Alstom MiCOM P546 - 1.4.7 Communications settings; 1.4.7.1 Communications settings for courier protocol

Settings P54x/EN ST/La4
MiCOM P543, P544, P545, P546
(ST) 4-79
ST
Menu text Default settings Available settings
MEASUREMENT SETUP
Distance Unit* km km/miles
This setting is used to select the unit of distance for fault location purposes, note that the
length of the line is preserved when converting from km to miles and vice versa.
Fault Location* Distance Distance/Ohms/% of Line
The calculated fault location can be displayed using one of several options selected using
this setting
Remote2 Values Primary Primary or Secondary
The setting defines whether the values measured via the 2 Rear Communication port are
displayed in primary or secondary terms.
nd
1.4.7 C
T set y to the rear only and will depend
u A
C
1.4.7.1 C ngs for courier protocol
Setting ra
nge
ommunications settings
he co
mmunications tings appl communications ports
pon the particular protocol being used. Further details are given in the SCAD
ommunications chapter (P54x/EN SC).
ommunications setti
Menu text Default setting
ax.
Step size
Min. M
COMMUNICATIONS
RP1 Protocol Courier
Indicates the communic tocol that will be used on the rear communications port. ations pro
RP1 Remote Address 255 0 255 1
This cell sets the unique or the relay s y is accessed by address f uch that only one rela
master station software.
RP1 Inactivity Timer 15 mins. 1 min. 30 mins. 1 min.
This cell controls how
port before it reverts
lo y will wait wi ssages on the rear
to tate, includin ord access that was
ng the rela
its default s
thout receiving any me
g resetting any passw
enabled.
RP1 Physical Link Copper Copper, Fiber Optic or KBus
This cell defines wh
used for communica
ethe ical EIA(RS)4 s connection is being
tion the master st er Optic’ is selected,
r an electr
between
85, fiber optic or KBu
ation and relay. If ‘Fib
the optional fiber optic communications board will be required.
RP1 Port Config. KBus KBus or EIA(RS)485
This cell defines whethe lectrical KBus or EIA(RS)485 is ed for r an e being us
communication between the master station and relay.
RP1 Comms. Mode
IEC 60870 FT1.2
Frame
IEC 60870 FT1.2 Frame or
10-Bit No Parity
The choice is either IEC 60870 FT1.2 for normal operation with 11-bit modems, or 10-bit
no parity.
RP1 Baud Rate 19200 bits/s 9600 bits/s, 19200 bits/s or 38400 bits/s
This cell controls the communication speed between relay and master station. It is
important that both relay and master station are set at the same speed setting.