1. 3-pin relay wiring
The common 3-pin relay is the car horn relay.
No. 1 is the contact terminal, which connects the load;
No. 2 is the common terminal between the contact and the coil, which is connected to the power supply;
No. 3 is the coil terminal, which connects to the button switch (such as the horn button on the steering wheel).
Press the button switch, 2, 3 on, the coil is energized, the contact is closed, 1, 2 is on, and the horn makes a sound.
2. 4-pin relay wiring
The 4-pin relay is the most common SPST relay.
Pin 1 and 2 are coil terminals, and pins 3 and 4 are contact terminals.
1. 2 conduction, coil energization, internal mechanical transmission, 3 and 4 contacts are closed (normally closed type is disconnected), and the load loop is turned on.
3. 5-pin relay wiring
The 5-pin relay is a common SPDT relay.
1 and 2 are coil terminals, 3 are common contacts, and 4 and 5 are normally open and normally closed contacts.
Initial state, 3, 5 contacts are on, and load 5 is working; After the coil power supply is powered, 1 and 2 are turned on, the coil is energized, the 3 common contacts are switched to close with the 4 normally open contacts, and the load 4 starts to work.
Fourth, 6 pin relay wiring
The conventional 6-pin relay is not much different from the 5-pin principle, that is, there is an additional common terminal, and the two terminals 1 and 6 are connected together and act as a common terminal at the same time.
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Peel magnetic relay – the difference between a safety relay and a normal relay
1. The shape is larger
The dimensions of safety relays are different from ordinary relays, and safety relays are larger.
2. Modules instead of components
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3. Color
Quiet...
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Positional proportional gain
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REASONS FOR USE OF PILZ SAFETY RELAYS
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How do I remove the Pilz safety relay on the circuit board?
1. The mount can be quickly replaced.
2. For low-value and easy-to-purchase multi-leg assemblies, destructive removal methods can be employed to prevent board stepping on. For this type of relay, use pliers to break it off and then use a set with a semicircular or triangular file.
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