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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