Rockwell Automation Publication 193-UM015D-EN-P - February 2015
231
Protective Trip and Warning Functions
Chapter 6
Table 282 - Over kVA Trip Level (Parameter 408)
Over kVA Warning
The E300 Electronic Overload Relay indicates an Over kVA warning if:
•
No warning currently exists
•
Over kVA Warning is enabled
•
Current is present
•
Voltage is present
•
Over kVA Inhibit Time has expired
•
The total apparent power (kVA) is equal to or greater than the Over kVA
Warning Level
When the Over kVA Warning conditions are satisfied, the:
•
TRIP/WARN LED flashes a yellow 2-long / 8-short blink pattern
•
Bit 7 in Power Warning Status (Parameter 12) sets to 1
•
Bit 1 in Device Status 0 (Parameter 20) sets to 1
•
Any relay outputs configured as a Warning Alarm close
Over kVA Warn Level
Over kVA Warn Level (Parameter 409) allows you to define the apparent power
(kVA) at which the E300 Electronic Overload Relay indicates a warning. It is
user-adjustable from 0…2,000,000 kVA.
Table 283 - Over kVA Warn Level (Parameter 409)
Default Value
0.000
Minimum Value
0.000
Maximum Value
2,000,000.000
Parameter Type
DINT
Size (Bytes)
4
Scaling Factor
1000
Units
kVA
IMPORTANT
The Over kVA Inhibit Time starts after a phase voltage transitions from 0V to
20V L-L and a phase of load current transitions from 0 A to 30% of the
minimum FLA setting of the device. The E300 Electronic Overload Relay does
not begin monitoring for an over apparent power (kVA) condition until the
Over kVA Inhibit Time expires.
Default Value
0.000
Minimum Value
0.000
Maximum Value
2,000,000.000
Parameter Type
DINT
Size (Bytes)
4
Scaling Factor
1000
Units
kVA
Содержание Allen-Bradley E300
Страница 1: ...E300 Electronic Overload Relay Bul 193 592 User Manual...
Страница 124: ...124 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 4 System Operation and Configuration Notes...
Страница 128: ...128 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 5 Operating Modes...
Страница 292: ...292 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 6 Protective Trip and Warning Functions...
Страница 304: ...304 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 7 Commands Notes...
Страница 372: ...372 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 8 Metering and Diagnostics...
Страница 460: ...460 Rockwell Automation Publication 193 UM015D EN P February 2015 Appendix A Specifications Notes...
Страница 501: ...Rockwell Automation Publication 193 UM015D EN P February 2015 501 Parameter List AppendixB Notes...
Страница 502: ...502 Rockwell Automation Publication193 UM015D EN P November 2013 Appendix B Parameter List...
Страница 545: ......