PM2W MSYSTEM | Alldatasheet
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Technical content
MODEL: PM2W PM2W SPECIFICATIONS ES-3225 Rev.5 Page 1/2 http://www.m-system.co.jp/ Plug-in Signal Conditioners M-UNIT 2-WIRE POTENTIOMETER TRANSMITTER (molded) Functions & Features
- Providing a 4 – 20 mA DC signal proportional to a potentiometer or slidewire position input
- Constant voltage excitation allows use with pots with total resistances from 100 Ω – 2 kΩ without affecting accuracy
- Small, molded unit is suitable for being incorporated into another device Typical Applications
- Tank levels
- Positions 40 (1.57) 25 (.98) (1.57) mm (inch) NO. TYPE PM2W DC24V POWER DC4–20mA OUTPUT ZERO ADJ. SPAN ADJ. MODEL: PM2W
ORDERING INFORMATION
- Code number: PM2W
RELATED PRODUCTS
- Current loop supply (model: YVD)
- Mounting Frame (model: PM2W-FR) GENERAL SPECIFICATIONS Construction: Molded Connection: M3 screw terminals (torque 0.5 N·m) Screw terminal: Nickel-plated brass Housing material: Flame-resistant resin (black) Zero adjustment: 0 to 10 % of total resistance Span adjustment: (of total resistance) 135 Ω or above: 50 – 100 % Below 135 Ω: 70 – 100 % INPUT SPECIFICATIONS Potentiometer: 100 Ω – 2 kΩ Minimum span: 50 % of total resistance (≥ 135 Ω); 70 % of total resistance (< 135 Ω) Excitation: 0.2 V DC OUTPUT SPECIFICATIONS Output range: 4 – 20 mA DC Load resistance vs. supply voltage: Load Resistance (Ω) = (Supply Voltage (V) – 9 (V)) ÷ 0.02 (A) (including leadwire resistance) 5 15 20 25 28 9 150 300 450 600 750 900 950 LOAD RESISTANCE [ Ω ] SUPPLY VOLTAGE [V] (750Ω maximum at 24V DC) INSTALLATION Supply voltage: 9 – 28 V DC Operating temperature: -5 to +60°C (23 to 140°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface with the Mounting Frame (model: PM2W- FR) Weight: 90 g (0.2 lb) PERFORMANCE in percentage of span Accuracy: ±0.2 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Response time: ≤ 0.1 sec. (0 – 90 %) Dielectric strength: 2000 V AC @1 minute (input or output to ground)
MODEL: PM2W PM2W SPECIFICATIONS ES-3225 Rev.5 Page 2/2 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 40 (1.57) OUTPUT TERMINALS POTENTIOMETER INPUT TERMINALS5–M3 SCREW 1 2 SPAN ZERO 3 4 5 MOUNTING REQUIREMENTS unit: mm (inch) 52 (2.05) 62 (2.44) 42 (1.65) 15 (.59) 4–ø3.5 (.14) MTG HOLE MOUNTING FRAME (model: PM2W-FR) 2–M3 TAP SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Z Voltage Amplifier Output Driver4 S Reference Voltage Generator3 POTENTIOMETER max. min. LOAD OUTPUT 24V DC 4 – 20mA DC Specifications are subject to change without notice.