Iec 61850 Protocol Blocking; Read-Only Settings; Read-Only Ddb Signals - GE MiCOM P40 Agile Technical Manual

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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.
P14xEd1-TM-EN-1
Chapter 18 - Communications
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