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Updated RA Temp, SA Temp, RA Humidity Alarms

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Added capability to set RA Temp, SA Temp, RA Humidity to Low, Normal, High range for alarms testing (added alarm registers). Updated Common alarm code appropriately.
This commit is contained in:
RobertJDavis
2025-12-08 21:02:12 -06:00
parent b25048f0e6
commit 9adcdd8a39
6 changed files with 225 additions and 69 deletions
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196
src/BMS/CRAH/CRAH_UMAS_TCP/StateUtils.cpp
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@@ -53,6 +53,158 @@ void updateControlMode(Equipment<ModbusIP>* equipment){
equipment->setModbus_Point("Control Mode Selected", Control_Mode_Selected);
}
/**
* @brief The purpose of this function is for testing the RA Temp, SA Temp, and RA Humidity alarms (Ignition HMI display)
* User will manually set Alarms through Modscan coils, which will change RA Temp or RA Humidity accordingly.
* The RA Temp alarm limits (reference Ignition UDT) are 72, 100.
* The SA Temp alarm limits (reference Ignition UDT) are 72, 78.
* The RA Humidity alarm limits (reference Ignition UDT) are 20, 60.
* If an associated alarm coil is not active, the analog values are set to a safe, un-alarmed value.
*
* This is a function used in the update() of the Running State.
*
*/
void updateAnalogs(Equipment<ModbusIP>* equipment){
if (equipment->getModbus_Point("RA Temp NORMAL")->getValue()==1){
equipment->setModbus_Point("Return Air Temp", 86.0f);
equipment->setModbus_Point("RA Temp Low Alarm ON", 0);
equipment->setModbus_Point("RA Temp High Alarm ON", 0);
equipment->setModbus_Point("RA Temp NORMAL", 0);
}
else if (equipment->getModbus_Point("RA Temp Low Alarm ON")->getValue() ==1){
equipment->setModbus_Point("Return Air Temp", 62.0f);
equipment->setModbus_Point("RA Temp High Alarm ON", 0);
}
else if (equipment->getModbus_Point("RA Temp High Alarm ON")->getValue()==1){
equipment->setModbus_Point("Return Air Temp", 106.0f);
equipment->setModbus_Point("RA Temp Low Alarm ON", 0);
}
if (equipment->getModbus_Point("RA Humidity NORMAL")->getValue()==1){
equipment->setModbus_Point("Return Air Humidity", 25.0f);
equipment->setModbus_Point("RA Humidity Low Alarm ON", 0);
equipment->setModbus_Point("RA Humidity High Alarm ON", 0);
equipment->setModbus_Point("RA Humidity NORMAL", 0);
}
else if (equipment->getModbus_Point("RA Humidity Low Alarm ON")->getValue()==1){
equipment->setModbus_Point("Return Air Humidity", 6.0f);
equipment->setModbus_Point("RA Humidity High Alarm ON", 0);
}
else if (equipment->getModbus_Point("RA Humidity High Alarm ON")->getValue()==1){
equipment->setModbus_Point("Return Air Humidity", 80.0f);
equipment->setModbus_Point("RA Humidity Low Alarm ON", 0);
}
if (equipment->getModbus_Point("SA Temp NORMAL")->getValue()==1){
equipment->setModbus_Point("Supply Air Temp", 76.0f);
equipment->setModbus_Point("SA Temp Low Alarm ON", 0);
equipment->setModbus_Point("SA Temp High Alarm ON", 0);
equipment->setModbus_Point("SA Temp NORMAL", 0);
}
else if (equipment->getModbus_Point("SA Temp Low Alarm ON")->getValue() ==1){
equipment->setModbus_Point("Supply Air Temp", 60.0f);
equipment->setModbus_Point("SA Temp High Alarm ON", 0);
}
else if (equipment->getModbus_Point("SA Temp High Alarm ON")->getValue()==1){
equipment->setModbus_Point("Supply Air Temp", 90.0f);
equipment->setModbus_Point("SA Temp Low Alarm ON", 0);
}
}
void updateReturnAirTempAlarms(Equipment<ModbusIP>* equipment){
Modbus_Point<ModbusIP>* returnAirTemp = equipment -> getModbus_Point("Return Air Temp");
Modbus_Point<ModbusIP>* returnTempHighAlarmSP = equipment->getModbus_Point("Return Air Temp Alarm High SP");
Modbus_Point<ModbusIP>* returnTempLowAlarmSP = equipment->getModbus_Point("Return Air Temp Alarm Low SP");
