[etherlab-users] How slow can a DC cycle time be?

Hi all, Usually, DC will need a cycle time at 1ms or lower, but we don't need a cycle time that fast, we only need 20Hz ~ 50Hz, is that possible for DC? For what I test on my driver (LAN9252), if the cycle time drop below 200Hz, it will unable to make the driver bring up from PREOP to OP, althoug

Re: [etherlab-users] How to verify that my distributed clock setup correctly?

Hi Gavin, Thanks for your reply, I'm using CPC TC-1, which is using LAN9252 slave controller, with 64-bit DC capable (Distributed clocks: yes, 64 bit), IgH 1.5.2 w/ all unofficial patches, and using option 2 you mention (ecrt_master_reference_clock_time, Beckoff refer as Master mode, rtdm example

Re: [etherlab-users] How slow can a DC cycle time be?

That's really up to the specific slave, so you'll have to check its documentation. EtherCAT as a network transport has no particular limitation, other than it can't be slower than 1 Hz or you'll cause problems with 32-bit DC ambiguity. Having said that, a 1ms cycle is considered "typical" and