3) message transmission (example), Bulletin f-107-uxf3-s – Dwyer UXF3 User Manual
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(3) Message transmission (example)
Reading “Damping” from No. 2 station is shown below.
Relative address of damping: 0000
H
(Register No.40001),
Data number: 01
H
Command message composition (byte)
Response message composition (byte)
Station No.
02
H
Station
No.
02
H
Function code
03
H
Function
code
03
H
Upper 00
H
Read-out byte number
02
H
Read-out start No.
(relative address)
Lower 00
H
Upper
00
H
Upper 00
H
Contents of the
first word data
Lower 64
H
Read-out word
number
Lower 01
H
Lower FD
H
Lower 84
H
CRC data
Upper AF
H
CRC data
Upper 39
H
* Meaning of data to be read
Damping 00
64
H
= 100
(contents of the first word data)
Where the unit is sec with decimal point position set at 1,
Damping = 10.0 sec
Point
For “Point” decimal point, refer to Section 7.1.
Bulletin F-107-UXF3-S