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5. COMMUNICATION SAMPLE MESSAGE
5.1: ASCII
Sample message for ASCII
Example 2
Fixed temp operation, SV: 100
℃
, write SV
* Setting value number: reference number minus 40001
Fixed temp operation SV setting reference number: 40001 – 40001 = 0000
⇒
0000 in hexadecimal
Send data
Master
⇒
Device
Reply data
Device
⇒
Master
01
06
0000
0064
Error check
01
06
0000
0064
Error check
LRC
Slave address
Function code
Setting value No.
Set temp
LRC
Set temp (hex)
Slave address
Function code
Setting value No.
Slave address
Function code
Start number
Number of data
Example 4
Current temp monitor: PV 100
℃
* Start number: reference number minus 30001
Current temp monitor (PV) reference number: 30101 – 30001 = 0100
⇒
0064 in hexadecimal
Send data
Master
⇒
Device
Reply data
Device
⇒
Master
01
04
0064
0001
Error check
01
04
02
0064
Error check
LRC
Slave address
Function code
Number of data
Set temp (hex)
LRC
Slave address
Function code
Start number
Number of data
Example 5
Read operation mode
* Start number: reference number minus 40001
Operation mode in local mode: 46001 – 40001 = 6000
⇒
1770 in hexadecimal
Send data
Master
⇒
Device
Reply data
Device
⇒
Master
01
03
1770
0001
Error check
01
03
02
0005
Error check
LRC
Slave address
Function code
Number of data
Operation mode
LRC
Example 3
Fixed temp operation, SV: 200
℃
, write SV
* Setting value number: reference number minus 40001
Fixed temp operation SV setting reference number: 40001 – 40001 = 0000
⇒
0000 in hexadecimal
Send data
Master
⇒
Device
Reply data
Device
⇒
Master
01
06
0000
00C8
Error check
01
06
0000
00C8
Error check
LRC
Slave address
Function code
Setting value No.
Set temp
LRC
Set temp (hex)
Slave address
Function code
Setting value No.
Slave address
Function code
Start number
Number of data
Error check
Example 1
Fixed temp operation, SV: 100
℃
, read SV
* Start number: reference number minus 40001
Fixed temp operation SV setting reference number: 40001 – 40001 = 0000
⇒
0000 in hexadecimal
Send data
Master
⇒
Device
Reply data
Device
⇒
Master
01
03
0000
0001
01
03
02
0064
Error check
LRC
Slave address
Function code
Number of data
Set temp (hex)
LRC