Elevator Core PDO Transmission Type
Various transmission modes can be selected for each PDO. For RX PDO, the following modes are supported:
Transmission Type | Mode | Description |
|---|---|---|
0-240 | Synchronous | The received data will be transferred to the drive active control register when the next sync message is received. |
254, 255 | Asynchronous | The received data will be transferred to the drive active control register immediately without delay. |
For TX PDO, the following modes are supported:
Transmission Type | Mode | Description |
|---|---|---|
0 | Acyclic synchronous | TX PDO will only be sent out if the PDO data has changed and PDO will be transmitted on reception of SYNC object. |
1-240 | Cyclic synchronous | TX PDO will be transmitted synchronously and cyclically. The transmission type indicates the number of SYNC object that are. |
254 | Asynchronous | TX PDO will only be transferred once corresponding RX PDO has been received. |
255 | Asynchronous | TX PDO will only be transferred anytime if PDO data value has changed. |