Name
Range
Step
Default
Description
f
measurement
from
0: Not
measurable
1: Avg Ref 1
2: Avg Ref 2
3: Avg Ref 3
4: Track Ref 1
5: Track Ref 2
6: Track Ref 3
7: Fast Ref 1
8: Fast Ref 2
9: Fast Ref 3
-
-
Displays which reference is used for frequency measurement.
SS1.meas.frqs
0.000…75.000Hz 0.001Hz -
Displays frequency used by "system set" channel 1 and 2.
SS2.meas.frqs
SS1f
meas.from
0: Not
measurable
1: Fast Ref U3
2: Fast Ref U4
-
-
Displays which voltage channel frequency reference is used by
"system set" voltage channel.
SS2f
meas.from
0: Not
measurable
1: Fast Ref U4
-
-
Displays if U4 channel frequency reference is measurable or
not when the channel has been set to "system set" mode.
5.3 Protection functions
5.3.1 General properties of a protection function
The following flowchart describes the basic structure of any protection function. The basic structure is
composed of analog measurement values being compared to the pick-up values and operating time
characteristics.
A
AQ
Q-M210
-M210
Instruction manual
Version: 2.04
67