Programmable Logic P54x/EN PL/La4
MiCOM P543, P544, P545 & P546
(PL) 7-41
PL
DDB no. English text Source Description
1130 SignalFail Ch2Rx C Diff
Reception of messages on channel 2 has
stopped
1131 SignalFail Ch2Tx C Diff
Transmission of messages on channel 1 has
stopped
1132 Ch 2 GPS Fail C Diff
It indicates that GPS sampling synchronization
(for protection purposes) running on channel 2
is lost
1133 Ch2 Mux Clk Fiber Monitor Bits
This is an alarm that appears if the channel 2
baud rate is outside the limits 52Kbis/s or
70 Kbits/s
1134 Ch2 Signal Lost Fiber Monitor Bits Mux indicates signal lost over channel 2
1135 Ch2 Path Yellow Fiber Monitor Bits
One way communication. Local relay that is
sending over Ch2 indicates that remote end is
not receiving
1136 Ch2 Mismatch RxN Fiber Monitor Bits
Indication of mismatch between InterMiCOM
64
Ch 2 setting and Mux
1137 Ch2 Timeout Fiber Monitor Bits
Indication that no valid message is received
over channel 2 during ‘Channel Timeout’
window
1138 Ch2 Degraded Fiber Monitor Bits Indicates poor channel 2 quality
1139 Ch2 Passthrough Fiber Monitor Bits
Ch2 data received via Ch 1 in 3 ended
configuration - self healing indication -
1140 to 1148 Hidden
1149 F<1 Timer Block PSL Block Underfrequency Stage 1 Timer
1150 F<2 Timer Block PSL Block Underfrequency Stage 2 Timer
1151 F<3 Timer Block PSL Block Underfrequency Stage 3 Timer
1152 F<4 Timer Block PSL Block Underfrequency Stage 4 Timer
1153 F>1 Timer Block PSL Block Overfrequency Stage 1 Timer
1154 F>2 Timer Block PSL Block Overfrequency Stage 2 Timer
1155 F<1 Start Frequency Protection Under frequency Stage 1 Start
1156 F<2 Start Frequency Protection Under frequency Stage 2 Start
1157 F<3 Start Frequency Protection Under frequency Stage 3 Start
1158 F<4 Start Frequency Protection Under frequency Stage 4 Start
1159 F>1 Start Frequency Protection Over frequency Stage 1 Start
1160 F>2 Start Frequency Protection Over frequency Stage 2 Start
1161 F<1 Trip Frequency Protection Under frequency Stage 1 Trip
1162 F<2 Trip Frequency Protection Under frequency Stage 2 Trip
1163 F<3 Trip Frequency Protection Under frequency Stage 3 Trip
1164 F<4 Trip Frequency Protection Under frequency Stage 4 Trip
1165 F>1 Trip Frequency Protection Over frequency Stage 1 Trip
1166 F>2 Trip Frequency Protection Over frequency Stage 2 Trip
1167 Inhibit F<1 PSL Inhibit stage 1 Under frequency protection
1168 Inhibit F<2 PSL Inhibit stage 2 Under frequency protection
1169 Inhibit F<3 PSL Inhibit stage 3 Under frequency protection
1170 Inhibit F<4 PSL Inhibit stage 4 Under frequency protection
1171 Inhibit F>1 PSL Inhibit stage 1 Over frequency protection
1172 Inhibit F>2 PSL Inhibit stage 2 Over frequency protection
1173 to 1175 Not used
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