Check The Serial Interface Settings At The Sunny Central Control; Detecting Sunny String-Monitor - SMA SUNNY STRING-MONITOR Technical Description

7 Configure Sunny String-Monitor
7.1.2 Check the Serial Interface Settings at the Sunny Central
Control
Parameters of the COM1 interface are predefined and factory-set.
• Medium RS485
• Baudrate 19200 Baud
• SMA-Net protocol
1. Select Device Set-up > Interfaces > Communication > COM1:SMUs.
☑ The interface parameters appear:
2. Make sure that the correct parameters are set.
☑ The parameters are set correctly.
✖ Are the parameters set incorrectly?
• Set the parameters for medium, baudrate and protocol correctly.
7.1.3 Detecting Sunny String-Monitor
1. Select Device Set-up > SMUs > Devices > Detection.
☑ The Sunny Central Control begins detection of new devices automatically.
2. Adopt the changes and save.
3. Check whether all the serial numbers of the Piggy-Backs for data processing are registered
correctly by the measurement circuit boards of the respective Sunny String-Monitor.
– Select Device Set-up > SMUs > Devices > Registration.
☑ The registered serial numbers match the actual serial numbers on the Piggy-Backs for data
processing.
✖ Not all indicated serial numbers are on the list?
• Start again with step 2.
✖ Are there any problems in detecting the Sunny String-Monitor?
• See Section .9 "Troubleshooting", page 59
42 SSM-TEN103132
SMA Solar Technology AG
Technical Description