Operator ( =+ ) in structured text language

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Hello everybody ,
i am using now a structrd text lauguage for some project , and now i need to excute
the operator ( += ) , which is not found in structured text language.
what is the other ways to excute such this operator.
thank you .

What I have tried:

BOOST_VALVE_PID.ESUM  +=: BOOST_VALVE_PID.KP

here is gives an error becuase of this operator

Posted 2-Jul-18 1:32am

BaselAla

Updated 2-Jul-18 1:37am

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Richard MacCutchan 2-Jul-18 8:04am

Check the language documentation for available operators.

2 solutions

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OriginalGriff · Answer 1 · 2018-07-02T01:36:00

Solution 1

Try something like:

BOOST_VALVE_PID.ESUM  =: BOOST_VALVE_PID.ESUM  + PBOOST_VALVE_PID.KP

Posted 2-Jul-18 1:36am

OriginalGriff

Comments

BaselAla 2-Jul-18 8:26am

thank you !

OriginalGriff 2-Jul-18 8:38am

You're welcome!

Member 7870345 · Answer 2 · 2018-07-02T01:37:00

Solution 2

Please try:

BOOST_VALVE_PID.ESUM  =: BOOST_VALVE_PID.ESUM + BOOST_VALVE_PID.KP

In general

a += b

means

a= a+b

Posted 2-Jul-18 1:37am

Member 7870345

Updated 2-Jul-18 1:42am

v2

Comments

BaselAla 2-Jul-18 8:26am

thank you !