Frequency / Pulse Input Transmitter TT339

The TT339 model is a four wire transmitter that isolates and converts a frequency or pulse input to a proportional control signal. DC current and voltage output are both supported on a single model.

An optional DIN rail bus can deliver primary or redundant power to multiple units without wiring.

The Acromag TT339 is a Frequency / Pulse Input Transmitter.

Firstly, this 4-Wire transmitter accepts multi range 0Hz to 100KHz Inputs. It them provides universal current/voltage output using 12-32V DC Local/Bus Power Source.

Secondly, High-voltage isolation separates the input from the output circuit. Isolation protects from surges, reduces noise, and eliminates ground loop errors. Setup and calibration are fast and easy. With a convenient USB connection to your PC and Acromag’s Windows configuration software. Acromag recommend using a USB Isolator for calibrating this transmitter.

Finally, with advanced signal processing capabilities, variable range input, and convenient USB programming make this instrument a very versatile frequency measurement device. These transmitters can withstand harsh industrial environments and operate reliably across a wide temperature range with very low drift. They feature RFI, EMI, ESD, EFT, and surge protection plus low radiated emissions.

Features of the Frequency / Pulse Input Transmitter TT339 includes:

  • Easy setup and digital calibration via USB with Windows configuration software
  • Interfaces many input types up to 100KHz
  • Accepts input amplitudes up to 120Vrms (±170V DC, unipolar or bipolar)
  • Adjustable 0Hz cut-off, sample averaging, and output update time
  • Universal output connections support ranges up to ±21mA or ±10.5V DC without rewiring
  • Supports normal or reverse-acting output
  • Fast response time and high accuracy
  • Space-saving 17.5mm unit with pluggable terminals for convenient wiring
  • Redundant power ready (rail/local)
  • 1500V isolation, 3-way (power, input, output)
  • Shock (50g) and vibration (5g) resistant
  • Mounts on Type T DIN-rail
  • Wide ambient operation (-40 to 80°C)
  • CE compliant. UL/cUL Class I Div 2, ATEX / IECEx Zone 2 approvals

 

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