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 • How to detect solid-state relay is good or bad?

Under normal circumstances, can not accurately use the multimeter to measure directly the quality solid state relays, because the solid-state relay output is composed of a thyristor or triac, the multimeter can not accurately measure the on-off, and We can use the serial load method to determine the test voltage, the specific operation shown as below:

Under normal circumstances, can not accurately use the multimeter to measure directly the quality solid state relays, because the solid-state relay output is composed of a thyristor or triac, the multimeter can not accurately measure the on-off, and We can use the serial load method to determine the test voltage, the specific operation as shown below:

Note: When the input current is 0, the voltage meter measured the voltage of power grid voltage, lamp does not shine; when the input current reaches a certain value, electric light, voltage meter measured the voltage turn-on voltage solid state relay (in the 3V or less)

• ZYS48-4S relay cycle time can control the cycle time in the time of 200H?

Cycle time relay ZYS48-4S is unable to meet your needs, the scope of its cycle time is between the 0.1S-99H, if you use longer than 99 hours, you can use 2 sets of ZYS48-2Z (or ZYS48 -A) of the power-delay time relay, in accordance with the following diagram to connect the terminal to be used.

Notes: 1. The black lines represent the product requires an external power cable terminals, the '+' indicates positive or FireWire connection, the   '-' indicates negative or zero line access; 2. Gray lines represent the product layout and internal wiring terminal connection points, not need to use the power cord; 3.T1 and T2, 1,3 and 4 feet for the relay output control pin can be controlled access to the load line.

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