JVL Industri Elektronik A/S - User Manual - Ethernet for MAC and MIS motors 125
5.4 Ethernet POWERLINK objects
5.4.2 Minimum cycle time
The minimum cycle time is the minimum amount of time between each cyclic request
(PDO) on the Ethernet.
If operating with values lower than those listed, data loss will occur.
* The minimum cycle times, is only valid if not sending any SDO requests while in any
operating mode. MODULE registers can be appended as the last registers in the list,
at no extra timing cost. If motor register 35 is not in the list it will be added internally
anyway, and has to be added to the minimum cycle time with 2.0ms if MAC050-
MAC141, and with 30μs if MAC400-MAC4500 or MIS/MILxxxxxELxxxx.
No. of motor registers
transmitted in each
direction
Motor series
MAC050 to
MAC141
Motor series
MAC400 to
MAC4500
Motor series
MIS/MILxxx
1/1 4mS * 360µS * 360µS *
2/2 8mS * 395µS * 395µS *
3/3 12mS * 430µS * 430µS *
4/4 16mS * 465µS * 465µS *
5/5 20mS * 500µS * 500µS *
6/6 24mS * 535µS * 535µS *
7/7 28mS * 570µS * 570µS *
8/8 32mS * 605µS * 605µS *
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