18VP MSYSTEM | Alldatasheet
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Technical content
MODEL: 18VP 18VP SPECIFICATIONS ES-1821 Rev.14 Page 1/3 http://www.m-system.co.jp/ Rack-mounted DCS Signal Conditioners 18-RACK I/P TRANSDUCER Functions & Features
- Converting a DC input into a proportional standard pneumatic signal
- Semiconductor pressure sensor in the feedback circuit
- High resolution
- No mounting position effect Typical Applications
- Converting a 4 – 20 mA from a PID controller into a pneumatic signal MODEL: 18VP–[1][2][3]–R
ORDERING INFORMATION
- Code number: 18VP-[1][2][3]-R Specify a code from below for each of [1] through [3]. (e.g. 18VP-261-R) [1] PNEUMATIC CONNECTION 2: Rc 1/4" 7: 1/4" NPT fitting [2] INPUT Current A: 4 – 20 mA DC (Input resistance 250 Ω) Voltage 6: 1 – 5 V DC (Input resistance 1 MΩ min.) [3] OUTPUT 1S: 19.6 – 98.1 kPa 2S: 20 – 100 kPa 3S: 20.7 – 103.4 kPa 1: 0.2 – 1.0 kgf/cm2 2: 0.2 – 1.0 bar 3: 3 – 15 psig POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
RELATED PRODUCTS
- Standard rack with air manifold Note: The 18VP must be installed in a 18-RACK or 18K-RACK series rack with air manifold. GENERAL SPECIFICATIONS Construction: Rack-mounted; terminal access via screw terminals on the front and connector on the rear; terminal cover provided Connection Input: M3.5 screw terminals (torque 0.8 N·m) and connector Pneumatic: Rc 1/4" or 1/4" NPT female (torque ≤ 12 N·m) Power input: supplied from connector Supply pressure: supplied collectively from the rack Screw terminal: Nickel-plated steel Isolation: Input to power Zero adjustment: -5 to +5 % (front) Span adjustment: 95 to 105 % (front) INPUT SPECIFICATIONS ■ DC Current: Input resistor incorporated OUTPUT SPECIFICATIONS ■ Output: 19.6 – 98.1 kPa, 0.2 – 1.0 kgf/cm2 20 – 100 kPa, 0.2 – 1.0 bar 20.7 – 103.4 kPa, 3 – 15 psig The output goes below 0 % if the input loop is open. Maximum air delivery: 60 Nl/minute (2.1 SCFM) Maximum air exhaust: 60 Nl/minute (2.1 SCFM)
MODEL: 18VP 18VP SPECIFICATIONS ES-1821 Rev.14 Page 2/3 http://www.m-system.co.jp/ INSTALLATION Supply pressure: 140 kPa (1.4 kgf/cm2, 1.4 bar, 20 psig) ±10 %. Use dry air containing no carbon black or other foreign particles. To ensure reliability use an air filter (0.01 microns). Air consumption: 6 Nl/minute (0.21 SCFM) Current consumption: Approx. 30 mA Operating temperature: -5 to +55°C (23 to 131°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Standard Rack 18BXx or 18KBXx Weight: 250 g (0.55 lb) PERFORMANCE in percentage of span Accuracy: ±0.3 % including linearity and repeatability Linearity: ±0.2 % Repeatability: 0.1 % Temp. coefficient: ±0.05 %/°C (±0.03 %/°F) Response time: ≤ 3 sec. (0 – 90 %) Mounting position effect: ±0.1 % (all dimensions) Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 500 V AC @ 1 minute (input to power)
1500 V AC @ 1 minute
(input or power to ground) EXTERNAL DIMENSIONS unit: mm (inch) 23.5 (.93) OUTPUT CONNECTION Rc 1/4” or 1/4” NPT 118.6 (4.67) 130 (5.12 ) 76 (2.99) 14.5 (.57) 33 (1.30) 2–M3 SCREW NPT FITTING 20 (.79)27 (1.06) 93 (3.66) 23.7 (.93)
MODEL: 18VP 18VP SPECIFICATIONS ES-1821 Rev.14 Page 3/3 http://www.m-system.co.jp/ TERMINAL ASSIGNMENTS + – SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Pilot Valve Z S SUPPLY PRESSURE Semiconductor Pressure Sensor Deviation AmplifierINPUT Driver OUTPUT CONNECTOR INPUT POWER ELECTRO-MAGNETIC FLAPPER Specifications are subject to change without notice.