List Of Commands - IMO Precision Controls K7 Series User Manual

Chapter8 Communication Function

8.1.4 List of commands

Command list for communication.
Division
Main command
Item
Code
Individual
r(R)
Reading reading
device
Continuos
r(R)
reading
Individual
w (W)
Writing reading
device
Continuos
w(W)
reading
CPU
r(R)
Status reading
Division
Main command
Item
Code
Monitoring variable
x(X)
register
Execution of
y(Y)
monitoring
Remark
1) K7 base unit identifies capitals or small letters for main commands, but not for the others.
2) If it ' s a main command in capitals, it calculates BCC value. But if it ' s not, it doesn' t. Therefore, when BCC for
frame check is used, main commands must be in small letters.
Command
Command type
ASCII code Code ASCII code
H72
SS 5353
(H52)
H72
SB 5342
(H52)
H77
SS 5353
(H57)
H77
SB 5342
(H57)
H73
ST 5354
(H53)
Command
Register No.
Register
ASCII code ASCII code
no.
H78
H00~H09 3030 ~ 3039 Register device to monitor.
H58
H79
H00~H09 3030 ~ 3039 Execute registered device to monitor.
(H59)
8-7
Treatment
Reads device of Bit, Word and type.
Reads device Word in block unit.
(Continuous reading Bit is unavailable)
Writes data to device of Bit and Word type.
Writes data to Word type in block unit.
(Continuous reading Bit is unavailable)
Reads flag list like PLC operation status and error
information. (For detailed flag contents, refer to
MK80S manual).
Treatment