Model MODEL: M2PRU Super-mini Signal Conditioners Mini-M Series [3] OUTPUT A: Open collector (max. 100 kHz) M: 5 V pulse (max. 100 kHz) PULSE SCALER N: 12 V pulse (max. 100 kHz) (field-configurable) P: 24 V pulse (max. 100 kHz) Functions & Features R: AC/DC switch (max. 1 kHz) • Converts pulse rate into convenient engineering unit for display on a totalizing counter or meter • Excitation [4] POWER INPUT • Scaling factor adjustable of 1.0000 × 100 to 0.0001 × 10–6 AC Power • Various outputs (open collector, voltage pulse and AC/DC M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, switch) 47 – 66 Hz) • Three-way isolation (90 – 264 V for UL) • CE marking DC Power • UL approval R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) Typical Applications R2: 11 – 27 V DC • Positive displacement flowmeters and turbine flowmeters (Operational voltage range 11 – 27 V, ripple 10 %p-p max.) • Magnetic tachometers (Select ‘/N’ for ‘Standards & Approvals’ code.) P: 110 V DC 23 (.91) (Operational voltage range 85 – 150 V, ripple 10 %p-p max.) (110 V ±10 % for UL) 76 (2.99) [5] OPTIONS (multiple selections) STANDARDS & APPROVALS (must be specified) /N: Without CE or UL /CE: CE marking 124 (4.88) /UL: UL approval (CE marking) mm (inch) OTHER OPTIONS blank: none /Q: Option other than the above (specify the specification) MODEL: M2PRU–[1][2][3]–[4][5] (UL not available) ORDERING INFORMATION SPECIFICATIONS OF OPTION: Q (multiple selections) • Code number: M2PRU-[1][2][3]-[4][5] COATING (For the detail, refer to M-System's web site.) Specify a code from below for each [1] through [5]. /C01: Silicone coating (e.g. M2PRU-A24A-M2/CE/Q) /C02: Polyurethane coating • Scaling factor (e.g. 0.7000 × 10–2) /C03: Rubber coating • Specify the specification for option code /Q TERMINAL SCREW MATERIAL (e.g. /C01/S01) /S01: Stainless steel [1] INPUT CAUTION A1: Open collector 1) The M2PRU’s output waveform is not uniform due to its A2: Mechanical contact scaling method. The user must be aware that it may be C: Voltage pulse (sensitivity 2 V) inconvenient for certain types of application. H: Two-wire current pulse 2) The M2PRU is designed to accept at the maximum of 100 kHz, which may cause errors due to chattering in the input [2] EXCITATION pulses. 4: 12 V DC / 30 mA A filter circuitry (time constant: approx. 1 msec.) is 7: 24 V DC / 30 mA incorporated to eliminate unwanted chattering when the mechanical contact input is specified. It is effective for http://www.m-system.co.jp/ M2PRU SPECIFICATIONS ES-5076 Rev.11 Page 1/4 MODEL: M2PRU most relay types, however, an external CR filter as indicated ≥ 1200 Ω / 2.4 V for OFF below, could be added if the user need improvement. Limit • Voltage Pulse the input frequency to 10 Hz at maximum. Waveform: Square or sine Frequency range: 0 – 100 kHz R (min. 10 Hz for sine waves) C = 100 μF PULSE Relay C R = 100Ω SCALER Pulse width time requirement: ≥ 5 μsec. for high and low levels Input impedance: ≥ 10 kΩ Max. input voltage across the terminals: ±50 V GENERAL SPECIFICATIONS Detecting levels Construction: Plug-in DC coupled: ≥ 2 V DC for high level; ≤ 1 V DC for low level Connection: M3 screw terminals (torque 0.8 N·m) Capacitor coupled: ≥ 2 Vp-p Housing material: Flame-resistant resin (black) • Two-wire Current Pulse Isolation: Input to output to power Frequency range: 0 – 100 kHz Chattering protection: Filter provided for mechanical Pulse width time requirement: Min. 5 μsec. for high and low contact input (time constant: approx. 