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4. Communication Ports
4.1 Standard Communication Ports
4.1.1 RS485 communication port definition
The RS-485 communication port setting is shown
as follows:
Baud rate
9600 bps
Data length
8 bits
Stop bit
1
Parity
None
Pin definitions for RS-485:
4.1.2 EPO (Emergency Power Off) RJ45
Connector
User can short-circuit Pin 4 and Pin 5 to force the PV
inverter shutdown immediately.
Note
:
Make sure the wiring of the RJ45 connector is
correct.
EPO is intended for system emergency power off.
The operating PV inverter can be stopped
immediately and remains in standby mode. by
shorting the circuit with the pins which specified in
the right figure.
PIN 1
:
Reserve
PIN 2
:
Reserve
PIN 3
:
485 GND
PIN 4
:
EPO GND
PIN 5
:
EPO
PIN6
:
Reserve
PIN 7
:
485 A/Data+
PIN 8
:
485 B/Data-
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4.2 Optional Communication Interface Card
4.2.1 Hardware Installation Instructions
CAUTION:
Risk of electric shock!
Please disconnect the DC circuit breaker and AC
circuit breaker first, and make sure the PV inverter is
powered off. Follow the steps and the figures below to
install the communication interface card.
Insert the communication
interface card into the slot
and wiring it properly.
Remove the 4 screws on the
waterproof lid.
Summary of Contents for EnerSolis ES3000T
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