6-2 Setting Slave Parameters
6-2-2 Checking and Setting I/O Size
Obtaining I/O Size Information from the Master Scan List
When connecting the CX-Integrator to a network that is already operating, for example
using OMRON Master Units with fixed allocation, the slave I/O size can be obtained
from the master scan list for use in setting.
However, this is possible only with OMRON masters. Also, the slave I/O size cannot be
obtained from the slave function of the CS1W-DRM21(-V1) and CJ1W-DRM21.
Use the following procedure to obtain the I/O size from a master scan list.
1. Select the desired slave, then select View - Property.
2. Click the I/O Information Tab.
3. Click the Get I/O Size from the Scanlist Button.
Parameter Auto Update When I/O Size Changed
The function to automatically update the I/O size registered on the master scan list
when the I/O size is changed can be switched ON or OFF.
To automatically update the I/O size registered on the master scan list, select Tools -
DeviceNet tool - Parameter Auto Update when I/O Size Changed.
When this function is enabled, the
mark will be displayed in the menu. The default
is set to not automatically update.
Note
If the function to automatically update the I/O size is enabled and there is no EDS file,
some operations will cause the I/O size in the master scan list to be updated to zero.
For this reason, the function to automatically update the I/O size should normally be
disabled.
6-7
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