A4RADR
A2RADR
A1RADR
SMAI
AI1
AI2
AI3
AI4
AI3P
AI1NAME
AI2NAME
AI3NAME
GRPNAME
AI4NAME
GRPINPUT1
GRPINPUT2
GRPINPUT3
GRPINPUT4
GRPINPUT5
GRPINPUT6
...
A3RADR
INPUT21
INPUT22
INPUT23
INPUT24
INPUT25
INPUT26
...
INPUT30
Internal analog signals
External analog
signals
AIN
GUID-ECD1F42C-23E5-4B0A-953A-CC6D9FDA1C27 V1 EN
Figure 44:
Analog input function blocks
The external input signals are acquired, filtered and skewed, and after configuration
available as an input signal on the AxRADR function block via the SMAI function
block. The information is saved at the disturbance report base sampling rate (1000 or
1200 Hz). Internally calculated signals are updated according to the cycle time of the
specific function. If a function is running at lower speed than the base sampling rate,
th disturbance recorder uses the latest updated sample until a new updated sample is
available.
Application Configuration tool is used for analog configuration of the disturbance
report.
The SMAI function block calculates the residual quantities in cases where only the
three phases are connected (AI4-input not used). SMAI makes the information
available as a group signal output, phase outputs and calculated residual output (AIN-
output). In situations where AI4-input is used as an input signal the corresponding
information is available on the non-calculated output (AI4) on the SMAI function
block. Connect the signals to the AxRADR accordingly.
For each of the analog signals,
Operation Ch
= "On" means that it is recorded by the
disturbance recorder. The trigger is independent of the setting of
Operation Ch
, and
triggers even if operation is set to "Off". Both undervoltage and overvoltage can be
used as trigger conditions. The same applies for the current signals.
If
Operation Ch
= "Off", no waveform (samples) are recorded and reported in graph.
However, the trip value, pre-fault and fault value are recorded and reported. The input
channel can still be used to trig the disturbance recorder.
1MRS757256 F
Section 3
Basic functions
PML630/Compact Load-Shedding Solution
81
Technical Manual
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