| ??? 12/02/09 14:06 Read: times |
#171396 - 2% jitter... Responding to: ???'s previous message |
is more or less what you are getting. Difficult to be seen in oscilloscope and probably jitter from PLC signal. Try to use a known stable source, just to discart causes.
Daniel |
| Topic | Author | Date |
| Using timer 2 for frequency measurement | 01/01/70 00:00 | |
| Latencies | 01/01/70 00:00 | |
| Big differences | 01/01/70 00:00 | |
| I'm using a PLC and a Oscilloscope !! | 01/01/70 00:00 | |
| 2% jitter... | 01/01/70 00:00 | |
| Try a free-running timer and average 10 periods | 01/01/70 00:00 | |
| Dear Per | 01/01/70 00:00 | |
| You may use timer2 if you want | 01/01/70 00:00 | |
| Latency... | 01/01/70 00:00 | |
| Frequency Measure | 01/01/70 00:00 | |
| now using timer 0 and ext intr 0 | 01/01/70 00:00 | |
| giving up without proof that ... | 01/01/70 00:00 | |
Your calculations are OK | 01/01/70 00:00 |