cover after setting. • Be careful not to get your hand or finger caught in the cover. • Do not force the cover closed. Doing so may result in damage of the electronic components. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 15: Dip Switch Configuration

    • Use a minus screwdriver with the blade edge 0.8 mm (0.03”) to set the DIP switches. • Do not touch other electronic components except for the DIP switches. • SW3-3, 3-4 are unused. Be sure to turn off unused ones. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 16: Configuration Mode

    With the model M3LM-R4/A, select the configuration mode (configuration method of I/O specifications), DIP SW configura- tion or PC configuration, as shown in the following table. With the model M3LM-R4/B, turn the SW2-8 OFF. DIP SW configuration: sets I/O specifications with the DIP switches inside the cover and the front control buttons.

  • Page 17: Front Control Button Lock

    You can lock the button operation on the front panel to prevent inadvertent operation. This function is applicable to the firmware 2.02 or higher version. Confirm the firmware version on the specification label on the side of the transmitter. LOCK SW2-1 Unlock Lock M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 18: Wiring

    Ground the input shield to the most stable earth to prevent noise troubles. • Do not connect anything to unused terminals. • M-System offers a series of lightning surge protectors for protection against induced lightning surges. Please con- tact M-System to choose appropriate models.
  • Page 19 • Installation Push the terminal block until it clicks into place. NOTE Match the terminal numbers of the terminal blocks with those indicated on the trans- mitter body in installing the blocks (figure on the right). M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 20: Terminal Assignment

    Insert a wire into the dead end of a terminal block and fix it with a minus screwdriver with the blade edge 0.6 mm (0.02”) and the blade width 3.5 mm (0.14”) (torque: 0.5 – 0.6 N∙m). 8.3 TERMINAL ASSIGNMENT Power Output signal Input signal M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 21: Terminal Connections

    Connect a potentiometer. Potentiometer input Potentiometer Max. Min. Ground (resistance 100 ohms or less) 8.4.2 WIRING OUTPUT Voltage or current output is provided depending on the output setting. Output Output Ground (resistance 100 ohms or less) M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 22: Wiring Power

    Connect power according to the power input code. The power specifications are shown in the following table. CODE RATING ALLOWABLE RANGE & POWER CONSUMPTION 10 to 32 V DC 9 to 36 V DC, approx. 3 W DC power DC power Confirm the polarity. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 23: Installation

    DIN Rail 35mm wide Spring Loaded DIN Rail Adaptor ■ REMOVAL Push down the DIN rail adaptor utilizing a minus screwdriver and pull. DIN Rail 35mm wide Spring Loaded DIN Rail Adaptor M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 24: Calibration

    10. CALIBRATION ‘Calibration’ means I/O ranging or output fine adjustments using the front control buttons. M-System’s ‘One-Step-Cal’ cali- bration technique realizes automatic I/O ranging and adjustment. This chapter describes flow and operation procedure of the calibration. You can also carry out the calibration using the PC Configurator Software (model: M3LMCFG). For detailed information, refer to the M3LMCFG users manual.

  • Page 25: Input & Output Ranging

    ■ PREPARATION Mount the DIP-SW-configured M3LM on to a DIN rail. Connect the M3LM to a potentiometer and a multimeter and to a power source according to the terminal connections. ■ INPUT RANGING • In the Input Ranging Mode, apply the desired minimum input level from the potentiometer and hold down DOWN button until the LD1 blinks and then turns OFF.
  • Page 26 • There is no stated order of setting 0% and 100% levels or no limitations of entering values for multiple times within one step of the Ranging Mode. • Signal level is not stored when UP or DOWN button is released before the LD1 turns OFF. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 27: Maximum Range, Minimum Span And Default Value Of Input

    10.2.3.3 DC voltage output (wide spans) MAXIMUM RANGE MINIMUM SPAN DEFAULT VALUE -10 to +10 V DC -10 to +10 V DC NOTE The ex-factory setting is 4 – 20 mA DC unless otherwise specified. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 28: Operation Procedure Of I/O Ranging

    • Hold down UP button, and the LD1 red LED blinks in approx. 2 sec. and then turns OFF in approx. 2 sec. • The LD1 turning OFF means completion of 100% input ranging. Hold down UP button until the LD1 turns OFF. • Skip to the next procedure when 100% input ranging is not necessary. M3LM OPERATING MANUAL EM-2663-B Rev.4...
  • Page 29 • Hold down UP button, and the LD1 red LED blinks in approx. 2 sec. and then turns OFF in approx. 2 sec. • The LD1 turning OFF means completion of 100% output ranging. Hold down UP button until the LD1 turns OFF. • Skip to the next procedure when 100% output ranging is not necessary. M3LM OPERATING MANUAL EM-2663-B Rev.4...
  • Page 30 Red blinking Press once • Press MODE button once to return to the RUN mode. • The LD3 turns OFF and the LD1 green LED is ON (DIP SW configuration) or blinking (PC configuration). M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 31: Fine Adjustment Mode

    DIP switch setting (SW2-1 OFF). Note that M-System does not warrant the adjustments by the customer. Each time the adjustment is performed, signal level is overwritten and is stored even when the power is off.

  • Page 32: Operation Procedure Of Fine Adjustment

    Green blinking Press once • Press MODE button once to go on to the Fine Span Adjustment Mode. • The LD2 turns OFF and the LD3 green LED starts blinking indicating the Fine Span Adjustment Mode. M3LM OPERATING MANUAL EM-2663-B Rev.4...
  • Page 33 Green blinking Press once • Press MODE button once to return to the RUN Mode. • The LD3 turns OFF and the LD1 green LED is ON (DIP SW configuration) or blinking (PC configuration). M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 34: Checking, Maintenance

    Warm up the unit for 10 minutes or more, apply 0, 25, 50, 75 and 100% input to the unit, and make sure that the output is 0, 25, 50, 75 and 100% respectively within the prescribed accuracy. In case the output is deviated from the accuracy, perform the fine zero/span adjustment. M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 35: Appendices

    Minimum span: 1 V Conformance range: -11.5 – +11.5 V DC Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained. Load resistance: Output drive 1 mA maximum M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 36: Installation

    Input accuracy = Maximum input span (200 Ω) ÷ input span (81 Ω) × input accuracy (0.02%) = 0.05% Output accuracy = Maximum output span (20 mA) ÷ output span (16 mA) × output accuracy (0.04%) = 0.05% ➠ Overall accuracy = ±0.1% M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 37: Pc Configurator Software

    RS-232-C MCN-CON COP-US The PC Configurator Software is freely downloadable at M-System’s web site (https://www.m-system.co.jp/). Software download model No.: M3CFG ■ I/O CONFIGURATION The following table shows configurable items with the PC Configurator Software. For detailed information on the PC con- figuration, refer to the M3LMCFG users manual (EM-9197-F).

  • Page 38: Model Numbering

    Other Options Blank: None /Q: Option other than the above (specify the specification) SPECIFICATIONS OF OPTION: Q COATING (For the detail, refer to M-System’s web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating (UL not available) M3LM OPERATING MANUAL EM-2663-B Rev.4...

  • Page 39: External Dimensions

    12.4 EXTERNAL DIMENSIONS mm (inch) 10 11 12 DIN RAIL 35mm wide 18 (.71) 110.5 (4.35) [5 (.20)] • When mounting, no extra space is needed between units. M3LM OPERATING MANUAL EM-2663-B Rev.4...

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M3-unit series

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