Omron CQM1-ARM21, Operation Manual

Page: 54 / 86

Setup Mode
Section 4-5
40
4-5-3-4 Read_Actual_Configuration
Function Read the ID code and I/O code of an actual slave connected to the AS-
Interface line.
Command Code 5 (
0101
)
Command Argument 1 Slave address (2 digits BCD).
Command Argument 2 Not required.
Command Status
1 Command processed, and Return Value is valid.
2 Error in processing the command
(invalid argument value or Slave read error).
other Master is busy.
Actual Configuration Data for slave [Command Argument 1].
1 byte hexadecimal code, representing I/O Code and ID Code.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
IR n 0 0 0 1 1
Setup Mode
Command Status = OK
I/O Code
ID Code
Command Return Value
See Appendix B, AS-Interface Slave Profiles, for a list of ID codes and I/O
codes.
Example Try to read the configuration data of the (non-existing) slave with address 18.
Command
IR101 IR100
Response
IR001
X X X D Master in Setup Mode
Send ’No_Command’ - - - - - - 0 2
(X = previous data)
0 0 0 D Master Ready
Send Command - - - - 1 8 5 2
0 0 2 D Command Error
Slave not detected