Haiti There are three elements in the procurement of 110V input power supply(2)

Remote control switch circuit
The remote control switch operation of the module power supply is carried out through the REM terminal. There are two general control methods:
(1) REM is connected to -VIN (reference ground), the remote control is turned off, and VREF<0.4V is required. REM is suspended or connected to +VIN, the module works, and VREM>1V is required.
(2) REM is connected to VIN, the remote control is turned off, and VREM<0.4V is required. REM is connected to +VIN, the module works, VREM>1V is required. REM is suspended, and the remote control is turned off, that is, the so-called "suspended shutdown" (-R).
If the control is to be isolated from the input, an optocoupler can be used to pass the control signal

Noise pollution has always been a major problem for manufacturers. In the early days, machinery and equipment would generate a lot of noise during work, which would affect the health of employees. According to the senior human resources department, it is very difficult to recruit workers at the moment. With the rise of Internet recruiting, it is easier for people to find jobs, but we are reluctant to work in production. If businesses cannot address noise pollution, they may not even find workers. After all, people these days take their health very seriously.

2. Insulation cannot be ignored.

The high-voltage power module will generate a very high voltage during operation. If someone touches it, the consequences are unimaginable. In order to ensure the safety of employees and avoid safety risks, it is necessary to understand the insulation when purchasing high-voltage power supplies. Only by ensuring that the insulation is good enough, can some unnecessary troubles be avoided.