Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 396

CompoWay/F Master Protocol
Example: VARIABLE AREA READ
The following command and text are used to read the present value, maximum value, minimum value, and sta-
tus of the Intelligent Signal Processor.
Command and Text
1. Variable Type
2. First Read Address
Specify the address of the data to be read in 4 digits Hex.
3. Number of Elements: 4 Digits Hex
Note If "0000" is specified, nothing will be read and a normal end will be returned. A parameter error will occur
for any settings other than "0000" and "0001."
Response Text
1. Response Code: MRES, SRES
2. Read Data
The specified data is returned in 8 digits of hexadecimal data.
"00" "00"
2 bytes 2 bytes
Variable type
"C0"
Number of elements
"0001"
Response code
"01" "01"
2 bytes 2 bytes 4 bytes
Response code
"0000"
"1001"
"1002"
"1100"
"1101"
"1103"
"2203"
Variable
First read address
type
"C0"
2 bytes 4 bytes
Present value, maximum value, minimum value, status, and
comparison value
Read the data and end normally.
Read data
8 bytes
Normal end
Command too long
Command too short
Parameter error
Area type error
First address range error
Operating error
Appendix B
No. of
elements
"00" "0001"
4 bytes
Contents
Process
Meaning
367