RE: [EnergyPlus_Support] using macro to concatinate zoneprefix to variable name

Hi, jean

The parameter names in the square bracket must be unique.   More of the same name does not make sense.
===========================
##def CO2_EMS_FOR_ZONES [ mmZone ]

EnergyManagementSystem:GlobalVariable,
#EVAL[ CO2_EMS_FOR_ZONES [ mmZone ] // _CurrentCO2Concentration ],
#EVAL[ CO2_EMS_FOR_ZONES [ mmZone ] // _CurrentCO2SP ],
#EVAL[ CO2_EMS_FOR_ZONES [ mmZone ] // _CurrentDamperPos ];
#enddef
=========================

CO2_EMS_FOR_ZONES [Zone1]

should give you:-

EnergyManagementSystem:GlobalVariable,
Zone1_CurrentCO2Concentration,
Zone1_CurrentCO2SP,
Zone1_CurrentDamperPos ;

When using a MACRO just before a 'semicolon', add a space before the semicolon to indicate the end of the macro. Otherwise, the semicolon may be part of the macro name and not recognized for expansion.
===========================

If you want the substitution to come out as zonex, zoney and zonez, then
=============================
##DEF CO2_EMS_FOR_ZONES [ mmZone1 ,mmZone2 ,mmZone3   ]
New example,
    mmZone3,
    mmZone2 ;

##enddef
=========================
The macro call line below illustrate that the name is substituted in whole. The numbering in the macro definition need not be the order of the paraters.

CO2_EMS_FOR_ZONES [ Zone10, Zone100, Zone0 ]

would expand to:-
=====================
New example,
Zone0,
Zone100 ;

===================

Dr. Li

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: jeannieboef@xxxxxxxxx
Date: Thu, 15 Sep 2011 09:57:18 +0000
Subject: [EnergyPlus_Support] using macro to concatinate zoneprefix to variable name

Can anyone give me a small example of using the #eval and // to concatinate ZoneName with "otherVariable" in a #set1 or #def declaration?

Something like:

##DEF CO2_EMS_FOR_ZONES [ mmZone,mmZone,mmZone,mmZone,mmZone,mmZone,mmZone,mmZone,mmZone,mmZone ]

EnergyManagementSystem:GlobalVariable,
#EVAL[ CO2_EMS_FOR_ZONES [ mmZone ] // _CurrentCO2Concentration ],
#EVAL[ CO2_EMS_FOR_ZONES [ mmZone ] // _CurrentCO2SP ],
#EVAL[ CO2_EMS_FOR_ZONES [ mmZone ] // _CurrentDamperPos ];

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