SMA eCharger - Connection to the Multifunction Relay; Digital Output (MFR); Pin Assignment MFR; Connect Signal Source to MFR

6 Electrical Connection
SMA Solar Technology AG
Operating manual EVC22-3AC-20-BE-en-10 53
6.8 Connection to the Multifunction Relay
6.8.1 Digital output (MFR)
The multifunction relay (MFR) is a digital output that can be specifically configured to the system.
Also see:
• Use of the digital output (MFR)⇒page70
6.8.2 Pin assignment MFR
Digital input Pin Assignment
1 2
3
1 NO
2 CO
3 NC
6.8.3 Connect signal source to MFR
Requirements:
☐ The technical requirements of the multifunction relay must be met (see Section15, page101).
Procedure:
1. Disconnect the charging station from voltage sources (see Section9, page81).
2. Run the cable to the MFR slot.
3. Strip 6mm of the cable insulation at maximum.
4. Unlock the conductor inserts on the provided 3-pole
connector.