Teledyne 7600 - Infrared gas analyzer - communication manual - Manual (Page 16)

Teledyne Analytical Instruments
16
6. DETAILS OF MESSAGE
6.1 Read-out of word data [Function code: 03
H
]
Function
code
Max word number read-out
in one message Relative data
address Resister No. Contents
O3
H
64 words 0000
H
40001 40110 User 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
}
1 to 64
Lower Upper CRC data
Upper
Contents of the last
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
Upper byte of contents of the next word data
Upper byte of contents of the last word data
Upper 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.