590＋全数字式直流控制器是英国欧陆公司最新推出的产品，在保留原590C卓越性能的基础上，进行了以下改进：

590+ full digital DC controller is the England European company latest product in to keep their original 590C excellent performance on the basis of the following improvement:

• 新增本地控制功能，即可通过操作面板6901实现马达的启/停、速度控制；

The new increase local control function, namely through the operation panel 6901 to realize motor rev. /stop. Speed control.
☆新增Devicenet、Canopen、Lonworks总线通讯功能；

The new increase Devicenet、Canopen、Lonworks bus communication function;
☆与欧陆变频器690＋具有相同的外形、统一的编程/参数设置方法和通讯方式；

And European converter 690+ have the same appearance, unified programming/parameter setting method and communication way;

☆电枢电压、电枢电流、磁场电流完全由软件设定，不再使用校验板；

Armature voltage, current, magnetic field current completely by software setting, no longer use check plate;

☆内置风扇噪音更低。 ☆速比：100:1，经我们技术改进可达1000:1

Built-in fan noise is low. Ratio: 100:1, by our technical improvement can reach 1000:1

☆稳定精度：测速电机反馈优于0.1％

Stable precision: velocity measurement of speed motor feedback is better than 0.1%

• 光码反馈优于0.01％  

Optical code feedback is better than 0.01%.