Model ZERO SPAN MODEL: M2RR Super-mini Signal Conditioners Mini-M Series SPECIFICATIONS OF OPTION: Q (multiple selections) COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating RESISTANCE/RESISTANCE CONVERTER /C02: Polyurethane coating Functions & Features /C03: Rubber coating • Accepts a resistance input from an RTD and provides a TERMINAL SCREW MATERIAL multiplied resistance value /S01: Stainless steel • High-density mounting 23 (.91) GENERAL SPECIFICATIONS Construction: Plug-in 76 Connection: M3 screw terminals (torque 0.8 N·m) (2.99) Housing material: Flame-resistant resin (black) Isolation: Input or output to power (non-isolated between input and output) 124 Zero adjustment: ±2 % of the output resistance (measuring (4.88) mm (inch) current ≤ 2 mA DC) Span (gain) adjustment: ± 5 % of the output resistance I/O ratio: 1.20 – 100.00 MODEL: M2RR–[1]–[2][3] INPUT SPECIFICATIONS ORDERING INFORMATION Resistance: 40 Ω to 5 kΩ • Code number: M2RR-[1]-[2][3] Specify a code from below for each [1] through [3]. OUTPUT SPECIFICATIONS (e.g. M2RR-5-M/Q) Resistance: 80 Ω to 10 kΩ • Input resistance range (e.g. 100 – 150 Ω) Maximum measuring voltage: 12 V DC • Specify the specification for option code /Q Minimum measuring current: 1 mA DC (e.g. /C01/S01) Maximum measuring current: 20 mA DC Note: AC measurement is unable. [1] I/O RATIO (n = Output / Input) INSTALLATION 2 : n = 2 Power Consumption 5: n = 5 AC Power input 10: n = 10 Approx. 1.0 VA at 100 V 0: Specify ‘n’ (≥ 1.20) Approx. 2.5 VA at 200 V Approx. 3.5 VA at 264 V [2] POWER INPUT •DC Power input: Approx. 0.5 W AC Power Operating temperature: -5 to +55°C (23 to 131°F) M: 85 – 264 V AC (Operational voltage range 85 – 264 V, Operating humidity: 30 to 90 %RH (non-condensing) 47 – 66 Hz) Mounting: Surface or DIN rail DC Power Weight: 150 g (0.33 lbs) R2: 11 – 27 V DC (Operational voltage range 11 – 27 V, ripple 10 %p-p max.) PERFORMANCE based on the resistance output P: 110 V DC Accuracy: ± 0.1 % or 0.1 Ω, whichever is greater. (Operational voltage range 85 – 150 V, ripple 10 %p-p max.) Temp. coefficient: ±0.04 %/°C (±0.02 %/°F) (n = 5, Rin = 100 Ω, Is = 7 mA) [3] OPTIONS The following equation is applied for other cases: OTHER OPTIONS Temp. coefficient (%/°C) = (5 × n) / (Rin (Ω) × Is (mA)) blank: none n = I/O ratio /Q: Option other than the above (specify the specification) Rin = Input resistance Is = Measuring current http://www.m-system.co.jp/ M2RR SPECIFICATIONS ES-5016 Rev.2 Page 1/2 MODEL: M2RR Response time: ≤ 50 msec. (0 – 90 %) Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute (input or output to power to ground) DIMENSIONS unit: mm (inch) 6 (.23) DIN RAIL 4 1 35mm wide 8 5 2–4.2x5 (.17x.20) MTG HOLE 6 (.24) deep 12 9 8–M3 SCREW 14 13 21.5 (.85) 10 (.39) 84 (3.31) 15 (.59) 114 (4.49) [4 (.16)] 23 (.91) • When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Output Driver Z S Input Resistance Measuring Current Rin Is Resistance 1 9 + Computation OUTPUT 4 12 – 5 13 U(+) POWER 8 14 V(–) Base Socket Specifications are subject to change without notice. http://www.m-system.co.jp/ M2RR SPECIFICATIONS ES-5016 Rev.2 Page 2/2 70.5 (2.78) 59 (2.32) 4 (.16) 72 (2.83)