Low Cost PLC With HMI-Programmable Logic Controller PDF By Coolmay PLC
PLC host, I/O expansion machine and peripheral equipment of the main types of introduction
by：Coolmay
2020-08-17
Which a few parts of hardware of PLC controller?
PLC hardware in general by the host, I/O expansion machine and peripheral equipment.
(
1)
The host includes: microprocessor (
MPU）
。
Common microprocessors are: Z80A, 8085, M6800, M6809, 8086, M68000.
Single chip microcomputer are: 8039, 8031, M6801.
Storage: PLC controller memory used to store programs and data, generally USES a ROM or EPROM.
I/O interface: the I/O interface is host and external devices, the I/O module connection parts, used for expansion drive power input and output points of PLC bus.
(
2)
The power: voltage range in vac - 160
260VAC。
(
3)
Input/output module: used for input and output signal conditioning, the input signal filtering, isolation, level conversion, etc.
Include dc switch input module, switch input module and communication, dc switch output module, ac switch output module.
(
4)
Function modules, including A/D and D/A module, the temperature sensor module, high speed counting module, PID module, remote I/O module, communication module.
(
5)
Extension (
6)
Programmer (
7)
Other peripherals, printers, monitors.
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Above all, we expect to be a credit to the communities we serve, a valuable resource to our customers, and a place where our dedicated plc manufacturers can grow and prosper.
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Shenzhen Coolmay Technology Co., Ltd. employs a group of professional staff, enhancing the function of plc manufacturers.
In an age when plc manufacturers is increasingly important, the researchers believe manufacturers should pay close attention to their results.
Above all, we expect to be a credit to the communities we serve, a valuable resource to our customers, and a place where our dedicated plc manufacturers can grow and prosper.
Through our distribution and marketing competencies, Shenzhen Coolmay Technology Co., Ltd. provides creative, customized, solutions for our customers. As a result, we achieve superior profit growth as the plc manufacturers company of choice.
Shenzhen Coolmay Technology Co., Ltd. incorporates average length of the workweek, average growth in number of small businesses, startup per capita, average of growth of business revenues, five-year business survival rate, industry variety, entrepreneurship index and how digital a state is.
Shenzhen Coolmay Technology Co., Ltd. employs a group of professional staff, enhancing the function of plc manufacturers.
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