MODEL: M3LV -2.5 – +2.5 V DC Space-saving Signal Conditioners M3-UNIT Series -10 – +10 V DC SIGNAL TRANSMITTER POWER INPUT (field- and PC-configurable) DC Power Functions & Features R4: 10 – 32 V DC • Accepts a DC mV, V or mA input and provides (Operational voltage range 9 - 36 V, ripple 10 %p-p max.) an isolated DC signal • Easy ‘One-Step Cal’ calibration using the front three control buttons without needing a PC; PC software is also [1] CONFIGURATION OPTIONS usable. A: PC and field configurable • Both input and output type and range are configurable B: Field configurable • Front control button function can be locked • CE marking [2] OPTIONS • UL approval STANDARDS & APPROVALS blank: CE marking Typical Applications /UL: UL approval, CE marking • Signal conversion between control room and field instrumentation with isolation • Ideal for use as a fast solution, multifunctional spare part RELATED PRODUCTS • PC configurator software (model: M3CON) 18 (.71) 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 106 (4.17) cable types. GENERAL SPECIFICATIONS 110.5 (4.35) Construction: Small-sized front terminal structure Connection: Euro type connector terminal mm (inch) Housing material: Flame-resistant resin (gray) Isolation: Input to output to power MODEL: M3LV–R4/[1][2] Overrange output: -15 to +115 % Zero adjustment: -15 to +15 % (front) Span adjustment: 85 to 115 % (front) ORDERING INFORMATION Status indicator LED: Tri-color (green/amber/red) LED; • Code number: M3LV-R4/[1][2] Flashing patterns indicate operation status of the Specify a code from below for [1] and [2]. transmitter. (e.g. M3LV-R4/A) Configuration Orders will be shipped with default factory settings (4 – 20 Programmable features include: mA input / 4 – 20 mA output). • I/O type and range • Zero and span adjustments INPUT – Field-selectable • User’s linearization table setting DC Current & Voltage (max. 101 points, specified within -15 to +115 % for both Current: 0 – 20 mA DC input and output) Millivolt: -1000 – +1000 mV DC (Refer to the instruction manual) Voltage: -10 – +10 V DC ‘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 OUTPUT – Field-selectable buttons with a help of LED. Current 0 – 20 mA DC Voltage http://www.m-system.co.jp/ M3LV SPECIFICATIONS ES-2660 Rev.9 Page 1/3 MODEL: M3LV INPUT SPECIFICATIONS PERFORMANCE ■ DC CURRENT: 49.9 Ω resistor incorporated Accuracy: Input Accuracy + Output Accuracy Maximum range: 0 – 20 mA DC Input accuracy: (% of input range) Minimum span: 2 mA (Inversely proportional to the span.) Offset: Lower range can be any specific value within the -1000 – +1000 mV : ±0.01 (%) input range provided that the minimum span is maintained. -10 – +10 V : ±0.01 ■ DC mV & VOLTAGE 0 – 20 mA : ±0.02 (Except the accuracy of input resistor.) Narrow Spans (mV) Output accuracy: ±0.04 % of output range Maximum range: -1000 mV – +1000 mV DC (Inversely proportional to the span.) Minimum span: 100 mV Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span Wide Spans (V) Response time: ≤ 0.5 sec. (0 – 90 %) Maximum range: -10 – +10 V DC Line voltage effect: ±0.1 % over voltage range Minimum span: 1 V Insulation resistance: ≥ 100 MΩ with 500 V DC Offset: Lower range can be any specific value within the Dielectric strength: 1500 V AC @ 1 minute input range provided that the minimum span is maintained. (input to output or power to ground) Input resistance: 1 MΩ minimum 500 V AC @ 1 minute (output to power) OUTPUT SPECIFICATIONS CALCULATION EXAMPLES OF OVERALL ACCURACY ■ DC CURRENT [Example] Input Range 1 – 5 V, Output Range 1 – 5 V Maximum range: 0 – 20 mA DC Max. Input Range (20 V) ÷ Span (4 V) × 0.01 % + Minimum span: 1 mA Max. Output Range (20 V) ÷ Span (4 V) × 0.04 % = 0.25 % Conformance range: 0 – 24 mA DC (Negative overrange current below 0 mA is not available.) STANDARDS & APPROVALS Offset: Lower range can be any specific value within the CE conformity: output range provided that the minimum span is EMC Directive (2004/108/EC) maintained. EMI EN 61000-6-4: 2007 Load resistance: Output drive 12 V maximum; EMS EN 61000-6-2: 2005 ■ DC VOLTAGE Approval: Narrow Spans (mV) UL/C-UL general safety requirements Maximum range: -2.5 – +2.5 V DC (UL 61010-1, CAN/CSA-C22.2 No.1010-1) Minimum span: 250 mV Conformance range: -3 – +3 V DC Wide Spans (V) Maximum range: -10 – +10 V DC 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 INSTALLATION Power Consumption •DC power input: Approx. 3 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: 100 g (3.53 oz) http://www.m-system.co.jp/ M3LV SPECIFICATIONS ES-2660 Rev.9 Page 2/3 MODEL: M3LV EXTERNAL VIEW ■ FRONT VIEW ■ SIDE VIEW LED1 (LD1) 10 11 12 LED2 (LD2) Configuration DIP SW 7 8 9 LED3 (LD3) 4 3 2 1 MODE Button OFF UP Button ON DOWN Button SW1 Configurator Jack SW2 8 7 6 5 4 3 2 1 OFF 1 2 3 ON 4 5 6 EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 10 11 12 7 8 9 DIN RAIL 35mm wide 1 2 3 4 5 6 18 (.71) 110.5 (4.35) [5 (.20)] • When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM STATUS CONTROL BUTTONS DIP SW Isolation + Digital Output 1 7 + Computation Driver Millivolt OUTPUT (mV) + 2 8 – Low Drift VOLTAGE (V) Amplifier 3 11 + – – POWER + 4 12 – CURRENT (mA) 5 9 – 49.9Ω 6 10 CONFIGURATOR JACK Terminal Block Specifications are subject to change without notice. http://www.m-system.co.jp/ M3LV SPECIFICATIONS ES-2660 Rev.9 Page 3/3 106 (4.17) 62 (2.44)