Timestamp for the stored position value
 | Note on using the timestamp function To be able to use the timestamp function, the EL5072 must be operated in "DC Latch active" mode. |
The timestamp is made possible by the distributed clocks technology in the EtherCAT system. This local clock can be used to synchronize the data acquisition.
The EL5072 provides a timestamp on the stored position value.
The terminal provides the timestamp with an extent of 64 bits. The timestamps are contained in the following "Predefined PDO Assignment":
Predefined PDO Assignment |
|---|
1. Ch. Standard, Timestamp |
2. Ch. Standard, Timestamp |
They can be selected or deselected as optional PDOs.
PDO Assignment | Name | Description |
|---|---|---|
IND Latch Timestamp Channel 1 | Contains timestamps in the 64 bit range for channel 1 | |
IND Latch Timestamp Channel 2 | Contains timestamps in the 64 bit range for channel 2 |
Timestamp on the stored position value
The process data index 0x60n2:01 "Latch event Timestamp" indicates the timestamp of the position value that was stored via the last positive edge of digital input.
Parameterization of the Latch input | 0x60n2:01 "Latch event Timestamp" | |
|---|---|---|
0x70n0:03 | Enable Latch on digital input | the last rising edge at the digital input at which the counter value was stored in index 0x60n1:02 "Latch value" |