Operation, Operating principle, Led indicators – CIRCUTOR CEM-M-ETH User Manual
Page 11: Operating
4�- OPERATION
The
CEM M-ETH is designed to be used as a Ethernet port for any device in the CEM family,
using the mechanical coupling next to the optical port.
4.1.-
OPERATING
PRINCIPLE
The
CEM M-ETH is an optional accessory for electrical energy meters from the CEM range
that are mounted on DIN rails.
The
CEM M-ETH provides CEM units with Ethernet communications with the MODBUS/TCP
protocol.
Once the unit is coupled to the
CEM energy meter (See
) the
LINK LED
turns green to let the user know that the link has been made correctly.
From this point onward, the new
CEM energy meter + CEM M-ETH assembly functions as a
single device.
4.2.- LED INDICATORS
The unit has three indicator LEDs:
POWER
LINK
LINK / ACT
Figure 5:CEM M-ETH indicator LEDs
POWER LED: Indicates that the unit is connected to a power supply�
LINK LED: Indicates the status of the link with the CEM unit. (
11
Instruction Manual
CEM M-ETH