Year1
- 模块：
- 555
1. Invensys Foxboro/System: B (field input/output module) sequence control, ladder logic control, accident recall processing, digital-to-analog conversion, input/output signal processing, data communication and processing, etc.
2. Invensys system redundant fault-tolerant control system, the most modern fault-tolerant controller based on triple module redundancy structure.
3.: Industrial robot spare parts C series, etc.
4. Westinghouse: System, system, system spare parts.
5. Honeywell: C system spare parts modules, C series, C, and other spare parts.
6. Yaskawa: servo controller, servo motor, servo driver.
7. Rockwell: , Ryan and other products.
8. Bus and other spare parts
9. Woodward C valve position controller and digital controller.
10. Schneider c series, processors, memory cards, power modules, etc.
11. Motorola, series.
12. Various spare parts such as FANUC modules, cards, drives, etc.
13. Siemens:, C, CNC system, etc.
Low price sales
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Low price sale.CC
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.B一) Analyze the controlled object and put forward control requirements
Detailed analysis of the process and working characteristics of the controlled object, understand the cooperation between the machine, electricity and hydraulics of the controlled object, and propose the control requirements of the controlled object for the C control system , determine the control plan and formulate a design brief.
(2) Determine input/output devices
According to the control requirements of the system, determine all input devices (such as buttons, position switches, transfer switches, various sensors, etc.) and output devices required by the system (Such as: contactors, solenoid valves, signal indicators and other actuators, etc.), thereby determining the input/output devices related to C to determine the number of C/points.
(3) Select C
C selection includes the selection of C model, capacity, module, power supply, etc. For details, see Section 2 of this chapter.
(4) Assign/points and design C peripheral hardware circuits
.Assign/points
Draw a connection diagram or correspondence table between C/points and input/output devices. This part also This can be done in step 1.
.Design C peripheral hardware circuit
Draw the electrical circuit diagram of other parts of the system, including the main circuit and control circuits that do not enter the programmable controller.
The electrical schematic diagram of the system consists of the C/connection diagram and the C peripheral electrical circuit diagram. So far the hardware electrical circuit of the system has been determined.
1) Analyze the controlled object and propose control requirements
Detailed analysis of the process and working characteristics of the controlled object, understand the cooperation between the machine, electricity and hydraulics of the controlled object, and propose C Control the control requirements of the control system, determine the control plan, and formulate a design brief.
(2) Determine input/output devices
According to the control requirements of the system, determine all input devices (such as buttons, position switches, transfer switches, various sensors, etc.) and output devices required by the system (Such as: contactors, solenoid valves, signal indicators and other actuators, etc.), thereby determining the input/output devices related to C to determine the number of C/points.
(3) Select C
C selection includes the selection of C model, capacity, module, power supply, etc. For details, see Section 2 of this chapter.
(4) Assign/points and design C peripheral hardware circuits
.Assign/points
Draw a connection diagram or correspondence table between C/points and input/output devices. This part also This can be done in step 1.
.Design C peripheral hardware circuit
Draw the electrical circuit diagram of other parts of the system, including the main circuit and control circuits that do not enter the programmable controller.
The electrical schematic diagram of the system consists of the C/connection diagram and the C peripheral electrical circuit diagram. So far the hardware electrical circuit of the system has been determined.
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