Here's some sample code for you.
APP_NAME : SN0001; { Name of DMC application }
CNTDWN : SN0009; { AOA reference for CNTDWN }
...
{ This stores the destination tag as a string into CNTDWN}
CNTDWN := APP_NAME,":DMCOP.CNTDWN";
{ This clears the count down timer. Note the use of : and ' }
:'CNTDWN' := 0;
You can use string variables rather than parameters. I like to use the
parameters as a debugging aid.
Hope this helps.
Regards,
Alex Johnson
10707 Haddington
Houston, TX 77063
713.722.2859(v)
713.722.2700(sb)
713.932.0222(f)
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
From: Baltus, C.J.M. [SMTP:[EMAIL PROTECTED]]
Sent: Tuesday, October 17, 2000 1:27 PM
To: Foxboro DCS mailing list (E-mail)
Cc: Wilfred Kram (E-mail)
Subject: Variable selection in a sequence
Hi All, (I think this is the standard opening)
I will introduce myself first, I am a DCS engineer working for 2
years with
Foxboro IA, in a small wet country.
I am following this list since I started with Foxboro IA and I saw
many
problems solved. Now here is my problem (perhaps its a stupid one,
but I'm
breaking my wooden shoe on it).
I want to make a variable selection in a sequence, its written in
SFC.
First I made a macro called:
PUMP1 :TEST:GDEV1.AUTDSR
PUMP2 :TEST:GDEV2.AUTDSR
Then I made a variable called:
PUMP and attached to BOOL
In the first selection I want
PUMP := PUMP1;
the following step:
PUMP := TRUE;
and when I return to the beginning I perhaps want PUMP select to:
PUMP := PUMP2;
the following step:
PUMP := TRUE;
But what I tried, it didn't work, has someone got a solution ?? This
will be
written for a selection of 32 posibilties
With Kind Regards,
Cor-Jan Baltus
DCS Engineer
KH-AMEC Engineering
Bergen op Zoom
the Netherlands
* [EMAIL PROTECTED]
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