GE Digital Energy L30, Инструкция по эксплуатации, Страница: 401 / 644

GE Multilin L30 Line Current Differential System 7-5
7 COMMANDS AND TARGETS 7.1 COMMANDS
7
be used. If both the PMU under test and the test set use the timing reference, they should be driven from the same IRIG-B
signal: either the same GPS receiver or IRIG-B generator. Otherwise, the setpoints of the test set and the PMU measure-
ments should not be compared as they are referenced to different time scales.
Figure 7–2: USING THE PMU ONE-SHOT FEATURE TO TEST SYNCHROPHASOR MEASUREMENT ACCURACY
COLLECTING SYNCHRONIZED MEASUREMENTS AD HOC :
The one-shot feature can be used for ad hoc collection of synchronized measurements in the network. Two or more PMU
can be pre-scheduled to freeze their measurements at the same time. When frozen the measurements could be collected
using EnerVista UR Setup or a protocol client.
7.1.7 SECURITY
i
PATH: COMMANDS

SECURITY
With the CyberSentry option, this setting is available to enable or disable the following commands:
• Administrator Logoff: Selecting ‘Yes’ allows the Supervisor to forcefully logoff an administrator session.
• Engineer Logoff: Selecting ‘Yes’ allows the Supervisor to forcefully logoff an engineer session.
• Operator Logoff: Selecting ‘Yes’ allows the Supervisor to forcefully logoff an operator session.
• Clear Security Data : Selecting ‘Yes’ allows the Supervisor to forcefully clear all the security logs and clears all the
operands associated with the self-tests.
 SECURITY

ADMINISTRATOR
LOGOFF: No
Range: Yes, No
Default: No
ENGINEER
LOGOFF: No
Range: Yes, No
Default: No
OPERATOR
LOGOFF: No
Range: Yes, No
Default: No
CLEAR SECURITY DATA:
Range: Yes, No
Default: No