//Modbus_Point<ModbusIP>* returnTempHighAlarm = equipment->getModbus_Point("Alarm High Return Air Temp");
//Modbus_Point<ModbusIP>* returnTempLowAlarm = equipment->getModbus_Point("Alarm Low Return Air Temp");
//int RATemp = returnAirTemp->getValue();
//int RATempHighAlm = returnTempHighAlarmSP->getValue();
//int RATempLowAlm = returnTempLowAlarmSP->getValue();
//equipment->setModbus_Point("RATemp Value", RATemp);
//equipment->setModbus_Point("RATempHighAlm Value", RATempHighAlm);
//equipment->setModbus_Point("RATempLowAlm Value", RATempLowAlm);
if (returnAirTemp->getValue() < returnTempLowAlarmSP->getValue()) {
equipment->setModbus_Point("Alarm Low Return Air Temp", 1);
equipment->setModbus_Point("Alarm High Return Air Temp", 0);
//returnTempHighAlarm->setValue(1);
}
else if (returnAirTemp->getValue() > returnTempHighAlarmSP->getValue()) {
equipment->setModbus_Point("Alarm High Return Air Temp", 1);
equipment->setModbus_Point("Alarm Low Return Air Temp", 0);
//returnTempLowAlarm->setValue(1);
}
else{
equipment->setModbus_Point("Alarm High Return Air Temp", 0);
equipment->setModbus_Point("Alarm Low Return Air Temp", 0);
//returnTempHighAlarm->setValue(0);
//returnTempLowAlarm->setValue(0);
}
}
void updateSupplyAirTempAlarms(Equipment<ModbusIP>* equipment){
Modbus_Point<ModbusIP>* supplyAirTemp = equipment -> getModbus_Point("Supply Air Temp");
Modbus_Point<ModbusIP>* supplyTempHighAlarmSP = equipment->getModbus_Point("Supply Air Temp Alarm High SP");
Modbus_Point<ModbusIP>* supplyTempLowAlarmSP = equipment->getModbus_Point("Supply Air Temp Alarm Low SP");
/**
int SATemp = supplyAirTemp->getValue();
int SATempHighAlm = supplyTempHighAlarmSP->getValue();
int SATempLowAlm = supplyTempLowAlarmSP->getValue();
equipment->setModbus_Point("SATemp Value", SATemp);
equipment->setModbus_Point("SATempHighAlm Value", SATempHighAlm);
equipment->setModbus_Point("SATempLowAlm Value", SATempLowAlm);
*/
if (supplyAirTemp->getValue() > supplyTempHighAlarmSP->getValue()) {
equipment->setModbus_Point("Alarm High Supply Temp", 1);
equipment->setModbus_Point("Alarm Low Supply Temp", 0);
}
else if (supplyAirTemp->getValue() < supplyTempLowAlarmSP->getValue()) {
equipment->setModbus_Point("Alarm Low Supply Temp", 1);
equipment->setModbus_Point("Alarm High Supply Temp", 0);
}
else{
equipment->setModbus_Point("Alarm High Supply Temp", 0);
equipment->setModbus_Point("Alarm Low Supply Temp", 0);
}
}
void updateReturnHumidityAlarms(Equipment<ModbusIP>* equipment){
Modbus_Point<ModbusIP>* returnHumidity = equipment -> getModbus_Point("Return Humidity");
Modbus_Point<ModbusIP>* returnHumHighAlarmSP = equipment->getModbus_Point("Return Humidity Alarm High SP");
Modbus_Point<ModbusIP>* returnHumLowAlarmSP = equipment->getModbus_Point("Return Humidity Alarm Low SP");
/**
int RAHum = returnHumidity->getValue();
int RAHumHighAlm = returnHumHighAlarmSP->getValue();
int RAHumLowAlm = returnHumLowAlarmSP->getValue();
equipment->setModbus_Point("RAHum Value", RAHum);
equipment->setModbus_Point("RAHumHighAlm Value", RAHumHighAlm);
equipment->setModbus_Point("RAHumLowAlm Value", RAHumLowAlm);
*/
if (returnHumidity->getValue() > returnHumHighAlarmSP->getValue()) {
equipment->setModbus_Point("Alarm High Return Humidity", 1);
equipment->setModbus_Point("Alarm Low Return Humidity", 0);
}
else if (returnHumidity->getValue() < returnHumLowAlarmSP->getValue()) {
equipment->setModbus_Point("Alarm Low Return Humidity", 1);
equipment->setModbus_Point("Alarm High Return Humidity", 0);
}
else{
equipment->setModbus_Point("Alarm High Return Humidity", 0);
equipment->setModbus_Point("Alarm Low Return Humidity", 0);
}
}
/**
* @brief This function will update the Alarm status DI bits according to the Alarm Commands from Coils (Modscan)
* It will also update the Common Alarm: if any alarm is active, the Common alarm will also be active.
