Model ZERO SPAN MODEL: M2DYH (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) Super-mini Signal Conditioners Mini-M Series R2: 11 – 27 V DC (Operational voltage range 11 – 27 V, ripple 10 %p-p max.) CURRENT LOOP SUPPLY P: 110 V DC (applicable to HART signal) (Operational voltage range 85 – 150 V, ripple 10 %p-p max.) Functions & Features • Powers a 4 – 20 mA DC current loop [2] OPTIONS • Isolates and relays HART signals blank: none • Shortcircuit protection /Q: With options (specify the specification) • Applicable to smart transmitters Typical Applications SPECIFICATIONS OF OPTION: Q (multiple selections) • 2-wire HART transmitters COATING (For the detail, refer to M-System's web site.) 23 (.91) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating 76 TERMINAL SCREW MATERIAL (2.99) /S01: Stainless steel 124 GENERAL SPECIFICATIONS (4.88) Construction: Plug-in mm (inch) Connection: M3 screw terminals (torque 0.8 N·m) Housing material: Flame-resistant resin (black) MODEL: M2DYH–24A–[1][2] Isolation: Input to output to power Overrange output: Approx. -10 to +110 % Zero adjustment: -5 to +5 % (front) ORDERING INFORMATION Span adjustment: 95 to 105 % (front) • Code number: M2DYH-24A[1][2] Specify a code from below for [1] and [2]. (e.g. M2DYH-24A-M2/Q) SUPPLY OUTPUT • Specify the specification for option code /Q (across the terminals 1 – 5) (e.g. /C01/S01) Output voltage: 24 – 28 V DC with no load 18 V DC min. at 20 mA Current rating: ≤ 22 mA DC SUPPLY OUTPUT • Shortcircuit Protection 24: 24 V DC Current limited: 30 mA max. Protected time duration: No limit INPUT Current INPUT SPECIFICATIONS 4 – 20 mA DC (Input resistance 250 Ω) • DC Current: Input resistor incorporated OUTPUT HART COMMUNICATION Current Frequency band: 500 Hz – 10 kHz (within -10 dB) A: 4 – 20 mA DC (Load resistance 600 Ω max.) Transmission gain: Approx. -3 dB (within 1 k – 3 kHz) 250 Ω ±10 % for HART communication measured with 250 Ω at output Communication directions: Bidirectional [1] POWER INPUT AC Power INSTALLATION M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, Power Consumption 47 – 66 Hz) •AC Power input: DC Power Approx. 3.5 VA at 100 V R: 24 V DC http://www.m-system.co.jp/ M2DYH SPECIFICATIONS ES-5027 Rev.5 Page 1/3 MODEL: M2DYH Approx. 5.5 VA at 200 V Approx. 6.5 VA at 264 V •DC Power input: Approx. 3 W Operating temperature: -5 to +55°C (23 to 131°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 150 g (0.33 lbs) PERFORMANCE in percentage of span Accuracy: ±0.1 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Response time: ≤ 0.5 sec. (0 – 90 %) Line voltage effect Supply output: ±3 % over voltage range Output signal: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute (input to 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. http://www.m-system.co.jp/ M2DYH SPECIFICATIONS ES-5027 Rev.5 Page 2/3 70.5 (2.78) 59 (2.32) 4 (.16) 72 (2.83) MODEL: M2DYH SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM HART Isolation Z S DC Isolation 4–20mADC Output + 1 9 + Driver * 250Ω RL INPUT OUTPUT HHC – 4 12 – 2-WIRE XMTR PWR SUPPLY 24V DC + 5 Supply 8 HART Isolation 13 U(+) POWER 14 V(–) Base Socket *Hand-held communicator � When Used as DC Supply � When Used as Isolator – + + 1 + + 1 1 * 250Ω HHC INPUT 250Ω * 2-WIRE HHC – 4 – 4 XMTR + + 5 + 5 Specifications are subject to change without notice. http://www.m-system.co.jp/ M2DYH SPECIFICATIONS ES-5027 Rev.5 Page 3/3