MODEL: M3LU Cu 10 @25°C, Pt 50Ω, JPt 100 Space-saving Signal Conditioners M3-UNIT Series Potentiometer Total resistance 80 – 4000 Ω UNIVERSAL TRANSMITTER Resistance (field- and PC-configurable) Total resistance 10 – 4000 Ω Functions & Features • Universal input: mV, V, mA, T/C, RTD, resistance and OUTPUT – Field-selectable potentiometer Current • Easy ‘One-Step Cal’ calibration using the front three 0 – 20 mA DC control buttons without needing a PC; PC software is also Voltage usable. -2.5 – +2.5 V DC • I/O type and ranges are configurable -10 – +10 V DC • Front control button function can be locked • CE marking • UL approval [1] POWER INPUT AC Power Typical Applications M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, • Signal conversion between control room and field 47 – 66 Hz) instrumentation with isolation (‘/UL’ is not selectable for ‘Standards & Approvals’ code.) • Ideal for use as a fast solution, multifunctional spare part DC Power 18 (.71) R4: 10 – 32 V DC (Operational voltage range 9 - 36 V, ripple 10 %p-p max.) 106 [2] CONFIGURATION OPTIONS (4.17) A: PC and field configurable B: Field configurable 110.5 (4.35) [3] OPTIONS mm (inch) STANDARDS & APPROVALS blank: CE marking /UL: UL approval, CE marking MODEL: M3LU–[1]/[2][3] RELATED PRODUCTS ORDERING INFORMATION • PC configurator software (model: M3CFG) • Code number: M3LU-[1]/[2][3] Downloadable at M-System’s web site. Specify a code from below for each [1] through [3]. A dedicated cable is required to connect the module to the (e.g. M3LU-R4/A) PC. Please refer to the internet software download site or • Orders will be shipped with default factory settings (4 – 20 the users manual for the PC configurator for applicable mA input/4 – 20 mA output). cable types. INPUT – Field-selectable GENERAL SPECIFICATIONS DC Current & Voltage Construction: Small-sized front terminal structure Current: 0 – 20 mA DC Connection: Euro type connector terminal Millivolt: -1 – +1 V DC Housing material: Flame-resistant resin (gray) Voltage: -10 – +10 V DC Isolation: Input to output to power Thermocouple Overrange output: -15 to +115 % (PR), K, E, J, T, B, R, S, C (WRe 5-26), Zero adjustment: -15 to +15 % (front) N, U, L, P (Platinel II) Span adjustment: 85 to 115 % (front) RTD Burnout (T/C & RTD): Upscale, downscale or no burnout Pt 100, Pt 200, Pt 300, Pt 400, Pt 500, Pt 1000, selectable; Also detects wire breakdown and overrange Ni 100, Ni 120, Ni 508.4, Ni-Fe 604, input exceeding the electrical design limit for DC input. http://www.m-system.co.jp/ M3LU SPECIFICATIONS ES-2652 Rev.14 Page 1/6 MODEL: M3LU Cold junction compensation (T/C): CJC sensor (included) to output range provided that the minimum span is be attached to the input terminals maintained. Status indicator LED: Tri-color (green/amber/red) LED; Load resistance: Output drive 15 V maximum at 22 mA Flashing patterns indicate operation status of the ■ DC VOLTAGE transmitter. Narrow Spans (mV) Configuration: PC configurator Maximum range: -2.5 – +2.5 V DC Programmable features