Modbus Communication Wiring ........................................18
RS485 for Modbus RTU Communication ......................18
CAT5e Ethernet for Modbus TCP Communication ......20
AlsoEnergy Modbus Address Standard ............................20
Connecting to the Internet ................................................22
Optional Cellular Modem.................................................22
Building or Site Internet –No Modem..........................23
Installation Personnel
Installation and maintenance of the communications enclosure should
only be performed by qualified, competent personnel who have
appropriate training and experience with high voltage and current
devices. The communications enclosure must be installed in accordance
with all Local and National Electrical Safety Codes.
WARNING
Failure to observe the following may result in severe injury or death:
•Keep these instructions.
•There are no user serviceable parts inside. Refer service
to an authorized service person.
•During normal operation of this device, hazardous voltages
are present on the input terminals of the devices and
throughout the connected power lines. With their primary
circuit energized, current transformers (CTs) may generate
high voltage when their secondary windings are open.
Follow standard safety precautions while performing any
installation or service work (i.e. remove line/ PT fuses,
short CT secondaries, etc.).
