Iec 61850 Protocol Blocking - GE MiCOM P40 Agile Technical Manual

P543i/P545i
The following commands are still allowed:
Read settings, statuses, measurands
●
● Read records (event, fault, disturbance)
Time Synchronisation
●
Change active setting group
●
8.3

IEC 61850 PROTOCOL BLOCKING

If Read-Only Mode is enabled for the Ethernet interfacing with IEC 61850, the following commands are blocked at
the interface:
All controls, including:
●
Enable/disable protection
○
○ Operate Control Inputs
CB operations (Close/Trip, Lock)
○
Reset LEDs
○
The following commands are still allowed:
Read statuses, measurands
●
Generate reports
●
● Extract disturbance records
Time synchronisation
●
Change active setting group
●
8.4 READ-ONLY SETTINGS
The following settings are available for enabling or disabling Read Only Mode.
RP1 Read Only
●
● RP2 Read Only (only for products that have RP2)
NIC Read Only (where Ethernet is available)
●
8.5 READ-ONLY DDB SIGNALS
The remote read only mode is also available in the PSL using three dedicated DDB signals:
● RP1 Read Only
RP2 Read Only (only for products that have RP2)
●
NIC Read Only (where Ethernet is available)
●
Using the PSL, these signals can be activated by opto-inputs, Control Inputs and function keys if required.
P54x1i-TM-EN-1
Chapter 22 - Communications
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