See Also
| Name | Object Type | Description |
|---|---|---|
| DriveParamRead | SDO | Reads a drive parameter (ASCII format) |
| DriveParamWrite | SDO | Writes a drive parameter (ASCII format) |
| ECATCommErrors | Returns a list of bad EtherCATEtherCAT is an open, high-performance Ethernet-based fieldbus system. The development goal of EtherCAT was to apply Ethernet to automation applications which require short data update times (also called cycle times) with low communication jitter (for synchronization purposes) and low hardware costs connections | |
| ECATDeviceStatus | Provides EtherCAT state and port link status information for an EtherCAT device. | |
| ECATGetObjVal | PDO | Reads cyclic drive parameter (String format) by returning the value of an EtherCAT PDO element |
| ECATMasterStatus | Reads the EtherCAT master state and the lost frame counter | |
| ECATReadData | PDO | Reads cyclic parameter (byte offset format) |
| ECATReadSdo | SDO | Reads parameter (32 bit format) using SDO command |
| ECATWCStatus | Returns the current number of working counter errors for the Sync unit | |
| ECATWriteData | PDO | Writes cyclic parameter (byte offset format) |
| ECATWriteSdo | SDO | Writes parameter (32 bit format) using SDO command |
Table 11-44: List of EtherCAT FB
The SDO function blocks only support the reading and writing of 32-bit values. It is the fundamental size of CANopen SDO calls.
Why use ECATReadSdo and ECATWriteSdo FBs?
The ECATReadSdo and ECATWriteSdo response time is faster and therefore is typically preferred over the DriveParamRead and DriveParamWrite.
Why use the DriveParam FBs?
The two reasons to prefer the DriveParam FBs are:
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