en:lib:mdl:mdl-h-cecount-010

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The values given in the table refer to input signals A, B and Z.
The max. frequency given in the table refers to A and B phase signals with a DutyCycle = 50%
With count frequencies over 50KHz the use of Line-Driver type encoders is recommended.

Push-Pull

Type of polarisation PNP/PP
Max frequency 200KHz
Min. acquisition time 5µs
Insulation 1000Vrms
Rated operating voltage 24Vdc
Voltage of logic status 0 0 - 2 V
Voltage of logic status 1 10.5 - 26.5 V
Internal voltage drop 1.2V
Input resistance 3100Ω

Line-Driver

Type of polarisation Line-Driver
Max. frequency 200KHz
Min. acquisition time 5µs
Insulation 1000Vrms
Rated operating voltage (PHx+ ? PHx-) 5Vdc
Voltage of logic status 0 (PHx+ ? PHx-) 0-1.5 V
Voltage of logic status 1 (PHx+ ? PHx-) 2-5 V
Internal voltage drop 1.2V
Input restistance 150Ω

Internal diagram of count inputs.

  • Last modified: 2024/01/31 08:32