Table of Contents
Advertisement
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
in which data collection timing is t o 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 differs from the monitor device, use a sequence pro-
gram 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.
(4)
Restrictions when creating monitoring screens
See Section 4.9 for restrictions when using a monitoring function in
which a level is displayed.
Advertisement
Table of Contents