@@ -75,6 +227,12 @@ void updateAlarms(Equipment<ModbusIP>* equipment){
"Alarm Condensate Pump ON", "Alarm Fire ON", "Alarm Smoke ON"
};
const std::vector<std::string> alarmAnalogs = {
"Alarm High Return Air Temp", "Alarm Low Return Air Temp", "Alarm High Return Humidity", "Alarm Low Return Humidity",
"Alarm High Supply Temp", "Alarm Low Supply Temp"
};
// NOTE: Per UMAS hardwire signals, alarm opened in case of normal operation, closed in case of alarm condition
// 0: no alarm, 1: alarm
int numAlarms = 0;
@@ -86,37 +244,13 @@ void updateAlarms(Equipment<ModbusIP>* equipment){
if (alarmPoint->getValue() == 1) numAlarms++;
}
}
// If any of the analog alarms = 1, increment counter for number of active alarms
for (int j = 0; j<alarmAnalogs.size(); ++j){
Modbus_Point<ModbusIP>* alarmAnalogPoint = equipment->getModbus_Point(alarmAnalogs[j]);
if (alarmAnalogPoint) {
if (alarmAnalogPoint->getValue() == 1) numAlarms++;
}
}
if (numAlarms >= 1) equipment->setModbus_Point("Common Alarm", 1);
else equipment->setModbus_Point("Common Alarm", 0);
}
/**
* @brief The purpose of this function is for testing the RA Temp and RA Humidity alarms (Ignition HMI display)
* User will manually set Alarms through Modscan coils, which will change RA Temp or RA Humidity accordingly.
* The RA Temp alarm limits (reference Ignition UDT) are 72, 100.
* The SA Temp alarm limits (reference Ignition UDT) are 72, 78.
* The RA Humidity alarm limits (reference Ignition UDT) are 20, 60.
* If an associated alarm coil is not active, the analog values are set to a safe, un-alarmed value.
*
* NOTE: These analog alarms will not activate the Common Alarm in the Arduino test.
* Since these alarms will be set in Ignition, will not be sent over Modbus from CRAH to Ignition.
*
* This is a function used in the update() of the Running State.
*
*/
// Note: The Common Alarm is not configured to annunciate with these analog low/high alarms.
void updateAnalogs(Equipment<ModbusIP>* equipment){
if (equipment->getModbus_Point("RA Temp Low Alarm ON")->getValue() ==1){
equipment->setModbus_Point("Return Air Temp", 60.0f);
}
else if (equipment->getModbus_Point("RA Temp High Alarm ON")->getValue()==1){
equipment->setModbus_Point("Return Air Temp", 110.0f);
}
if (equipment->getModbus_Point("RA Humidity Low Alarm ON")->getValue()==1){
equipment->setModbus_Point("Return Air Humidity", 5.0f);
}
else if (equipment->getModbus_Point("RA Humidity High Alarm ON")->getValue()==1){
equipment->setModbus_Point("Return Air Humidity", 80.0f);
}
}

12
src/BMS/CRAH/CRAH_UMAS_TCP/StateUtils.h
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@@ -35,16 +35,14 @@ class State;
*/
void updateControlMode(Equipment<ModbusIP>* equipment);
/**
* @brief Checks common alarms (non-fail alarms) and updates the Common Alarm Modbus point.
* @param equipment Pointer to the Equipment instance.
* @return true if any common alarm is active, false otherwise.
*/
void updateAlarms(Equipment<ModbusIP>* equipment);
void updateAnalogs(Equipment<ModbusIP>* equipment);
void updateReturnAirTempAlarms(Equipment<ModbusIP>* equipment);
void updateSupplyAirTempAlarms(Equipment<ModbusIP>* equipment);
void updateReturnHumidityAlarms(Equipment<ModbusIP>* equipment);
/**
* @brief Checks common alarms (non-fail alarms) and updates the Common Alarm Modbus point.
* @param equipment Pointer to the Equipment instance.
* @return true if any common alarm is active, false otherwise.
