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

Chapter 17 - Communications
The following commands are still allowed:
Read settings, statuses, measurands
●
● Read records (event, fault, disturbance)
Time Synchronisation
●
Change active setting group
●
7.3

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
●
7.4

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)
●
7.5

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.
396
P14D
P14D-TM-EN-8