10
Connecting the Combiner Box
3.7
For details about system commissioning, see
SmartACBox 10-In 1-Out
Smart AC Combiner Box Quick Guide, which can be obtained by
scanning the QR code.
Connect the RS485 communications cable of an external device to the RS485-1 or RS485-2 port
on the JX01 terminal block.
No.
Port on the JX01 Terminal Block
Definition
1
RS485-1(+)_COM1(+)
RS485-1, RS485 differential
2
RS485-1(-)_COM1(-)
RS485-1, RS485 differential signal–
3
RS485-2(+)_COM2(+)
RS485-2, RS485 differential
4
RS485-2(-)_COM2(-)
RS485-2, RS485 differential signal–
1. Prepare an RS485 communications cable.
The RS485 communications cable and single-phase power cable share a ground point.
Insulate the shielding layer of the RS485
communications cable that is connected to the
ground point in the chassis.
2. Connect the RS485 communications cable to the JX01 terminal block.
SUN2000-4.95KTL-NHL2
Cascading Scenario
3.7.1
Connecting the RS485 Communications Cable
