Product information
Version 3.0 (08/2018)
Translation of original instruction manual 9
3 Product information
3.1 Product description
The MultiControl is a conveyor control system that can control up to four Interroll RollerDrive. It is
also a certified I/O device for PROFINET, EtherNet/IP and EtherCAT and can thus be networked
with other MultiControls and a PLC.
Sensors and RollerDrive can be integrated directly into the fieldbus level via the MultiControl. An
additional sensor/actuator level can thus be completely eliminated.
For applications with special conveyor logic, several applications are already pre-programmed in
the MultiControl. It can therefore be used as an individual control - with or without a PLC
connected.
The MultiControl is compatible with all 24V conveyor modules from Interroll Automation GmbH.
ZPA programs (Zero Pressure Accumulation) are used for the operation of the conveyor modules.
Further information on the integrated programs and functions can be found in the
supplementary document "Interroll MultiControl - Operating and Programming".
Energy recovery / Overvoltage protection
When the RollerDrive is stopped or the speed is abruptly reduced, the kinetic energy of the
conveyed material in the RollerDrive is converted into electrical energy as a generator. This
energy is fed back into the system, where it can be used by other RollerDrive.
If more energy is fed back than can be used, the excess energy is converted into heat by a brake
chopper in the MultiControl. The brake chopper becomes active when the voltage rises above
28 V. This avoids excessive voltages within the system.
Overload protection
If the brake chopper remains switched on for more than two seconds, it will be switched off
again, since in this case it is assumed that the power supply unit delivers an incorrect voltage. The
activated overload protection is indicated by the LED display. As long as the overload protection
is active, the motors cannot be switched on.
The MultiControl provides no protection against overheating of the connected RollerDrive.
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