include: Minimum span: 250 mV • I/O type and range Conformance range: -3 – +3 V DC • Zero and span adjustments Wide Spans (V) • Burnout action Maximum range: -10 – +10 V DC • User’s linearization table setting Minimum span: 1 V • User’s TC/RTD table setting Conformance range: -11.5 – +11.5 V DC (Refer to the instruction manual) Offset: Lower range can be any specific value within the ‘One-Step Cal’ calibration: With I/O type and the full-scale output range provided that the minimum span is range configured via the internal DIP switches, precise 0 % maintained. and 100 % ranges are calibrated via the front control Load resistance: Output drive 10 mA maximum; 5 mA for buttons with a help of LED. negative output INPUT SPECIFICATIONS INSTALLATION Input type and range are configurable. See Table 1 for the Power Consumption available input type, the minimum span, the maximum •AC Power input: range, the conformance range and the input conversion Approx. 4 VA at 100 V accuracy. Approx. 5 VA at 200 V For type and range configuration, refer to the instruction Approx. 6 VA at 264 V manual. •DC power input: Approx. 2 W • DC current: 50 Ω resistor incorporated Operating temperature: -25 to +65°C (-13 to +149°F) • DC mV & voltage Max. 55°C (131°F) for UL approval Input resistance: ≥ 1 MΩ Operating humidity: 0 to 95 %RH (non-condensing) • Thermocouple Mounting: DIN rail Input resistance: ≥ 1 MΩ Weight: 100 g (3.53 oz) Burnout sensing: 130 nA ± 10 % • RTD (2-wire, 3-wire or 4-wire) PERFORMANCE Excitation: 0.2 mA ± 10 % Accuracy: See Table 1. Allowable leadwire resistance: Max. 20 Ω per wire Cold junction compensation error: • Resistance (2-wire, 3-wire or 4-wire) ±0.5°C maximum at 10 – 40°C Excitation: 0.2 mA ±10 % ±1.0°C maximum at 0 – 50°C Allowable leadwire resistance: Max. 20 Ω per wire ±0.9°F maximum at 50 – 104°F • Potentiometer ±1.8°F maximum at 32 – 122°F Excitation: 0.2 mA ±10 % Temp. coefficient: Allowable leadwire resistance: Max. 20 Ω per wire ±0.015 %/°C [±0.008 %/°F] at -5 to +55°C [23 to 131°F] of max. range OUTPUT SPECIFICATIONS ±0.03 %/°C [±0.016 %/°F] for the following conditions: Output type and range are as follows. • DC/TC input spans ≤ 10 mV For type and range configuration, refer to the instruction • RTD/POT, resistance spans ≤ 80 Ω manual. • in an ambient exceeding 55°C [131°F] or below -5°C ■ DC CURRENT [23°F] Maximum range: 0 – 20 mA DC Response time: ≤ 0.2 sec. (0 – 90 %, DC input) Minimum span: 1 mA With the Option A, the Sync Filter set to the fastest Conformance range: 0 – 24 mA DC frequency on the PC Configurator Software. Default is set to (Negative overrange current below 0 mA is not available.) have 0.5 sec. response. Offset: Lower range can be any specific value within the Burnout response: ≤ 10 sec. http://www.m-system.co.jp/ M3LU SPECIFICATIONS ES-2652 Rev.14 Page 2/6 MODEL: M3LU Line voltage effect: ±0.1 % over voltage range Low Voltage Directive (2006/95/EC) Insulation resistance: ≥ 100 MΩ with 500 V DC EN 61010-1: 2001 Dielectric strength Installation Category