Teledyne 7600 - Infrared gas analyzer - communication manual - Manual (Page 18)

Teledyne Analytical Instruments
18
6.2 Read-out of read only word data [Function code: 04
H
]
Function
code
Max word number
read-out in one
message Relative data
address Resister No. Contents
0000
H
00BD
H
30001 30190 Measurement
value and status 04
H
64 words
0425
H
0447
H
31062 31096 Fixed setting
(1) Message composition
Command message composition (byte)
Response message composition (byte)
Station No. Station No.
Function code Function code
Upper Read-out byte number Read-out start
No. (relative
address)
Lower Upper
Upper
Content of the first
word data
Lower Read-out word
number
Lower Upper
Lower CRC data
Upper
Contents of the
next word data
Lower
Upper Contents of the
next word data
Lower
Lower
CRC data
Upper
* Arrangement of read-out word data
MSB
LSB
Upper byte of contents of the first word data
Lower byte of contents of the first word data
Upper byte of contents of the next word data
Lower byte of contents of the next word data
Upper byte of contents of the last word data
Lower byte of contents of the last word data
(2) Function explanations
Word data of continuous word numbers from the read-out start No. can be read. Read-out
word data are transmitted from the slave station in the order of upper and lower bytes.