Model ZERO SPAN ZERO SPAN MODEL: W2DYH2 A: 4 – 20 mA DC (Load resistance 350 Ω max.) Space-saving Dual Output Signal Conditioners Mini-MW Series [2] POWER INPUT AC Power CURRENT LOOP SUPPLY M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, (applicable to HART signal) 47 – 66 Hz) Functions & Features DC Power • Powers a 4 – 20 mA DC current loop R: 24 V DC • Isolates and relays HART signals (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) • Shortcircuit protection R2: 11 – 27 V DC • Opencircuit detection (Operational voltage range 11 – 27 V, ripple 10 %p-p max.) • High-density mounting (Select ‘/N’ for ‘Standards & Approvals’ code.) • CE marking P: 110 V DC (Operational voltage range 85 – 150 V, ripple 10 %p-p max.) Typical Applications • 2-wire HART transmitters [3] OPTIONS (multiple selections) 29.5 (1.16) Opencircuit detection blank: none /B: Opencircuit detector (Output 1) Standards & Approvlas (must be specified) 88.5 (3.48) /N: Without CE /CE: CE marking 124 (4.88) GENERAL SPECIFICATIONS mm (inch) Construction: Plug-in Connection: M3 screw terminals (torque 0.8 N·m) Housing material: Flame-resistant resin (black) MODEL: W2DYH2–24A[1]-[2][3] Isolation: Input to output 1 to output 2 to power Overrange output: Approx. -10 to +110 % ORDERING INFORMATION Zero adjustment: -5 to +5 % (front) • Code number: W2DYH2-24A[1]-[2][3] Span adjustment: 95 to 105 % (front) Specify a code from below for each [1] through [3]. Opencircuit detection: Input current 0 mA when the Output (e.g. W2DYH2-24AA-M2/B/CE) 1 loop is open. Photo MOS Relay ON Resistance; 3 Ω max. SUPPLY OUTPUT 24: 24 V DC SUPPLY OUTPUT (across the terminals 1 – 4) Output voltage: 24 – 28 V DC with no load INPUT 18 V DC min. at 20 mA Current Current rating: ≤ 22 mA DC 4 – 20 mA DC (Input resistance 250 Ω) • Shortcircuit Protection Current limited: 30 mA max. OUTPUT 1 Protected time duration: No limit Current A: 4 – 20 mA DC (Load resistance 600 Ω max.) INPUT SPECIFICATIONS 250 Ω ±10 % for HART communication ■ DC Current: Input resistor incorporated Input current: ≥ 0 mA [1] OUTPUT 2 Y: None Current http://www.m-system.co.jp/ W2DYH2 SPECIFICATIONS ES-5528 Rev.0 Page 1/3 MODEL: W2DYH2 HART COMMUNICATION Transmission gain: Approx. -3 dB (within 1 k – 3 kHz) measured with 250 Ω at output Loop impedance: 250 Ω ±10 % Communication directions: Bidirectional (HART communication not available for Output 2) INSTALLATION Power consumption •AC: Approx. 5 VA at 100 V Approx. 7 VA at 200 V Approx. 8 VA at 240 V •DC: Approx. 4 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: 200 g (0.44 lbs) PERFORMANCE in percentage of span Accuracy: ±0.1 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Response time Output signal 1: ≤ 0.5 sec. (0 – 90 %) Output signal 2: ≤ 0.2 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 1 to output 2 to power to ground) STANDARDS & APPROVALS CE conformity: EMC Directive (2004/108/EC) EMI EN 61000-6-4: 2007 EMS EN 61000-6-2: 2005 Low Voltage Directive (2006/95/EC) EN 61010-1: 2001 Installation Category II Pollution Degree 2 Input or output 1 or output 2 to power input: Reinforced insulation (300 V) Input to output 1 to output 2: Basic insulation (300 V) http://www.m-system.co.jp/ W2DYH2 SPECIFICATIONS ES-5528 Rev.0 Page 2/3 MODEL: W2DYH2 EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 6 (.23) DIN RAIL 3 2 1 35mm wide 6 5 4 2–4.2x5 (.17x.20) MTG HOLE 6 (.24) deep 9 8 7 11–M3 SCREW 11 10 22 (.87) 29.5 (1.16) 21.5 (.87) 10 (.39) 84 (3.31) 114 (4.49) [4 (.16)] When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM HART Isolation 2 Z S DC Isolation * 4–20mADC Output Open Circuit + + 1 7 * Driver Detector 250Ω RL OUTPUT 1 HHC INPUT – – 2 8 2-WIRE XMTR Z S 24V DC PWR SUPPLY + 4 Supply 4–20mADC Output 3 + Driver RL 5 OUTPUT 2 6 – 9 U(+) 10 POWER V(–) 11 Base Socket * Hand-held communicator *2. Included with option /B Remark: The section enclosed by broken line is only with 2nd output option. ■ When Used as DC Supply ■ When Used as Isolator – + + + + 1 1 1 * 250Ω 250Ω HHC INPUT * 2-WIRE – – HHC 2 2 XMTR + + + 4 4 Specifications are subject to change without notice. http://www.m-system.co.jp/ W2DYH2 SPECIFICATIONS ES-5528 Rev.0 Page 3/3 88.5 (3.48) 53 (2.09) 59 (2.32) 72 (2.83) 4 (.16)