Model MODEL: M2REB E: 0 – 16 mA DC (Input resistance 62.5 Ω) Super-mini Signal Conditioners Mini-M Series F: 0 – 10 mA DC (Input resistance 100 Ω) G: 0 – 1 mA DC (Input resistance 1000 Ω) RATIO/BIAS TRANSMITTER H: 10 – 50 mA DC (Input resistance 100 Ω) (output bias) K: 0 – 100 μA DC (Input resistance 1000 Ω) Functions & Features GW: -1 – +1 mA DC (Input resistance 1000 Ω) • Provides precise matching of DC control signals to final FW: -10 – +10 mA DC (Input resistance 100 Ω) control elements in open- or closed-loop systems Z: Specify current (See INPUT SPECIFICATIONS) • Easy ratio/bias setting with the front digital display Voltage • Ratio adjustable from 0.1 to 4.00 or from -0.1 to -4.00; 2: 0 – 100 mV DC (Input resistance 100 kΩ min.) Bias adjustable to ±100 % 3: 0 – 1 V DC (Input resistance 1 MΩ min.) • CE marking 4: 0 – 10 V DC (Input resistance 1 MΩ min.) • UL approval 5: 0 – 5 V DC (Input resistance 1 MΩ min.) 6: 1 – 5 V DC (Input resistance 1 MΩ min.) Typical Applications 4W: -10 – +10 V DC (Input resistance 1 MΩ min.) • Ratio control for air/fuel flows or for two flows 5W: -5 – +5 V DC (Input resistance 1 MΩ min.) • Gain calculation for manipulated variable from a controller 0: Specify voltage (See INPUT SPECIFICATIONS) • Large scale signal span adjustment [3] OUTPUT Current 23 (.91) A: 4 – 20 mA DC (Load resistance 750 Ω max.) B: 2 – 10 mA DC (Load resistance 1500 Ω max.) C: 1 – 5 mA DC (Load resistance 3000 Ω max.) 76 (2.99) D: 0 – 20 mA DC (Load resistance 750 Ω max.) E: 0 – 16 mA DC (Load resistance 900 Ω max.) F: 0 – 10 mA DC (Load resistance 1500 Ω max.) 124 G: 0 – 1 mA DC (Load resistance 15 kΩ max.) (4.88) Z: Specify current (See OUTPUT SPECIFICATIONS) mm (inch) Voltage 1: 0 – 10 mV DC (Load resistance 10 kΩ min.) MODEL: M2REB-[1]-[2][3]-[4][5] 2: 0 – 100 mV DC (Load resistance 100 kΩ min.) 3: 0 – 1 V DC (Load resistance 1000 Ω min.) 4: 0 – 10 V DC (Load resistance 10 kΩ min.) ORDERING INFORMATION 5: 0 – 5 V DC (Load resistance 5000 Ω min.) • Code number: M2REB-[1]-[2][3]-[4][5] 6: 1 – 5 V DC (Load resistance 5000 Ω min.) Specify a code from below for each [1] through [5]. 4W: -10 – +10 V DC (Load resistance 10 kΩ min.) (e.g. M2REB-S-6A-M2/CE/Q) 5W: -5 – +5 V DC (Load resistance 5000 Ω min.) • Special input and output ranges (For codes Z & 0) 0: Specify voltage (See OUTPUT SPECIFICATIONS) • Specify the specification for option code /Q (e.g. /C01/S01) [4] POWER INPUT AC Power [1] OUTPUT CHARACTERISTICS M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, S: Proportional; ratio 0.1 to 4.00 47 – 66 Hz) R: Inverted; ratio -0.1 to -4.00 (90 – 264 V for UL) DC Power [2] INPUT R: 24 V DC Current (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) A: 4 – 20 mA DC (Input resistance 250 Ω) R2: 11 – 27 V DC A1: 4 – 20 mA DC (Input resistance 50 Ω) (Operational voltage range 11 – 27 V, ripple 10 %p-p max.) B: 2 – 10 mA DC (Input resistance 500 Ω) (Select ‘/N’ for ‘Standards & Approvals’ code.) C: 1 – 5 mA DC (Input resistance 1000 Ω) P: 110 V DC D: 0 – 20 mA DC (Input resistance 50 Ω) http://www.m-system.co.jp/ M2REB SPECIFICATIONS ES-5097 Rev.7 Page 1/4 MODEL: M2REB (Operational voltage range 85 – 150 V, ripple 10 %p-p max.) INPUT SPECIFICATIONS (110 V ±10 % for UL) • DC Current: Shunt resistor attached to the input terminals (0.5 W) Specify input resistance value for code Z. [5] OPTIONS (multiple selections) • DC Voltage: -30 – +30 V DC STANDARDS & APPROVALS (must be specified) Minimum span: 100 mV /N: Without CE or UL Offset: Max. 1.5 times span /CE: CE marking Input resistance /UL: UL approval (CE marking) Span 0.1 – 1 V : ≥ 100 kΩ OTHER OPTIONS Span ≥ 1 V : ≥ 1 MΩ blank: none /Q: Option other than the above (specify the specification) (UL not available) OUTPUT SPECIFICATIONS • DC Current: 0 – 20 mA DC Minimum span: 1 mA SPECIFICATIONS OF OPTION: Q (multiple selections) Offset: Max. 1.5 times span COATING (For the detail, refer to M-System's web site.) Load resistance: Output drive 15 V max. /C01: Silicone coating • DC Voltage: -10 – +12 V DC /C02: Polyurethane coating Minimum span: 5 mV /C03: Rubber coating Offset: Max. 1.5 times span TERMINAL SCREW MATERIAL Load resistance: Output drive 1 mA max.; at ≥ 0.5 V /S01: Stainless steel INSTALLATION GENERAL SPECIFICATIONS Power Consumption Construction: Plug-in •AC Power input: Connection: M3 screw terminals (torque 0.8 N·m) Approx. 3 VA at 100 V Housing material: Flame-resistant resin (black) Approx. 