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EMS: Failure to read Schedule value during Warmup

My end-goal is to load different Schedule values based on some conditions. I have setup a minimal complete and verifiable example (MCVE) to showcase a problem that you can find here. For this I have basically set up some Sensors that read some schedule values (will end up being Schedule:File objects), and a "Shadow" schedule that has an EMS Actuator attached to it.

During the Warmup, I am facing a problem where the schedule value isn't initialized at the first ever occurrence, which causes Eplus to fatal out if I use said shadow chedule as my cooling thermostat schedule (because Cooling Setpoint ends up 0 and heating is 18). I have tried to use the BeginTimestepBeforePredictor calling point.

My MCVE is based off of 1ZoneUncontrolled.idf where I added an Ideal Loads Air Sytem, a Thermostat, and my EMS program. The important portions are recopied at the end of the post for convenience.

I also include a truncated extract from the eplusout.edd (Full EDD also available here) showing that the first occurrence only doesn't have an initialized value.

How can I circumvent this problem? I do not want to have to hardcode the very first value of this shadow schedule.


eplusout.edd:

****  Begin EMS Language Processor Error and Trace Output  *** 
<Erl program name, line #, line text, result, occurance timing information ... >
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,0.0, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,0.0, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 7,ELSE,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 8,SET COOLING_SCH_SHADOW_ACTUATOR = 32,32.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,0.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,2.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15

Important part of IDF:

ScheduleTypeLimits,
    no_limit,                      ! Name
    -1000000000.0,                 ! Lower Limit Value
    1000000000.0,                  ! Upper Limit Value
    continuous,                    ! Numeric Type
    dimensionless;                 ! Unit Type

Schedule:Constant,Heating_SCH,no_limit,18;

! A schedule for reading, will be replaced with Schedule:File
Schedule:Constant,Cooling_SCH,no_limit,26;

! The computed schedule
Schedule:Constant,Cooling_SCH_shadow,no_limit,1;

Schedule:Compact,
    schedule|dual,                 ! Name
    no_limit,                      ! Schedule Type Limits Name
    through: 12/31,                ! Field 0
    for: alldays,                  ! Field 1
    until: 24:00,                  ! Field 2
    4;                             ! Field 3

ZoneControl:Thermostat,
    ZONE ONE TSTAT,    ! Name
    ZONE ONE,   ! Zone or ZoneList Name
    schedule|dual,                 ! Control Type Schedule Name
    ThermostatSetpoint:DualSetpoint,    ! Control 1 Object Type
    Dual Setpoint,    ! Control 1 Name
    ,                              ! Control 2 Object Type
    ,                              ! Control 2 Name
    ,                              ! Control 3 Object Type
    ,                              ! Control 3 Name
    ,                              ! Control 4 Object Type
    ,                              ! Control 4 Name
    0.0;                           ! Temperature Difference Between Cutout And Setpoint

ThermostatSetpoint:DualSetpoint,
    Dual Setpoint,    ! Name
    Heating_SCH,      ! Heating Setpoint Temperature Schedule Name
    Cooling_SCH_shadow;    ! Cooling Setpoint Temperature Schedule Name

EnergyManagementSystem:Sensor,
    Cooling_SCH_Sensor,    ! Name
    Cooling_SCH,           ! Output:Variable or Output:Meter Index Key Name
    Schedule Value;        ! Output:Variable or Output:Meter Name


EnergyManagementSystem:Actuator,
    Cooling_SCH_shadow_Actuator,   ! Name
    Cooling_SCH_shadow,            ! Actuated Component Unique Name
    Schedule:Constant,             ! Actuated Component Type
    schedule value;                ! Actuated Component Control Type

EnergyManagementSystem:Program,
    Cooling_SCH_program,    ! Name
    set locCurrentEnv = CurrentEnvironment, ! Echo out for debug
    set locWeekendValue = Cooling_SCH_Sensor, ! Debug
    set locWarmup = WarmupFlag, ! Debug
    IF CurrentEnvironment < 3,    ! 1 & 2 are sizing runs (1=Winter, 2=Summer, 3=Runperiod)
        ! Without this block, simulation fails
        IF locWeekendValue > 0,
            set Cooling_SCH_shadow_Actuator = Cooling_SCH_Sensor,
        ELSE,
            set Cooling_SCH_shadow_Actuator = 32,
        ENDIF,
    ELSE,                          ! Program Line 9
        set Cooling_SCH_shadow_Actuator = 26,
    ENDIF;                         ! Program Line 18


EnergyManagementSystem:ProgramCallingManager,
    Cooling_SCH_programCallingManager,    ! Name
    begintimestepbeforepredictor,  ! EnergyPlus Model Calling Point
    Cooling_SCH_program;

EMS: Failure to read Schedule value during Warmup

My end-goal is to load different Schedule values based on some conditions. I have setup a minimal complete and verifiable example (MCVE) to showcase a problem that you can find here. For this I have basically set up some Sensors that read some schedule values (will end up being Schedule:File objects), and a "Shadow" schedule that has an EMS Actuator attached to it.

