ABB Relion REC670 - Page 325

Table 34: Blocking settings
Setting Value (Range) Description
TotalBlock (manually reset) On / Off TR1ATCC or TR8ATCC function
can be totally blocked via the
setting parameter TotalBlock ,
which can be set On / Off from
the local HMI or PST. The
output TOTBLK will be
activated.
AutoBlock (manually reset) On / Off TR1ATCC or TR8ATCC function
can be blocked for automatic
control via the setting
parameter AutoBlock , which
can be set On / Off from the
local HMI or PST. The output
AUTOBLK will be set.
TR1ATCC or TR8ATCC blockings that can be made via input signals in the function block are
listed in table
35.
Table 35: Blocking via binary inputs
Input name Activation Description
BLOCK (manually reset) On / Off (via binary input) The voltage control function
can be totally blocked via the
binary input BLOCK on
TR1ATCC or TR8ATCC function
block. The output TOTBLK will
be activated.
EAUTOBLK (manually reset) On / Off (via binary input) The voltage control function
can be blocked for automatic
control via the binary input
EAUTOBLK on TR1ATCC or
TR8ATCC function block. The
output AUTOBLK will be
activated. Deblocking is made
via the input DEBLKAUT.
Blockings activated by the operating conditions, without setting or separate external
activation possibilities, are listed in table 36.
1MRK 511 358-UEN A Section 13
Control
319
Application manual