DeviceNet to Motor Drives
UPPER LINK CONFIGURATION (Mitsubishi Drives Only)
The “Upper Link Configuration” screen is only used with Mitsubishi Drives. To open this screen, place the highlighted bar around the “Upper Link Table” sub-heading (within the “EDIT” menu) and press the ENTER key. The Upper Link Table is used to select which drive or drives support Upper Parameter Numbers. If a particular drive supports upper parameters, it must be set in this table to insure proper communications with the motor drive.
To enable the Upper Link for any drive, use the computer’s arrow KEYS to move the highlighted brackets to the desired drive number and press the SPACE BAR. This places an “X” between the brackets. The Upper Link Activity time-out is used by the DN-3000 to ensure the state of the link setting in the drive when it has not had any communications with the drive for a certain period of time.
Numbers |
represent |
the drive |
addresses |
Mitsubishi’s
Upper Link
Configuration
Window
Operation of the Link Switch
When the parameter number 128 or higher is being accessed, the DN-3000 will automatically set the link switch to Upper Parameters if not already set. When parameter number 127 or lower is being accessed, the DN-3000 will automatically set the link switch to Lower Parameters if not already set. If the Upper Link Activity time-out value is reached without any communications activity to a particular drive, the DN-3000 will consider the state of the link switch for that drive to be indeterminate and will set the upper link switch to the appropriate setting for the next parameter that is being accessed regardless of what the previous setting was.