Fuji Electric PXG-9 Communication Instruction Manual page 35

Example of Transmitting a Message (Internal Calculation Data)
The message is composed as follows when reading the PV input value from station number 1.
• PV value relative address: 0000H Data number: 01H
Command Message (bytes)
Station No.
Function Code
Upper number
No. to Start Reading
(Relative Address)
Lower number
Upper number
No. of Bits to Read
Lower number
Upper number
CRC Data
Lower number
■ Meaning of Read Data
Word Data Contents 03 46H = 838 (8.38% FS)
When the input range is 0 to 400°C
PV = 33.5°C (= 8.38FS x 400 (input range width))
For more about the internal calculation value, engineering unit,
Refer to
and decimal point see
"Chapter 7, Address Map and Data Configuration" (p. 39).
Example of Transmitting a Message (For Engineering Unit)
The message is composed as follows when reading the PV value from station number 1.
• PV value relative address: 03E8H Data number: 01H
Command Message (bytes)
Station No.
Function Code
No. to Start Reading
(Relative Address)
No. of Words to Read
CRC Data
■ Meaning of Read Data
Word Data Contents 01 4FH = 335
When the decimal point position = 1
PV = 33.5°C
For more about the internal calculation value, engineering unit,
Refer to
and decimal point see
"Chapter 7, Address Map and Data Configuration" (p. 39).
Master
01H
04H
00H
00H
00H
01H
31H
CAH
Master
01H
04H
Upper number 03H
Lower number E8H
Upper number 00H
Lower number 01H
Upper number B1H
Lower number BAH
Slave
Response Message (bytes)
Station No.
Function Code
No. of Bytes to Read
First Word Data
Contents
CRC Data
Slave
Response Message (bytes)
Station No.
Function Code
No. of Bytes to Read
First Word Data
Contents
CRC Data
– 33 –
01H
04H
02H
Upper number 03H
Lower number 46H
Upper number 38H
Lower number 32H
01H
04H
02H
Upper number 01H
Lower number 4FH
Upper number F9H
Lower number 54H
Chapter
6