MFS MSYSTEM | Alldatasheet

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Technical content

MODEL: MFS MFS SPECIFICATIONS ES-1379 Rev.13 Page 1/5 http://www.m-system.co.jp/ Plug-in Signal Conditioners M-UNIT SPLIT-RANGE TRANSMITTER Functions & Features

  • Generating two signals which control two final control elements
  • High-density mounting Typical Applications
  • Balancing two final control elements in opposite actions used in heating-cooling or humidifying-dehumidifying processes (1.97) 136 (5.35) (3.15) mm (inch) MODEL: MFS–[1]–[2][3][4]–[5][6]

ORDERING INFORMATION

  • Code number: MFS-[1]-[2][3][4]-[5][6] Specify a code from below for each of [1] through [6]. (e.g. MFS-V-AAA-B/Q)
  • Specify the specification for option code /Q (e.g. /C01/S01) [1] OUTPUT CHARACTERISTICS V: V-shape P: Parallel Output 2 is assigned to the reversed output in V-shape characteristics. [2] INPUT Current A: 4 – 20 mA DC (Input resistance 250 Ω) Voltage 4: 0 – 10 V DC (Input resistance 200 kΩ min.) I/O code combination avaliable AAA or 444 suffix codes only. [3] OUTPUT 1 Current A: 4 – 20 mA DC (Load resistance 600 Ω max.) Voltage 4: 0 – 10 V DC (Load resistance 10 kΩ min.) [4] OUTPUT 2 Current A: 4 – 20 mA DC (Load resistance 600 Ω max.) Voltage 4: 0 – 10 V DC (Load resistance 10 kΩ min.) [5] POWER INPUT 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 [6] 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: Plug-in Connection: M3.5 screw terminals Screw terminal: Chromated steel (standard) or stainless steel Housing material: Flame-resistant resin (black) Isolation: Input or output 1 or output 2 to power Input range: 0 – 23.2 mA DC or -1 – +12 V DC Output range: 0 – 23.2 mA DC or -1 – +12 V DC Output characteristics
  • V-shape: two signals vary in opposite directions; used when both final control devices have the same action (direct -direct or reverse-reverse).
  • Parallel: two signals vary in the same direction; used when one final control device is direct and another is reverse. Monitor jacks: Direct monitoring of output signal; accessible at front

MODEL: MFS MFS SPECIFICATIONS ES-1379 Rev.13 Page 2/5 http://www.m-system.co.jp/

  • Ammeter requirement: Input resistance 10 Ω max. (for current output) Monitor jack diameter: 2 mm (.08") INPUT SPECIFICATIONS ■ DC Current: Input resistor incorporated INSTALLATION Power input
  • AC: Operational voltage range: rating ±10 %, 50/60 ±2 Hz, approx. 3 VA
  • DC: Operational range: 24 V ±10 %, approx. 80 mA (ripple 10 %p-p max.) Operating temperature: -5 to +60°C (23 to 140°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 400 g (0.88 lb) PERFORMANCE in percentage of span Accuracy: ±0.3 % (gain = 1 or -1) Temp. coefficient: ±0.02 %/°C (±0.01 %/°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: 2000 V AC @ 1 minute (input or output 1 or output 2 to power to ground) EXTERNAL VIEW ■ FRONT VIEW (current output; with cover open) ■ FRONT VIEW (voltage output; with cover open) Setpoint 1 Adj. (R1) Setpoint 1 Monitor (+) Setpoint 1 Monitor (–) Setpoint 2 Monitor (–) Setpoint 2 Monitor (+) Setpoint 2 Adj. (R2) Front Cover (open) Front Cover (open) * When monitor terminal is in use, connect a load to the output terminal or short across the output terminal. Setpoint 1 Adj. (R1) Setpoint 1 Monitor (+) Setpoint 2 Adj. (R2) Setpoint 2 Monitor (+) Common (–)

MODEL: MFS MFS SPECIFICATIONS ES-1379 Rev.13 Page 3/5 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 5678 2111 10 80 (3.15) 80 (3.15) (.79) 40 (1 .57) 50 (1 .97) 7 .8 (.31) CLAMP (top & bottom) DIN RAIL 35mm wide2–4.5 (.18) dia. MTG HOLE 25 (.98) deep 11 –M3.5 SCREW

