GE MM300 Manual page 48

FORMAT CODES
2–40
Code Type
1st 16 bits
2nd 16 bits
Example: 123456 stored as 123456
i.e. 1st word: 0001 hex, 2nd word: E240 hex
F10 32 bits
1st 16 bits
2nd 16 bits
Example: 12345.6 stored as 123456
i.e. 1st word: 0001 hex, 2nd word: E240 hex
F13 32 bits
1st 16 bits
2nd 16 bits
Example: -12345.6 stored as -123456
i.e. 1st word: FFFE hex, 2nd word: 1DC0 hex
F15 16 bits
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
F17 32 bits
1st 16 bits
2nd 16 bits
Example: 123456 stored as 123456
CHAPTER 2: RS485 INTERFACE (MODBUS RTU)
Definition
High Order Word of Long Value
Low Order Word of Long Value
UNSIGNED LONG VALUE, 1 DECIMAL PLACE
UNSIGNED LONG VALUE, 1 DECIMAL PLACE
Low Order Word of Long Value
2's COMPLEMENT SIGNED LONG VALUE, 1 DECIMAL
PLACE
High Order Word of Long Value
Low Order Word of Long Value
HARDWARE REVISION
Prototype
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
UNSIGNED LONG VALUE, 3 DECIMAL PLACES
High Order Word of Long Value
Low Order Word of Long Value
MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE