High-reliability multi-type electric power front-end temperature acquisition device and system
A collection device and multi-type technology, applied in the field of high-reliability multi-type power front-end temperature collection devices and systems, can solve the problems of lack of anti-interference function, inability to meet temperature measurement requirements, single signal type, etc., and achieve large time and cost. Advantages, the effect of ensuring highly reliable operation and strong anti-interference characteristics
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[0048] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0049] Such as figure 1 As shown, a high-reliability multi-type power front-end temperature acquisition device proposed by the embodiment of the present invention includes: a power supply and a system-side circuit and a field-side circuit connected to the power supply. The circuit is powered by the circuit on the field side, and the circuit on the system side is connected to the circuit on the field side; the circuit on the field side is used to control the conduction of the signal acquisition channel corresponding to each detection signal according to the signal detection information, and preprocess the detection signal. The preprocessed detection signal and the precision resistance signal provided by the field side circuit are sent to the system side circuit;...
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