M3LLC MSYSTEM | Alldatasheet

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MODEL: M3LLC M3LLC SPECIFICATIONS ES-2654 Rev.18 Page 1/4 http://www.m-system.co.jp/ Space-saving Signal Conditioners M3-UNIT Series STRAIN GAUGE TRANSMITTER (field- and PC-configurable) Functions & Features

  • Provides a DC output signal proportional to a bridge type strain gauge utilized in load cells and pressure transducers
  • Compatibility with strain gauges of various bridge resistances and output ratings
  • Supplies required excitation voltage; 0.1 – 10.0 V adjustable
  • Response time ≤ 10 msec.
  • Front control button function can be locked Typical Applications
  • Weighing system for tanks, hoppers and silos
  • Weighing system using cranes
  • Pressure sensor utilizing strain gauges
  • Float level meter utilizing strain gauges 18 (.71) 106 (4.17) mm (inch) 110.5 (4.35) MODEL: M3LLC–[1]–R4/[2][3]

ORDERING INFORMATION

  • Code number: M3LLC–[1]–R4/[2][3] Specify a code from below for each of [1] through [3]. (e.g. M3LLC-S1-R4/A/UL/Q)
  • Specify the specification for option code /Q (e.g. /C01)
  • Factory setting: Input signal S1: 1.0 mV S2: 3.0 mV S3: 10.0 mV S4: 30.0 mV Excitation voltage: 1 V Output range: 4 – 20 mA [1] INPUT STRAIN GAUGE S1: 0.0 – 1.0 mV/V S2: 0.0 – 3.0 mV/V OUTPUT – Field-selectable Current 0 – 20 mA DC Voltage -2.5 – +2.5 V DC -10 – +10 V DC POWER INPUT DC Power R4: 10 – 32 V DC (Operational voltage range 9 - 36 V, ripple 10 %p-p max.) [2] CONFIGURATION OPTIONS A: PC and field configurable B: Field configurable [3] OPTIONS (multiple selections) Standards & Approvals blank: CE marking /UL: UL approval, CE marking 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)

RELATED PRODUCTS

  • PC configurator software (model: M3CFG) Downloadable at M-System’s web site. A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types. GENERAL SPECIFICATIONS Construction: Small-sized front terminal structure Connection: Euro type connector terminal (applicable wire size: 0.2 to 2.5 mm2, stripped length 8 mm) Housing material: Flame-resistant resin (gray)

MODEL: M3LLC M3LLC SPECIFICATIONS ES-2654 Rev.18 Page 2/4 http://www.m-system.co.jp/ Isolation: Input to output to power Overrange output: -15 to +115 % Zero adjustment: -15 to +15 % (front) Span adjustment: 85 to 115 % (front) Status indicator LED: Tri-color (green/amber/red) LED; Blinking patterns indicate operation status of the transmitter. Configuration PC configurator: Programmable features include:

  • Input range and output type and range
  • Zero and span adjustments (Refer to the instruction manual) ‘One-Step Cal’ calibration: With I/O type and the full-scale range configured via the internal DIP switches, precise 0 % and 100 % ranges are calibrated via the front control buttons with a help of LED. Also I/O calibration and fine adjustment are available with a PC. Configurator connection: 2.5 dia. miniature jack; RS-232-C level INPUT SPECIFICATIONS ■ Strain Gauge Input
  • Strain Gauge Rated output from strain gauge: Consult factory for use with a compression/tension load cells.
  • Excitation: 0.1 – 10.0 V adjustable (0.1 V increments) Maximum current: 30mA ■ Contact Input: TTL level (5V-CMOS level), open collector or dry contact (detecting voltage: approx. 5 V, saturation voltage: ≤ 1 V, sink current: 0.5 mA) OUTPUT SPECIFICATIONS ■ DC Current Maximum range: 0 – 20 mA DC Minimum span: 1 mA (Add 0.1 % to accuracy with output span 2 mA or less.) Conformance range: 0 – 20 mA DC (Negative overrange current below 0 mA is not available.) Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained. Load resistance: Output drive 12 V maximum ■ DC Voltage Narrow Spans (mV) Maximum range: -2.5 – +2.5 V DC Minimum span: 500 mV Conformance range: -3 – +3 V DC Wide Spans (V) Maximum range: -10 – +10 V DC Minimum span: 0.5 V Conformance range: -11.5 – +11.5 V DC (Overrange voltage below -11.5 V is not available.) Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained. Load resistance: Output drive 10 mA maximum; 5 mA for negative output INSTALLATION Power consumption
  • DC: Approx. 5 W Operating temperature: -25 to +65°C (-13 to +149°F) Max. 55°C (131°F) for UL approval Operating humidity: 0 to 95 %RH (non-condensing) Mounting: DIN rail Weight: 150 g (0.33 lb) PERFORMANCE in percentage of span Accuracy: Input + output Input: ±0.1 % Output: ±0.1 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. range at -5 to +55°C [23 to 131°F]; Response time: ≤10 msec. (0 – 90 %) Excitation: Set value ±250 mV Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @ 1 minute (input to output or power to ground)

500 V AC @ 1 minute (output to power)

STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 RoHS Directive EN 50581 Approval: UL/C-UL general safety requirements (UL 61010-1, CAN/CSA-C22.2 No.1010-1)

MODEL: M3LLC M3LLC SPECIFICATIONS ES-2654 Rev.18 Page 3/4 http://www.m-system.co.jp/ EXTERNAL VIEW Configuration DIP SW Excitation Adj. Rotary SW 10 11 12 7 8 9 4 5 6 1 2 3 Configurator Jack DOWN Button UP Button MODE Button LED3 (LD3) LED2 (LD2) LED1 (LD1) ■ FRONT VIEW ■ SIDE VIEW SW3 SW1 2 3 4 5 6 7 8 OFF ON OFF ON 1 2 3 4 SW2 87654321 0 FEDCBA9 The DIP switch setting is required to select output types before setting a precise output range using the PC configurator software. For detailed information on the configuration and calibration, refer to the instruction manual. EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 10 11 12 7 8 9 4 5 6 1 2 3 106 (4.17) 62 (2.44) [5 (.20)]

  • When mounting, no extra space is needed between units. DIN RAIL 35mm wide

MODEL: M3LLC M3LLC SPECIFICATIONS ES-2654 Rev.18 Page 4/4 http://www.m-system.co.jp/ SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Isolation

1 Output

DC Volt. Stabilizer Low Drift Amplifier STRAIN GAUGE + INPUT EXC. TARE COMMAND INPUT (Di) CONTROL BUTTONS Specifications are subject to change without notice.