Inf_Rd (Read Device Information) - YASKAWA SVC User Manual

4.3.4

INF_RD (Read Device Information)

The INF_RD subcommand reports the device information of the connected MECHATROLINK-III
Servo Drive to the monitor parameters.
The target information is specified in the OW5B setting parameter (Device Information
Selection Code).
Execution and Operating Procedures
1.
Make sure that all of the following conditions are met.
No.
1
2
2.
Set the OW5B setting parameter (Device Information Selection Code).
3.
Set the OW0A setting parameter (Motion Subcommands) to 3 to execute the
INF_RD motion subcommand.
The device information is reported in the monitor parameters.
4.
Set OW0A to 0 to execute the NOP motion subcommand.
This concludes the read device information operation.
Related Parameters
The parameters that are related to this subcommand are listed in the following table.
 Setting Parameters
Register
Address

0A
OW

OW 5B
 Monitor Parameters
Register
Address

IW 0A

IW 0B
Bit 0

IW 0B
Bit 3

IW 0B
Bit 8
Execution Condition
Must be ready for motion operation.
Motion command execution must be completed.
Name
Motion Subcommands Set this parameter to 3 (INF_RD) to read device information.
Select the device information to read. You can select the following
devices.
00 hex: Disabled
Device Information 01 hex: Vendor ID code
Selection Code 02 hex: Device code
03 hex: Device version
04 hex: Device information file version
05 hex: Serial number
Name
This parameter shows the motion subcommand currently in execu-
Motion Subcommand
tion.
Response Code
This parameter is 3 during execution of the INF_RD command.
Command Execution This bit changes to 0 (Completed) when the INF_RD operation will
Flag end.
This bit changes to 1 (Completed with an error) when an error occurs
during execution of the INF_RD command.
Command Error End
This bit changes to 0 (Completed normally) when another command
is executed.
Command Execution This bit changes to 1 (Normal execution completed) when execution
Completed of the INF_RD command ends.
4.3 Motion Subcommand Details
4.3.4 INF_RD (Read Device Information)
Confirmation Method
Bit 0 in IW00 must be 1.
IW08 must be 0 and bit 0 in
IW09 must be 0.
Setting Details
Monitored Contents
Continued on next page.
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