Creating a Point SECTION 3 Points
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• A Memory Resident point is provided internally by CX-Supervisor.
• An Input point receives data from an external device.
• An Output point sends data to an external device.
• An Input/Output point both sends data to and receives data from an
external device.
3-4-5 Memory Attributes
The Array Size field allows Memory Point arrays to be created. If an Array Size
of 1 is specified, a single point is created. Specifying any other value creates
an array of points of this type.
This option is only available to Memory Resident points.
3-4-6 I/O Update Rate
The I/O Update Rate specifies how and when communication with the PLC
takes place.
This option is not available to Memory Resident points.
The On Change option specifies that communication with the PLC occurs
automatically as a result of a value change.
The On Request option specifies that data updates with the PLC will be
manually requested using the scripting commands InputPoint and
OutputPoint. The point is updated internally but only communicates with the
PLC when requested to by the script commands.
The On Interval option specifies the frequency that communications occur
with the PLC. When this option is selected an list box appears allowing the
frequency to be entered.
3-4-7 I/O Attributes
The I/O Attributes option specifies the external source or destination for the
point.
This option is not available to Memory Resident points.
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