User Manual
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Step 3
According to the position of the inverter (refer to the prior section), repeat
step 1…2 to connect the other RS485 cables.
Step 4
Pull cables outwards to confirm whether they are fastened firmly.
Step 5
According to the position of the inverter (refer to the prior section) switch ON
or OFF the terminating resistor.
Step 6
Tighten the tread-lock sealing lock. Block off the vacant terminals to protect
the inverter’s internal from dust and moisture.
Step 7
Seal the gaps between the communication cable and the gland inside the
lower part of the cabinet by fireproofing mud.
Step 8
If there is no other connection procedure, recover and fix the front cover of
the connection cabinet.
Step 9
Now perform RS485 communication connection as the diagram shown
above. Connect the other end of cable to other devices. Communication
terminal definition is referred to device manual.
Step 10
Verify the communication connection and configure the
communication parameters.
If there is more than one inverter to communicate with a PC or a data
logger, it is crucial to configure the communication parameters of each
inverter. See “10.12 Communication Parameters Setting”.
Logger 3000 is optional parts and can be ordered from Sungrow.