II AC powered: 2000 V AC @ 1 minute Pollution Degree 2 (input to output to power to ground) Input or output to power: Reinforced insulation (300 V) DC powered: 1500 V AC @ 1 minute Input to output: Basic insulation (300 V) (input to output or power to ground) Approval: 500 V AC @ 1 minute (output to power) UL/C-UL general safety requirements (UL 61010-1, CAN/CSA-C22.2 No.1010-1) CALCULATION EXAMPLES OF OVERALL ACCURACY ■ CALCULATION EXAMPLES OF OVERALL ACCURACY IN % • DC Voltage 1) 0 – 200 mV Absolute value accuracy (Table 1): 40μV 40μV / 200000μV × 100 = 0.02 % < 0.1 % ➠ Overall accuracy = ±0.1 % of span 2) 0 – 4 mV Absolute value accuracy (Table 1): 10μV 10μV / 4000μV × 100 = 0.25 % > 0.1 % ➠ Overall accuracy = ±0.25 % of span • Thermocouple 1) K thermocouple, 0 – 1000°C Absolute value accuracy (Table 1): 0.25°C CJC error (0.5°C) added: 0.75°C 0.75°C / 1000°C × 100 = 0.075 % < 0.1 % ➠ Overall accuracy including CJC error = ±0.1 % of span 2) K thermocouple, 50 – 150°C Absolute value accuracy (Table 1): 0.25°C CJC error (0.5°C) added: 0.75°C 0.75°C / (150 – 50)°C × 100 = 0.75 % > 0.1 % ➠ Overall accuracy including CJC error = ±0.75 % of span • RTD 1) Pt 100, -200 – 800°C Absolute value accuracy (Table 1): 0.15°C 0.15°C / (800 – -200)°C × 100 = 0.015 % < 0.1 % ➠ Overall accuracy = ±0.1 % of span 2) Pt 100, 0 – 100°C Absolute value accuracy (Table 1): 0.15°C 0.15°C / 100°C × 100 = 0.15 % > 0.1 % ➠ Overall accuracy = ±0.15 % of span STANDARDS & APPROVALS CE conformity: EMC Directive (2004/108/EC) EMI EN 61000-6-4: 2007 EMS EN 61000-6-2: 2005 http://www.m-system.co.jp/ M3LU SPECIFICATIONS ES-2652 Rev.14 Page 3/6 MODEL: M3LU 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 SW3 8 7 6 5 4 3 2 1 1 JP2 OFF 2 3 * 1 2 3 ON 4 5 6 *For Voltage Input (V) range, switch the JP2 jumper to the 2 – 3 position. Normal Position DC Voltage [V] Range Position (other than DC Voltage [V] range) JP2 JP2 1 2 3 1 2 3 http://www.m-system.co.jp/ M3LU SPECIFICATIONS ES-2652 Rev.14 Page 4/6 MODEL: M3LU INPUT TYPE, RANGE & ACCURACY Table 1. MIN. MAXIMUM 1 INPUT TYPE ACCURACY * SPAN RANGE DC Current 1mA 0 to 20mA ±0.1% DC Millivolt 4mV -1 to +1V ±10μV at F.S. input ≤50mV ±40μV at F.S. input ≤200mV ±60μV at F.S. input ≤500mV ±80μV at F.S. input >500mV DC Voltage 1V -10 to +10V ±0.1% Potentiometer 80Ω 0 to 4000Ω ±0.1% Resistance 10Ω 0 to 4000Ω ±0.1Ω °C °F Thermocouple MIN. MAXIMUM CONFORMANCE ACCURACY MIN. MAXIMUM CONFORMANCE ACCURACY SPAN RANGE RANGE *1 SPAN RANGE RANGE *1 (PR) 20 0 to 1760 0 to 1760 ±1.00 36 32 to 3200 32 to 3200 ±1.80 K (CA) 20 -270 to +1370 -150 to +1370 ±0.25 36 -454 to +2498 -238 to +2498 ±0.45 E (CRC) 20 -270 to +1000 -170 to +1000 ±0.20 36 -454 to +1832 -274 to +1832 ±0.36 J (IC) 20 -210 to +1200 -180 to +1200 ±0.25 36 -346 to +2192 -292 to +2192 ±0.45 T (CC) 20 -270 to +400 -170 to +400 ±0.25 36 -454 to +752 -274 to +752 ±0.45 B (RH) 20 100 to 1820 400 to 1760 ±0.75 36 212 to 3308 752 to 3200 ±1.35 R 20 -50 to +1760 200 to 1760 ±0.50 36 -58 to +3200 392 to 3200 ±0.90 S 20 -50 to +1760 0 to 