MODEL: M3LM Space-saving Signal Conditioners M3-UNIT Series [1] CONFIGURATION OPTIONS A: PC and field configurable B: Field configurable POTENTIOMETER TRANSMITTER (field- and PC-configurable) Functions & Features [2] OPTIONS • Provides a DC output proportional to a potentiometer or STANDARDS & APPROVALS slidewire position input blank: CE marking • Easy ‘One-Step Cal’ calibration using the front three /UL: UL approval, CE marking control buttons without needing a PC; PC software is also usable RELATED PRODUCTS • Both input and output type and range are configurable • PC configurator software (model: M3CON) • Front control button function can be locked Downloadable at M-System’s web site. • CE marking A dedicated cable is required to connect the module to the • UL approval PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable 18 (.71) cable types. GENERAL SPECIFICATIONS 106 Construction: Small-sized front terminal structure (4.17) Connection: Euro type connector terminal Housing material: Flame-resistant resin (gray) Isolation: Input to output to power 110.5 (4.35) Overrange output: -15 to +115 % mm (inch) Zero adjustment: -15 to +15 % (front) Span adjustment: 85 to 115 % (front) Burnout: Upscale (default), downscale or no burnout MODEL: M3LM–R4/[1][2] selectable Status indicator LED: Tri-color (green/amber/red) LED; ORDERING INFORMATION Flashing patterns indicate operation status of the • Code number: M3LM-R4/[1][2] transmitter. Specify a code from below for [1] and [2]. Configuration: PC configurator (e.g. M3LM-R4/A) Programmable features include: • Orders will be shipped with default factory settings (0 – 1 • I/O type and range kΩ input / 4 – 20 mA output). • Zero and span adjustments • Burnout action • User’s linearization table setting (max. 125 points, INPUT specified within -15 to +115 % for both input and output) Total resistance 90 Ω – 20 kΩ (Refer to the instruction manual) ‘One-Step Cal’ calibration: With I/O type and the full-scale OUTPUT – Field-selectable range configured via the internal DIP switches, precise 0 % Current and 100 % ranges are calibrated via the front control 0 – 20 mA DC buttons with a help of LED. Voltage -2.5 – +2.5 V DC INPUT SPECIFICATIONS -10 – +10 V DC ■ POTENTIOMETER: Total resistance 90 Ω – 20 kΩ Minimum span of each range POWER INPUT 0 - 90 Ω : 2.5 Ω DC Power 0 - 200 Ω : 3 Ω R4: 10 – 32 V DC 0 - 400 Ω : 3 Ω (Operational voltage range 9 - 36 V, ripple 10 %p-p max.) 0 - 1000 Ω : 10 Ω http://www.m-system.co.jp/ M3LM SPECIFICATIONS ES-2663 Rev.5 Page 1/4 MODEL: M3LM 0 - 20 kΩ : 10 Ω Line voltage effect: ±0.1 % over voltage range Excitation: ≤ 0.65 V DC (at 1 kΩ) Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @ 1 minute (input to output or power to ground) OUTPUT SPECIFICATIONS 500 V AC @ 1 minute (output to power) ■ DC CURRENT Maximum range: 0 – 20 mA DC Minimum span: 1 mA CALCULATION EXAMPLES OF OVERALL ACCURACY Conformance range: 0 – 24 mA DC (Negative overrange [Example] Input Range 250 – 750 Ω, Output Range 1 – 5 V current below 0 mA is not available.) Max. Input Range (1000 Ω) ÷ Span (500 Ω) × 0.01 % + Max. Offset: Lower range can be any specific value within the Output Range (20 V) ÷ Span (4 V) × 0.04 % = 0.22 % output range provided that the minimum span is maintained. STANDARDS & APPROVALS Load resistance: Output drive 12 V maximum CE conformity: ■ DC VOLTAGE EMC Directive (2004/108/EC) Narrow Spans (mV) EMI EN 61000-6-4: 2007 Maximum range: -2.5 – +2.5 V DC EMS EN 61000-6-2: 2005 Minimum span: 250 mV Approval: Conformance range: -3 – +3 V DC UL/C-UL general safety requirements Wide Spans (V) (UL 61010-1, CAN/CSA-C22.2 No.1010-1) 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) PERFORMANCE Accuracy: Input Accuracy + Output Accuracy Input accuracy: (% of input range) inversely proportional to the span 0 – 90 Ω : ±0.02 (%) 0 – 200 Ω : ±0.02 0 – 400 Ω : ±0.01 0 – 1000 Ω : ±0.01 0 – 20 kΩ : ±0.02 Output accuracy: ±0.04 % of output range; inversely proportional to the span. Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. range at -5 to +55°C (23 to 131°F) Response time: ≤ 0.9 sec. (0 – 90 %) Burnout response: ≤ 10 sec. http://www.m-system.co.jp/ M3LM SPECIFICATIONS ES-2663 Rev.5 Page 2/4 MODEL: M3LM 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 SW3 OFF 1 2 3 ON 4 5 6 4 3 2 1 OFF ON 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 3 9 STATUS CONTROL BUTTONS DIP SW 6 10 Isolation POTENTIOMETER max. Output Output 3 + + 1 7 Computation Driver Low Drift OUTPUT 2 Amplifier – 4 8 & Burnout 1 – + 5 11 min. POWER – 2 12 CONFIGURATOR JACK Terminal Block http://www.m-system.co.jp/ M3LM SPECIFICATIONS ES-2663 Rev.5 Page 3/4 106 (4.17) 62 (2.44) MODEL: M3LM Specifications are subject to change without notice. http://www.m-system.co.jp/ M3LM SPECIFICATIONS ES-2663 Rev.5 Page 4/4