beautypg.com

Test the tof predefined function – Rockwell Automation 2080-LC10-12DWD Micro810 Programmable Controllers User Manual User Manual

Page 100

background image

92

Rockwell Automation Publication 2080-UM001D-EN-E - September 2012

Appendix C Quickstarts

6. Press the RIGHT arrow button once to select the IN parameter field. This

marks the start for the Off-delay timer.
Press the DOWN arrow button four time to change IN parameter value to
I02.

7. Press the RIGHT arrow button once to select the Time-Resolution

parameter field. This input determines the unit of Off-delay timer.
Press the DOWN arrow button once to change time parameter setting
to SS:MS.

8. Press the RIGHT arrow button once to select the first digit entry for the

PT parameter field.
a. Press the UP arrow button once to get the digit value of 1.
b. Press the RIGHT arrow button once to select the second entry in PT

parameter field.

c. Press the UP arrow button five times to get the digit value of 5.
d. Press the RIGHT arrow button twice to select the fourth digit entry in

PT parameter field.

e. Press the DOWN arrow button once to get the digit value of zero.

9. Press the OK button to submit the parameter changes.

A screen confirms your request to save the parameter changes. Press the
OK button to save the changes.

Test the TOF Predefined Function

The TOF instruction energizes the output when input IN makes a transition
from low to high. Then, it starts the Off-delay timer when input IN makes a
transition from high to low. When the elapsed time ET increments up to the