Issue
What do the LED's on a PM8000 meter indicate?
Product Line
PM8000 series meters
PM8240
PM8243
PM8244
Environment
PM8000 LED indicators
Resolution
There are multiple LEDs on PM8000 meters as shown below:
| A | Alarm |
| B | Status/operation |
| C | Energy Pulsing |
| D | Infrared energy pulsing |
| E | Revenue lock status |
| F | Remote display connection link |
| G | Remote display connection activity |
See below for more information about each LED:
Alarm LED
| State | Description |
|---|---|
| Off | No active alarms |
| On | Acknowledged active alarm |
| Flashing | Unacknowledged active alarm |
Status/operation LED:
| LED | Description |
|---|---|
| Off | Meter is not powered |
| Green | Normal operation |
| Red | Flashing: No communications to display On: Firmware upgrade required |
(Infrared) Energy pulsing LED:
Energy pulsing is used to help verify the energy measurement accuracy of the meter for revenue purposes.
The visible and infrared LEDs are configured by default to pulse based on energy measured by the meter.
The pulse weight (pulses per kWh) and the energy source can be configured, except in the case of the PM82401 which requires a specific pulse weight for MID compliance.
Revenue lock LED:
The revenue lock LED indicates the lock status of the meter
| State | Description |
|---|---|
| Off | The meter is not revenue locked. |
| On | The meter is revenue locked |
| Flashing | New revenue lock state is pending. Power cycle your meter to set the revenue to on or off |
Remote display connection LED:
There are two LEDs in the remote display connector that indicate the state of communications between the meter and remote display.
| LED | Description |
|---|---|
| Green (link) | On: link established. Off: no link established with the remote display. Check the connections to the remote display and DIN meter. |
| Yellow (activity) | Flashing: active communications between the meter and the remote display. Off: no communication activity. Check remote display and meter operation. |
Expansion I/O LED:
| Status LED | Off: Unpowered or no communications |
| On green: Normal operation | |
| Flashing red: Error detected | |
| Digital Input LED | Off: Digital input off |
| On: Digital input on | |
| Digital Output LED | Off: Digital output off |
| On: Digital output on | |
| Analog Input LED | Off: No valid analog input value |
| On: Valid analog input value | |
| Analog Output LED | Off: No valid analog output value |
| On: Valid analog output value |
NOTE: for more information on the PM8000, refer to the PM8000 FAQ.
Publicado para: Schneider Electric España
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