1 msec.) levels Input pulse sensing: DC coupled; capacitor coupling Detecting levels: (automatic trigger*) is field selectable with the side DIP ≥ 10 mA for high level switch for the voltage pulse input. ≤ 5 mA for low level *Capacitor coupling, with which the detecting levels are Maximum current: ±30 mA automatically set within two peaks of the waveforms, is Input resistance: Receiving resistor 200 Ω effective way to detect those with DC offset. However, it may be ineffective if the duty ratio is extremely high or low. OUTPUT SPECIFICATIONS The automatic trigger method can compensate such • Open Collector: 50 V DC @200 mA (resistive load) irregular pulses. Maximum frequency: 100 kHz Scaling factor adjustment: 10-position rotary switch (front); Saturation voltage: 0.6 V DC 1.0000 × 100 – 0.0001 × 10–6; factory set to 1.0000 × 100 if • Voltage Pulse not specified when ordering Maximum frequency: 100 kHz Output pulse width adjustment: Single-turn screwdriver High level: Rating (5, 12 or 24 V) ±10 % adjustment (front); 5 μsec. – 400 msec. (one-shot type); Low level: ≤ 0.5 V Factory set to 5 μsec. except for the mechanical contact Load resistance: input set to 15 msec. or AC/DC switch output set to 500 ≥ 500 Ω for 5 V μsec. ≥ 1200 Ω for 12 V (Min. 400 μsec. recommended for AC/DC switch output of ≥ 4800 Ω for 24 V which the internal voltage drop value may increase with a • AC/DC Switch: shorter pulse width.) 132 V AC @200 mA (cos ø = 1) Output pulse width range selector: Double-throw SW (front) 30 V DC @200 mA (resistive load) Maximum frequency: 1 kHz INPUT SPECIFICATIONS Internal voltage drop: ≤ 3 V Excitation: Shortcircuit protection; limited to approx. 40 mA at shortcircuit INSTALLATION • Open Collector Power Consumption Frequency range: 0 – 100 kHz •AC Power input: Pulse width time requirement: Min. 5 μsec. for ON and OFF Approx. 4 VA at 100 V Sensing: Approx. 24 V DC @2 mA Approx. 5 VA at 200 V Detecting levels: ≤ 400 Ω / 0.8 V for ON, Approx. 6 VA at 264 V ≥ 1200 Ω / 2.4 V for OFF •DC Power input: Approx. 3 W • Mechanical Contact Operating temperature: -5 to +55°C (23 to 131°F) Frequency range: 0 – 30 Hz Operating humidity: 30 to 90 %RH (non-condensing) Pulse width time requirement: Min. 10 msec. for ON and OFF Mounting: Surface or DIN rail Sensing: Approx. 24 V DC @2 mA Weight: 150 g (0.33 lbs) Detecting levels: ≤ 400 Ω / 0.8 V for ON, http://www.m-system.co.jp/ M2PRU SPECIFICATIONS ES-5076 Rev.11 Page 2/4 MODEL: M2PRU PERFORMANCE Response time: 25 μsec. + input cycle + output cycle (time required for the first pulse to be output from a train of pulse input) Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute (input to output to power to ground) STANDARDS & APPROVALS CE conformity: EMC Directive (2004/108/EC) EN 61000-6-4 (EMI) EN 61000-6-2 (EMS) Low Voltage Directive (2006/95/EC) EN 61010-1 Installation Category II Pollution Degree 2 Max. operating voltage 300V Input or output to power: Reinforced insulation Input to output Open collector/voltage pulse output: Basic insulation AC/DC switch output: Reinforced 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) EXTERNAL VIEW � FRONT VIEW (with cover open) � RIGHT SIDE VIEW DC Scaling Factor AC Pulse Sensing Type Selector –1 (A) 10 DC : DC coupling –2 AC : Capacitor coupling (B) 10 –3 (C) 10 Pulse Width Adj. –4 (D) 10 Pulse Width Range Selector –n * (E) 10 *Settings 7 through 9 are invalid. No pulse output with these settings. The front cover cannot be opened to 180 deg. when flush with neighboring units. Refer to the instruction manual for detailed procedures. http://www.m-system.co.jp/ M2PRU SPECIFICATIONS ES-5076 Rev.11 Page 3/4 MODEL: M2PRU 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. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM SCALING PULSE * FACTOR ADJ. WIDTH ADJ. PULSE SENSING PULSE WIDTH TYPE SELECTOR RANGE SELECTOR Isolation Waveform Output + 1 Scaler One-shot 9 + Shaper Driver INPUT OUTPUT – 4 12 – SENSOR EXCITATION Voltage + 5 13 U(+) Supply POWER 8 14 V(–) Base Socket *Provided only for voltage pulse input. Input Connection Examples Output Connection Examples � Mechanical Contact 24V � 2-Wire Current Pulse � Open Collector � Voltage Pulse Open Collector • Built-in Excitation 12kΩ 200Ω + + 1 – + + + + 1 9 9 – 2-WIRE – 4 – – – – 4 12 12 PICK-UP – Vsns PWR + + + 5 5 � Voltage Pulse • External DC Supply � AC/DC SWITCH • DC Coupled 200Ω + + – (+) 1 2-WIRE 1 9 PICK-UP + – – (–) 4 4 12 DC SUPPLY – Vsns PWR + + + 5 5 – • Capacitor Coupled + + 1 – – 4 – PWR + + 5 Specifications are subject to change without notice. http://www.m-system.co.jp/ M2PRU SPECIFICATIONS ES-5076 Rev.11 Page 4/4 70.5 (2.78) 59 (2.32) 4 (.16) 72 (2.83)