Installation Guide

Device Type or Protocol are configured incorrectly
If MLT (Multi) is not displayed as the device type (DEV), or 2 is not displayed as the
number of meters under Prot (protocol), configure the meters as follows:
1. Select Communication è RS485-x Conf è Device Type è Multi Devices. Select
Device 1 or Device 2.
2. Select Communication è RS485-x Conf è Protocol è SE.
3. Select Revenue Meter è Meter Func. è Inv. Production, Site Production,
Consumption, Export, Import, or Export+Import..
4. Check that the Device ID under Communication è RS485-x Conf è Device ID is
set to 1 or 2.

Number of devices is lower than configured or not displayed
If <-->or <01> is displayed under the ## column in the Communication status screen
shown above, at least one of the meters is not communicating with the inverter. Check
the following:
The meter configuration is as described above.
There are no loose connections at the inverter connectors and at the meters,
specifically the RS485 wiring.
Meter Status Screen Troubleshooting
Refer to Troubleshooting the Meter on page 29.
Appendix B: Installing Two Meters 41
Energy Meter with Modbus Connection MAN-01-00270-1.3