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3. AD57G
MONITORING FUNCTIONS
MELSEC-A
(3)
Sequence program set by using the
PC CPU
A sequence program which satisfies the following item is necessary.
However, it is not necessary to create the following sequence program
if the sequence program data for doing monitoring control can be used
as is.
(a) Data collection trigger
A
sequence program is necessary to turn ON and OFF the bit device
i n which data collection timing is to be determined when specifying
the leading edge and falling edge of a bit device.
(b) Monitor device
A value stored in a monitor device is handled as
16- or 32-bit data.
If the weight varies from the monitor device, use asequence program
to do weight conversion.
Control the value so that a graph in the range from the lower limit to
the upper limit can be displayed.
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