*/
void updateAnalogs(Equipment<ModbusIP>* equipment);
void updateAlarms(Equipment<ModbusIP>* equipment);

5
src/BMS/CRAH/CRAH_UMAS_TCP/State_Fail.cpp
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@@ -82,8 +82,11 @@ State<ModbusIP>* FailState<ModbusIP>::update(Equipment<ModbusIP>* equipment) {
// Still want Control Mode and Alarms to be updated while in Fail State
// Ensure BMS Command is set to Off: want operator to re-start from BMS once Leak Detect Alarm is cleared.
updateControlMode(equipment);
updateAlarms(equipment);
updateAnalogs(equipment);
updateReturnAirTempAlarms(equipment);
updateSupplyAirTempAlarms(equipment);
updateReturnHumidityAlarms(equipment);
updateAlarms(equipment);
setPointValue(equipment, "ON/OFF Command By BMS", 0);
// The only way to exit the Fail State is for Leak Detect Alarm to turn off, then enter Standby State.

5
src/BMS/CRAH/CRAH_UMAS_TCP/State_Running.cpp
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@@ -104,8 +104,11 @@ State<ModbusIP>* RunningState<ModbusIP>::update(Equipment<ModbusIP>* equipment)
int BMS_Enable_Source = getPointValue(equipment, "BMS Enable Source"); // Modscan HR 2
updateControlMode(equipment);
updateAlarms(equipment);
updateAnalogs(equipment);
updateReturnAirTempAlarms(equipment);
updateSupplyAirTempAlarms(equipment);
updateReturnHumidityAlarms(equipment);
updateAlarms(equipment);
// Check to see if Leak Detect alarm is active (only alarm which will make unit FAIL and turn off) --> Send to FailState
bool leakDetect = getPointValue(equipment, "Alarm Leak Detect");

11
src/BMS/CRAH/CRAH_UMAS_TCP/State_Standby.cpp
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@@ -41,9 +41,9 @@ StandbyState<ModbusIP>::StandbyState() {
// You can add initialization code here if needed.
// These strategies are applied at the end of the update function.
addStrategy("CW Valve Position", new RampStrategy(0.0f, 5.0f, 1000));
addStrategy("Supply Air Temp", new SingleValueStrategy(74.0f, 1.0f, 1000));
addStrategy("Return Air Temp", new SingleValueStrategy(86.0f, 1.0f, 1000));
addStrategy("Return Air Humidity", new SingleValueStrategy(35.0f, 2.0f, 1000));
addStrategy("Supply Air Temp", new SingleValueStrategy(76.0f, 1.0f, 2000));
addStrategy("Return Air Temp", new SingleValueStrategy(86.0f, 1.0f, 3000));
addStrategy("Return Air Humidity", new SingleValueStrategy(25.0f, 1.0f, 4000));
addStrategy("Speed Fan 1", new RampStrategy(0.0f, 300.0f, 1000));
addStrategy("Speed Fan 2", new RampStrategy(0.0f, 300.0f, 1000));
addStrategy("Speed Fan 3", new RampStrategy(0.0f, 300.0f, 1000));
@@ -87,8 +87,11 @@ State<ModbusIP>* StandbyState<ModbusIP>::update(Equipment<ModbusIP>* equipment)
int BMS_Enable_Source = getPointValue(equipment, "BMS Enable Source"); // Modscan HR 2
updateControlMode(equipment);
updateAlarms(equipment);
updateAnalogs(equipment);
updateReturnAirTempAlarms(equipment);
updateSupplyAirTempAlarms(equipment);
updateReturnHumidityAlarms(equipment);
updateAlarms(equipment);
// Check to see if Leak Detect alarm is active (only alarm which will make unit FAIL and turn off) --> Send to FailState
bool leakDetect = getPointValue(equipment, "Alarm Leak Detect");

65
src/BMS/CRAH/CRAH_UMAS_TCP/config.h
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@@ -23,7 +23,7 @@
#include <ModbusIP_ESP8266.h>
const char *ssid = "ArduinoWifiB"; /**< @brief The SSID of the WiFi network. */
const char *password = "123abc456"; /**< @brief The password for the WiFi network. */
IPAddress local_IP(172, 17, 32, 10); /**< @brief The static IP address for the device. */
IPAddress local_IP(172, 17, 32, 11); /**< @brief The static IP address for the device. */
IPAddress gateway(172, 17, 32, 1); /**< @brief The gateway IP address. */
IPAddress subnet(255, 255, 255, 0); /**< @brief The subnet mask. */
@@ -59,27 +59,42 @@
modbusMap mb_map[] =
{
{COIL, 0, 0, "ON/OFF Command By BMS"}, // Receive signal from PLC
{COIL, 1, 0, "Alarm Fan 1 ON"}, // Just for Arduino testing. Sets Alarm Fan 1 to 1.
