Electrical Connection SMA Technologie AG
Page 52 SI5048-11:EE4206 Technical Description
1. Remove the right plug of the two plugs in the rubber terminal area.
2. Thread the cable through the cable feed-through (A) from the outside.
3. Sheathe the cable inside the Sunny Island 5048 using the silicone tube provided.
The silicone tube is imperative for safety reasons. Without this silicone tube, the
interface is not to be operated.
4. Insert the cable into the upper white socket.
5. Place the plug around the cable.
6. Reinsert the plug in the opening provided in the rubber terminal block (A).
7. Lay the cable in area (B) as shown in the figure to the right.
8. The three pins that you are to use are specified in the operating manual for the
communication device. The following table displays the assignment of the
specified pins for the pins of the RJ45 socket.
9. Terminate the Sunny Island 5048 at RS485.
In the Sunny Island 5048, the RS485 data bus is terminated using a plug. This plug
is already pre-installed in the Sunny Island 5048. Please only remove the plug if
you would like to connect another Sunny Island 5048 device or a communication
device.
10. Plug the communication interface into the board (C).
11. Close the Sunny Island 5048 as described in section 5.2 "Closing the Device"
(Page 32).
Electrostatic discharges are an acute danger to the Sunny Island 5048 and to the
communication interface. Ground yourself by touching PE before removing the
communication interface from the packaging, and before touching any
components within the Sunny Island 5048.
Read the communication device manual before beginning installation work.
Further wiring details can be found there.
Communication device
pin (Sub-D 9-pole)
RS232 RS485 RJ45 socket
2RXDA 3
5GNDGND2
7RTSB 6
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