MAN0790-01
19 APR 2005
PAGE 7
Figure 6 – Example Ladder Code – Trend Data and Print Job Status Fields
4
Operation Including Print Trend Report
Note: The following procedures reference the above example, which uses data in Table 1 and
Table 2 and Ladder Code Figures 3 – 6.
1. Apply the quantities to be measured from %AI1 through %AI4.
(This references
Pressure, Flow Rate, Temperature and Level
quantities.)
2. Set %M1 through %M4 to zero.
(This references interface controls
Print Trend, Cancel Print, Store Data, Clear Data.
)
3. Set %M5 as desired for the
sample rate
.
(This references the
Scale Range,
which indicates the
time
interval that each sample occurs.)
4. Enter the
customer name, job number, and purchase order
information including
their respective
lengths
in %R1 through %R60.
5. Set %M3 (
Store Data
) to 1 to enable
data capture
. Allow the network application to run until the
desired number of sample intervals has passed.
6. Clear %M3 to zero to
stop
data acquisition
.
7. Set %M1 to
the
trend
report.
(Set at least one second.)
8. Clear %M1 to zero.
