Alstom MiCOM P846, Technical Manual

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P846/EN PL/D Programmable Logic
(PL) 7-12
MiCOM P846
PL
1.7 Description of logic nodes
DDB No. English Text Source Description
0 Output Label 1 (settable) Output Conditioner
Signal which shows the state of output relay 1
(0 = de-energized, 1 = energized)
1 - 31
Output Label 2 … 32
(settable)
Output Conditioner
Signal which shows the state of output relay 2 to 32
(0 = de-energized, 1 = energized)
32 Opto Label 1 (settable) Opto Input
Signal which shows the state of opto input 1
(0 = de-energized, 1 = energized)
33 - 55
Opto Label 2 … 31
(settable)
Opto Input
Signal which shows the state of opto input 2 to 32
(0 = de-energized, 1 = energized)
56 - 63 Reserved
64 LED 1 Output Conditioner
Signal which shows the state of programmable LED 1
(0 = Off; 1 = On)
65 - 71 LED 2 … 8 Output Conditioner
Signal which shows the state of programmable LED 2
to 8. (0 = Off; 1 = On)
72 LED Cond IN 1 PSL Input to LED Output Condition 1
73 - 79 LED Cond IN 2 … 8 PSL Input to LED Output Condition 2 to 8
80 - 95 Reserved
95 Relay Cond. 1 PSL Input to Relay Output conditioner 1
96 - 127 Relay Cond. 2 … 32 PSL Input to Relay Output conditioner 2 to 32
104 LED Cond. IN 1 PSL Input to programmable LED conditioner 1
105 - 111 LED Cond. IN 2 … 8 PSL Input to programmable LED conditioner 2 to 8
128 Timer in 1 PSL Input to Auxiliary Timer 1
129 - 143 Timer in 2 … 16 PSL Input to Auxiliary Timer 2 to 16
144 Timer out 1 Auxiliary Timer Output from Auxiliary Timer 1
145 - 159 Timer out 2 … 16 Auxiliary Timer Output from Auxiliary Timer 2 to 16
160 Control Input 1 Control Input Command
Control Input 1 - for SCADA and menu commands into
PSL
161 - 191 Control Input 2 … 32 Control Input Command
Control Input 2 to 32 - for SCADA and menu
commands into PSL
192 - 255 Reserved
256 SG-opto Invalid Group Selection
Setting group selection opto inputs have detected an
invalid (disabled) settings group
257 Prot'n. Disabled Commissioning Test
Protection disabled - typically out of service due to test
mode
258 VT Fail Alarm VT Supervision
VTS Indication alarm- failed VT (fuse blow) detected
by VT supervision
259 |Reserved
260 CVT Alarm CVT Logic
CVT indication alarm active when the Vp or Vn voltage
has fallen below the set threshold.
261 CB Fail Alarm CB Fail Circuit Breaker Fail Alarm
262 - 268 Reserved
269 CB Status Alarm CB Status
Indication of problems by Circuit Breaker state
monitoring - example defective auxiliary contacts
270 CB Trip Fail CB Control
Circuit Breaker Failed to Trip (after a manual/operator
trip command)
271 CB Close. Fail CB Control
Circuit Breaker Failed to Close (after a
manual/operator or auto-reclose close command)
272 Man CB Unhealthy CB Control
Manual Circuit Breaker Unhealthy Output signal
indicating that the circuit breaker has not closed
successfully after a manual close command. (A
successful close also requires The Circuit Breaker
Healthy signal to reappear within the "healthy window"
timeout)