200
ifm
System Manual
ecomat
mobile
SmartController (CR2500) V05
More functions in the ecomatmobile controller
Counter functions for frequency and period measurement
10
More functions in the ecomatmobile
controller
Counter functions for frequency and period measurement .................................................... 200
Software reset......................................................................................................................... 215
Saving, reading and converting data in the memory .............................................................. 216
Data access and data check .................................................................................................. 223
Processing interrupts .............................................................................................................. 232
Use of the serial interface....................................................................................................... 239
Reading the system time ........................................................................................................ 246
Processing analogue input values.......................................................................................... 248
Adapting analogue values ...................................................................................................... 253
In this chapter you will find more functions that you can use in the
ecomat
mobile
controller.
10.1
Counter functions for frequency and period
measurement
Depending on the controller up to 16 fast inputs are supported which can process input frequencies of
up to 30 kHz. Further to the pure frequency measurement at the inputs FRQ, the inputs ENC can be
also used to evaluate incremental encoders (counter function) with a maximum frequency of 10 kHz.
The inputs CYL are used for period measurement of slow signals.
Input
Frequency [kHz] Description
FRQ 0 / ENC 0
30 / 10
frequency measurement / encoder 1, channel A
FRQ 1 / ENC 0
30 / 10
frequency measurement / encoder 1, channel B
FRQ 2 / ENC 1
30 / 10
frequency measurement / encoder 2, channel A
FRQ 3 / ENC 1
30 / 10
frequency measurement / encoder 2, channel B
CYL 0 / ENC 2
10
period measurement / encoder 3, channel A
CYL 1 / ENC 2
10
period measurement / encoder 3, channel B
CYL 2 / ENC 3
10
period measurement / encoder 4, channel A
CYL 3 / ENC 3
10
period measurement / encoder 4, channel B
The following functions are available for easy evaluation:
