General; Functions Overview; Description; Setting Notes - Siemens SIPROTEC 7SC805 Manual

Merging unit

Table of Contents

Functions

2.1 General

2.1

General

You can edit the function parameters via the DIGSI user interface. Some parameters can also be changed by

using the Web Monitor. The procedure is set out in the SIPROTEC System Description.

2.1.1

The MU device 7SC805 features sampling functions and auxiliary functions. The hardware and firmware are

tailored to these functions. Additionally, the control functions can be matched to the system requirements. Fur-

thermore, individual functions can be enabled or disabled during configuration, or the interaction of functions

can be modified.

Setting the Scope of Functions

The available general functions can be configured as Enabled or Disabled. For some functions, there is a choice

between several alternatives possible, as described below.

Functions configured as Disabled are not processed in the 7SC805, there are no indications and the associated

setting parameters (functions, limiting values) are not available.

Note

Available functions and default settings depend on the ordered variant of the relay (see A.1 for details).

Setting the Functional Scope

The MU device 7SC805 is configured by using the DIGSI software. To do so, depending on the device version

(order variant), you can connect your personal computer to :

- The USB interface on the top side of the device

- Port F on the side of the device

Operation using DIGSI is explained in the SIPROTEC 4 System Description/1/.

The Device Configuration dialog box allows you to adjust your device to the specific system conditions.

Password no. 7 is required (for parameter set) for changing configuration parameters in the device. Without the

password, the settings can only be read but not edited and transmitted to the device.

SIPROTEC, 7SC805, Manual

C53000-G1140-C380-1, Release date 05.2014

Table of Contents