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4-RELAY DIGITAL MODULE 5V W/ HEADER PIN INPUT
Description
Module interface:
- 1. DC + : connected to the positive pole of power supply (voltage is required for relay, 5V, 12V and 24V for choice)
- 2. DC- : connect to the power negative pole.
- 3. IN1-IN4: according to the setting of each circuit, the corresponding relay can be controlled with high or low level to suck in.
Relay output terminal: with 12 lines of interfaces, all interfaces can be directly connected to lead, convenient for users to use
- 1. NO1--NO4: the relay normally opens the interface, and the relay is suspended before it is sucked in, and is connected with COM after it is sucked in.
- 2. Common interface of relay COM1--COM4.
- 3. NC1--NC4: relay normally closed interface. The relay is short connected with COM before it is sucked in and suspended after it is sucked in.
Frequently bought together
