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PowerLogic™ PM5500 series user manual Chapter 2—Hardware reference
HRB1684301-01 17
You cannot configure this LED for other purposes.
Ethernet communications LEDs
The Link LED blinks to indicate the speed at which data is being transmitted or
received. The Act (active) LED indicates the meter is communicating through the
Ethernet port.
You cannot configure these LEDs for other purposes.
Before you begin
Carefully read and follow the safety precautions before working with the meter.
Safety precautions
Installation, wiring, testing and service must be performed in accordance with all local
and national electrical codes.
1. Turn off all power supplying this device before working on it.
2. Always use a properly rated voltage sensing device to confirm that all power is off.
Meter mounting
This section describes how to mount the meter.
NOTICE
UNINTENDED EQUIPMENT OPERATION
A heartbeat LED that remains lit and does not blink (or flash) indicates a hardware
problem. In this case, power down the meter and reapply power. If the LED still does
not blink or flash, contact Technical Support.
Failure to follow these instructions may render your device inoperable.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe electrical
work practices. See NFPA 70E in the USA or applicable local standards.
• Turn off all power supplying this device before working on it.
• Always use a properly rated voltage sensing device to confirm that all power is off.
• Do not exceed the device’s ratings for maximum limits.
• Always use grounded external CTs for current inputs.
Failure to follow these instructions will result in death or serious injury.