PROCESSOR 958481320201 PROC PLUS Communication module

Description

PROCESSOR 958481320201 PROC PLUS Communication module：

The installation of PLC system is divided into centralized, remote I / 0 and distributed PLC network.
There is no need to set up remote I/O hardware, the system response is fast, low cost; The remote I /O type is suitable for large scale systems with a wide range of equipment distribution. The remote I /O can be scattered near the field equipment with short connections, but it will require additional drivers and remote I /O power supply; The distributed network of multiple PLC is suitable for the independent control of multiple devices, and the occasion of mutual contact, can choose small PLc, but must be attached to the communication module.
Corresponding functional requirements
General small (low)PLC has logical operation, timing, counting and other functions, for only need to switch quantity control equipment can meet.
For the system based on switching quantity control and with A small amount of analog quantity control, can choose A/ / D and D/A conversion units, with addition and subtraction arithmetic operations, data transmission functions of enhanced low-grade PLC.
For more complex control, it is required to achieve PID operation, closed-loop control, communication networking and other functions, the size and complexity of visual control, the choice of medium or PLC. However, the price of PLc is more expensive, generally used for large-scale process control and distributed control system and other occasions.
Response speed requirement
PLC is a general controller designed for industrial automation, the response speed of different grades of FLc can generally meet the needs of its application range. If FLC is to be used across a range, or some functions or signals have special speed requirements, the response speed of PLc should be carefully considered. PLC with high speed I/0 processing function can be selected, or Lc with fast response module and interrupt input module can be selected.
System reliability requirements
For the general system PLC reliability can meet. For systems with high reliability requirements, consider whether to use redundant systems or hot standby systems. Try to unify the models
An enterprise should try its best to unify PLC models. It mainly considers the following three aspects. The models are unified, and the modules can be used for each other to facilitate the procurement and management of spare parts. The model is unified, its function and use method are similar, which is conducive to the training of technical force and the improvement of technical level.
Unified models, its external equipment common, resources can be shared, easy to network communication, with the upper computer is easy to form a multi-level distributed control system.

This article is from the official website of Zhangzhou Branch of Xiamen Xiongba E-commerce Co., LTD. Please attach this link: http://www.sauldcs.com/

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