HWg-PWR 3 / 12 / 25 MANUAL
HW group
September 2013
page 6
Description of connectors and connections
LED indicators
Power (green) – lights up when the device is powered.
Alarm (red) – lights up whenever a monitored variable is in alarm.
M-Bus (blue) – flashes whenever M-Bus communication takes place.
Status (green) – HWg-PWR status.
o
Solid on – HWg-PWR is in regular operation.
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Slowly flashing – HWg-PWR is starting up.
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Rapid flashing – firmware is being uploaded.
Link (amber) – flashes whenever communication takes place over the Ethernet
interface.