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Topics - leo9

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1
Technical support / PID ramp temperature control
« on: June 11, 2003, 07:30:35 PM »
Hi,
Can anybody help by means of an example on the following using T100md888.
Start cycle: Ambient temperature freeze to -45 C in 15 minutes. Hold at -45 C for 165 minutes. Ramp (increment) heating from -45 C to +40 C in 1080 minutes. Hold at +40 for 120 minutes. Cycle ends.
Thanks. ???

2
Technical support / HVAC Control
« on: July 25, 2003, 11:04:35 PM »
I have an SYNTAX ERROR in a dCusf HVAC control.
I have the tried your HVAC sample and have exactly the same problem. If you refer to the sample program the syntax error occurs at  CLRIO OUT1
IF S -T > 15
    SETIO OUT1
ELSE
    CLRIO OUT1  T < 1.5
Kindly advice

3
Technical support / MD-HMI
« on: August 11, 2003, 05:36:30 PM »
I have a T100MD 888 and MD-HMI.
My program runs under simulation mode and key inputs and led's outputs works.
However when I down load the program to the plc none of the keys or led?s work on MD-HMI?
 Further if I go to online monitoring and activate the keys it works. Did I miss something?
I have assign inputs 10=key 0 ~19=key 9, 20=key delete, 21= key enter, 22=F1 ~25=F4.
Outputs 10=led 1~ 13=led 4, 14=F1 led~ 17=F4 led.
Kindly advise. ???

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