When a timer is placed in RS Logix 5000 with preset value
less than its scan time it is malfunctioning. i.e., if the
preset is set to 30ms still the timer TT bit is counting
till 150ms(its scan time). Any solution for the problem?
Answers were Sorted based on User's Feedback
Answer / kean barton
I added a periodic task that runs every millisecond. The
main program has a max scan time of 15 millisecond but I can
still use timing down to the millisecond in that routine.
Good luck with it!
Is This Answer Correct ? | 2 Yes | 0 No |
what is the process to make control schematic ?
Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?
i have one tank of 500mm height, which is in under vacuum of 735 mmHg, I want measure level of the same using DPT , SO WHAT WILL BE THE URV & LRV, DENSITY OF THE TANK FLUID IS 0.95. is there necessary to fill the LP side with fluid.
wt kind of business we can do by usig PLC?
can i use 1 sq mm insted of 1.5 sqmm cable cable length 600 mts under ground laying Cable carrying 24 vdc 4-20ma current
The process variables that need to monitored and controlled are ________, ________, _________ and
How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?
Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .
2 Answers Jindal, Sadara Chemicals,
What is the difference between HMI and SCADA?
What is the procedure of DP switch calibration
I am manjunath having exp in maintenance of chemical plants,know i want to do a design course INTOOLS,after doing design course can we get jobs in design field.sinve i dont have design exp..
What is the difference between Error and Offset.