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Action ULTRA SLIMPAK® G478-0001 Frequency Input, Field Configurable Isolator

Provides an Isolated DC Output in Proportion to a Frequency Input.

  • Field Configurable Input Ranges from 2Hz to 10,000Hz
  • Eliminates Ground Loops
  • Field Configurable Output Ranges: 0-5V, 0-10V, 0-1mA, 0-20mA, 4-20mA
  • Ultra Slim Housing for High Density Installations
  • 50mV to 150V Input Amplitude Level
  • Touch-Cal™ for Simplified Ranging
  • Flexible Power Supply Accepts 9 to 30 VDC
  • ASIC Technology for Enhanced Reliability
  • RoHS Compliant


The G478 is a DIN rail mount, frequency input signal conditioner with 1800VDC isolation between input, output and power. The field configurable input and output offer flexible, wide ranging capability for variable frequency drives, magnetic pick-ups, turbine flow meters, and other pulse or frequency output transducers.

The input of the G478 can be configured for any frequency span from 2Hz to 10,000Hz. The input amplitude threshold sensitivity can be adjusted from 150mVp to 10Vp to ensure accurate frequency measurement and minimize transient noise related errors. The maximum input amplitude is 150 Vrms. The output can be set for 0-5V, 0-10V, 0-1mA, 0-20mA or 4-20mA.

The G478 to be field configured for virtually any frequency input to DC signal output within the ranges specified. Calibration utilizes 'Touch-Cal' technology in which the user simply applies the minimum and maximum input frequencies, and touches a re- cessed button to configure the corresponding minimum and maximum output range.

The Ultra SlimPak housing allows installation of up to 24 units per linear foot. The wide ranging power supply is inverter isolated and accepts any voltage between 9 and 30VDC.

The G478 is useful in eliminating ground loops and interfacing pulse output transducers, such as turbine flow meters and mag- netic pick-ups, to data acquisition and control systems.

Advanced digital technology, combined with Action's ASIC technol- ogy, provide a stable output at low frequencies for higher accuracy.

Click here for the complete information in .pdf format


CTH Controls Inc.   CTH Controls Inc.
5100 South Service Road, Unit 2
Burlington, ON. L7L 6A5 Canada
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
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