SmartStruxure Modbus register type for Schneider Electric PM meters register type INT64

Issue

What register type should be used for the type called INT64 in the documentation

Product Line

SmartStruxure Solution

Environment

SmartStruxure 1.5 and above

Modbus

Cause

It is not clear what SmartStruxure Modbus register type should be configured for INT64

Resolution

For reading the INT64 on this range of power meters the register definition you need to apply is the "64 bit signed swapped".