The PacDrive™automation system offers a technically and
economically optimal solution for electronic packaging machines.
PacDrive™consists of an efficient PC-based control,the PacDrive
Controller and the digital MC-4 servo drive which include the mains
connection unit,the end-stage power and the servo regulator of the
individual axes(Fig.3-2).
The PacDrive Controller is the intelligent head of the system,and is
based on an industrial PC.The PacDrive Controller synchronizes
and coordinates the motion functions of the packaging machine.
Using an IEC 1131-3 soft PLC,it ventures into applications
previously reserved for standard PLCs.The individual PLC or
positioning tasks can be broken down into several parallel tasks,
which are implemented with the EPAS-4 programming environment
according to the IEC 1131-3 standard.Up to 40 servo axes can be
connected to a PacDrive Controller and supplied with positioning
data.
The circular digital SERCOS real-time bus realizes the safe data
exchange with the servo drive MC-4.Due to the use of optical fiber
technology,the data bus is insensitive to electromagnetic
disturbances and cyclically supplies the decentralized servo drive
MC-4 with new set values at a data rate of 4MBaud.All internal
states of the axes can be checked via the real-time bus and
processed in the PacDrive Controller.
In addition to digital and analog inputs and outputs,the PacDrive
Controller has two serial interfaces and one Ethernet interface.A
variety of process visualization and control systems can be
connected to the PacDrive™system via the integrated OPC
interface.Further peripheral components can be connected via field
bus interface modules.The PacDrive Controller can act as a field
bus master or slave.
The international field bus standards CANopen,PROFIBUS-DP
and DeviceNet are supported.The built-in interfaces enable remote
diagnosis via telephone modem or Internet.Via TCP/IP,PC’s can
communicate with the PacDrive Controller and diagnose the state
of the control directly.
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