Checklist For A Quick Start-Up - ABB ACS800 Series Firmware Manual

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Checklist for a quick start-up

• A checklist for the Master/Follower function is given below.
• Switch off the power supplies of the drives. Wait for five minutes to ensure that
the intermediate circuits are discharged.
• Install RDCO communication boards onto the RMIO boards of all drives to be
used in Master/Follower communication (if not already installed). Follow the
instructions included in the RDCO package.
• Build the Master/Follower Link. See section
• Switch ON the power to the drives.
• On the Master drive, change
• On the Follower drive(s), adjust the parameters according to your application.
Switch all drives to external control with the
should be no "L" on the first row of the display).
• Perform a test run with the motors still de-coupled from the driven machinery.
Feed the control signals both through the Master analog/digital inputs and from
the Master Control Panel. Check the correct operation of the Master and Follower
drives visually (by observing the motor and Control Panel display):
- Start, Stop, Direction and Run enable signals given to the Master are received
- The Master follows the speed reference.
- The Follower follows Master speed reference or torque reference. In torque
• Disconnect the Control Panels from the Follower drives to avoid accidental use.
See WARNING! below.
• Switch the power to the drives OFF.
• Couple the motor shafts to the driven machinery and switch on the power
supplies.
WARNING! To avoid conflicting control, drives coupled to the same machinery
should receive the external control signals only via the Master. General rules:
- Connect all external control signals to the Master drive only.
- Never control the Follower(s) with the Control Panel or through a fieldbus
system.
Master/Follower
by all drives.
control, the application control restricts the excessive speed rise of the motor.
Thus the actual speed of an unloaded Follower is higher than that of the
Master, but will not reach the maximum speed limit.
Installation
70.06 CH2 M/F MODE to MASTER.
LOC
key on the Control Panel (there
REM
on page 51.