(1) Description of Operation 7SR224
Page 64 of 66 ©2009 Siemens Protection Devices Limited
6.6 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>RELAY MODE setting, a Binary Input or Command
Table 6-1 Operation Mode
OPERATION REMOTE MODE LOCAL MODE SERVICE MODE
Control
Rear Ports Enabled Disabled Disabled
Fascia (Control Mode) Disabled Enabled Disabled
USB Disabled Enabled Disabled
Binary Inputs Setting Option Setting Option Enabled
Binary Outputs Enabled Enabled Disabled
Reporting
Spontaneous
IEC Enabled Enabled Disabled
DNP Enabled Enabled Disabled
General Interogation
IEC Enabled Enabled Disabled
DNP Enabled Enabled Disabled
MODBUS Enabled Enabled Enabled
Changing of Settings
Rear Ports Enabled Disabled Enabled
Fascia Enabled Enabled Enabled
USB Disabled Enabled Enabled
Historical Information
Waveform Records Enabled Enabled Enabled
Event Records Enabled Enabled Enabled
Fault Information Enabled Enabled Enabled
Setting Information Enabled Enabled Enabled
6.7 CONTROL MODE
This mode provides convenient access to commonly used relay control and test functions. When any
of the items listed below 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.
Control Mode commands could be password protected using the Control Password function – see
section 6.8.
Commands available in the Control Mode are:
Open CB
Close CB
79 In/Out
79 Trip and Reclose
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