
Rockwell Automation Publication 193-UM011A-EN-P - September 2010 95
Trip History and Snapshot Chapter 8
Trip Snapshot
The EC4 Current Monitoring Relay with firmware revision 5.01 and higher will
record up to four real time data parameters in non-volatile memory in the event
of an EC4 Current Monitoring Relay trip. This information can be used by
maintenance personnel to understand the electrical conditions of the electric
motor at the time of the trip.
Trip Snapshot Group
WarnHistory Mask
This parameter allows the user to configure
which current based protection features are
written to the five record Warning History
as outlined in the table below:
1 = Recorded
0 = Not Recorded
Parameter Number 143
Access Rule Get/Set
Data Type UINT
Object Mapping 0Fhex-8F-01
Group TripWarn History
Units —
Minimum Value 0000000000000000
Maximum Value 0111111111111111
Default Value 0111111111111111
Bit Function:
1514131211109876543210
X Ground Fault
X L1 Undercurrent
X L2 Undercurrent
X L3 Undercurrent
X L1 Overcurrent
X L2 Overcurrent
X L3 Overcurrent
X L1 Loss
X L2 Loss
X L3 Loss
X Comm Fault
X Comm Idle
X Config Fault
XPM Starts
XPM Oper Hours
Reserved
SS L1 Current
This parameter reports the value of L1
Current at the time of the last relay trip.
Parameter Number 144
Access Rule Get
Data Type INT
Object Mapping 0Fhex-90-01
Group Trip Snapshot
Units Amps
Minimum Value 0
Maximum Value 32767
Default Value —
Comentarios a estos manuales