4 VA at 200 V Isolation: Input to output to power Approx. 5 VA at 264 V Overrange output: Approx. -10 to +120 % at 1 – 5 V •DC Power input: Approx. 3 W Ratio adjustment Operating temperature: -5 to +55°C (23 to 131°F) Proportional: 0.10 to 4.00; 0.01 increments Operating humidity: 30 to 90 %RH (non-condensing) Inverted: -0.10 to -4.00; 0.01 increments Mounting: Surface or DIN rail Bias adjustment: -100 to +100 %; 1 % increments Weight: 150 g (0.33 lbs) Ratio/bias selector: Double-throw SW (front) UP/DOWN control: Double-throw, momentary SW (front) Equation: Xo = KXi + B (proportional) PERFORMANCE in percentage of span Xo = KXi + B + 100% (inverted) Accuracy: ±0.2 % where Ratio = 1, Bias = 0 % (proportional) Xo : Output (%) Ratio = -1, Bias = 0 % (inverted) K : Ratio Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Linear characteristics Response time: ≤ 0.5 sec. (0 – 90 %) 0.1 to 4.00 (proportional) Line voltage effect: ±0.1 % over voltage range -0.1 to -4.00 (inverted) Insulation resistance: ≥ 100 MΩ with 500 V DC Xi : Input (approx. -10 to +120 %) Dielectric strength: 2000 V AC @1 minute (input to output B : Bias (-100 to +100 %) to power to ground) ■ INDICATORS Ratio/bias digital display: Red LED; 6.4 mm (.25”) 7 STANDARDS & APPROVALS segment, 3 digits CE conformity: Polarity indicator: Dual color (red/green) LED; Red with a EMC Directive (2004/108/EC) positive set value; Green with a negative set value. EN 61000-6-4 (EMI) Power saving mode: Indicators turn off if the switches are EN 61000-6-2 (EMS) untouched for 1 minute. Low Voltage Directive (2006/95/EC) http://www.m-system.co.jp/ M2REB SPECIFICATIONS ES-5097 Rev.7 Page 2/4 MODEL: M2REB EN 61010-1 Installation Category II Pollution Degree 2 Max. operating voltage 300 V Input or output to power: Reinforced insulation Input to output: Basic insulation Approval: UL/C-UL nonincendive Class I, Division 2, Groups A, B, C, and D hazardous locations (ANSI/ISA-12.12.01, CAN/CSA-C22.2 No.213) UL/C-UL general safety requirements (UL 61010B-1, CAN/CSA-C22.2 No.1010-1) FRONT VIEW (A) Polarity Indicator LED (B) Ratio/Bias Display (C) Ratio/Bias Selector Top: Ratio Bottom: Bias (D) UP/DOWN Control (E) Zero Adj. (F) Span Adj. The front cover cannot be turned open by 180 deg. when there is no extra space between units. • How to Set the Ratio Adj. (E) the output Xo to 100 %. Turn the Ratio/Bias Selector (C) to the top. 3) Apply the calculated zero point input again and check the The Ratio/Bias Display (B) shows the current ratio (0.10 – output Xo. 4.00). Press UP/DOWN Control (D) until the display shows a 4) If the output has been shifted, go through (1) through (3) desired set value. again. The Polarity Indicator LED (A) is red when the set value is in positive range, green when in negative range. The unit is factory set and calibrated to the following ratio and bias values. • How to Set the Bias Proportional characteristics: ratio (K) = 1, Bias (B) = 0% Turn the Ratio/Bias Selector (C) to the bottom. Inverted characteristics: ratio (K) = -1, Bias (B) = 0% The Ratio/Bias Display (B) shows the current bias (0 – 100%). Press UP/DOWN Control (D) until the display shows a desired set value. The Polarity Indicator LED (A) is red when the set value is in positive range, green when in negative range. • Fine Calibration Equation: Xo = KXi + B (proportional) Xo = KXi + B + 100 % (inverted) 1) Calculate the input signal Xi which results in 0 % output. Apply the calculated input and adjust with Zero Adj. (E) the output Xo to 0 %. 2) Calculate the input signal Xi which results in 100 % output. Apply the calculated input and adjust with Span http://www.m-system.co.jp/ M2REB SPECIFICATIONS ES-5097 Rev.7 Page 3/4 MODEL: M2REB 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) 7.3 (.29) 86.7 (3.41) 15 (.59) 116.7 (4.59) [4 (.16)] 23 (.91) • When mounting, no extra space is needed between units. TERMINAL ASSIGNMENTS unit: mm (inch) INPUT RESISTOR (model: REM2) 4 1 8 5 12 9 14 13 Input shunt resistor attached for current input. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM RATIO/BIAS UP/DOWN SELECTOR SW Z S Isolation Low Drift Digital Output + + 1 9 * Amplifier Computation Driver INPUT R OUTPUT – – 4 12 5 13 U(+) Ratio/Bias POWER Display 8 14 V(–) Base Socket *Input shunt resistor attached for current input. Specifications are subject to change without notice. http://www.m-system.co.jp/ M2REB SPECIFICATIONS ES-5097 Rev.7 Page 4/4 70.5 (2.78) 19 (.75) 59 (2.32) 4 (.16) 72 (2.83)