本公司主营DCS系统的配件，PLC系统的配件。主营：Bentley本特利，Invensys英维思，Woodward伍德沃德，Foxboro福克斯波罗、Westinghouse西屋、Ryan瑞恩、Schneider Modicon施耐德莫迪康、ABB、AB、Siemens西门子、Motorola摩托罗拉、GE FANUC罗克韦尔Allen-BradleyGE发那科、yaskawa安川、bosch rexroth博世力士乐，ACSO，YOKOGAWA横河，Rexroth力士乐等各大品牌的DCS系统配件，机器人系统配件，大型伺服系统备件。
PLC主要应用的领域
1．开关量逻辑控制
取代传统的继电器电路，实现逻辑控制、顺序控制，既可用于单台设备的控制，也可用于多机群控及自动化流水线。如注塑机、印刷机、订书机械、组合机床、磨床、包装生产线、电镀流水线等。
2．工业过程控制
在工业生产过程当中，存在一些如温度、压力、流量、液位和速度等连续变化的量（即模拟量），PLC采用相应的A/D和D/A转换模块及各种各样的控制算法程序来处理模拟量，完成闭环控制。PID调节是一般闭环控制系统中用得较多的一种调节方法。过程控制在冶金、化工、热处理、锅炉控制等场合有非常广泛的应用。
3．运动控制
PLC可以用于圆周运动或直线运动的控制。一般使用专用的运动控制模块，如可驱动步进电机或伺服电机的单轴或多轴位置控制模块，广泛用于各种机械、机床、机器人、电梯等场合。
4．数据处理
PLC具有数学运算（含矩阵运算、函数运算、逻辑运算）、数据传送、数据转换、排序、查表、位操作等功能，可以完成数据的采集、分析及处理。数据处理一般用于如造纸、冶金、食品工业中的一些大型控制系统。
5．通信及联网
PLC通信含PLC间的通信及PLC与其它智能设备间的通信。随着工厂自动化网络的发展，现在的PLC都具有通信接口，通信非常方便
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主营产品，备件供应，充足库存
Foxboro（福克斯波罗）：I/A Series系统，FBM全系列（现场输入/输出模块）
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、
数据通信及处理等。
Westinghouse（西屋）：1C31系列DCS系统、CPU、OVATION系统、WDPF系统、
WEStation系统备件。
Triconex（英维思）:冗余容错控制系统、基于三重模件冗余（TMR）结构的现代化的容错控制器。
EMERSON（艾默生）:模块、卡件、驱动器等各类备件。
XYCOM：XVME系列
Bently（本特利）：3500/3300系统。
Rockwell（罗克韦尔）：ICS系统。
ABB：PM全系列DCS系统、IGCT高压变频器系列、工业机器人备件DSQC系列、INFI 90等。
Bailey（贝利）：BRC系列DCS系统等。
Allen-Bradley：1756、1785、1771、1746全系列系统等。
Yokogawa（横河）：CP系列等。
Honeywell（霍尼韦尔）：TK/TC/CC系统等。
Reliance（瑞恩）：57C系列等。
Schneider（施耐德）：140系列处理器、控制卡、电源模块等。
Modicon（莫迪康）：AS系列PLC系统备件。
Siemens(西门子)：6ES5/6ES7414/6ES7415/6ES7416系列PLC系统备件、
Siemens MOORE，Siemens Simatic C1，Siemens数控系统等。
Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。
XYCOM：I/O、VME板和处理器等。
GE（通用电气）：IC698/IC697全系列PLC系统、模块、卡件、驱动器等各类备件。
Yaskawa（安川）：伺服控制器、伺服马达、伺服驱动器。
Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。
Woodward（伍德沃德）：SPC阀位控制器、PEAK150数字控制器。
How to choose between PLC and DCS depends on the specific project and plant type. Because of different applications, the requirements of the control system are also different.
In addition to some basic criteria, we must also consider the installation, scalability, maintenance and other factors. Sometimes, one choice is very suitable for a factory, and in another case it may not be. Therefore, the more factors considered in the selection of control system, the more conducive to the realization of short-term and long-term goals.
At present, although PLC system may be the most cost-effective for small equipment, DCS system provides more economical scalability and is more likely to obtain higher initial return on investment.
PLC is suitable for discrete production, generally composed of separate production devices, mainly used to complete the assembly of components, such as labeling, filling or grinding. DCS is suitable for process manufacturing. Automated systems are often used to produce by recipe rather than by piece in a continuous and batch manner. Large scale continuous processing equipment, such as refineries and chemical plants, all use DCS system. Mixed application usually uses PLC and DCS at the same time.
■ process scale:
Small system (<300 i / o points) may have less budget, so plc is more suitable. dcs has a global database, which is easier to manage and upgrade, and can play a more important role in large factory applications.
■ upgrade plan:
PLC system can be selected for small-scale industrial process, but if the process needs to be expanded or upgraded, more PLC hardware and database need to be added, and independent maintenance is needed. This process is time-consuming and laborious, and prone to errors. At this time, DCS is more suitable. As DCS is easier to upgrade, it can also manage users&＃39; trust from the central hub, so it is easier for later maintenance.
Integration requirements:
For stand-alone device, PLC is the ideal choice. When the factory configures multiple PLCs, it will produce the requirement of interconnection. This is generally difficult to implement because it is usually necessary to map data using communication protocols. Especially when the user needs to change, once a PLC system is changed, the two PLCs may not communicate normally. DCS does not need mapping, configuration change is just a simple process, the controller is the system&＃39;s own.
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