{COIL, 2, 0, "Alarm Fan 2 ON"}, // Just for Arduino testing. Sets Alarm Fan 2 to 1.
{COIL, 3, 0, "Alarm Dirty Filter ON"}, // Just for Arduino testing. Sets Alarm Dirty Filter to 1.
{COIL, 4, 0, "Alarm Leak Detect ON"}, // Just for Arduino testing. Sets Alarm Fan 1 to 1.
{COIL, 5, 0, "RA Temp Low Alarm ON"}, // Just for Arduino testing. Sets RA Temp to 68F (low alarm)
{COIL, 6, 0, "RA Temp High Alarm ON"}, // Just for Arduino testing. Sets RA Temp to 104F (high alarm)
{COIL, 7, 0, "RA Humidity Low Alarm ON"}, // Just for Arduino testing. Sets RA Humidity to 15% (low alarm)
{COIL, 8, 0, "RA Humidity High Alarm ON"}, // Just for Arduino testing. Sets RA Humidity to 65% (high alarm)
{COIL, 9, 0, "Alarm Fan 3 ON"}, // Just for Arduino testing. Sets Alarm Fan 3 to 1.
{COIL, 10, 0, "Alarm Fan 4 ON"}, // Just for Arduino testing. Sets Alarm Fan 4 to 1.
{COIL, 11, 0, "Alarm Fan 5 ON"}, // Just for Arduino testing. Sets Alarm Fan 5 to 1.
{COIL, 12, 0, "Alarm Fan 6 ON"}, // Just for Arduino testing. Sets Alarm Fan 6 to 1.
{COIL, 13, 0, "Alarm Fan 7 ON"}, // Just for Arduino testing. Sets Alarm Fan 7 to 1.
{COIL, 14, 0, "Alarm Fan 8 ON"}, // Just for Arduino testing. Sets Alarm Fan 8 to 1.
{COIL, 15, 0, "Alarm Fan 9 ON"}, // Just for Arduino testing. Sets Alarm Fan 9 to 1.
{COIL, 16, 0, "Alarm Condensate Pump ON"}, // Just for Arduino testing. Sets Alarm Condensate Pump to 1.
{COIL, 17, 0, "Alarm Fire ON"}, // Just for Arduino testing. Sets Alarm Fire to 1.
{COIL, 18, 0, "Alarm Smoke ON"}, // Just for Arduino testing. Sets Alarm Smoke to 1.
{COIL, 1, 0, "Alarm Dirty Filter ON"}, // Just for Arduino testing. Sets Alarm Dirty Filter to 1.
{COIL, 2, 0, "Alarm Leak Detect ON"}, // Just for Arduino testing. Sets Alarm Fan 1 to 1.
{COIL, 3, 0, "Alarm Fan 1 ON"}, // Just for Arduino testing. Sets Alarm Fan 1 to 1.
{COIL, 4, 0, "Alarm Fan 2 ON"}, // Just for Arduino testing. Sets Alarm Fan 2 to 1.
{COIL, 5, 0, "Alarm Fan 3 ON"}, // Just for Arduino testing. Sets Alarm Fan 3 to 1.
{COIL, 6, 0, "Alarm Fan 4 ON"}, // Just for Arduino testing. Sets Alarm Fan 4 to 1.
{COIL, 7, 0, "Alarm Fan 5 ON"}, // Just for Arduino testing. Sets Alarm Fan 5 to 1.
{COIL, 8, 0, "Alarm Fan 6 ON"}, // Just for Arduino testing. Sets Alarm Fan 6 to 1.
{COIL, 9, 0, "Alarm Fan 7 ON"}, // Just for Arduino testing. Sets Alarm Fan 7 to 1.
{COIL, 10, 0, "Alarm Fan 8 ON"}, // Just for Arduino testing. Sets Alarm Fan 8 to 1.
{COIL, 11, 0, "Alarm Fan 9 ON"}, // Just for Arduino testing. Sets Alarm Fan 9 to 1.
{COIL, 12, 0, "Alarm Condensate Pump ON"}, // Just for Arduino testing. Sets Alarm Condensate Pump to 1.
{COIL, 13, 0, "Alarm Fire ON"}, // Just for Arduino testing. Sets Alarm Fire to 1.
