F8652E industrial automation control module DCS PLC system

F8652E industrial automation control module DCS PLC system

Technical data of product parameters

Al F8652 protection functions can directly excite the tripping relays. A
tripping logic matrix is provided for this purpose, which enables
any function to be connected to any tripping channel. A tripping
channel can be activated by any number of protection functions.
A RE. 216 scheme is equipped with a maximum of six 216DB61
units corresponding to 48 tripping circuits.
Tripping signals can be processed by other protection functions.The RE. 216 protection system can be set to operate at a power
system frequency fN of either 50 Hz or 60 Hz. The algorithms
representing the protection functions have been optimised to
produce the best results at the rated frequency fN. Deviation
from the rated frequency cause an additional error.
The O/P of the frequency function can be used to block other
protection functions in the event of excessive frequency variation.The relay configuration only has to be entered when making
settings ‘off-line’ or when the hardware or software of the F8652
RE. 216 scheme has to be changed. The configuration does not
have to be entered when making settings ‘on-line’.
The corresponding parameters are to be found in the sub-menu
“Relay configuration” of the “Change hardware functions” menu.
The units fitted in a rack, the rated frequency, the software key
and the type designation for a particular application are entered
under “Relay configuration”.A separate reference value can be entered for every c.t./v.t. F8652
channel. They enable the rated voltages and currents and also
small differences of the primary system c.t’s and v.t’s to be compensated. Note that three-phase voltages (or currents) assume
the value of the R phase channel.
Apart from being processed internally, the analogue values
measured by the RE. 216 protection functions can also be
viewed externally as:

a value: F8652
The input variables measured by the protection functions can
be accessed and displayed on the VDU of the control unit
(personal computer). Their values are generally referred to
the secondary voltages and currents at the input of the
RE. 216 scheme.

a recorded event:
The instant a protection function trips, the value of the corresponding measured variable is recorded as an event

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This article from the temporal Ming sheng automation equipment co., LTD.,

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