Teledyne 7600 - Infrared gas analyzer - communication manual - Manual (Page 20)

Teledyne Analytical Instruments
20
6.3 Read-out of read only word data [Function code: 06
H
]
Function
code
Max word number
write-in in one
message Relative data
address Resister No. Contents
0000
H
006D
H
40001 40110 User setting 06
H
1 word
07D0
H
07D1
H
42001 42002 Operation
command
(1) Message composition
Command message composition (byte)
Response message composition (byte)
Station No. Station No.
Function code Function code
Upper Upper Write-in designate
No. (relative address)
Lower
Write-in designate
No. (relative address)
Lower Upper
Upper
Write-in word data
Lower Write-in word data
Lower Lower
Lower CRC data
Upper
CRC data
Upper
(2) Function explanations
Designated word data is written in write-in designate No. Write-in data are transmitted from
master station in the order of upper and lower bytes.
(3) Message transmission (example)
The following shows an example of transmitting the "ZERO" key command to No. 1 station.
Key operation command Relative address: 07D0
H
Command message composition (byte)
Response message composition (byte)
Station No. 01
H
Station No. 01
H
Function code 06
H
Function code 06
H
Upper 07
H
Upper 07
H
Write-in designate
No. (relative
address)
Lower D0
H
Write-in designate
No. (relative
address
Lower D0
H
Upper 00
H
Upper 00
H
Write-in word data
Lower 40
H
}
ZERO
key
command
Write-in word data
Lower 40
H
Lower 88
H
Lower 88
H
CRC data
Upper B7
H
CRC data
Upper B7
H