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VREC
-
-
Measurement value recorder
X
X
X
X
X
Table. 5.1 - 7. Communication protocols of AQ-F213.
FFunction packa
unction package
ge
Name
Name
A
A
B
B
C
C
D
D
EE
NTP
X
X
X
X
X
Modbus/TCP
X
X
X
X
X
Modbus/RTU
X
X
X
X
X
Modbus I/O
X
X
X
X
X
IEC 61850
X
X
X
X
GOOSE
X
X
X
X
IEC 103
X
X
X
X
X
DNP3
X
X
X
X
X
IEC 101/104
X
X
X
X
X
SPA
X
X
X
X
X
5.2 Measurements
5.2.1 Current measurement and scaling
The current measurement module (CT module, or CTM) is used for measuring the currents from
current transformers. The measured values are processed into the measurement database and they
are used by measurement and protection functions. It is essential to understand the concept of current
measurements to be able to get correct measurements.
A
AQ
Q-F213
-F213
Instruction manual
Version: 2.04
54