Get Last Command; Get Communications History - Omron V640 Series User Manual

SECTION 4
Reading from/Writing to ID Tags

■ GET LAST COMMAND

Gets the command code of the last command that was executed.
Command
Command code
1 5
Response
This command returns the command code of the last command that was executed.
When There Is a Previously Executed Command
Response
code
0 0
* The command code is given as two or four characters.
When There Is No Previously Executed Command
Response
code
0 0

■ GET COMMUNICATIONS HISTORY

This command gets the history of communications from when the power was turned ON (total number
of communications, total successful communications, and total number of failed communications).
Command
Command code
1 6
Response
This command returns the history of communications from when the power was turned ON. Four hexa-
decimal digits each are returned for the total number of communications, total number of successful
communications, and total number of failed communications.
If the total number of communications exceeds 65,535, all data in the communications history will be
reset to 0.
Response
code
0 0
CIDRW System
46
User's Manual
CR
0Dh
Command code
Command
CR
code
0 0 0Dh
CR
0Dh
Total number of suc-
Total number of com-
cessful communica-
munications
CR
0Dh
Total number of failed
communications
tions
CR
0Dh