Connecting The Sunny Sensorbox To An Additional Rs485 Bus Node - SMA SUNNY SENSORBOX Installation Manual

SMA America, LLC
7.5.5 Connecting the Sunny SensorBox to an additional RS485 bus
node
1. Open the Sunny SensorBox (see page 66).
2. Remove the termination resistor at "F2: OUT RS485"
on the Sunny SensorBox.
3. Unscrew the lock nut of the cable gland at the top
right of the Sunny SensorBox and remove the filler
plugs.
4. Thread the RS485 communication cable through
the lock nut and the cable gland and into the
enclosure of the Sunny SensorBox.
NOTICE
Metal or cable scraps could fall into the open device while working on the device.
Damage to the Sunny SensorBox will result.
• Remove all metal scraps from the cable shield or cable from inside the Sunny
SensorBox before closing the device.
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5. Remove 1 ⁄ in. (40 mm) of cable sleeve from the
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RS485 communication cable that is connected to
the Sunny SensorBox.
1
6. Strip ⁄ in. (6 mm) of insulation from the wires.
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7. Twist the cable shield into one string.
8. Pull the insulating tube over the cable shield. Allow 1
out of the insulating tube.
Installation Manual
5
⁄ in. (40 mm) of the cable shield to stick
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Sensorbox-eng-IA-IUS-112515
Startup
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