TD_20210219_SG30-50-110CX Commissioning Guide_V1.1 Page 7 of 21
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DTSU666 energy meter connection:
• Terminal 24 = RS485+ A (Green)
• Terminal 25 = RS485- B (White/Green)
Logger1000 connection: Connect to Logger1000 via the RS485 cable from the
energy meter on RS485 port A2 and B2 if it has not been used.
EyeM4 connection: Connect the energy meter RS485 to A2/B2 (RS485-2 Interface)
terminals in the inverter that has the EyeM4 dongle.
Note: the Logger1000 and EyeM4 must be updated to the latest firmware to support
the DTSU666 energy meter. To upgrade the Logger1000/ EyeM4, refer to th Part 5 of
this document.