Alstom MiCOM P546 - 1.4.16 Direct access (breaker control and “hotkeys”); 1.5 Disturbance recorder settings (oscillography)

P54x/EN ST/La4 Settings
(ST) 4-92 MiCOM P543, P544, P545, P546
ST
1.4.16 Direct trol and “hotkeys”)
The Di keys a 1 keys situated directly below e
sign the fun ese two keys, to signal direct c PSL
logic. Two m
access (breaker con
rect Access
user may as
re the 0 and
ction of th
the LCD display. Th
ommands into the
odes of use exist:
 Tripping and Closing commands to the circuit breaker
 Hotkey functions, whereby a mini menu of frequently required commands and
operations is accessed. Operators can then easily access the required command,
without needing to navigate the full relay menu.
Menu text Default setting Setting range Step size
CONFIGURATION
Direct Access Enabled
Disabled, Enabled, Hotkey only, or CB Ctrl
Only
The front direct access keys that are used as a short cut function of
– No funct
– Only cont d to the Hotkeys are av
CB Ctrl Only – Only Control Trip/Control Close command will appea
the menu may be:
Disabled ion visible on the LCD
Enabled – All control functions mapped to the Hotkeys and Control Trip/Close are
available
Hotkey Only rol functions mappe ailable on the LCD
r on the relay’s LCD
1.5
T
Disturbance recorder settings (oscillography)
The disturbance recorder settings include the record duration and trigger position, selection
of analog and digital signals to record, and the signal sources that trigger the recording.
he DISTURBANCE RECORDER menu column is shown in the following table:
Setting range
M
Min. Max.
enu text Default setting Step size
DISTURB. RECORDER
Duration 1.5 s 0.1 s 10.5 s 0.01 s
This sets the overall recording time.
Trigger Position 33.3% 0 100% 0.1%
This sets the trigge
settings show that
r point a e of the duration. For exam
the o time is set to 1.5 s with the t
33.3% of this, giving 0.5 s pre-fault and 1s post fault recording times
s a percentag
verall recording
ple, the default
rigger point being at
.
Trigger Mode Single Single or Extended
If set to single mode, if a furthe
recorder wi
r trigge
rigger. Ho
r occurs whilst a recording is taking pla
ll ignore the t wever, if this has been set to Ext r
ce, the
ended, the post trigge
timer will be reset to zero, thereby extending the recording time.
Analog. Channel 1 VA
IA, IB, IC, IN, IN Sensitive, VA, VB, VC, IM
V Checksync (only for P543 and P545) and
IA2, IB2, IC2 , IN2, VChecksync2 (only for
P544 and P546)
Selects any available analog input to be assigned to this channel (in rived IN cluding de
residual current).