Re: [foxboro] Calca Block Logic Help

Not sure what's going on at your Step 3.

Try this.  Connect your TOGGLE to .BO02.


(1)In RI01
(2)SUB M01  (which is 1.0)
(3)
(4)In RI02
(5)In RI03
(6)Add 3
(7)BIZ 9 (Set the Bit)
(8)GTO 11 (Clr the Bit)
(9)SET BO01
(10)GTO 12
(11)CLR BO01
(12)IN BO01
(13)OSP
(14)BIT 16
(15)EXIT
(16)IN BO02
(17)NOT
(18)OUT BO02
(19)END

______________________________________________________________________________________


Greg Hurwitt
Engineering Associate


E-Mail:  gregory.hurwitt@xxxxxxxx
Postal Address:
BASF Corporation
602 Copper Road
Freeport, TX 77541
USA

BASF - The Chemical Company



                                                                           
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Hi list,


I need some help with some calc block logic.....I think I'm having a
brain fart as I cannot get this.

What I want to do is use a calc block to set a bit (BO01) to 1 for one
minute at midnight on the first day of every month.  I've set RI01 =3D
Station.day, RI02 to Station.hour and RI03 to Station.Minute.  Then I
want to use this bit to toggle a SWCH block and hold it toggle for 1
month until the next 1st day at midnight comes and toggle the other way.
Here is what I have so far but I cannot get it to remember the toggle
bit so as to keep the SWCH Block Toggled

(1)In RI01
(2)SUB M01  (which is 1.0)
(3)MIN=20
(4)In RI02
(5)In RI03
(6)Add 3
(7)BIZ 9 (Set the Bit)
(8)GTO 11 (Clr the Bit)
(9)SET BO01
(10)EXIT
(11)CLR BO01

Then I was using a Flip Flop to remember this BO01 but I don't know how
to reset it when the next month comes around so that it will change the
toggle on the SWCH Block.  Any help would be much appreciated!


Dale Gillis

=20


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