1760 ±0.50 36 -58 to +3200 32 to 3200 ±0.90 C (WRe 5-26) 20 0 to 2315 0 to 2315 ±0.25 36 32 to 4199 32 to 4199 ±0.45 N 20 -270 to +1300 -130 to +1300 ±0.30 36 -454 to +2372 -202 to +2372 ±0.54 U 20 -200 to +600 -200 to +600 ±0.20 36 -328 to +1112 -328 to +1112 ±0.36 L 20 -200 to +900 -200 to +900 ±0.25 36 -328 to +1652 -328 to +1652 ±0.45 P (Platinel II) 20 0 to 1395 0 to 1395 ±0.25 36 32 to 2543 32 to 2543 ±0.45 °C °F RTD MIN. ACCURACY MIN. ACCURACY MAXIMUM RANGE MAXIMUM RANGE SPAN *1 SPAN *1 Pt 100 (JIS ’97, IEC) 20 -200 to +850 ±0.15 36 -328 to +1562 ±0.27 Pt 200 20 -200 to +850 ±0.15 36 -328 to +1562 ±0.27 Pt 300 20 -200 to +850 ±0.15 36 -328 to +1562 ±0.27 Pt 400 20 -200 to +850 ±0.15 36 -328 to +1562 ±0.27 Pt 500 20 -200 to +850 ±0.15 36 -328 to +1562 ±0.27 Pt 1000 20 -200 to +850 ±0.15 36 -328 to +1562 ±0.27 Pt 50 (JIS ’81) 20 -200 to +649 ±0.15 36 -328 to +1200 ±0.27 JPt 100 (JIS ’89) 20 -200 to +510 ±0.15 36 -328 to +950 ±0.27 Ni 100 20 -80 to +260 ±0.15 36 -112 to +500 ±0.27 Ni 120 20 -80 to +260 ±0.15 36 -112 to +500 ±0.27 Ni 508.4 20 -50 to +200 ±0.15 36 -58 to +392 ±0.27 Ni-Fe 604 20 -200 to +200 ±0.15 36 -328 to +392 ±0.27 Cu 10 @25°C 20 -50 to +250 ±0.50 36 -58 to +482 ±0.90 *1. DC input: Or ±0.1% of span, whichever is greater. Thermocouple input: [Accuracy + Cold Junction Compensation Error 0.5°C (0.9°F)] or ±0.1% of span, whichever is greater. RTD, Resistance input: Or ±0.1% of span, whichever is greater. For current output, overall accuracy degrades another 0.1% with spans ≤2mA. http://www.m-system.co.jp/ M3LU SPECIFICATIONS ES-2652 Rev.14 Page 5/6 MODEL: M3LU EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 10 11 12 7 8 9 DIN RAIL 35mm wide 1 2 3 4 5 6 110.5 (4.35) [5 (.20)] CJC SENSOR* 18 (.71) (model: CJM) *Used only with a thermocouple input • When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM ■ DC POWERED TYPE STATUS CONTROL BUTTONS 2-wire 3-wire 4-wire POT. DIP SW Isolation RTD RTD RTD max. + Low Drift Input Input Output Output A A A 3 + 1 7 Amplifier Circuit Computation Computation Driver OUTPUT DC T/C – B B 2 8 ext. wire + 3 10 + VOLT + + mA + A 2 4 11 ** – mV – DC POWER * B B B 1 5 12 – – – – CJC min. SENSOR 6 9 CONFIGURATOR JACK Terminal Block ■ AC POWERED TYPE STATUS CONTROL BUTTONS 2-wire 3-wire 4-wire POT. DIP SW Isolation RTD RTD RTD max. + Low Drift Input Input Output Output A A A 3 1 7 + Amplifier Circuit Computation Computation Driver OUTPUT DC T/C – B B 2 8 ext. wire + 3 10 U VOLT + ** + + mA A 2 AC POWER 4 11 – mV – * B B B 1 5 12 V – – CJC – min. SENSOR 6 9 CONFIGURATOR JACK *Replace the Terminal Block (4 – 5 – 6) with the one connected with the CJC Sensor, included in the package. Terminal Block The CJC Sensor is secured to the terminal 6. ** Be aware that the AC power and DC power connect to different terminals . Loosen only the terminal 4 – 5 and connect the T/C extension wires. Specifications are subject to change without notice. http://www.m-system.co.jp/ M3LU SPECIFICATIONS ES-2652 Rev.14 Page 6/6 106 (4.17) 7 (.28) 62 (2.44)