18YC MSYSTEM | Alldatasheet

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Technical content

MODEL: 18YC 18YC SPECIFICATIONS ES-1889 Rev.7 Page 1/2 http://www.m-system.co.jp/ Rack-mounted DCS Signal Conditioners 18-RACK CONTROL OUTPUT ISOLATOR Functions & Features

  • Accepting a 4 – 20m A DC input and providing an isolated 4 – 20 mA DC output
  • Input from the Standard Rack connector can be monitored at the front terminals
  • Opencircuit detection MODEL: 18YC–AA–R

ORDERING INFORMATION

  • Code number: 18YC-AA-R INPUT Current A: 4 – 20 mA DC (Input resistance 250 Ω) OUTPUT Current A: 4 – 20 mA DC (Load resistance 600 Ω max.) POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) GENERAL SPECIFICATIONS Construction: Rack-mounted; terminal access via screw terminals on the front and connector on the rear; terminal cover provided Connection Input: Connector Input monitor: M3.5 screw terminals (torque 0.8 N·m) Output: M3.5 screw terminals (torque 0.8 N·m) Power input: Supplied from connector Screw terminal: Nickel-plated steel Isolation: Input to output to power Zero adjustment: -5 to +5 % (front) Span adjustment: 95 to 105 % (front) Opencircuit detection: input current 0 mA when the output loop is open. OUTPUT SPECIFICATIONS The output goes below 0 % when the input is open. INSTALLATION Current consumption: Approx. 50 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: 150 g (0.33 lb) 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: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @ 1 minute (output to input or power)

500 V AC @ 1 minute (input to power)

1500 V AC @ 1 minute

(input or output or power to ground)

MODEL: 18YC 18YC SPECIFICATIONS ES-1889 Rev.7 Page 2/2 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS unit: mm (inch) 110 (4.33 ) 93 (3.66) 24 (.94) 7 (.28) 78 (3.07)32 (1.26) 8–M3.5 SCREW 7 (.28) 2–M3 SCREW TERMINAL ASSIGNMENTS 1 2 3 4 7 8 5 6 SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Isolation INPUT MONITOR

5 Low Drift

250Ω Output Driver Specifications are subject to change without notice.