During the Warmup, I am facing a problem where the schedule value isn't initialized at the first ever occurrence, which causes Eplus to fatal out if I use said shadow chedule as my cooling thermostat schedule (because Cooling Setpoint ends up 0 and heating is 18). I have tried to use the BeginTimestepBeforePredictor calling point.

My MCVE is based off of 1ZoneUncontrolled.idf where I added an Ideal Loads Air Sytem, a Thermostat, and my EMS program. The important portions are recopied at the end of the post for convenience.

I also include a truncated extract from the eplusout.edd (Full EDD also available here) showing that the first occurrence only doesn't have an initialized value.

How can I circumvent this problem? I do not want to have to hardcode the very first value of this shadow schedule.


eplusout.edd:

****  Begin EMS Language Processor Error and Trace Output  *** 
<Erl program name, line #, line text, result, occurance timing information ... >
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,0.0, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,0.0, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 7,ELSE,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 8,SET COOLING_SCH_SHADOW_ACTUATOR = 32,32.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,0.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,2.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15

Important part of IDF:

ScheduleTypeLimits,
    no_limit,                      ! Name
    -1000000000.0,                 ! Lower Limit Value
    1000000000.0,                  ! Upper Limit Value
    continuous,                    ! Numeric Type
    dimensionless;                 ! Unit Type

Schedule:Constant,Heating_SCH,no_limit,18;

! A schedule for reading, will be replaced with Schedule:File
Schedule:Constant,Cooling_SCH,no_limit,26;

! The computed schedule
Schedule:Constant,Cooling_SCH_shadow,no_limit,1;

Schedule:Compact,
    schedule|dual,                 ! Name
    no_limit,                      ! Schedule Type Limits Name
    through: 12/31,                ! Field 0
    for: alldays,                  ! Field 1
    until: 24:00,                  ! Field 2
    4;                             ! Field 3

ZoneControl:Thermostat,
    ZONE ONE TSTAT,    ! Name
    ZONE ONE,   ! Zone or ZoneList Name
    schedule|dual,                 ! Control Type Schedule Name
    ThermostatSetpoint:DualSetpoint,    ! Control 1 Object Type
    Dual Setpoint,    ! Control 1 Name
    ,                              ! Control 2 Object Type
    ,                              ! Control 2 Name
    ,                              ! Control 3 Object Type
    ,                              ! Control 3 Name
    ,                              ! Control 4 Object Type
    ,                              ! Control 4 Name
    0.0;                           ! Temperature Difference Between Cutout And Setpoint

ThermostatSetpoint:DualSetpoint,
    Dual Setpoint,    ! Name
    Heating_SCH,      ! Heating Setpoint Temperature Schedule Name
    Cooling_SCH_shadow;    ! Cooling Setpoint Temperature Schedule Name

EnergyManagementSystem:Sensor,
    Cooling_SCH_Sensor,    ! Name
    Cooling_SCH,           ! Output:Variable or Output:Meter Index Key Name
    Schedule Value;        ! Output:Variable or Output:Meter Name


EnergyManagementSystem:Actuator,
    Cooling_SCH_shadow_Actuator,   ! Name
    Cooling_SCH_shadow,            ! Actuated Component Unique Name
    Schedule:Constant,             ! Actuated Component Type
    schedule value;                ! Actuated Component Control Type

EnergyManagementSystem:Program,
    Cooling_SCH_program,    ! Name
    set locCurrentEnv = CurrentEnvironment, ! Echo out for debug
    set locWeekendValue = Cooling_SCH_Sensor, ! Debug
    set locWarmup = WarmupFlag, ! Debug
    IF CurrentEnvironment < 3,    ! 1 & 2 are sizing runs (1=Winter, 2=Summer, 3=Runperiod)
        ! Without this block, simulation fails
        IF locWeekendValue > 0,
            set Cooling_SCH_shadow_Actuator = Cooling_SCH_Sensor,
        ELSE,
            set Cooling_SCH_shadow_Actuator = 32,
        ENDIF,
    ELSE,                          ! Program Line 9
        set Cooling_SCH_shadow_Actuator = 26,
    ENDIF;                         ! Program Line 18


EnergyManagementSystem:ProgramCallingManager,
    Cooling_SCH_programCallingManager,    ! Name
    begintimestepbeforepredictor,  ! EnergyPlus Model Calling Point
    Cooling_SCH_program;

EMS: Failure to read Schedule value during Warmup

My end-goal is to load different Schedule values based on some conditions. I have setup a minimal complete and verifiable example (MCVE) to showcase a problem that you can find here. (use Golden CO Epw file). For this I have basically set up some Sensors that read some schedule values (will end up being Schedule:File objects), and a "Shadow" schedule that has an EMS Actuator attached to it.

During the Warmup, I am facing a problem where the schedule value isn't initialized at the first ever occurrence, which causes Eplus to fatal out if I use said shadow chedule as my cooling thermostat schedule (because Cooling Setpoint ends up 0 and heating is 18). I have tried to use the BeginTimestepBeforePredictor calling point.

