1) Whether EDC 1100 Energy Meter is following standard Modbus protocol?
YES, EDC 1100 follows standard Modbus RTU protocol.
2) What is the value of stop bits? Can I change the stop bit?
The value of stop bits is '1'.
You cannot change the stop bit.
3) Modbus data register type
Modbus data register type is : 03 Read Holding Registers
4) Data Type/Format Description
Data Type is : Float
5) Data ordering scheme
Data ordering scheme is : Float 2301
6) Data Addressing parameters, length and start address
Starting Address : 4101
Length : 58