Triconex 3611E 115VAC 数字输出模件，光隔离、公用、

CP60-CPU CP60 CP40B-CPU CP40B   工控产品  自动化设备

CP60-CPU CP60 CP40B-CPU CP40B   工控产品  自动化设备

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【主营产品】

贝利Bailey。Allen-Bradley。福克斯波罗Foxboro。

DCS  PLC  伺服系统 机器人系统 配件。Schneider施耐德。艾默生EMERSON。XYCOM。Woodward伍德沃德。西屋Westinghouse。Honeywell霍尼韦尔。WEStation系统备件。

英维思Triconex。Motorola摩托罗拉。罗克韦尔Rockwell。ABB。XYCOM。本特利Bently。GE通用电气。Yaskawa安川。。Bosch Rexroth博世力士乐。Yokogawa横河。Siemens(西门子)。Reliance。Modicon莫迪康
At first, PLC is used for logic control of switch quantity. With the development of PLC skills, its application field is expanding. Nowadays, PLC is not only used for switch control, but also for analog and digital control, which can collect and store data, and monitor the control system; It can also be connected with each other and communicated to complete large-scale cross regional control and handling. PLC has become a leading role in the family of industrial control equipment.
1. For switch control
PLC control switch function is very strong. The number of input and output points controlled can reach hundreds, thousands, even tens of thousands of points, because it can be connected with each other, and the number is unlimited. No matter how many points can be controlled, the logic questions controlled can be diversified: combined, sequential, immediate, delayed, non counting, demand counting, fixed order Random assignments, etc., can be done.
The hardware structure of PLC is variable, and the software program is programmable. It is very flexible when used for control. If necessary, you can write multiple sets or groups of programs, which can be called according to the requirements. It is very used to the demand of multi working conditions and multi condition change in the industrial site.
There are many examples of switching quantity control by PLC. Metallurgy, machinery, light industry, chemical industry, textile and so on. It is required by all industries. Nowadays, the first use policy of PLC is also the one that other controllers can not compare with, that is, it can be used for the control of switch quantity conveniently and reliably.
2. For analog quantity control
Analog quantities, such as current, voltage, temperature, pressure, etc., are continuously changed in size. Industrial production, especially the continuous production process, often needs to control these physical quantities.
As an industrial control electronic equipment, PLC can not control these quantities, which is a big lack. Therefore, PLC manufacturers have carried out many development in this area. Nowadays, not only large and medium-sized machines can control analog quantity, that is, small ones, but also can control them. PLC is used to control analog quantity, and it is necessary to equip a/d and d/a units with analog and digital quantity changing each other. It is also an i/o unit, but it is a special i/o unit.
A/d unit is to convert the analog quantity of the external circuit into digital quantity, and then send it to PLC; D/a unit is to transform the digital quantity of PLC into analog quantity and then send it to the external circuit. As a special other i/o unit, it still has the characteristics of i/o circuit anti-interference, circuit blocking in the meter, communication information with input and output relay (or internal relay, which is also a region of PLC operation memory, readable and written).