Rs232 Port - GE Multilin 469 Instruction Manual

Motor management relay
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CHAPTER 4: INTERFACES
4.1.4

RS232 Port

469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
diagnostic messages from the normally displayed messages, press the
until the following message is displayed.
Now, press the
MESSAGE
messages. Note that diagnostic messages for alarms disappear with the condition
while diagnostic messages for trips remain until cleared by a reset.
Motor Status LED Indicators
• STOPPED: The motor is stopped based on zero phase current and starter status
auxiliary contact feedback.
• STARTING: Motor is starting.
• RUNNING: Motor is running normally below overload pickup level.
• OVERLOAD: Motor is running above overload pickup.
• UNBALANCE PICKUP: Level of current unbalance has exceeded the unbalance
alarm or trip level.
• GROUND PICKUP: Level of ground current has exceeded the ground fault alarm or
trip level.
• HOT RTD: One of the RTD measurements has exceeded its RTD alarm or trip level.
• LOSS OF LOAD: Average motor current has fallen below the undercurrent alarm or
trip level; or power consumption has fallen below the underpower alarm or trip
level.
Output Relay LED Indicators
1 TRIP: The 1 TRIP relay has operated (energized).
2 AUXILIARY: The 2 AUXILIARY relay has operated (energized).
3 AUXILIARY: The 3 AUXILIARY relay has operated (energized).
4 ALARM: The 4 ALARM relay has operated (energized).
5 BLOCK START: The 5 BLOCK START relay has operated (energized).
6 SERVICE: The 6 SERVICE relay has operated (de-energized, 6 SERVICE is failsafe,
normally energized).
This port is intended for connection to a portable PC. Settings files may be created at any
location and downloaded through this port with the EnerVista 469 Setup software. Local
interrogation of settings and actual values is also possible. New firmware may also be
downloaded to the 469 flash memory through this port. Upgrading of the relay firmware
does not require a hardware EPROM change.
TARGET
MESSAGES
[ ]
key followed by the
MESSAGE
key
MENU
key to scroll through the
4–3

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