My MCVE is based off of 1ZoneUncontrolled.idf where I added an Ideal Loads Air Sytem, a Thermostat, and my EMS program. The important portions are recopied at the end of the post for convenience.

I also include a truncated extract from the eplusout.edd (Full EDD also available here) showing that the first occurrence only doesn't have an initialized value.

How can I circumvent this problem? I do not want to have to hardcode the very first value of this shadow schedule.


eplusout.eddeplusout.edd extract:

****  Begin EMS Language Processor Error and Trace Output  *** 
<Erl program name, line #, line text, result, occurance timing information ... >
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,0.0, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,0.0, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 7,ELSE,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 8,SET COOLING_SCH_SHADOW_ACTUATOR = 32,32.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
[...]
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,0.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 00:00 - 00:15
[...]
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=WINTER DD, 12/21 23:45 - 24:00
[...]
COOLING_SCH_PROGRAM,Line 1,SET LOCCURRENTENV = CURRENTENVIRONMENT,2.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 2,SET LOCWEEKENDVALUE = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 3,SET LOCWARMUP = WARMUPFLAG,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 4,IF CURRENTENVIRONMENT < 3,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 5,IF LOCWEEKENDVALUE > 0,1.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 6,SET COOLING_SCH_SHADOW_ACTUATOR = COOLING_SCH_SENSOR,26.000000, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 9,ENDIF,, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
COOLING_SCH_PROGRAM,Line 12,ENDIF,, During Warmup & Sizing, Occurrence info=SUMMER DD, 07/21 00:00 - 00:15
[...]

Important part of IDF:

ScheduleTypeLimits,
    no_limit,                      ! Name
    -1000000000.0,                 ! Lower Limit Value
    1000000000.0,                  ! Upper Limit Value
    continuous,                    ! Numeric Type
    dimensionless;                 ! Unit Type

Schedule:Constant,Heating_SCH,no_limit,18;

! A schedule for reading, will be replaced with Schedule:File
Schedule:Constant,Cooling_SCH,no_limit,26;

! The computed schedule
Schedule:Constant,Cooling_SCH_shadow,no_limit,1;

Schedule:Compact,
    schedule|dual,                 ! Name
    no_limit,                      ! Schedule Type Limits Name
    through: 12/31,                ! Field 0
    for: alldays,                  ! Field 1
    until: 24:00,                  ! Field 2
    4;                             ! Field 3

ZoneControl:Thermostat,
    ZONE ONE TSTAT,    ! Name
    ZONE ONE,   ! Zone or ZoneList Name
    schedule|dual,                 ! Control Type Schedule Name
    ThermostatSetpoint:DualSetpoint,    ! Control 1 Object Type
    Dual Setpoint,    ! Control 1 Name
    ,                              ! Control 2 Object Type
    ,                              ! Control 2 Name
    ,                              ! Control 3 Object Type
    ,                              ! Control 3 Name
    ,                              ! Control 4 Object Type
    ,                              ! Control 4 Name
    0.0;                           ! Temperature Difference Between Cutout And Setpoint

ThermostatSetpoint:DualSetpoint,
    Dual Setpoint,    ! Name
    Heating_SCH,      ! Heating Setpoint Temperature Schedule Name
    Cooling_SCH_shadow;    ! Cooling Setpoint Temperature Schedule Name

EnergyManagementSystem:Sensor,
    Cooling_SCH_Sensor,    ! Name
    Cooling_SCH,           ! Output:Variable or Output:Meter Index Key Name
    Schedule Value;        ! Output:Variable or Output:Meter Name


EnergyManagementSystem:Actuator,
    Cooling_SCH_shadow_Actuator,   ! Name
    Cooling_SCH_shadow,            ! Actuated Component Unique Name
    Schedule:Constant,             ! Actuated Component Type
    schedule value;                ! Actuated Component Control Type

EnergyManagementSystem:Program,
    Cooling_SCH_program,    ! Name
    set locCurrentEnv = CurrentEnvironment, ! Echo out for debug
    set locWeekendValue = Cooling_SCH_Sensor, ! Debug
    set locWarmup = WarmupFlag, ! Debug
    IF CurrentEnvironment < 3,    ! 1 & 2 are sizing runs (1=Winter, 2=Summer, 3=Runperiod)
        ! Without this block, simulation fails
        IF locWeekendValue > 0,
            set Cooling_SCH_shadow_Actuator = Cooling_SCH_Sensor,
        ELSE,
            set Cooling_SCH_shadow_Actuator = 32,
        ENDIF,
    ELSE,                          ! Program Line 9
        set Cooling_SCH_shadow_Actuator = 26,
    ENDIF;                         ! Program Line 18


EnergyManagementSystem:ProgramCallingManager,
    Cooling_SCH_programCallingManager,    ! Name
    begintimestepbeforepredictor,  ! EnergyPlus Model Calling Point
    Cooling_SCH_program;