Table of Contents
Advertisement
11.3 MECHATROLINK-III I/O Module Settings
11.3.4 I/O Command Details
11.3.4 I/O Command Details
This section describes how to use the I/O commands.
Data I/O Command
Performs data I/O operations with the I/O Module.
Command Format
OW
OW + 1
OW + 2
OW + 3
OW + 4
OW + 5
OW + 6
OW + 7
Execution and Operating Procedure
1.
Make sure that the following condition is met.
2.
Set the I/O Command register to 0 to execute the Data I/O command.
Confirming Completion of the Command
Use the following information to confirm that the command has been completed.
No.
1
2
Information
11-16
Output Registers
7 6 5 4 3 2 1 0
Data I/O (= 0)
Not used.
Command Control
Output Data 1 Low
Output Data 2 Low
Output Data 3 Low
Output Data 4 Low
Output Data 5 Low
Output Data 6 Low
•
•
•
No.
Execution Condition
I/O command execution must be com-
1
pleted.
I/O Command Response register = 0 (Data I/O)
Command Status bit 2 (CMDRDY) = 1
• If the command is not completed within 5 seconds after it is executed, bit 0 in the Master
Status register changes to 1 (TIMEOUT).
• When bit 0 (D_ALM) or bit 1 (D_WAR) in the Command Status register is 1, check the error
details with the application and perform the stop processing. The system will not perform
stop processing.
IW
IW + 1
IW + 2
High
IW + 3
High
IW + 4
High
IW + 5
High
IW + 6
High
IW + 7
High
Command Status bit 2 (CMDRDY) = 1
Confirmation Method
Input Registers
7 6 5 4 3 2 1 0
Data I/O (= 0)
Master Status
Command Status
Input Data 1 Low
High
Input Data 2 Low
High
Input Data 3 Low
High
Input Data 4 Low
High
Input Data 5 Low
High
Input Data 6 Low
High
•
•
•
Confirmation Method
Advertisement
Table of Contents
