LDSN MSYSTEM | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 3

Technical content

MODEL: LDSN http://www.m-system.co.jp/ LDSN SPECIFICATIONS ES-1951 Rev.8 Page 1/3 INPUT LOOP POWERED ISOLATOR (super-miniature size) Functions & Features

  • Loop-powered design eliminates output loop power supply
  • 500 V DC input-to-output isolation
  • 350 Ω output drive with 4 – 20 mA Typical Applications
  • Isolation between control room and field instrumentation, between telemetering system and input device
  • Eliminates ground problems in existing systems thanks to easiness of application without requiring additional power wiring
  • Can be used as field-I/O terminals (2.36) 44 (1.73) (1.81) mm (inch) MODEL: LDSN–[1][2][3]

ORDERING INFORMATION

  • Code number: LDSN–[1][2][3] Specify a code from below for each [1] through [3]. (e.g. LDSN-A6/D/Q)
  • Specify the specification for option code /Q (e.g. /C01/S01) [1] INPUT Current A: 4 – 20 mA DC H: 10 – 50 mA DC [2] OUTPUT Current A: 4 – 20 mA DC Voltage 6: 1 – 5 V DC [3] OPTIONS (multiple selections) Mounting blank: Surface /D: DIN rail Other Options blank: none /Q: Option other than the above (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: M4 screw terminals (torque 1.2 N·m) Screw terminal: Nickel-plated brass (standard) or stainless steel Housing material: Flame-resistant resin (black) Isolation: Input to output Zero adjustment (front) Voltage output: -5 to +5 % Current output: -0.5 to +0.5 % Span adjustment (front) Voltage output: 95 to 105 % Current output: 98.5 to 101.5 % INPUT & OUTPUT ■ Input 4 – 20 mA DC / Output 1 – 5 V DC Equivalent input impedance: Approx. 250 Ω with 20 mA input Operational range: 3 – 22 mA DC (Accuracy is assured within 4 – 22 mA) Load resistance: ≥ 50 kΩ ■ Input 10 – 50 mA DC / Output 1 – 5 V DC Equivalent input impedance: Approx. 100 Ω with 50 mA input Operational range: 7 – 55 mA DC (Accuracy is assured within 8 – 55 mA) Load resistance: ≥ 50 kΩ ■ Input 4 – 20 mA DC / Output 4 – 20 mA DC Equivalent input impedance: 230 Ω plus load resistance with 20 mA input Operational range: 3 – 22 mA DC (Accuracy is assured within 4 – 22 mA) Load resistance: 50 – 350 Ω (min. 50 Ω required for adequate operation) ■ Input 10 – 50 mA DC / Output 4 – 20 mA DC Equivalent input impedance: 90 Ω + [load resistance×0.16] with 50 mA input Operational range: 7 – 55 mA DC

MODEL: LDSN http://www.m-system.co.jp/ LDSN SPECIFICATIONS ES-1951 Rev.8 Page 2/3 (Accuracy is assured within 8 – 55 mA) Load resistance: 50 – 600 Ω (min. 50 Ω required for adequate operation)

  • INPUT 4 – 20 mA DC / OUTPUT 1 – 5 V DC INPUT CURRENT [mA] 4 12 20 5.0 approx. 3.7 VOLTAGE [V] ACROSS INPUT TERMINALS 3.0 approx. 5.0 4.0
  • INPUT 10 – 50 mA DC / OUTPUT 1 – 5 V DC INPUT CURRENT [mA] 10 30 50 5.0 approx. 3.7 VOLTAGE [V] ACROSS INPUT TERMINALS 3.0 approx. 5.0 4.0
  • INPUT 4 – 20mA DC / OUTPUT 4 – 20 mA DC INPUT CURRENT [mA] 4 12 20 10.0 VOLTAGE [V] ACROSS INPUT TERMINALS 3.0 approx. 5.6 (load 50Ω ) 6.0 12.0 approx. 5.0 8.0 approx. 3.8 approx. 9.6 (load 250Ω ) approx. 4.6 approx. 11.6 (load 350Ω )
  • INPUT 10 – 50 mA DC / OUTPUT 4 – 20 mA DC INPUT CURRENT [mA] 10 30 50 10.0 VOLTAGE [V] ACROSS INPUT TERMINALS 3.0 approx. 4.9 (load 50Ω ) 6.0 approx. 4.7 8.0 approx. 3.8 approx. 6.5 (load 250Ω ) approx. 4.1 approx. 9.3 (load 600Ω ) INSTALLATION Operating temperature: -10 to +55°C (14 to 131°F) Operating humidity: 30 to 85 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 100 g (0.22 lb) for surface mounting 120 g (0.24 lb) for DIN rail mounting PERFORMANCE in percentage of span Accuracy: ±0.1 % Temp. coefficient Voltage output: ±0.015 %/°C (±0.008 %/°F) Current output: ±0.02 %/°C (±0.01 %/°F) Response time Voltage output: ≤ 0.5 sec. (0 – 90 %) Current output: Approx. 15 msec. (0 – 90 %) Load effect (current output) 4 – 20 mA input: 0.015 %/Ω (50 – 150 Ω) 10 – 50 mA input: 0.015 %/Ω (50 – 100 Ω) (The unit is calibrated with 250 Ω load at the factory.) Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength:

500 V AC @1 minute (input to output)

2000 V AC @1 minute (input or output to ground)

MODEL: LDSN http://www.m-system.co.jp/ LDSN SPECIFICATIONS ES-1951 Rev.8 Page 3/3 EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 60 (2.36) 72 (2.83) 80 (3.15) 32 (1.26) 44 (1.73) 9 (.35) 4–M4 SCREW 2–2.5 (.10) rad. 46 (1.81) 3 (.18) 26 (1.02) 60 (2.36) 80 (3.15) 44 (1.73) 52 (2.05) 9 (.35) 4–M4 SCREW SPAN ADJ. 46 (1.81) 8.5 (.33) 12.5 (.49) ■ SURFACE MOUNTING ■ DIN RAIL MOUNTING ZERO ADJ. SPAN ADJ. ZERO ADJ. MOUNTING REQUIREMENTS unit: mm (inch) 72 (2.83) 72 (2.83) min. 72 (2.83) min. 32 (1.26) M4 SCREW ■ SURFACE MOUNTING ■ DIN RAIL MOUNTING SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM INPUT Chopper Z S OUTPUT Inverter Rectifier Buffer Amplifier ■ VOLTAGE OUTPUT INPUT S OUTPUT Inverter Isolation Load Effect Compensation Z ■ CURRENT OUTPUT Specifications are subject to change without notice.