Format codes – GE Industrial Solutions MX350 Communications Guide User Manual
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MX350 AUTOMATIC TRANSFER CONTROL SYSTEM – COMMUNICATIONS GUIDE
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
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: 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