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Version 2.0 (11/2013) en
Translation of the original instructions
DriveControl DC-20/DC-54
Product information
Product description
The DriveControl 20/54 is intended to control the speed and rotation direction of
the RollerDrive EC310.
Functions • Regenerative braking: When the RollerDrive motor brakes, it acts as a
generator and feeds energy back into the power supply. The DriveControl has
a built in brake chopper (load resistor) to limit the DC voltage on the
connection to a stable level.
• Diagnostics: LEDs indicate the operating condition of the DriveControl and
the RollerDrive as well as the operating voltage (see "Meaning of the LEDs",
page 11). An error signal can also be output.
Energy feedback When the speed of a rotating RollerDrive is abruptly reduced (e. g. by removing
or reducing the start signal at the DriveControl), the RollerDrive continues to
rotate briefly (depending on the weight of the conveyed goods being stopped)
and thus functions as a generator. The voltage generated in this way increases
the supply voltage of the RollerDrive. This increased voltage is partly fed to the
DC supply (to max. 30 V) and partly converted to heat via a brake chopper
resistance on the DriveControl. The regenerated power is then available for other
consumers. The more precisely 24 V are complied to in the voltage supply the
greater the voltage range in which the DC network can be fed back to.
Temperature protection The brake chopper resistor is temperature-controlled. If, due to specific
application properties (e. g. high conveying weight or high conveying speed), the
brake chopper resistance is frequently switched, the DriveControl switches off
when it becomes too hot (approx. 90 °C/194 °F inner temperature). If
temperature protection is activated, this state is indicated by the LEDs and no
start signal will be transmitted to the RollerDrive. When the DriveControl has
cooled down, the RollerDrive restarts automatically when a signal is pending. The
DriveControl cools down quicker if it is mounted on a flat surface, ideally metal.
Lock period for signal
modifications
The following signals are protected by the firmware to ensure functionality with
flank-instable or bouncing levels. This means that after a signal status change,
there is a time gap of 20 ms in which no additional status change is accepted.
• DIP switchesSPEED A, SPEED B, SPEED C, SPEED D, DIR
• Inputs RollerDrive error, SPEED A, SPEED B, SPEED C, DIR
DriveControl failure from overheating
Do not perform a voltage reset when temperature
protection is active.
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