Alstom MiCOM P54 Series - Page 717

Measurements and Recording P54x/EN MR/La4
MiCOM P543, P544, P545 & P546
(MR) 8-9
MR
Setting range
Menu text Default setting
Min. Max.
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 trigger point as a percentage of the duration. For example, the default
settings show that the overall recording time is set to 1.5 s with the trigger point being at
33.3% of this, giving 0.5 s pre-fault and 1 s post fault recording times.
Trigger Mode Single Single or Extended
If set to single mode, if a further trigger occurs whilst a recording is taking place, the
recorder will ignore the trigger. However, if this has been set to Extended, the post trigger
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 (for all P54x) and IA2, IB2,
IC2, VChecksync2 (only for P544 and
P546)
Selects any available analog input to be assigned to this channel (including derived IN
residual current).
Analog. Channel 2 VB As above
Analog. Channel 3 VC As above
Analog. Channel 4
A
As above
Analog. Channel 5
B
As above
Analog. Channel 6
C
As above
Analog. Channel 7
N
As above
Analog. Channel 8 IN Sensitive As above
Analog. Channel 9 V Checksync As above
Analog. Channel 10
N
As above
Analog. Channel 11
N
As above
Analog. Channel 12
N
As above
Digital Inputs 1 to 32
Relays 1 to 14(32)
and
Opto’s 1 to 16 (24, or 32)
Any O/P Contact, Any Opto Inputs, or
Internal Digital Signals
The digital channels may monitor any of the opto isolated inputs or output contacts, in
addition to a number of internal relay digital signals, such as protection starts, LEDs etc.
Inputs 1 to 32 Trigger
No Trigger except
Dedicated Trip
Relay 3 operation
which are set to
Trigger L/H
No Trigger, Trigger L/H, Trigger H/L
Any of the digital channels may be selected to trigger the disturbance recorder on either a
low to high or a high to low transition.
Analog. Channel 9 V Checksync As above
Analog. Channel 10
M (P543/5)
IA2 (P544/6)
As above