18PP MSYSTEM | Alldatasheet

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MODEL: 18PP 18PP SPECIFICATIONS ES-1861 Rev.7 Page 1/3 http://www.m-system.co.jp/ Rack-mounted DCS Signal Conditioners 18-RACK PULSE ISOLATOR Functions & Features

  • Galvanically isolating pulse rate signals
  • Input frequency = output frequency
  • Second channel output available at the front terminals and at the Standard Rack connector
  • Excitation Typical Applications
  • Isolating field pulse signals in order to reduce noises MODEL: 18PP–[1]22–R

ORDERING INFORMATION

  • Code number: 18PP-[1]22-R Specify a code from below for [1]. (e.g. 18PP-322-R)
  • Frequency range (e.g. 0 – 1000 Hz) [1] INPUT 1: Mechanical contact (max. 5 Hz) 2: Open collector (max. 10 kHz) 3: Voltage pulse (max. 10 kHz) 4: Two-wire current pulse, receiving resistor 200 Ω (max. 10 kHz) 5: Two-wire current pulse, receiving resistor 510 Ω (max. 10 kHz) 6: Two-wire current pulse, receiving resistor 1 kΩ (max. 10 kHz) OUTPUT 1 2: Open collector (max. 10 kHz) OUTPUT 2 2: Open collector (max. 10 kHz) (Output 1 and 2 frequency is equal) POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) 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 Frequency range: Input and output are the same. Chattering protection: Filter provided for mechanical contact input

MODEL: 18PP 18PP SPECIFICATIONS ES-1861 Rev.7 Page 2/3 http://www.m-system.co.jp/ INPUT SPECIFICATIONS Excitation: 12 V DC ±10 % @ 40 mA; shortcircuit protection ■ Open Collector Input pulse sensing: DC coupled Pulse width time requirement: ≥ 20 μsec. for ON and OFF Sensing: Approx. 12 V DC @ 3 mA ON/OFF level: ≤ 200 Ω / 5 V for ON, ≥ 100 kΩ / 7 V for OFF ■ Mechanical Contact Input pulse sensing: DC coupled Pulse width time requirement: ≥ 20 msec. for ON and OFF Sensing: Approx. 12 V DC @ 3 mA ON/OFF level: ≤ 200 Ω / 5 V for ON, ≥ 100 kΩ / 7 V for OFF Time constant: 10 msec. (able to cancel it by changing jumper, J6) ■ Voltage Pulse: Square or sine waveform Input pulse sensing: AC coupled Input impedance: ≥ 10 kΩ (Refer the graph and tables below for waveform, detection level range, the minimum amplitude, pulse width (duty ratio) and frequency requirements) Square Waveform Pulse width is the smaller of T H or T L. Duty ratio = frequency × T H × 100 (%) Sine or similar waveform The input frequency range is 10 Hz to 10 kHz. 1 – 50Vp-p TH TL 0V 1 – 50Vp-p Detection level range: -50 to +50 V; max. 50 Vp-p Waveform requirements Square Waveform FREQUENCY RANGE AMPLITUDE PULSE WIDTH & DUTY RATIO 0 to 10 kHz 1 to 3Vp-p Duty 50 ±10% 0 to 10 kHz Min. 3Vp-p Min. 60 µsec. * *When the frequency is 6 kHz or more, the pulse width is 30 µsec. or more. Sine or similar waveform FREQUENCY RANGE AMPLITUDE PULSE WIDTH & DUTY RATIO

50 Hz to 10 kHz 1 to 3Vp-p -

10 Hz to 10 kHz Min. 3Vp-p - ■ Two-wire Current Pulse Input pulse sensing: AC coupled Refer to the table above for the minimum amplitude, pulse width (duty ratio) and frequency requirements. Convert the current to the voltage for the amplitude. OUTPUT SPECIFICATIONS Open collector Rating: 30 V DC @ 100 mA (resistive load) Maximum frequency: 10 kHz Saturation voltage: 0.5 V DC INSTALLATION Current consumption: Approx. 80 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 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: 18PP 18PP SPECIFICATIONS ES-1861 Rev.7 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 Output Driver OUTPUT 2 Output Driver CONNECTOR OUTPUT 2 OUTPUT 1 POWER Weveform Shaper 12V Supply INPUT SENSOR EXCITATION * *4kΩ attached for mechanical contact and open collector input. 200Ω, 510Ω or 1kΩ attached for two-wire current pulse input (jumper selectable). Specifications are subject to change without notice.