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1MRS 751107-MUM
Protection Relay
Operator’s Manual
REX 521
4.3. Function block test
The outputs (Start and Trip) of a function block can be activated locally via the HMI
or externally via serial communication. This is possible without setting the relay in
test mode as described in “Test mode” on page 27. The outputs are activated by
using control parameters of the function. For more information about the functions,
refer to the CD-ROM
Technical Descriptions of Functions (see “Related documents”
on page 6).
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