
34
Rockwell Automation Publication 825-UM004D-EN-P - November 2012
Chapter 3
Front Panel Operation
The display changes for the following relay conditions in the order of precedence
(see Table 3):
•
Status failure
•
Trip condition time to trip (if under 10000 seconds)
•
Warning
•
Lockout start request
•
Emergency start in progress
Front Panel Automatic
Messages
The relay displays automatic messages under the conditions described in Table 3.
Front Panel Messages
Each time the relay trips, it automatically displays a front-panel message and the
Trip LED illuminates. If a trip occurs during a critical alarm status condition, the
Trip LED flashes (see
).
Trip message
The Trip message describes the type of trip that occurred:
Table 3 - Front Panel Automatic Messages
Condition
Front Panel Message
Relay detecting any failure
Displays the type of latest failure (see
Relay trip has occurred
Displays the type or cause of the trip. (See the list of the types of Trip
messages under the heading Front Panel Messages.
Motor running overload
Displays the predicted time to thermal element trip in seconds.
Relay alarm condition has
occurred
Displays the type of alarm (see Alarm or Warning Messages).
When a start is requested during
a lockout condition
Displays the type of lockout condition (see Lockout Messages).
Control input set to
disable protection
Displays “Protect Disabled By Control Input”.
During emergency start
Displays “Emergency Start”.
•
Overload Trip
•
Locked Rotor Trip
•
Undercurrent Trip
•
Jam Trip
•
Current Imbalance Trip
•
Short Circuit Trip
•
Ground Fault Trip
•
Speed Switch Trip
•
Undervoltage Trip
•
Overvoltage Trip
•
Underpower Trip
•
Power Factor Trip
•
Reactive Power Trip
•
Phase Reversal Trip
•
Underfrequency Trip
•
Overfrequency Trip
•
RTD Trip
•
PTC Trip
•
Start Time Trip
•
RTD Fail Trip
•
PTC Fail Trip
•
Comm Idle Loss Trip
•
Remote Trip
•
Comm Fail Trip
Содержание 825-P
Страница 1: ...Modular Protection System for Motors Catalog Number 825 P User Manual...
Страница 4: ...4 Rockwell Automation Publication 825 UM004D EN P November...
Страница 44: ...44 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 3 Front Panel Operation...
Страница 64: ...64 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 5 Using MPS Explorer...
Страница 104: ...104 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 6 Configuring Protection Logic Functions...
Страница 130: ...130 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 9 825 PDN DeviceNet Communication Card...
Страница 182: ...182 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 12 ASCII Serial Communications...
Страница 186: ...186 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 13 Firmware Upgrade Instructions...
Страница 234: ...234 Rockwell Automation Publication 825 UM004D EN P April 2012 Chapter B ParameterList...
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