ABB Relion REC670, Applications Manual

Page: 443 / 658

Setting Values (Range) Description
MFPosDiffBk
(manually reset)
Alarm
Auto Block
In the master-follower mode, if the tap difference between
a follower and the master is greater than the set value
(setting parameter
MFPosDiffLim) then this blocking
condition is fulfilled and the outputs OUTOFPOS and
AUTOBLK (alternatively an alarm) will be set.
Setting parameters for blocking that can be set in TR1ATCC (90) or TR8ATCC (90)
under setting group Nx in PST/ local HMI are listed in table
41 .
Table 41: Blocking settings
Setting Value (Range) Description
TotalBlock (manually reset)
Enabled/Disabled
TR1ATCC (90) or TR8ATCC
(90) function can be totally
blocked via the setting
parameter
TotalBlock, which can
be set Enabled/Disabled from
the local HMI or PST. The output
TOTBLK will be activated.
AutoBlock (manually reset)
Enabled/Disabled
TR1ATCC (90) or TR8ATCC
(90) function can be blocked for
automatic control via the setting
parameter
AutoBlock, which can
be set Enabled/Disabled from
the local HMI or PST. The output
AUTOBLK will be set.
TR1ATCC (90) or TR8ATCC (90) blockings that can be made via input signals in the
function block are listed in table
42 .
Table 42: Blocking via binary inputs
Input name Activation Description
BLOCK (manually reset)
Enabled/Disabled(via binary
input)
The voltage control function can
be totally blocked via the binary
input BLOCK on TR1ATCC (90)
or TR8ATCC (90) function block.
The output TOTBLK will be
activated.
EAUTOBLK (manually reset) Enabled/Disabled(via binary
input)
The voltage control function can
be blocked for automatic control
via the binary input EAUTOBLK
on TR1ATCC (90) or TR8ATCC
(90) function block. The output
AUTOBLK will be activated.
Deblocking is made via the input
DEBLKAUT.
1MRK 511 401-UUS A
Section 14
Control
Bay control REC670 2.2 ANSI 437
Application manual