9
Data item example
(See pages 13 to 20)
• Control output (OUT1) proportional band setting in Fixed value control ---
• Alarm 3 setting in Fixed value control ----------------------------------------------
• Temperature setting for Pattern 5, Step 3 in program control ----------------
• Alarm 3 setting for Block 5 in Program control -----------------------------------
• Number of repeat setting for Pattern 8 in Program control -------------------
• Reading of current process variable ------------------------------------------------
6
Data
: The contents of data (setting value) differ depending on the setting command.
Composed of hexadecimal 4 digits (See pages 13 to 20.)
Reading command has no data.
7
Checksum
: 2-character data to detect communication errors (See page 10 for the calculation.)
8
Delimiter
: ETX (03H) fixed, End of text
Control code to represent the end of command (text)
(2) Response to the command
Response with data (Response to the reading command)
1
Header
: ACK (06H) fixed, [Acknowledgement]
Control code to represent the beginning of the response
2
Address
: Instrument number 0 to 95 (20H to 7FH) to which the response is transmitted.
The same code with the received command is used for the response.
3
Sub address
: (20H) fixed
4
Command type
: Code to discern Setting command (50H) and Reading command (20H)
The same code with the received command is used for the response.
5
Data item
: Data classification of the command object
Composed of hexadecimal 4 digits (See pages 13 to 20.)
The same code with the received command is used for the response.
16
3
In the case of 0: Represents setting items such as Fixed value control parameter,
PID Auto-tuning performance, Attached function
and Auto/Manual control change.
In the case of 1: Represents the Program pattern setting item
In the case of 2: Represents the PID block setting group setting item
In the case of 3: Represents the Wait block setting item
In the case of 4: Represents the Alarm block setting item
In the case of 5: Represents the Output block setting item
In the case of 6: Represents the Time signal block setting item
In the case of 7: Represents the setting items for Number of repeat and Pattern
link designation of program control.
16
2
Represents the setting items for Pattern number (0 to 9) and Block number
(0 to F).
16
1
Represents the Step number (0 to 9) setting item
16
0
Represents the setting items in the step or block.
Reading data item example
(See pages 13 to 20)
• Control output (OUT2) proportional band setting in Fixed value control ---
• Alarm 3 setting in Fixed value control ----------------------------------------------
• Temperature setting for Pattern 7, Step 1 in program control ----------------
• Alarm 3 setting for Block 7 in Program control -----------------------------------
• Number of repeat setting for Pattern 2 in Program control -------------------
• Reading of current process variable ------------------------------------------------
0 0 0 2
0 0 0 9
1 5 3 0
4 5 0 2
7 8 0 0
0 0 8 0
0 0 0 6
0 0 0 9
1 7 1 0
4 7 0 2
7 2 0 0
0 0 8 0
Address
Command
type
Data item
Checksum Delimiter
Header
Sub
address
Data
16
3
16
1
16
0
16
2
16
3
16
1
16
0
16
2
5
4
3
8
1
2
7
6
