18JR MSYSTEM | Alldatasheet

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Technical content

MODEL: 18JR 18JR SPECIFICATIONS ES-1864 Rev.9 Page 1/3 http://www.m-system.co.jp/ Rack-mounted DCS Signal Conditioners 18-RACK RTD CONVERTER (field-programmable) Functions & Features

  • Accepting direct input from an RTD and providing two standard process signals
  • Micro-processor based
  • Field-programmable temperature range
  • Linearization
  • Burnout protection
  • Loop testing via hand-held programmer PU-2x
  • Second channel output available at the front terminals and at the Standard Rack connector Typical Applications
  • Ideal for quick spare part MODEL: 18JR–[1]66–R[2]

ORDERING INFORMATION

  • Code number: 18JR-[1]66-R[2] Specify a code from below for each of [1] and [2]. (e.g. 18JR-166-R/BL)
  • Temperature range (e.g. 0 – 500°C) [1] INPUT RTD (2- or 3-wire) 1: JPt 100 (JIS'89) (Usable range: -200 to +500°C, -328 to +932°F; min.span: 30°C, 54°F) 3: Pt 100 (JIS'89) (Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F) 4: Pt 100 (JIS'97, IEC) (Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F) 5: Pt 50 Ω (JIS'81) (Usable range: -200 to +500°C, -328 to +932°F; min.span: 60°C, 108°F) 6: Ni 508.4 Ω (Usable range: -50 to +200°C, -58 to +392°F; min.span: 20°C, 36°F) 0: Specify Note: Consult M-System for 2-wire RTD 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 Burnout blank: Upscale burnout /BL: Downscale burnout

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. 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 Overrange output: Approx. -10 to +120 % at 1 – 5 V Linearization: Standard Adjustments: Programming Unit (model: PU-2x); RTD type (between Pt 100 and JPt 100 only), temp. range, zero and span, simulating output, etc. (Refer to the users manual of JXCON for the adjustments configurable with JXCON.)

MODEL: 18JR 18JR SPECIFICATIONS ES-1864 Rev.9 Page 2/3 http://www.m-system.co.jp/ INPUT SPECIFICATIONS Maximum leadwire resistance: 20 Ω per wire (3-wire) Sensing current: 2 mA If not specified, the input range is shown below. 1: JPt 100 (JIS '89) 0 – 100°C 3: Pt 100 (JIS '89) 0 – 100°C 4: Pt 100 (JIS '97, IEC) 0 – 100°C 5: Pt 50 Ω (JIS '81) 0 – 200°C 6: Ni 508.4 Ω 0 – 100°C 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: ±0.1 % or ±0.1°C (±0.18°F), whichever is greater Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Response time: ≤ 0.5 sec. (0 – 90 %) Burnout response: ≤ 10 sec. 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) 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

MODEL: 18JR 18JR SPECIFICATIONS ES-1864 Rev.9 Page 3/3 http://www.m-system.co.jp/ TERMINAL ASSIGNMENTS 1 2 3 4 7 8 5 6 SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Isolation Output Driver OUTPUT 2 SZ Output Driver CONNECTOR OUTPUT 2 OUTPUT 1 POWER Low Drift Amplifier Digital Computation SERIAL TRANSMISSION LINE Burnout Constant Current A B B RTD Reference Resistor PU-2x MODULAR JACK Specifications are subject to change without notice.