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Re: save failed



I found out when the problem happens.
It's when I copy and paste a macro and then change something inside the macro (especcialy changing names of variables in an equation).
After this, Isibat refuses to save, but exploding and recreating the macro solves that problem.
My beautiful connection allignment is gone, but at least it works :)

greetings,
Jeroen

Bin Li wrote:
Hi, Jeroen Van der,

I can't agree with you any more. I met exactly the same terrible problems
before when I was trying to save some files, especially when there were some
macros in the projects. That was like a nightmare. :( It seems that IISiBat
doesn't like Macro. Here is my clumsy method, but at least it works for me:
	Never copy/paste macro. Whenever you have to do it, explode it at first.
And then copy/paste the subcomponents to anywhere you want. Make use you
save the project before you use macro again.

Bin


  
-----Original Message-----
From: owner-trnsys@xxxxxxxxxxxxxxxxxxx
[mailto:owner-trnsys@xxxxxxxxxxxxxxxxxxx]On Behalf Of Jeroen Van der
Veken
Sent: Tuesday, June 15, 2004 2:10 PM
To: trnsys@xxxxxxxxxxxxxxxxxxx
Subject: Re: negative solar radiation


the component order :
13 equations, mainly used to control the radiators and the heater
3 type 9's
type 33e
type 16h
type 69
type 56
type 41 (schedule)
5 type 14 (day/night schedules)
5 on/off controllers (for shading system)
40 tubes, diverters and tee pieces
type 3d (pump)
type 6 (ideal heater)
9 times a radiator system with type 137 (PID-controller), tubes,
diverter, tee piece, type 177 (mix of 180 and 80),
type 65
2 type 93 (value recall of zone temperatures, to send to the ambient
temperature input of the PID-controllers, radiators and tubes and use
for ventilation air temperature in toilet and bath room.)
type 25c
probably this is not really helping you much, I will sent you the TPF
and relating files.

I tried to create a macro of the whole system and copy/paste that to an
empty project, but then my computer crashed, and my file was lost
forever. When Isibat refuses to save it is also quite unstable.
Even saving every five minutes on the hard disk and on a memory stick
doesn't help much, as the file on the memory stick can be opened but
can't be saved either.
What do you mean with replicate the error ? I can't save it when it
happens, since that is the problem...
I will download the updated version of the Isibat, maybe that will help...


Jeff Thornton wrote:

    
At 02:50 PM 6/15/2004 +0200, you wrote:

      
That is no problem anymore if I lower the timestep to 0.1 hour and
less, and/or reduce the power of the radiation. However, with smaller
timesteps I get the error
***** ERROR *****        UNIT  20 TYP # 56
NEGATIVE VALUE OF SOLAR RADIATION FOR  5. ORIENTATION ENCOUNTERED.
SIMULATION STOPPED.
If I follow the radiation from the radiation processor, this doesn't
seem the case. It seems that the problem is in Type56.
        
This can happen sometimes if the component order in IISiBat isn't
ideal.  We've noticed it a few times when we have Type 16 followed by
Type 56 followed by a Type 34 shading device.  Type 56 gets the
incidence angle from Type 16 and an older value of radiation from Type
34 at the first iteration and errors out.  Check for situations like
this.

      
And to make it really frustrating, TRNSYS doesn't appear to like my
TPF-files and announces from time to time when I want to save the
project "save failed". Trying to save it on another disk or diskette
doesn't work and when I reboot my computer, the whole file seems to
have dissapeared from the hard disk. Not only the latest changes, the
whole thing.
        
If that happens, copy everything in the project and paste it to a new
project - then save the new project.  Can you replicate the error so
we can forward it on to the IISiBat developers?

Jeff



      
******************************************************************
***************
    
Thermal Energy System Specialists (TESS)
Jeff Thornton                                   2916 Marketplace Drive
Principal                                       Suite 104
Phone:  (608) 274-2577                  Madison WI 53719
Fax:  (608) 278-1475                            USA
E-mail:   thornton@xxxxxxxxxxxx
Web Page:       www.tess-inc.com

"Providing software solutions for today's energy engineering projects"

      
******************************************************************
***************
    

      


  

Attachment: gbou_rij_K55_radiatoren7.TPF
Description: Binary data

#ESI!
1.0
TYPE137
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25/5/2004

25/5/2004
1

noowner

 
 
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1

0

NMF

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NMF
 

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1


C:\Trnsys15\Types\TYPE137.FOR

TRNSYS

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Setting Value
SN
1

simple
real
1
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[ ; ]
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Feedback variable
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ERO
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SIO
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DES
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Integral action
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differential action
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real
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Integral Gain
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1

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real
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[ ; ]
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Differential Gain
SN
1

simple
real
3
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[ ; ]
4.5
0
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Controller Mode
SN
1

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real
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*** trnModel specific properties ***
9999
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4
Proportional Gain
Integral Gain
Differential Gain
Controller Mode


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1
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1
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1
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1
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#ESI!
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type 177
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1

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5/6/2004
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1

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C:\Trnsys15\EL2EP_types\Type177.for

TRNSYS

14
Cp
SN
1

simple
real
3
+
-Inf
+Inf
[ ; ]
4.187
0
-
dimensionless
Radiator mode
SN
1

simple
real
3
+
-Inf
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[ ; ]
1
0
-
dimensionless
Nominal Power
SN
1

simple
real
3
+
-Inf
+Inf
[ ; ]
5000
0
-
dimensionless
Radiator exponent
SN
1

simple
real
3
+
-Inf
+Inf
[ ; ]
1.3
0
-
dimensionless
Radiator thermal capacitance
SN
1

simple
real
3
+
-Inf
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[ ; ]
67.87
0
-
dimensionless
Tolerance
SN
1

simple
real
3
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[ ; ]
0.001
0
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dimensionless
radiator temperature
SN
1

simple
real
5
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[ ; ]
40
0
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water supply temperature
SN
1

simple
real
1
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[ ; ]
68
0
C
Temperature
ambient temperature
SN
1

simple
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20
0
C
Temperature
mass flow rate
SN
1

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1
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[ ; ]
0
0
kg/hr
Flow Rate
water exhaust temperature
SN
1

simple
real
2
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[ ; ]
38
0
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water mass flow rate
SN
1

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real
2
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Flow Rate
power  emitted by radiator
SN
1

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[ ; ]
5000
0
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power injected in radiator
SN
1

simple
real
2
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[ ; ]
0
0
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dimensionless
0
0
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0
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*** trnModel specific properties ***
9999
177




0



0



0



0



0
6



0





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0





0





6
Cp
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Nominal Power
Radiator exponent
Radiator thermal capacitance
Tolerance


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0


1
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0
3
0


1
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0
5
0


1
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0
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1
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