ABB REC670间隔控制继电器是一种专门设计用于电力系统中的设备，它在变电站自动化、电力设备保护、电力输电线路以及配电系统中发挥着重要作用 。REC670主要用于监测和控制电网中不同类型的间隔，例如断路器、隔离开关等，以确保电力系统的安全和可靠运行 。

REC670具有以下特点：

数字输入：具备4个DI（24VDC）。

数字输出：具备2个DO（24VDC）。

提供2个串行端口，其中COM2可以是RS232或RS485。

设备尺寸为165 x 102 x 23毫米 。

REC670智能微机保护装置为开关设备（AIS/GIS）及各种接线方式的开关设备提供了用户自定义或预配置的控制方案。用户可以根据自己的需要选择完全自由的功能，或者使用已经预配置的基本功能，这些功能已经选择并配置在装置里，使得REC670只需进行简单的操作即可投入使用 。

此外，REC670还具备变压器分接头自动调节（AVC）功能，如果站内变压器保护未配置相应的自动电压控制功能，可以不用安装专门的电压控制设备 。装置对出口继电器状态持续监视，有错误就会发出报告，确保控制的高度安全性，避免不必要的操作 。

在电力系统中，REC670 1MRK002814-AC设备有助于识别和管理工作紧密相关的间隔，从而最小化对变电站其余部分的影响。同时，该设备支持分布式智能电子设备（IED）的控制架构，通过GOOSE消息和全站范围内的联锁与垂直客户端服务器MMS通信，为电力系统提供高可靠性和性能的解决方案 。

The ABB REC670 interval control relay is a device specifically designed for use in power systems, where it plays an important role in substation automation, power equipment protection, power transmission lines, and distribution systems. REC670 is mainly used to monitor and control different types of intervals in the power grid, such as circuit breakers, isolation switches, etc., to ensure the safe and reliable operation of the power system.

REC670 has the following features:

Digital input: 4 DI (24VDC).

Digital output: With 2 DO (24VDC).

2 serial ports available, COM2 can be RS232 or RS485.

The device size is 165 x 102 x 23 mm.

The REC670 intelligent microcomputer protection device provides customized or pre-configured control solutions for switchgear (AIS/GIS) and switchgear with various wiring modes. Users can choose completely free functions according to their needs, or use pre-configured basic functions that have been selected and configured in the device, so that the REC670 can be put into use with simple operations.

In addition, the REC670 also has automatic transformer tap regulation (AVC) function, if the transformer protection in the station is not equipped with the corresponding automatic voltage control function, you can not install a special voltage control equipment. The device continuously monitors the status of the outlet relay and reports any errors to ensure a high level of control security and avoid unnecessary operations.

In the power system, the REC670 1MRK002814-AC device helps to identify and manage intervals where work is closely related, thereby minimizing the impact on the rest of the substation. At the same time, the device supports the control architecture of distributed intelligent electronic Devices (IEDs) and communicates with the vertical client server MMS via GOOSE messaging and site-wide interlocking, providing a highly reliable and performance solution for the power system.