Delta DTM Series - Modbus Communications Function Code

Chapter 7: Appendix
DTM temperature controller operating manual
7-11
Name
Description
CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
time
PID Group3
cooling
derivative time
range: 0 ~ 9,999
Hx586 Hx58E Hx596 Hx59E Hx5A6 Hx5AE Hx5B6 Hx5BE
Reservation 3
Hx587 Hx58F Hx597 Hx59F Hx5A7 Hx5AF Hx5B7 Hx5BF
PID Group4 SV unit: 0.1
Hx5C0 Hx5C8 Hx5D0 Hx5D8 Hx5E0 Hx5E8 Hx5F0 Hx5F8
PID Group4
proportional
band
unit: 0.1
range: 0 ~ 9,999
Hx5C1 Hx5C9 Hx5D1 Hx5D9 Hx5E1 Hx5E9 Hx5F1 Hx5F9
PID Group4
integral time
range: 0 ~ 9,999
Hx5C2 Hx5CA Hx5D2 Hx5DA Hx5E2 Hx5EA Hx5F2 Hx5FA
PID Group4
derivative time
range: 0 ~ 9,999
Hx5C3 Hx5CB Hx5D3 Hx5DB Hx5E3 Hx5EB Hx5F3 Hx5FB
PID Group4
cooling
proportional
band
unit: 0.1
range: 0 ~ 9,999
Hx5C4 Hx5CC Hx5D4 Hx5DC Hx5E4 Hx5EC Hx5F4 Hx5FC
PID Group4
cooling integral
time
range: 0 ~ 9,999
Hx5C5 Hx5CD Hx5D5 Hx5DD Hx5E5 Hx5ED Hx5F5 Hx5FD
PID Group4
cooling
derivative time
range: 0 ~ 9,999
Hx5C6 Hx5CE Hx5D6 Hx5DE Hx5E6 Hx5EE Hx5F6 Hx5FE
7.1.7 Modbus Communications Function Code
ASCII mode:
Communications transmission format: H03 = byte read; H06 = byte write
Read command Read reply string Write command Write reply string
Initial word ’:’ Initial word ’:’ Initial word ’:’ Initial word ’:’
Machine address
1
‘0’
Machine address
1
‘0’ Machine address
1
‘0’ Machine
address 1
‘0’
Machine address
0
‘1’
Machine address
0
‘1’ Machine address
0
‘1’ Machine
address 0
‘1’
Function
command 1
‘0’ Function
command 1
‘0’ Function
command 1
‘0’ Function
command 1
‘0’
Function
command 0
‘3’ Function
command 0
‘3’ Function
command 0
‘6’ Function
command 0
‘6’
Read data /bit
initial address
‘4’
Reply data length
(bytes)
‘0’
Data address
‘1’
Data address
‘1’
‘1’ ‘4’ ‘0’ ‘0’
‘F’
Address H1000
Data content
‘0’ ‘0’ ‘0’
‘F’ ‘1’ ‘1’ ‘1’
Read data length ‘0’ ‘F’ Write data ‘0’ Write data ‘0’