17RK MSYSTEM | Alldatasheet
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Technical content
MODEL: 17RK http://www.m-system.co.jp/ 17RK SPECIFICATIONS ES-2915 Rev.0 Page 1/2 Rack-mounted Power Transducers 17-RACK RTD CONVERTER (fast response) Functions & Features
- Accepting direct input from an RTD and providing a standard process signal
- Linearization
- Burnout protection
- "Active bridge" circuit containing two constant current sources allows leadwire resistances up to 20 Ω Typical Applications
- Converting into a standard signal
- Combination with intrinsic safety barriers MODEL: 17RK–[1]6–R[2]
ORDERING INFORMATION
- Code number: 17RK-[1]6-R[2] Specify a code from below for each [1] and [2]. (e.g. 17RK-16-R/BL)
- Temperature range (e.g. 0 – 100°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 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 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: Connector Power input: Supplied from connector Screw terminal: Nickel-plated steel Isolation: Input to output to power Zero adjustment: -5 to +5 % (front) Span adjustment: 95 to 105 % (front) Linearization: Standard INPUT SPECIFICATIONS Maximum leadwire resistance: 20 Ω per wire (3-wire) Sensing current: 2 mA INSTALLATION Current consumption: Approx. 35 mA Operating temperature: -5 to +55°C (23 to 131°F) Operating humidity: 40 to 85 % RH (non-condensing) Mounting: Standard Rack 17BXE Weight: 150 g (0.33 lb) PERFORMANCE in percentage of span Accuracy: ±0.3 % Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) Response time: Approx. 25 msec. (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 or power)
500 V AC @ 1 minute (outut to power)
MODEL: 17RK http://www.m-system.co.jp/ 17RK SPECIFICATIONS ES-2915 Rev.0 Page 2/2
1500 V AC @ 1 minute (input or output or power to ground)
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 Reference Resistor SZA B B RTD Constant Current Voltage/ Duty CycleLinearizer Burnout Protection OUTPUT Output Driver POWER Differential Amplifier Isolation CONNECTOR Specifications are subject to change without notice.