{COIL, 14, 0, "Alarm Smoke ON"}, // Just for Arduino testing. Sets Alarm Smoke to 1.
{COIL, 15, 0, "RA Temp Low Alarm ON"}, // Just for Arduino testing. Sets RA Temp to 68F (low alarm)
{COIL, 16, 0, "RA Temp NORMAL"}, // Just for Arduino testing. Sets RA Temp to 68F (low alarm)
{COIL, 17, 0, "RA Temp High Alarm ON"}, // Just for Arduino testing. Sets RA Temp to 104F (high alarm)
{COIL, 18, 0, "SA Temp Low Alarm ON"}, // Just for Arduino testing. Sets RA Temp to 68F (low alarm)
{COIL, 19, 0, "SA Temp NORMAL"}, // Just for Arduino testing. Sets RA Temp to 68F (low alarm)
{COIL, 20, 0, "SA Temp High Alarm ON"}, // Just for Arduino testing. Sets RA Temp to 104F (high alarm)
{COIL, 21, 0, "RA Humidity Low Alarm ON"}, // Just for Arduino testing. Sets RA Humidity to 15% (low alarm)
{COIL, 22, 0, "RA Humidity NORMAL"}, // Just for Arduino testing. Sets RA Temp to 68F (low alarm)
{COIL, 23, 0, "RA Humidity High Alarm ON"}, // Just for Arduino testing. Sets RA Humidity to 65% (high alarm)
{DI, 4, 0, "Alarm Leak Detect"},
{DI, 5, 0, "Alarm Dirty Filter"},
{DI, 6, 0, "Alarm High Return Air Temp"}, // suggested default 100, operator inputs High RA Temp SP for alarm limit
{DI, 7, 0, "Alarm Low Return Air Temp"}, // suggested default 72, operator inputs Low RA Temp SP for alarm limit
{DI, 8, 0, "Alarm High Supply Temp"}, // suggested default 78, operator inputs High SA Temp SP for alarm limit
{DI, 9, 0, "Alarm Low Supply Temp"}, // suggested default 72, operator inputs Low SA Temp SP for alarm limit
{DI, 10, 0, "Alarm High Return Humidity"}, // suggested default 60, operator inputs High Return Humidity SP for alarm limit
{DI, 11, 0, "Alarm Low Return Humidity"}, // suggested default 20, operator inputs Low Return Humidity SP for alarm limit
{DI, 12, 0, "Common Alarm"}, // Send to PLC
{DI, 14, 0, "Alarm Condensate Pump"},
{DI, 15, 0, "Alarm Smoke"},
@@ -137,12 +152,12 @@ modbusMap mb_map[] =
{IR_FLOAT, 77, 0, "Amps Fan 8"},
{IR_FLOAT, 79, 0, "Amps Fan 9"},
{HR_FLOAT, 1, 0, "High Return Air Temp Setpoint"}, // default: 100, set locally on unit
{HR_FLOAT, 3, 0, "Low Return Air Temp Setpoint"}, // default: 72, set locally on unit
{HR_FLOAT, 5, 0, "High Supply Air Temp Setpoint"}, // default: 78, set locally on unit
{HR_FLOAT, 7, 0, "Low Return Air Temp Setpoint"}, // default: 72, set locally on unit
{HR_FLOAT, 9, 0, "High Return Humidity Setpoint"}, // default: 60, set locally on unit
{HR_FLOAT, 11, 0, "Low Return Humidity Setpoint"}, // default: 20, set locally on unit
{HR_FLOAT, 1, 100, "Return Air Temp Alarm High SP"}, // default: 100, set locally on unit
{HR_FLOAT, 3, 72, "Return Air Temp Alarm Low SP"}, // default: 72, set locally on unit
{HR_FLOAT, 5, 78, "Supply Air Temp Alarm High SP"}, // default: 78, set locally on unit
{HR_FLOAT, 7, 72, "Supply Air Temp Alarm Low SP"}, // default: 72, set locally on unit
{HR_FLOAT, 9, 60, "Return Humidity Alarm High SP"}, // default: 60, set locally on unit
{HR_FLOAT, 11, 20, "Return Humidity Alarm Low SP"}, // default: 20, set locally on unit
{HR_FLOAT, 13, 0, "Fan Speed Setpoint"}, // Receive signal from PLC
{HR_FLOAT, 17, 0, "Supply Air Temp Setpoint"}, // Receive signal from PLC
{HR_FLOAT, 19, 0, "Return Air Temp Setpoint"}, // set locally on unit