SR489-P1-LO-A20-E GE 发电机管理继电器

SR489-P1-LO-A20-E GE 发电机管理继电器

489-p1-lo-a20-e是Multilin的489发电机管理继电器。该单元有1A相CT输入，控制电压为20至60VDC或20至48 VAC 48-62 Hz。该设备有一个大型LCD增强显示和4-20 mA模拟输入。

作为GE SR系列继电器的一部分，489-P1-LO-A20-E提供具有先进通信的高性价比保护和控制。该装置设计用于与小型到中型发电机配对，以提供保护并减少故障排除时间。该设备易于使用，并提供振动监测的模拟输入以及轴承热保护的rtd。

489-P1-LO-A20-E有一个大的，易于阅读的前面板，沿其顶部边缘有40个字符显示。该显示允许用户查看设定值和实际值消息，以及诊断和默认消息。前面板配备了数字键盘，值上升和下降键，一个程序端口接口，多个状态指示灯，以及控制和编程键。前面板的底部边缘包括一个可抽出的手柄，可以安装一个金属丝铅密封，以防止未经授权的拆卸。

该单元支持直接集成到大多数DCS和SCADA系统。支持DNP 3.0、Modbus RTU、Modbus TCP/IP协议。本机接地满足C37.90电磁干扰，SWC,RFI干扰抗干扰能力。

SR489-P1-LO-A20-E GE 发电机管理继电器

489-P1-LO-A20-E is Multilin's 489 generator management relay. The unit has a 1A phase CT input with a control voltage of 20 to 60VDC or 20 to 48 VAC 48-62 Hz. The device has a large LCD enhanced display and 4-20 mA analog input.

As part of the GE SR family of relays, the 489-P1-LO-A20-E offers cost-effective protection and control with advanced communications. The unit is designed to be paired with small to medium sized generators to provide protection and reduce troubleshooting time. The device is easy to use and provides analog input for vibration monitoring as well as rtd for bearing thermal protection.

The 489-P1-LO-A20-E has a large, easy-to-read front panel with 40 characters displayed along its top edge. The display allows the user to view set and actual value messages, as well as diagnostic and default messages. The front panel is equipped with a numeric keypad, value up and down keys, a program port interface, multiple status indicators, and control and programming keys. The bottom edge of the front panel includes a pull-out handle that can be fitted with a wire lead seal to prevent unauthorized removal.

The unit supports direct integration into most DCS and SCADA systems. Supports DNP 3.0, Modbus RTU, and Modbus TCP/IP. The grounding of the machine meets the anti-jamming ability of C37.90 electromagnetic interference, SWC,RFI interference.

SR489-P1-LO-A20-E GE 发电机管理继电器