
4-27
890CS & 890CD Common Bus Units
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
Step 3: Control Connections
WARNING
During commissioning, remove the fuses (or trip the circuit breaker) on your 3-phase supply.
Make sure the power is OFF, and that it cannot be switched on accidentally whilst you are working.
Main Points
♦
The 890 is a system product and is designed for Remote mode operation using the analog & digital
inputs/outputs and/or FireWire
TM
connection. The use of the keypad (Local mode) is for configuration
purposes.
Connecting 890CD Common Bus Drives using the FireWire
TM
Option Cards is recommended for
applications requiring high levels of accuracy. Otherwise, use I/O to transfer data from master to
slave units.
♦
To access the control board and plug-in Options, remove the lower front cover from the drive. The cover
is held in place by two screws on the base of the drive.
♦
Route control cables into the drive through the gland plate.
♦
Use screened control cables to comply with EMC requirements. All screens terminated using a gland at
the gland plate. Refer to page 4-25.
♦
The control terminals will accept a single wire of size 1.5mm
2
/16AWG. For two wires per terminal, use
smaller gauge wire such as 0.5mm
2
/22AWG.
♦
The control board 0V at X14/04 must be connected to protective (clean) earth outside of the product to
meet EMC and safety requirements.