4 Protection settings
4.11 Event logging and waveform capture
34
PXR Electronic trip unit
01/21 MN012005EN
www.eaton.com
Table 16: Event codes
Event code and time stamp
Logged event
Alarm snapshot or
trip-snapshot
• Current:
•
I
L1
(IA)
•
I
L2
(IB)
•
I
L3
(IC)
•
I
G
(IG)
•
I
N
(IN)
• Voltage (only on the PXR25):
•
U
L1-L2
(VAB)
•
U
L2-L3
(VBC)
•
U
L3-L1
(VCA)
•
U
L1-N
(VAN)
•
U
L2-N
(VBN)
•
U
L3-N
(VCN)
• Power: W, var, VA (only on the PXR25)
• Energy: Wh, Varh, VAh (only on the PXR25)
• Frequency
• Power factor
• Operations counter
User waveform or
alarm waveform
Waveform of:
•
I
L1
(IA)
•
I
L2
(IB)
•
I
L3
(IC)
•
I
G
(IG)
•
I
N
(IN)
Waveform (only on the PXR25) of:
•
U
L1-L2
(VAB)
•
U
L2-L3
(VBC)
•
U
L3-L1
(VCA)
•
U
L1-N
(VAN)
•
U
L2-N
(VBN)
•
U
L3-N
(VCN)
1 cycle (64 data points)
Trip waveform
Waveform of:
•
I
L1
(IA)
•
I
L2
(IB)
•
I
L3
(IC)
•
I
G
(IG)
•
I
N
(IN)
Waveform (only on the PXR25) of:
•
U
L1-L2
(VAB)
•
U
L2-L3
(VBC)
•
U
L3-L1
(VCA)
•
U
L1-N
(VAN)
•
U
L2-N
(VBN)
•
U
L3-N
(VCN)
6 cycles (384 data points)
￫
To use event logging in all operating states, an external power
supply is required.
