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Script advise for xPDisplay on a b3 controller in StruxureWare Building Operation

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Script advise for xPDisplay on a b3 controller in StruxureWare Building Operation

Picard Product_Support
‎2018-09-06 12:07 PM

Last Updated: Dave_Shore Schneider Alumni (Retired) ‎2024-01-25 12:52 AM

Issue

Script advise for xPDisplay on a b3/i2 controller

Product Line

EcoStruxure Building Operation

Environment

  • i2 and b3 Controller
  • xP Display

Cause

The xP Display was designed when only Continuum was available (before EBO) and there was no documentation for EBO. Scripts need to be used to control the xP Display

Binding to Object LCDAnswerString directly via "String Input" or "String Output" in a script program

Then doing a check 
If LCDAnswerString <> ""  then
causes the script to disable with errors.

"" = Null

Resolution

A simple way around this is to do the script check on another (manually created) string that is bound to the object LCDAnswerString
Thus the following will work:

 Numeric Input LCDKeyStroke       'bind to LCDKeyStroke    - this can also be used to set to zero. eg. LCDKeyStroke = 0
String Input LCDAnswerStrCopy   'bind eg LCDAnswerStrCopy  - use this to read the LCDAnswerString value
String Output LCDAnswerString    'LCDAnswerString  - use this to set to Null eg. LCDAnswerString = ""
Numeric Output AAA

Line Wait4Value
If LCDAnswerStrCopy <> "" then  'check if a value has been input
   AAA = minimum(maximum(0, StrToNum(LCDAnswerStrCopy)), 100) 'Make AAA equal the input (min0, max100)
   LCDAnswerString = ""     'reset LCDAnswerString back to Null
Endif

Outside this script, the manually created string object LCDAnswerStrCopy needs to be bound to LCDAnswerString, this can be achieved directly (change the binding type to COV) or via another script (use Print LCDAnswerString to LCDAnswerStringCopy)

Note

v4.0 export, script text attached and install guide attached

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Labels:
  • EcoStruxure Building Operation
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