T_DCTIME64
The data type T_DCTIME64
represents the distributed clock system time (abbreviated as DC time) as a linear 64-bit integer value. The time is expressed in nanoseconds since 1/1/2000 UTC. The smallest unit is a nanosecond.
TYPE T_DCTIME64 : ULINT;
END_TYPE
Useful distributed clock system time constants | Description |
---|---|
EC_DCTIME_DELTA_OFFSET64 | Number of 100-nanosecond ticks between 1601-01-01 and 2000-01-01. |
EC_DCTIME_DATEDELTA_OFFSET | Number of days that have passed between the year zero and January 1, 2000 |
EC_DCTIME_TICKSPERMSEC64 | Number of distributed clock system time nanoseconds per millisecond |
EC_DCTIME_TICKSPERSEC64 | Number of distributed clock system time nanoseconds per second |
EC_DCTIME_TICKSPERDAY64 | Number of distributed clock system time nanoseconds per day |
Requirements
Development environment | Target platform | PLC libraries to include |
---|---|---|
TwinCAT v3.1.0 | PC or CX (x86, x64, ARM) | Tc2_EtherCAT |