A headspace sampler control system and control method
A headspace sampler and control system technology, applied in the control/regulation system, sequence/logic controller program control, electrical program control, etc., can solve the problems of difficult expansion, poor anti-interference ability, high failure rate, etc.
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[0095] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0096] The headspace sampler control system of this embodiment, such as figure 1 As shown, the system includes programmable controller 60 (model S7-200 CPU224XP CN), temperature module 61 (model EM231 AI8xRTD), analog input and output module 62 (model EM235 CN) and human-computer interaction device 63 (model SK- 043AE), in which, the programmable controller 60 adopts a PLC model of S7-200 CPU224XP CN, the temperature module 61 adopts a model of EM231 AI8xRTD, the analog input and output module adopts a model of EM235 CN, and the human-computer interaction device 63 The display and control touch screen man-machine interface model SK-043AE is used.
[0097] Such as figure 2 As shown, the first output terminal Q0.0 of the programmable controller 60 is connected to the input terminal of the 220V power relay 34 of the headspace sample...
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