4-35 890CS & 890CD Common Bus Units
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
1. Apply the 24V DC.
2. Check that all keypads are active.
Note Because the unit is powering up without the 3-phase connection, the keypad will display a trip indicating
that the supply is missing. The trip displays are shown below. Press the
key whenever this message
appears to clear it from the screen.
6511 Keypad
6901 Keypad
890CD :
TRIPPED
UNDERVOLTAGE
***
***
890CS :
TRIPPED
SUPPLY LOSS
***
***
If the unit is not powering-up with 24V DC: check your supply; check your connections at X01 and
X13; check the keypad is fitted correctly. If you are still experiencing problems, please contact
Parker SSD Drives.
Initial Power-Up Conditions
The unit will initialise in Remote Mode from factory conditions.
The Keypad will display the Input Current (%) on the 890CS Common
Bus Supply, and the Remote Setpoint parameter (%) on the 890CD
Common Bus Drive.
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