GE MM300 manual Unsigned Value, Unsigned VALUE, 1 Decimal Place, Unsigned VALUE, 2 Decimal Places

RS485 INTERFACE (MODBUS RTU)COMMUNICATIONS GUIDE

Format codes

Code	Type	Definition
F1	16 bits	UNSIGNED VALUE
Example: 1234 stored as 1234
F2	16 bits	UNSIGNED VALUE, 1 DECIMAL PLACE
Example: 123.4 stored as 1234
F3	16 bits	UNSIGNED VALUE, 2 DECIMAL PLACES
Example: 12.34 stored as 1234
F4	16 bits	2’s COMPLEMENT SIGNED VALUE
Example: -1234 stored as -1234 i.e. 64302
F6	16 bits	2’s COMPLEMENT SIGNED VALUE, 2 DECIMAL PLACES
Example: -12.34 stored as -1234 i.e. 64302
F9	32 bits	UNSIGNED LONG VALUE
1st 16 bits		High Order Word of Long Value
2nd 16 bits		Low Order Word of Long Value
Example: 123456 stored as 123456
i.e. 1st word: 0001 hex, 2nd word: E240 hex
F10	32 bits	UNSIGNED LONG VALUE, 1 DECIMAL PLACE
1st 16 bits		UNSIGNED LONG VALUE, 1 DECIMAL PLACE
2nd 16 bits		Low Order Word of Long Value
Example: 12345.6 stored as 123456
i.e. 1st word: 0001 hex, 2nd word: E240 hex
F13	32 bits	2’s COMPLEMENT SIGNED LONG VALUE, 1 DECIMAL PLACE
1st 16 bits		High Order Word of Long Value
2nd 16 bits		Low Order Word of Long Value
Example: -12345.6 stored as -123456
i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex
F15	16 bits	HARDWARE REVISION
0		Prototype
1		A
2		B
3		C
4		D
5		E
6		F
7		G
8		H
9		I
10		J
11		K
12		L
13		M
14		N
15		O
16		P
17		Q

34 MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE