Relay powered by a 24vdc opto isolated solid state ouput
Relay powered by a 24vdc opto isolated solid state ouput
(OP)
Hello,
I have a logic board that controls the stroke of a chemical pump made by Pulsa Feeder. I would like to have it's transistor based dry contact 24vdc solid state opto isolated output fire a relay.
Can I use a standard 24vdc coil relay or do I need a special "plc type relay" ??
On the schematic layout of the logic board, it shows the digital output as VCC (5-32vdc) with a 400 ohm resistor on the + terminal.
I'm a bit lost. Any help would really be appreciated !!
Thanks,
Mark Eichman
La Grange, CA
Modesto Irrigation Distric
I have a logic board that controls the stroke of a chemical pump made by Pulsa Feeder. I would like to have it's transistor based dry contact 24vdc solid state opto isolated output fire a relay.
Can I use a standard 24vdc coil relay or do I need a special "plc type relay" ??
On the schematic layout of the logic board, it shows the digital output as VCC (5-32vdc) with a 400 ohm resistor on the + terminal.
I'm a bit lost. Any help would really be appreciated !!
Thanks,
Mark Eichman
La Grange, CA
Modesto Irrigation Distric





RE: Relay powered by a 24vdc opto isolated solid state ouput
More info = more help.
What do you want this relay to do?
Keith Cress
Flamin Systems, Inc.- http://www.flaminsystems.com
RE: Relay powered by a 24vdc opto isolated solid state ouput
Can you upload the circuit following the guidance in FAQ559-1100: How Can I Show An Image In A Post? That would help greatly.
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Sometimes I only open my mouth to swap feet...
RE: Relay powered by a 24vdc opto isolated solid state ouput
Thank you itsmoked and ScotyUK for your responses. I was trying to avoid buying a separate din mounted 24vdc powersupply and a normal 24vdc coil relay and find a product that would combine both.
The print did show a 400 ohm resistor connected to the output from the chem pump, which would be in series with a 24vdc voltage source AND a 24vdc coil relay.
Hope I haven't confused anyone too much. I'll try to post a picture today sometime.
Take care,
Mark