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EC-34 Two Quadrature Encoder to Analog Converter0 pages
EC-34
• Converts any incremental encoder into an
analog position sensor
• 16 bits analog resolution
• 0 to 4.095V or 0 to 10V unipolar output voltage
operation
• 4.095 or 10V bipolar output voltage operation
• Reset can be configured to zero or mid-range
voltage
• Simple DIP switch and defined programming
Rack mounting are available
The EC-34 converts the A and B quadrature output of an incremental encoder into a voltage that
is proportional to the encoder position. The output from the encoder causes an internal 12-bit
counter to count up or down. The output of the counter is fed into a 16-bit DAC that converts the
16-bit position count value to an analog voltage.
Eight DIP switches are provided to select various options. The user can choose unipolar output
mode with 0 to 4.095V or 0 to 10V output, bipolar output mode with ± 4.095V or ± 10V output,
1X or 4X counting, reset on index, reverse rotation, midrange reset and range limit counting. Full
scale output in 10V mode is actually 9.962V.
The EC-34 has an internal counter that may be reset in one of three ways: by pressing the
reset button, power cycling the unit or enabling the reset on encoder index. The reset may be
configured to either mid-range or zero volts.
The EC-34 also provides with a TTL logic level output bit, which changes state to indicate
direction of a rotary encoder shaft rotation or travel direction of linear encoder.
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