L2CA MSYSTEM | Alldatasheet

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Technical content

MODEL: L2CA http://www.m-system.co.jp/ L2CA SPECIFICATIONS ES-1987 Rev.6 Page 1/3 Power Transducer Series L-UNIT DUAL CT TRANSDUCER (Average sensing, RMS calibrated) Functions & Features

  • Converting an alternating current from a current transformer into a standard process signal
  • Minimum ripple
  • 2 transducers housed in one enclosure
  • Isolation up to 2000 V AC
  • High-density mounting Typical Applications
  • Centralized monitoring and control of motors, pumps or heaters by DCS
  • Monitoring power line and power supply current (2.95) 112 (4.41) (2.95) mm (inch) MODEL: L2CA–[1][2]–[3][4]

ORDERING INFORMATION

  • Code number: L2CA–[1][2]-[3][4] Specify a code from below for each [1] through [4]. (e.g. L2CA-5A-C/Q)
  • Special output range (For codes Z & 0)
  • Specify the specification for option code /Q (e.g. /C01/S01) [1] INPUT Current 1: 0 – 1 A AC 5: 0 – 5 A AC [2] OUTPUT Current A: 4 – 20 mA DC (Load resistance 500 Ω max.) D: 0 – 20 mA DC(Load resistance 500 Ω max.) E: 0 – 16 mA DC (Load resistance 625 Ω max.) F: 0 – 10 mA DC (Load resistance 1000 Ω max.) G: 0 – 1 mA DC (Load resistance 10 kΩ max.) J: 0 – 5 mA DC (Load resistance 2000 Ω max.) Z: Specify current (See OUTPUT SPECIFICATIONS) Voltage 1: 0 – 10 mV DC (Load resistance 10 kΩ min.) 2: 0 – 100 mV DC (Load resistance 100 kΩ min.) 3: 0 – 1 V DC (Load resistance 1000 Ω min.) 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.) 0: Specify voltage (See OUTPUT SPECIFICATIONS) [3] AUXILIARY POWER SUPPLY AC Power B: 100 V AC C: 110 V AC D: 115 V AC F: 120 V AC G: 200 V AC H: 220 V AC J: 240 V AC DC Power R: 24 V DC V: 48 V DC [4] OPTIONS blank: none /Q: With options (specify the specification) SPECIFICATIONS OF OPTION: Q (multiple selections) COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating TERMINAL SCREW MATERIAL /S01: Stainless steel GENERAL SPECIFICATIONS Construction: Stand-alone; terminal access at the front Connection: M3.5 screw terminals (torque 0.8 N·m) Screw terminal: Nickel-plated steel (standard) or stainless steel Housing material: Flame-resistant resin (black) Isolation: Input to output to auxiliary power, between channels Input waveform: Sine wave Overrange output: 0 to 120 % at 1 – 5 V Zero adjustment: -5 to +5 % (front) Span adjustment: 95 to 105 % (front)

MODEL: L2CA http://www.m-system.co.jp/ L2CA SPECIFICATIONS ES-1987 Rev.6 Page 2/3 INPUT SPECIFICATIONS Frequency: 50 or 60 Hz Input burden: 0.3 VA per channel Overload capacity: 1000 % of rating for 3 sec., 200 % for 10 sec., 120 % continuous Operational range: 0 – 120 % of rating OUTPUT SPECIFICATIONS ■ DC Current: 0 – 20 mA DC Minimum span: 1 mA Offset: Max. 1.5 times span Load resistance: Output drive 10 V max. ■ DC Voltage: 0 – 12 V DC Minimum span: 5 mV Offset: Max. 1.5 times span Load resistance: Output drive 1 mA max.; at ≥ 0.5 V OUT 10V ■ OPERATION DIAGRAM (example) 2.5 5A IN OUT 20mA 2.5 5A IN INSTALLATION Auxiliary power supply

  • AC: Operational voltage range: rating -15/+10 %, 50/60 Hz, approx. 3 VA
  • DC: Operational voltage range: rating ±10 % ripple 10 %p-p max., approx. 3 W (125 mA at 24 V) Operating temperature: -10 to +55°C (14 to 131°F) Operating humidity: 30 to 85 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 400 g (0.88 lb) PERFORMANCE in percentage of span Accuracy: ±0.5 % (at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz) Response time: ≤ 1 sec. (0 – 100 % ±1 %) Ripple: 0.5 %p-p max. Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @ 1 minute (input to output to auxiliary power to ground, between channels) Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV (input to output or ground)

MODEL: L2CA http://www.m-system.co.jp/ L2CA SPECIFICATIONS ES-1987 Rev.6 Page 3/3 CONNECTION DIAGRAM Ch.1 OUTPUT LOAD SOURCE k l Ch.1 CT L K Ch.2 OUTPUT LOAD SOURCE k l Ch.2 CT L K U(+) V(–) POWER EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) DIN RAIL 35mm wide 8 (.31) M3.5 SCREW (Only on the used terminals) 75 (2.95) TERMINAL COVER 2–5.8 (.23) dia. or 2–4.8 (.18) dia. MTG HOLE 8 (.31) deep

  • When mounting, no extra space is needed between units. 75 (2.95) 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 3 (.12) 1(.04) MOUNTING REQUIREMENTS unit: mm (inch) 2–M5 60 (2.36) 60 (2.36) ■ M5 SCREWS 2–M4 60 (2.36) 50 (1.97) ■ M4 SCREWS Specifications are subject to change without notice.