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ASDA-A3

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EtherCAT Mode

13.2.2.2 Select Synchronization mode

Follow these steps to select DC-Synchronous or Free Run mode.

1. Select Drive 3 (ASDA-A3-E CoE Drive) in the left column of the TwinCAT System

Manager window.

2. Under the DC tab in the right column, select DC-Synchronous or Free Run as the

Operation Mode.

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13.2.2.3 Distributed clocks setting

Follow these steps to set the data exchange cycle.

1. Select NC-Task 1 SAF in the left column.

2. Set the data exchange cycle in the Cycle ticks field under the Task tab in the right

column.

The SYNC0 cycle is used to define the PDO cycle time. The minimum unit of the SYNC0 cycle

for A3-E and B3-E is 125 µs. The SYNC0 cycles within 1 ms are 125 µs, 250 µs, and 500 µs in

sequence. The SYNC0 cycles above 1 ms are accumulated at intervals of 1 ms, such as 1 ms,

2 ms, 3 ms…10 ms. If the configuration includes an A2-E servo drive, the unit is the minimum

unit of A2-E (1 ms).

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