Model ZERO SPAN ZERO SPAN MODEL: W2RS Space-saving Dual Output Signal Conditioners [1] INPUT RTD (2- or 3-wire) 1: JPt 100 (JIS'89) Mini-MW Series (Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F) 3: Pt 100 (JIS'89) RTD TRANSMITTER (Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F) Functions & Features 4: Pt 100 (JIS'97, IEC) • Accepts direct input from an RTD (Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F) • Linearization 5: Pt 50 Ω (JIS'81) • Burnout (Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F) • “Active bridge” circuit containing two constant current 6: Ni 508.4 Ω sources allows large leadwire resistances up to 200 Ω (Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F) • Fast response type available C: Cu (Refer to ‘Cu INPUT’.) • CE marking 0: Specify • UL approval [2] OUTPUT 1 Typical Applications Current • Long distance transmission between the RTD and the A: 4 – 20 mA DC (Load resistance 750 Ω max.) transmitter B: 2 – 10 mA DC (Load resistance 1500 Ω max.) • Combination with intrinsic safety barriers C: 1 – 5 mA DC (Load resistance 3000 Ω max.) D: 0 – 20 mA DC (Load resistance 750 Ω max.) 29.5 (1.16) E: 0 – 16 mA DC (Load resistance 900 Ω max.) F: 0 – 10 mA DC (Load resistance 1500 Ω max.) G: 0 – 1 mA DC (Load resistance 15 kΩ max.) 89 Z: Specify current (See OUTPUT SPECIFICATIONS) (3.51) Voltage 1: 0 – 10 mV DC (Load resistance 10 kΩ min.) 2: 0 – 100 mV DC (Load resistance 100 kΩ min.) 124 (4.88) 3: 0 – 1 V DC (Load resistance 1000 Ω min.) mm (inch) 4: 0 – 10 V DC (Load resistance 10 kΩ min.) 5: 0 – 5 V DC (Load resistance 5000 Ω min.) 6: 1 – 5 V DC (Load resistance 5000 Ω min.) MODEL: W2RS–[1][2][3]-[4][5] 0: Specify voltage (See OUTPUT SPECIFICATIONS) ORDERING INFORMATION [3] OUTPUT 2 • Code number: W2RS-[1][2][3]-[4][5] Y: None Specify a code from below for each [1] through [5]. Current ((e.g. W2RS-4A6-M2/BL/CE/Q) A: 4 – 20 mA DC (Load resistance 350 Ω max.) • Temperature range (e.g. 0 – 500°C) B: 2 – 10 mA DC (Load resistance 700 Ω max.) • Special output ranges (For codes Z & 0) C: 1 – 5 mA DC (Load resistance 1400 Ω max.) • Specify the specification for option code ‘Q.’ D: 0 – 20 mA DC (Load resistance 350 Ω max.) (e.g. /C01/V01) E: 0 – 16 mA DC(Load resistance 430 Ω max.) For the input code C, specify also the following. If not F: 0 – 10 mA DC (Load resistance 700 Ω max.) specified, Cu 10 Ω @25°C (usable range -200 – +260°C) will G: 0 – 1 mA DC (Load resistance 7000 Ω max.) be used. Z: Specify current (See OUTPUT SPECIFICATIONS) • Input type (e.g. Cu 10 Ω) Voltage • Resistance range (e.g. 9.038 – 12.891 Ω) Same range availability as Output 1 Note: If one of the outputs should be a current range, specify it for the Output 1 to allow a greater load. [4] POWER INPUT AC Power M2: 100 – 240 V AC (Operational voltage range 85 – 264 V, 47 – 66 Hz) http://www.m-system.co.jp/ W2RS SPECIFICATIONS ES-5513 Rev.10 Page 1/4 MODEL: W2RS (90 – 264 V for UL) INPUT SPECIFICATIONS DC Power Input: 2- or 3-wire RTD (Refer to 'Cu Input' for the input R: 24 V DC code C.) (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) Maximum leadwire resistance: 200 Ω per wire (3-wire) R2: 11 – 27 V DC Sensing current: 2 mA (Pt);1 mA (Ni 508.4 Ω) (Operational voltage range 11 – 27 V, ripple 10 %p-p max.) (Select ‘/N’ for ‘Standards & Approvals’ code.) OUTPUT SPECIFICATIONS P: 110 V DC ■ DC Current: 0 – 20 mA DC (Operational voltage range 85 – 150 V, ripple 10 %p-p max.) Minimum span: 1 mA (110 V ±10 % for UL) Offset: Max. 1.5 times span Load resistance: Output drive 15 V max. for Output 1; [5] OPTIONS (multiple selections) 7 V max. for Output 2 Response Time (0 – 90 %) ■ DC Voltage: -10 – +12 V DC (up to 10 V for Output 2) blank: Standard (≤ 0.5 sec.) Minimum span: 5 mV /K: Fast Response (Approx. 