Drive User Guide
23
8. Synchronization Mode
Drive provides two types of operational modes: Free-run mode and DC mode. Master station may
select the operational mode through set up 0x098 of ESC register. For example:
-
Free-run mode: Set up the register 0x0980 to 0x0000.
-
DC mode: Set up the register 0x0980 to 0x0300.
DC mode is one of the synchronization mode which is completed through the mechanism of
distribute clock. Drive uses the reference clock to generate the internal SYNCO event to complete the
synchronization function. The figure below is the schematic diagram of synchronization by using the DC
reference clock. The cycle time can be supported by the drive are: 250us
、
500us
、
1ms
、
2ms
、
4ms.
Free-run mode goes through the register 0x0220 AL Events of ESC to complete the synchronization
function. The flags generated by the data transmitting event of its Bit 10 and Bit 11, drive will detect the
triggers of these two bits to transmit PDO data.
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