18JF MSYSTEM | Alldatasheet

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MODEL: 18JF 18JF SPECIFICATIONS ES-1880 Rev.11 Page 1/3 http://www.m-system.co.jp/ Rack-mounted DCS Signal Conditioners 18-RACK 2-input MATH FUNCTION MODULE (field-programmable) Functions & Features

  • Providing temperature or pressure compensation for a gas flow, and other arithmetic operations
  • Microprocessor based
  • Equation and parameters selectable on site via hand-held programmer PU-2x
  • Loop testing
  • Second channel output available at the front terminals and at the Standard Rack connector Typical Applications
  • Various flowmeters
  • Adding two flows
  • Ratio calculation
  • Calculating average temperature MODEL: 18JF–[1]66–R[2]

ORDERING INFORMATION

  • Code number: 18JF-[1]66-R[2] Specify a code from below for each of [1] and [2]. (e.g. 18JF-666-R/3) Use Ordering Information Sheet (No. ESU-1980). Default setting will be used if not otherwise specified. [1] INPUT Current A: 4 – 20 mA DC (Input resistance 100 Ω) Voltage 6: 1 – 5 V DC (Input resistance 1 MΩ min.) OUTPUT 1 Voltage 6: 1 – 5 V DC (Load resistance 2000 Ω min.) OUTPUT 2 Voltage 6: 1 – 5 V DC (Load resistance 2000 Ω min.) POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) [2] OPTIONS Equation (Refer to the EQUATION table) /1: Temperature compensation for DP flowmeter (ideal gas) /2: Pressure compensation for DP flowmeter (ideal gas) /3: Addition/subtraction /4: Multiplication /5: Division EQUATION Equation parameters X0: output (%) X1 to X2: input (%) K0 to K2: gain ±29.999 A0 to A2: bias (%) ±299.99 % EQUATION /1: Temperature compensation for DP fl owmeter (ideal gas) K1X1 X0 = K2X2+A 2 where X 0 : compensated fl ow (linear characteristic) X1 : uncompensated fl ow (square root extraction available) X2 : temperature /2: Pressure compensation for DP fl owmeter (ideal gas) X0 = K1X1 K2X2+A 2 where X 0 : compensated fl ow (linear characteristic) X1 : uncompensated fl ow (square root extraction available) X2 : pressure /3: Addition/subtraction /4: Multiplication X0 = K0 (K1X1+A 1) (K2X2+A 2) + A 0 /5:Division K0 (K1X1+A 1) X0 = + A 0 (K2X2+A 2)

RELATED PRODUCTS

  • Programming Unit (model: PU-2x)
  • PC configurator software (model: JXCON) Downloadable at M-System’s web site. A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

MODEL: 18JF 18JF SPECIFICATIONS ES-1880 Rev.11 Page 2/3 http://www.m-system.co.jp/ 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) Output 1: Connector Output 2: M3.5 screw terminals (torque 0.8 N·m) and connector Power input: Supplied from connector Screw terminal: Nickel-plated steel Isolation: Input to output 1 to output 2 to power (non- isolated between inputs) Overrange input: Approx. -25 to +125 % Overrange output: Approx. -10 to +120 % Adjustments: Programming Unit (model: PU-2x); equation and parameters, square root extraction, zero and span, etc. (Refer to the users manual of JXCON for the adjustments configurable with JXCON.) INPUT SPECIFICATIONS ■ DC Current: Input resistor incorporated INSTALLATION Current consumption: Approx. 60 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: Input accuracy + output accuracy Input accuracy: ±0.2 % (gain ≤ 1) [±0.2 % × gain] with gain > 1 Output accuracy: ±0.2 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Response time: ≤ 1.2 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 (input to output 1 or output 2 or power)

500 V AC @ 1 minute

(output 1 to output 2 to power)

1500 V AC @ 1 minute

(input or output or power to ground)

MODEL: 18JF 18JF SPECIFICATIONS ES-1880 Rev.11 Page 3/3 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 1

1 Multiplexer Output

*Input shunt resistor incorporated for current input. Specifications are subject to change without notice.