| ??? 10/01/10 18:49 Read: times |
#178835 - Why isolate relay coil? Responding to: ???'s previous message |
What is the reason you want to isolate the relay coil? Does the relay coil get power from some external power source? |
| Topic | Author | Date |
| PC817 for isolation + driving relay? | 01/01/70 00:00 | |
| Why isolate relay coil? | 01/01/70 00:00 | |
| Re: | 01/01/70 00:00 | |
| Optos don't actually "isolate" from a EMC point-of-view... | 01/01/70 00:00 | |
| ......... | 01/01/70 00:00 | |
Star point grounding and filtering... | 01/01/70 00:00 | |
| PC817? | 01/01/70 00:00 | |
| Is LED current of 5mA is sufficient? | 01/01/70 00:00 | |
| no | 01/01/70 00:00 | |
| A darlington? | 01/01/70 00:00 | |
| SSR? | 01/01/70 00:00 | |
| RE: "book by Bosshcart " | 01/01/70 00:00 | |
| RE: "book by Bosshcart " - Link | 01/01/70 00:00 |