Author Topic: reversible counter  (Read 12863 times)

kenobe

  • Jr. Member
  • Posts: 66
  • I'm a llama!
    • View Profile
reversible counter
« on: July 20, 2008, 12:09:35 AM »
Hi ::)
I need to set up a reversible counter to count some events
I am using T100m 888
I read the referene manual.pdf , but could not quite figure it out.
can someone pls tell me how to do it.


Thanks

support

  • Global Moderator
  • Hero Member
  • *****
  • Posts: 3174
    • View Profile
    • Internet Programmable PLCs
Re:reversible counter
« Reply #1 on: July 20, 2008, 10:27:06 AM »
   Ctup        C1
|--||-------[UpCtr]

   CtDn        C2
|--||-------[DNCtr]


[UpCtr] and [DnCtr] functions are available from the special function menu ----[Fn]9
Email: support@triplc.com
Tel: 1-877-TRI-PLCS

kenobe

  • Jr. Member
  • Posts: 66
  • I'm a llama!
    • View Profile
Re:reversible counter
« Reply #2 on: July 21, 2008, 01:52:12 AM »
Thanks for your reply.
but  can I not then use one counter eg:C1 as reversible up/down counter.
My program is as follow:



  CtUp    C1
|--||---( Upctr)
  CtDn    C1
|--||---( Dnctr)

so that I can use ctup and ctDn to count up/down of Counter C1?

how do I compare the counter value with some value say '4'?
ie: how do I know that the counter has counted 4 which is not the set value

Thanks


support

  • Global Moderator
  • Hero Member
  • *****
  • Posts: 3174
    • View Profile
    • Internet Programmable PLCs
Re:reversible counter
« Reply #3 on: July 21, 2008, 02:21:01 AM »
Sorry, my typo error. Yes, I meant that both functions operates on counter C1 so your circuit is correct.

If you use a TBASIC custom function, you can easily check the value of the counter:

IF CTRPV[1] = 4 THEN
   ...
ELSE
   ...
ENDIF


« Last Edit: July 23, 2008, 03:59:07 AM by support »
Email: support@triplc.com
Tel: 1-877-TRI-PLCS

kenobe

  • Jr. Member
  • Posts: 66
  • I'm a llama!
    • View Profile
Re:reversible counter
« Reply #4 on: July 22, 2008, 10:51:33 PM »
Thank you very much , sincerely