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- Tue Aug 25, 2015 8:31 pm
- Forum: Wiring, Electrical, Relays and Sensors
- Topic: Relay Board for 24VDC Solenoids
- Replies: 20
- Views: 11284
Re: Relay Board for 24VDC Solenoids
One of the problems I encountered is that the BCS is a sourcing device (5V high signal=triggered) and most inexpensive relay cards are looking for a sinking device (0V signal or ground path = triggered). I ended using a 12V 16 relay card that was triggered by a source. It is easy to think of thing a...