SMA RS485-Quick Module - Manual (Page 10)

Safety SMA America, LLC
10 RS485-QM-IA-eng-IUS111610 Installation Guide
2 Safety
2.1 Appropriate Usage
The RS485-Quick Module is provided as an upgrade kit or included in the scope of delivery of the
inverter.
The RS485-Quick Module is only suitable for use with SMA inverters of type Sunny Boy 2000HF-US
/ 2500HF-US / 3000HF-US. Please also observe the installation guide of the respective inverter.
2.1.1 RS485 interface
The RS485-Quick Module allows the setup of a cable-connected RS485 communication between the
aforementioned inverters.
2.1.2 Multi-function relay
The RS485-Quick Module has a multi-function relay that can serve as a fault signaling contact,
amongst other things. The inverter will trip the fault signaling contact as soon as an error occurs.
2.2 Safety Instructions
DANGER
Danger to life due to high voltages in the inverter.
• Only qualified personnel may perform work on the inverter.
• Disconnect the inverter on the AC and DC side as described in the inverter's
installation guide.
NOTICE
Electrostatic discharges can damage the RS485-Quick Module and the inverter.
• Ground yourself before touching a component part. Touch PE or a grounded object.