1x Counter 5 V (RS422), 4 MHz, 32 Bit

1x Counter 5 V (RS422), 4 MHz, 32 Bit

Counters are used to detect pulses that are faster than a controller?s cycles, i.e., signals that the controller will be unable to detect properly and that therefore need to be pre-processed.

The counter module detects the edges of 24 V signals as pulses. The impulses can be counted or converted into a frequency, rotational speed, or period.?The counter module features an additional 24 V input and a 24 V output for a direct response to start pulses and to quick system state changes.


  • Pulse & direction
  • Rotary encoder with double evaluation
  • Rotary encoder with quadruple evaluation

Counting methods

  • Continuous counting
  • Once-only counting
  • Periodic counting

Measuring mode

  • Frequency measurement
  • Rotational speed measurement
  • Period measurement


  • Off
  • Only-once
  • Periodic
  • 32-bit counter
  • Up to 4 MHz (4-fold evaluation)
  • Accommodates 5 V incremental encoders (RS-422)
  • Index input
  • 5 V supply for sensors
  • Filters: 50 kHz | 100 kHz | 500 kHz | 1 MHz
  • Limits for counter and measured readings
  • Refresh rate / averaging time for measuring mode
Input voltage24 V
Electrical isolation
from the backplane busYes
Between the channelsNo
Current draw
ExternalMax. 50mA
InternalMax. 86 mA
Sensor supply5V ±10 %, 190 mA
Power dissipation1 W
Parameter configuration length15 bytes
Number of counters1
Counter bit depth32 bits
Input frequencymax. 1 MHz
Counting frequency per channelMax. 4 MHz (for X4 evaluation)
Hot-swap capableYes



1x Counter 5 V (RS422), 4 MHz, 32 Bit600-310-7AA01
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