Programming for Mutual exclusive events

Hello Everyone,
I am trying to program for mutual exclusive events. I put together a program and I need your advice in implementing this scenario.
I attached copy of the program I created in RSLogix 5000. I used a timer to create a delay between switching from one event to another. I am keeping in mind that having the two events occur at the same time may be a potential danger.

I am controlling the event by turning off the scan to a subroutine, this is the part am not sure if disabling the scan will totally stop the event. Your advice is crucial here.

For this example I put one rung in the subroutines, the actual program will be having analog I/O control programs controlling 0-10V and 4-20mA devices.

Any help or advice is highly appreciated

Thanks

Attachments: program file

Guys,
Here is the attachment of the program file.

Thanks

I guess you forgot to attach the program

I can take a look at it for you tomorrow, but im sure its a matter of time before someone here can help

EDIT** seems like you posted your zip file after i posted my post.

Without looking at the code i can tell you this, it would not be wise to disable one event from turning on when another even is on by disabling the routine, i would write logic to interlock one even from executing when the other is on

Hi dbh6,
Were you able to look at the program?
Thanks for your help.

sorry i've been overloaded with work, if i have time over the weekend i'll try to look at it

If you don't call a subroutine any outputs controlled by rungs within it stay in the state set in the last scan. It DOES NOT turn them off. Be sure you realise this.

How do i properly disable analog input and outputs in a subroutine? I am trying to program two analog outputs that are to be mutually exclusive.

Thanks

why do you need to disable the Analogues. simply examine the different results.
I dont have rs5000 at the moment

I am trying to control two devices with one source. the source is powered by either analog output*1 or output*2. in order to switch from output*1 to output*2, I am trying to turn off output*1 completely before turning on output*2.

Thnaks any help will be great.

you will need a few switching states not just two.
State 1 = OP1 and OP2 @ zero (initial start or similar)
state 2 = OP1 controlled
State 3 = OP1 to zero
State 4 = OP2 controlled
State 5 = OP2 to Zero
State 6 = go to state 2

That might help you
I am assuming that turning Off means 0v or 4mA

Thanks,
if you dont mind i ask, how is the switching states implemented? will SQL function work?

move an integer to a register
compare value
move next value to the same register

MOV
EQU
LES
GEQ
LEQ

that is a guide