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Model ACFM Analog to Frequency Converter Module

Brand: Red Lion Controls

The configurable Analog to frequency converter is used to convert Analog standard signals to frequency signals or pulse width modulated (PWM) signals. 

Input signal ranges are 0-20 mA, 4-20 mA, 0-10 mA, 2-10 mA, 0-10 V, 2-10 V, 0-5 V, or 1-5 V. 

The DIP switches are accessible on the side of the housing and allow the following parameters to be configured: Input signal, Output values, Output type (frequency or PWM), Filter type (for smoothing interferences on the input signal), Input over/under range fault detection.
Features
  • Voltage/current to frequency converter
  • 3-way isolation of input/output signals
  • Universal conversion module - inputs and outputs selected via DIP switch settings
  • Ultra slim design only 0.244" wide
  • 19-30 Vdc power

Specifications

Approvals & Certifications

  • EN 61000-4-2, 61000-6-2, 61000-4-3, 61000-4-4, 61000-4-5, 61000-4-6, 55011

Approvals & Certifications

  • CE
  • EMC 2014/30/EU
  • UL (C,US)

Consumption

  • < 10 mA
  • < 200 mW

Current

  • Maximum

Electrical Connectors

  • 24 to 12 AWG

Enclosure, Body Material

  • Polybutylenterephthalate PBT, Black

Indication

  • Fault Detection: Red LED Under Clear Cover Top

Input

  • 0-10 V
  • 0-20 mA
  • 100 mA
  • 30 Vdc

Input Impedance

  • 110 kiloohms
  • 50 ohms

Length

  • Length: 0.47” (12 mm)

Load

  • Minimum Load for Frequency: 6 kiloohms
  • Minimum Load for PWM: 2 kiloohms

Measuring Error

  • Transmission Error: < 0.1 % of Full Scale

Mounting

  • Rail Mounting Accroding to EN 50022

Operating Temperature

  • -20° to 65° C (-4° to 149° F)

Output

  • 0 to 10 kHz
  • PWM: 1.9 to 7.8 kHz
  • PWM: 61 to 977 Hz

Response Time

  • < 15 milliseconds

Storage Temperature

  • -40° to 85° C (-40° to 185° F)

Supply Voltage

  • 19.2-30 Vdc

Temperature Coefficient

  • < 0.02 %/K

Voltage

  • 24 Vdc Nominal
  • Switching Voltage: 30 V, Max.
  • Test Voltage (Input/Output/Supply): 1.5 kV, 50 Hz, 1 Minute
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