SP60/SP80 User Manual V1.3
TBB Power Co.,Ltd
26
4.4.9 Auxiliary output connection
The nominal switching capacity of auxiliary contact within SP60/80 is 30Vdc 2A /resistive
load. Please double check if the rating satisfies your system design.
The auxiliary contact output was designed to switch a low current circuit on/off.
Connecting to a high amperage device will possibly damage the equipment and it is
out of warranty.
Please connect the wire between the auxiliary communication port and the load you want to
control (normally a relay)
Please refer to chapter 5.3 for configuration.
4.4.10 Communication port connection
RS485 and CAN bus was offered
Please refer to chapter 3.2 for port definition
Do not route the communication wire in the same conduit as the DC input/output
cable.
4.5 Disconnecting the SP charge controller
Ensure both PV array and the battery was disconnected before you disconnect the
SP charge controller.
High voltage might exist within the SP. Only qualified professional are permitted to
open the case. Recommend wait for a few minutes before opening the case.
Switched off the SP charge controller
Disconnecting the PV array.
Disconnecting the battery
You can remove the SP charge controller for necessary maintenance