  • When mounting, no extra space is needed between units. SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM COM ■ CURRENT OUTPUT ■ VOLTAGE OUTPUT U(+) V(–) U(+) V(–) POWER POWER Base Socket Base Socket INPUT INPUT OUTPUT 1 OUTPUT 1 OUTPUT 2 OUTPUT 2 250 /g58 Output 1 Adj. Output 1 Adj. Output 2 Adj. Output 2 Adj. OUT.1 MONITOR OUT.1 MONITOR OUT.2 MONITOR OUT.2 MONITOR Output Driver Output Driver Output Driver Output Driver

MODEL: MFS MFS SPECIFICATIONS ES-1379 Rev.13 Page 4/5 http://www.m-system.co.jp/ OPERATION DIAGRAM OUTPUT (%) 100 0 62.5 10037.5 INPUT (%) A B Limit of Input Range Adjustment (0 – 62.5%) for 0% Output 1 (Direct Acting) Limit of Input Range Adjustment (37.5 – 100%) for 0% Output 2 (Direct Acting) SOLID LINE : example of I/O characteristics BROKEN LINE : limit of adjustable range POINT A : input set for 0% Output 1 LINE A - A’ : I/O characteristics for Output 1 POINT B : input set for 100% Output 2 LINE B - B’ : I/O characteristics for Output 2 CAUTION Output is not forcibly limited within 0 to 100%. OUTPUT (%) 100 0 62.5 10037.5 INPUT (%) A B Limit of Input Range Adjustment (0 – 62.5%) for 0% Output 1 (Direct Acting) Limit of Input Range Adjustment (37.5 – 100%) for 0% Output 2 (Reverse Acting) SOLID LINE : example of I/O characteristics BROKEN LINE : limit of adjustable range POINT A : input set for 0% Output 1 LINE A - A’ : I/O characteristics for Output 1 POINT B : input set for 0% Output 2 LINE B - B’ : I/O characteristics for Output 2 CAUTION Output is not forcibly limited within 0 to 100%. ■ V-SHAPE CHARACTERISTICS (model: MFS-V)

  • Input Range Adjustment 1. For current output, connect an ammeter to output 1 monitor terminals. Current signal is measured at both ends of a diode inserted in series to the output 1 driver. Input resistance of the ammeter must be 10Ω at the maximum to ensure accurate measurement. For voltage output, connect a voltmeter across the common and output 1 monitor (+) terminals. 2. Apply an input signal desired for 0% output. (within 0 – 62.5%) 3. Turn output 1 adjustment until 0% output is monitored. 4. Adjust output 2 the same way as output 1. Allowable input range for 0% output is 37.5 – 100%. Input signals for 100% output are fixed to 100% for output 1, 0% for output 2. ■ PARALLEL CHARACTERISTICS (model: MFS-P)
  • Input Range Adjustment 1. For current output, connect an ammeter to output 1 monitor terminals. Current signal is measured at both ends of a diode inserted in series to output 1 driver. Input resistance of the ammeter must be 10Ω at the maximum to ensure accurate measurement. For voltage output, connect a voltmeter across the common and output 1 monitor (+) terminals. 2. Apply an input signal desired for 0% output. (within 0 – 62.5%) 3. Turn output 1 adjustment until 0% output is monitored. Proceed to output 2 adjustment. 4. Connect an ammeter or voltmeter to output 2 monitor terminal. 5. Apply input signal required for 100% output. (within 37.5 – 100%) 6. Turn output 2 adjustment until 100% output is monitored. For output 1, input signal for 100% output is fixed to 100%, while for output 2, input signal for 0% output is fixed to 0%.

MODEL: MFS MFS SPECIFICATIONS ES-1379 Rev.13 Page 5/5 http://www.m-system.co.jp/ MFS TC WATER TANK DRAINAGE M M MFS VALVE-OPENING MFS INPUT V2 V1 FC LARGE CAPACITY VALVE SMALL CAPACITY VALVE MFS VALVE-OPENING MFS INPUT TC WATER TANK HOT WATER SUPPLY COLD WATER SUPPLY DRAINAGE V2 V1 ■ V-SHAPE CHARACTERISTICS (model: MFS-V)

  • When the relation between control signal and valve-opening for one valve has the opposite charateristic to the other’s: ■ PARALLEL CHARACTERISTICS (model: MFS-P)
  • When the relation between control signal and valve-opening for both valves has the same characteristic:
  • To control wide flow range with two valves of different capacities: VALVE-OPENING MFS INPUT V2 V1 Specifications are subject to change without notice.