25 msec.) Offset: Max. 1.5 times span Burnout Load resistance: Output drive 1 mA max.; at ≥ 0.5 V blank: Upscale burnout /BL: Downscale burnout INSTALLATION Standards & Approvlas (must be specified) Power Consumption /N: Without CE or UL •AC Power input: /CE: CE marking Approx. 4 VA at 100 V /UL: UL approval, CE marking Approx. 5 VA at 200 V Other Options Approx. 6 VA at 240 V blank: none •DC power input: Approx. 3 W /Q: Option other than the above (specify the specification) Operating temperature: -5 to +55°C (23 to 131°F) (UL not available) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail SPECIFICATIONS OF OPTION: Q (multiple selections) Weight: 200 g (0.44 lbs) COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating PERFORMANCE in percentage of span /C02: Polyurethane coating Accuracy: ±0.2 % /C03: Rubber coating Refer to ‘Cu INPUT’ for the input code C. ADJUSTMENT Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) /V01: Multi-turn fine adjustment Refer to ‘Cu Input’ for the input code C. TERMINAL SCREW MATERIAL Burnout response: ≤ 10 sec. /S01: Stainless steel Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC GENERAL SPECIFICATIONS Dielectric strength: 2000 V AC @1 minute (input to output Construction: Plug-in 1 to output 2 to power to ground) Connection: M3 screw terminals (torque 0.8 N·m) Housing material: Flame-resistant resin (black) Cu INPUT Isolation: Input to output 1 to output 2 to power ■ INPUT Overrange output: Approx. -10 to +120 % at 1 – 5 V • Sensing current (resistance span): Zero adjustment: -5 to +5 % (front) 140 Ω ≤ Span ≤ 300 Ω : 1 mA Span adjustment: 95 to 105 % (front) 12 Ω ≤ Span < 140 Ω : 2 mA Burnout: Upscale standard;downscale optional 8 Ω ≤ Span < 12 Ω : 3 mA Linearization: Standard (not available for the input code C) 3.5 Ω ≤ Span < 8 Ω : 5 mA • Max. leadwire resistance: 200 Ω or the value calculated using the equation below, whichever is smaller. http://www.m-system.co.jp/ W2RS SPECIFICATIONS ES-5513 Rev.10 Page 2/4 MODEL: W2RS Leadwire resistance(Ω) = (2500 - 100% resistance(Ω) × Sensing current(mA)) ÷ (3 × Sensing current(mA)) • Usable range: 3.5 Ω ≤ Resistance span(Ω) ≤ 300Ω 100 % resistance(Ω) < (2500 – 3 × Leadwire resistance (Ω) × Sensing current (mA)) ÷ Sensing current (mA) ■ PERFORMANCE • Accuracy Resistance span ≥ 20 Ω: ±0.2 % Otherwise use the equation below: Accuracy(%) = 0.02(Ω) ÷ Resistance span(Ω) × 100 + 0.1(%) × 40(mV) ÷ (Resistance span(Ω) × Sensing current(mA)) • Temperature coefficient Resistance span(Ω) × Sensing current(mA) ≥ 40(mV): ±0.015 %/°C Otherwise use the equation below: Temperature coefficient(%/°C) = 0.015(%/°C) × 40(mV) ÷ (Resistance span(Ω) × Sensing current(mA)) 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) Approval: UL/C-UL nonincendive Class I, Division 2, Groups A, B, C, and D hazardous locations (UL 1604:2004, CAN/CSA-C22.2 No.213:1987) UL/C-UL general safety requirements (UL 61010B-1:2003, CAN/CSA-C22.2 No.61010-1:1992) http://www.m-system.co.jp/ W2RS SPECIFICATIONS ES-5513 Rev.10 Page 3/4 MODEL: W2RS DIMENSIONS 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) 23 (.91) 10 (.39) 84 (3.31) 114 (4.49) [4 (.16)] When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Burnout RTD A 1 Z S Isolation Reference + Resistor Differential Output B 2 – 7 + Amplifier Driver Constant OUTPUT 1 Current B 4 – 8 Constant Z S Current 5 Linearizer Output + 3 Driver 9 OUTPUT 2 – 6 10 U(+) POWER 11 V(–) Base Socket Remark: The section enclosed by broken line is only with 2nd output option. Specifications are subject to change without notice. http://www.m-system.co.jp/ W2RS SPECIFICATIONS ES-5513 Rev.10 Page 4/4 89 (3.50) 53 (2.09) 59 (2.32) 72 (2.83) 4 (.16)