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COMMUNICATIONS GUIDE RS485 INTERFACE (MODBUS RTU)
MM200 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE 21
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
0Prototype
1A
2B
3C
4D
5E
6F
7G
8H
9I
10 J
11 K
12 L
13 M
14 N
15 O
16 P
17 Q
18 R
19 S
20 T
21 U
22 V
23 W
24 X
25 Y
26 Z
F17 32 bits UNSIGNED LONG VALUE, 3 DECIMAL PLACES
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
F20 32 bits 2’s COMPLEMENT SIGNED LONG VALUE
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Note: -1 means “Never”
F22 16 bits TWO 8-BIT CHARACTERS PACKED INTO 16-BIT UNSIGNED
MSB First Character
LSB Second Character
Example: String ‘AB’ stored as 4142 hex
Code Type Definition