SMA SC 500CP-US - Manual (Page 81)

SMA America, LLC 12 Cable Connection of External Devices in the Interface Cabinet
Installation Manual SCCP-US-IA-US_en-41 81
Procedure:
1. Dismantle the cable and strip the insulation.
2. Connect the cable in accordance with the circuit diagram.
3. Place the cable shield on the shield bus.
4. Press the shield clamping saddle down until it clicks into place and
fasten hand-tight.
5. Attach the cable to the cable support rail using a cable tie. This ensures that the cable cannot be pulled out.
12.7 Connecting the Transformer Protection
The inverter is equipped with a connection for monitoring the medium-voltage transformer that switches the inverter off
immediately under fault conditions.
Requirements:
☐ The inverter must be disconnected (see Section 14 "Disconnecting the Inverter", page 86).
☐ The cable must be routed into the interface cabinet (see Section 12.4 "Inserting the Cables into the Interface
Cabinet", page 79).
Procedure:
1. Dismantle the cable and strip the insulation.
2. Connect the cable in accordance with the circuit diagram.
3. Place the cable shield on the shield bus.
Inverter without Transformer Protection
• If you are not using the transformer protection option, set the ExtTrfErrEna parameter to Off after
commissioning.