MTL 8939-HN
MTL 8939-HN
MTL 8939-HN
PSTX系列软起动器是ABB结合了行业应用的丰富经验及对特殊应用需求的深刻了解，
在多年产品研发的基础上，推出的全新全智型电动机控制与保护产品。它增加了许多新的功能，并提高了应用可靠性。
·三相控制
·额定工作电压:208 – 690 VAC
·额定控制电源电压:100 – 250 V, 50/60 Hz
·PSTX额定工作电流:30-1250 A(内接最大: 2160 A)
·内接或外接均可
·带防护涂层控制板
·可有效抵御灰尘、潮湿和腐蚀性气体
·可分离式键盘，防护等级IP66 (类型1, 4X,12)
·图形液晶显示屏，17种语言可选，设置和操作更简单方便
·内置旁路，降低能耗、易于安装
·集成 Modbus RTU用于监测和控制
·支持所有主流的通讯协议
·具有模拟量输出信号，可选择为运行电流、电压、功率因数等
·紧急消防模式，可以在紧急情况时，按照客户设定，关闭保护功能强行运行电机
·跛行模式，在PSTX的一相可控硅意外损坏的情况下，可以迅速重新设定起动电机。
·电机预热功能，确保电机安全起动。
·动力制动，有助于快速停止类似风机等转动惯量较大的负载
EMC standards and has CE standards
Annals.
Industrial “DCS system design purpose: the most economical engineering investment and the most powerful control function.
Industria1 “five features of DCS system:
1、 The comprehensive control system integrates DCS & PLC & field bus;
2、 RISC superscalar high-speed CPU with super performance;
3. High reliability, strict industrial application practice, and application performance of more than 1000 sets in China;
4、 Good openness, flexibility and expansibility;
5、 Easy engineering, friendly interface and simple maintenance;
2. Industria1 “system communication
Industrial ial “the system uses the international standard industrial bus. The field controller supports PROFIBUS, FF, MODBUS, can and other countries
International standard fieldbus, PROFIBUS is the most widely used open fieldbus international standard in the world, which is divided into FMS, DP and pa
Level III, DP communication rate can be up to 12MB. PROFIBUS is used to connect distributed i/0 stations, field bus instruments and other intelligent devices.
The communication among process station, operator station and engineer station is realized through the system bus diginets (Industrial Ethernet). user
Different transmission media (RJ45 twisted pair, thin cable, thick cable or
