Metering; Operating Mode; Control Mode - Siemens 7SR10 Argus Series Manual

6.4

Metering

The metering feature provides real-time data available from the relay fascia in the 'Instruments Mode' or via the
data communications interface.
The primary values are calculated using the CT ratios set in the CT/VT Config menu.
The text displayed in the relays 'Instruments Mode' associated with each value can be changed from the default
text using the Reydisp software tool.
The user can add the meters that are most commonly viewed to a 'Favourites' window by pressing 'ENTER' key
when viewing a meter. The relay will scroll through these meters at an interval set in the System Config/
Favourite Meters Timer menu.
6.5

Operating Mode

The relay has three operating modes - Local, Remote, and Out of Service. The following table identifies the
functions operation in each mode.
The modes can be selected by the following methods:
SYSTEM CONFIG > OPERATING MODE setting, a Binary Input or Command
OPERATION
Control
Rear Ports
Fascia (Control Mode)
USB
Binary Inputs
Binary Outputs
Reporting
Spontaneous
IEC
DNP
General Interrogation
IEC
DNP
MODBUS
Changing of Settings
Rear Ports
Fascia
USB
Historical Information
Waveform Records
Event Records
Fault Information
Setting Information
6.6

Control Mode

This mode provides convenient access to commonly used relay control and test functions. When any of the items
listed in the control menu are selected control is initiated by pressing the ENTER key. The user is prompted to
confirm the action, again by pressing the ENTER key, before the command is executed.
Note that a CB must be in a Closed state before an Open command will be accepted. And that a CB must be in
an Open state before a Close command will be accepted. If not, the Relay reports that the requested command is
'Interlocked'.
Note also that switching a protection function IN/OUT via the Control Menu will not change that
function's ENABLED/DISABLED setting. The Control Menu selection will over-ride the setting, however.
Control Mode commands are password protected using the Control Password function, see
©2018 Siemens Protection Devices Limited
Table 6-1 Operation Mode
REMOTE MODE
Enabled
Disabled
Disabled
Setting Option
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Disabled
Enabled
Enabled
Enabled
Enabled
7SR10 Description of Operation
LOCAL MODE OUT OF SERVICE
Disabled
Enabled
Enabled
Setting Option
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Disabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Chapter 1 Page 75 of 77
MODE
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Section 6.9.