IP65-rated operator panel with a CANopen interface provides machine designers
and builders with a cost-effective means of implementing simple human-machine
interfaces. The new KPD202-501 is a member of the ABB group and features a backlit 4-line x
20-character LCD surrounded by six programmable function keys, enabling
unambiguous and actionable, multiple-choice menus to be presented to the
machine operator. A further 15 keys are provided for the input of numeric
values, together with four pairs of keys which can be used for functions such
as jogging individual machine axes.
The KPD202-501 operator panel is easy to fit and set up. The panel
can be accommodated with minimal impact on layout and merely requires a
rectangular cut-out in the fascia; built-in mounting clamps secure the unit by
compressing its bezel gasket against the surrounding fascia. Once mounted, the
panel has an IP65 protection rating. The only connections that are needed are a
24V dc power feed and the desired communications link. The panel is equipped
with a CANopen port, which offers a choice of D-type and RJ45 plug-in
connectors, and a user-selectable RS232/485 serial port.
No special programming software or tools are required - the
KPD202-501 can be programmed direct from the motion controller to which it is
connected, using Baldor's Mint programming language. This is one of the
industry's most popular motion control languages and it is installed on more
than 100,000 systems worldwide. The operator panel is compatible with all of
Baldor's NextMove multi-axis controllers and Mint programmable drives,
including the new Mint Lite versions of the MotiFlex e100 and MicroFlex e100.
Where CANopen is not available, the panel can be operated as a standard VT100
terminal over its RS232/485 serial port - it is fully supported within the Mint
An optional plug-in I/O expansion module is available. The module
provides four optically-isolated digital inputs and four optically-isolated
digital outputs, each of which can be operated over the CANopen bus as standard
DS401 remote I/O, for use with ancillary devices such as push button interfaces
and indicator lamps. The inputs can be configured as PNP or NPN, whilst the
outputs are PNP only. The I/O can be directly controlled from within the Mint
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For industrial control applications, or even a simple assembly line, that machine can go almost 24/7 without a break. But what happens when the task is a little more complex? That’s where the “smart” machine would come in. The smart machine is one that has some simple (or complex in some cases) processing capability to be able to adapt to changing conditions. Such machines are suited for a host of applications, including automotive, aerospace, defense, medical, computers and electronics, telecommunications, consumer goods, and so on. This discussion will examine what’s possible with smart machines, and what tradeoffs need to be made to implement such a solution.