Trip snapshot, Trip snapshot group – Rockwell Automation 193-EC4 EC4 Current Monitoring Relay User Manual User Manual

Page 94

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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:

15 14 13 12 11 10 9

8

7

6

5

4

3

2

1

0

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

X

PM Starts

X

PM 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

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