sharikbaig
Member level 1
Hi,
I have this PCB on which there are 7 relays adjacent to each other. They may be on all at a time or may be some of them on others off or maybe all of them on. The problem is, when i turn on 3 relays, the 4th one doesn't turn on. but as i turn off the 3rd relay, 4th one turns on. Also sometimes, as one relay operates, all the relays turn off.
In short, these relays are somehow interfering with each other & hence the circuit is misbehaving. Switching of one relay affects the other. Is this because they are placed adjacent to each other (only 3mm gap in between)? or is there some other issue?
To my knowledge, is it due to EMI?
How to overcome this problem?
Relay Coil - 12VDC / Relay O/P - 5A@240VAC
Relay datasheet attached. View attachment datasheet.pdf
Thanks.
I have this PCB on which there are 7 relays adjacent to each other. They may be on all at a time or may be some of them on others off or maybe all of them on. The problem is, when i turn on 3 relays, the 4th one doesn't turn on. but as i turn off the 3rd relay, 4th one turns on. Also sometimes, as one relay operates, all the relays turn off.
In short, these relays are somehow interfering with each other & hence the circuit is misbehaving. Switching of one relay affects the other. Is this because they are placed adjacent to each other (only 3mm gap in between)? or is there some other issue?
To my knowledge, is it due to EMI?
How to overcome this problem?
Relay Coil - 12VDC / Relay O/P - 5A@240VAC
Relay datasheet attached. View attachment datasheet.pdf
Thanks.