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Blockings
M13446-50 v4
The blocking states for position indications and commands are intended to provide the possibility
for the user to make common blockings for the functions configured within a complete bay.
The blocking facilities provided by the bay control function are the following:
•
Blocking of position indications, BL_UPD. This input will block all inputs related to apparatus
positions for all configured functions within the bay.
•
Blocking of commands, BL_CMD. This input will block all commands for all configured
functions within the bay.
•
Blocking of function, BLOCK. If the BLOCK signal is set, it means that the function is active,
but no outputs are generated, no reporting, control commands are rejected and functional
and configuration data is visible.
The switching of the Local/Remote switch requires at least system operator level. The password
will be requested at an attempt to operate if authority levels have been defined in the IED.
Otherwise the default authority level, SuperUser, can handle the control without LogOn. The users
and passwords are defined with the IED Users tool in PCM600.
14.3.5
Local/Remote switch LOCREM, LOCREMCTRL
IP16319-1 v2
M17086-3 v8
The signals from the local HMI or from an external local/remote switch are connected via the
function blocks LOCREM and LOCREMCTRL to the Bay control QCBAY function block. The
parameter
ControlMode in function block LOCREM is set to choose if the switch signals are
coming from the local HMI or from an external hardware switch connected via binary inputs.
14.3.5.1
Function block
M17088-3 v3
IEC05000360-2-en.vsd
LOCREM
CTRLOFF
LOCCTRL
REMCTRL
LHMICTRL
OFF
LOCAL
REMOTE
VALID
IEC05000360 V2 EN-US
Figure 433: LOCREM function block
IEC05000361-2-en.vsd
LOCREMCTRL
PSTO1
PSTO2
PSTO3
PSTO4
PSTO5
PSTO6
PSTO7
PSTO8
PSTO9
PSTO10
PSTO11
PSTO12
HMICTR1
HMICTR2
HMICTR3
HMICTR4
HMICTR5
HMICTR6
HMICTR7
HMICTR8
HMICTR9
HMICTR10
HMICTR11
HMICTR12
IEC05000361 V2 EN-US
Figure 434: LOCREMCTRL function block
1MRK 502 066-UUS B
Section 14
Control
833
Technical manual
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