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Action PAK® AP7500 & AP7501 DC to Frequency Converters

Provides a Field Selectable Frequency Output in Proportion to a DC Input.


Features:
  • Switch Selectable Output Range
  • Adjustable Low End Cutout (0-10%)
  • Totalization/Integration Applications
  • Plug-In Installation
  • Square Wave (AP7500) or Relay Contact (AP7501) Output
    Selectable 120/240VAC Input Power

AP7500-5012 (0-20mA in; square wave output)
AP7500-5016 (4-20mA in; square wave output)
AP7500-5065 (0-1Vdc in; square wave output)
AP7500-5068 (0-5Vdc in; square wave output)
AP7500-5070 (0-10Vdc in; square wave output)
AP7500-5085 (1-5Vdc in; square wave output)
AP7501-6007 (0-1mA in; relay contact output)
AP7501-6012 (0-20mA in; relay contact output)
AP7501-6016 (4-20mA in; relay contact output)
AP7501-6065 (0-1Vdc in; relay contact output)
AP7501-6068 (0-5Vdc in; relay contact output)
AP7501-6070 (0-10Vdc in; relay contact output)
AP7501-6085 (1-5Vdc in; relay contact output)

Description
The AP7500 and AP7501 are useful in totalizing applications, where the total number of pulses counted in a given time period represents the time integral of the DC input. If, for example, the input represents a flow in gallons per hour, then the time integral of this flow signal (total count) will represent total gallons (see Figure 1). The AP7500’s 6V square wave output can be used to drive electronic counters (DTL, TTL, CMOS). The AP7501 can be used to drive electromechanical counters when connected to an external AC or DC power source. In the AP7501, the DPDT relay contacts are pulsed (closed) for only a short duration (100 milliseconds) for compatibility with standard electromechanical counters. The AP7500 can also be used in telemetry systems, where the dc signal is converted to a frequency, transmitted over long lines, and then decoded at the receiving end by means of a frequency to DC converter, such as the AP7380.

Applications
The AP7500 and AP7501 are useful in totalizing applications, where the total number of pulses counted in a given time period represents the time integral of the DC input. If, for example, the input represents a flow in gallons per hour, then the time integral of this flow signal (total count) will represent total gallons. The AP7500's 6V square wave output can be used to drive electronic counters (DTL, TTL, CMOS). The AP7501 can be used to drive electromechanical counters when connected to an external AC or DC power source. In the AP7501, the DPDT relay contacts are pulsed (closed) for only a short duration (100 milliseconds) for compatibility with standard electromechanical counters. The AP7500 can also be used in telemetry systems, where the dc signal is converted to a frequency, transmitted over long lines, and then decoded at the receiving end by means of a frequency to DC converter, such as the AP7380.

Click here for the complete information in .pdf format

 

 
 
CTH Controls Inc.   CTH Controls Inc.
6-1500 Upper Middle Rd. W. Suite 220
Oakville, ON, Canada, L6M 0C2
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
sales@cthcontrols.com
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