A start-up triac chip (2), which is switched on or off in response to an input signal, and a power triac chip (3), which is switched on or off in response to the on current from the start-up triac chip (2) are provided on the output side of this solid state relay. In ...
A testing device for solid state relay was designed.The work principle,circuits of power supply and synchronous pulse of testing device were introduced,and typical circuit of testing device was given.The testing device can inspect parame... JC Qian,C Electric - 《Low Voltage Apparatus》 被引量...
Output cycling of the power supplies is accomplished using Keithley’s line of PIO digital I/O boards and solid-state relay (SSR) modules. Test System Safety Many electrical test systems or instruments are capable of measuring or sourcing hazardous voltage and power levels. It is also possible,...
Heating control is most often via a solid state relay. Creep (or strain), can be taken into the control system either via an analogue input from a suitable transducer or through master communications from other digitally communicating devices. The control system can also access digital inputs ...
Heating control is most often via a solid state relay. Creep (or strain), can be taken into the control system either via an analogue input from a suitable transducer or through master communications from other digitally communicating devices. The control system can also access digital inputs ...
Water heatingnickel-chromium alloy heating, heating control method: non-contact SSR (solid state relay) Number of light tubes8 pieces, UVA fluorescent uv light tubes Man-machine touch screenLCD display, easy to operate Control systemadopt single-chip microcomputer...
relay) Water level control device, dry heating prevention device of heater Humidifier 1.Basin heating humidifying method 2.Control mode of heater: non contact equal period pulse-width modulation, SSR (solid state relay) 3.Water level control device, dry heating preven...
The RELAYSTAR-7000 is the most powerful protection relay test system for testing all relay technologies, such as electromechanical, solid state, numerical and IEC61850. The locally and PC controlled test set generates high precision digital signal using multiple DSP’s technology. The RELAYSTAR-7000...
The RELAYSTAR-7000 is the most powerful protection relay test system for testing all relay technologies, such as electromechanical, solid state, numerical and IEC61850. The locally and PC controlled test set generates high precision digital signal using multiple DSP’s technology. The RELAYSTAR-7000...
4. Process control temperature and time, with a proportional - integral (PID) adjustment function, the effective Temperature "overshoot" phenomenon. 5. Solid-state relay to control the heating tube, without mechanical contact, temperature stability, no noise, long life. 6. ...