Modbus profie Satec PM130 Plus

[Desislav]

Hi
I read data from Satec power meter PM130 and map Modbus register to knx addresses. I have a problem with reading and mapping int32 registers.
For example:
Power factor L2
Range: -1000-1000
Units:×0.001
Type:INT32
R/W: R 
Can someone help me with example how to read this type of registers and map to knx address.

Desislav