Control-based protection – Rockwell Automation 592- E300 Overload Relay User Manual User Manual
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Rockwell Automation Publication 193-UM015B-EN-P - June 2014
Chapter 5 Protective Trip and Warning Functions
I
Control-Based Protection
The E300 Electronic Overload Relay provides a number of control-based
protection functions including:
•
Test Trip
•
Operator Station Trip
•
Remote Trip
•
Start Inhibit
•
Preventive Maintenance
•
Configuration Trip
•
Option Match Trip/Warning
•
Expansion Bus Trip/Warning
•
Non Volatile Storage Trip
•
Test Mode Trip
Control Trip Enable (Parameter 186) and Control Warning Enable (Parameter
192) are used to enable the respective control based protective trip and warning
functions.
Table 196 - Control Trip Enable (Parameter 186)
IMPORTANT
The Over Power Factor Leading Warning function does not include a time delay
feature. Once the Over Power Factor Leading Inhibit Time has expired, the Over
Power Factor Leading Warning indication is instantaneous.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Function
X
Test Trip Enable
X
PTC Trip Enable
X
DeviceLogix Trip Enable
X
Operator Station Trip Enable
X
Remote Trip Enable
X
Blocked Start Trip Enable
X
Hardware Fault Trip Enable
X
Configuration Trip Enable
X
Option Match Trip Enable
X
Feedback Timeout Trip Enable
X
Expansion Bus Trip Enable
Reserved
Reserved
X
Non-Volatile Memory Trip Enable
X
Test Mode Trip Enable
Reserved