Due to EtherCAT limitation, up to 4 counters per SIRIUSe device can be used at the same time.


Four counters can be used at the maximum sample rate of 10 kHz


Only two counters can be used at 20 kHz sample rate. 


In both cases it is not recommendable to use multiple SIRIUSe slices with counter on the same EtherCAT chain.