SKG Steam Humidifier BACnet® Communication Module User Guide Introduction & BACnet® Requirements Introduction This document provides a Users Guide for using the NEP PIC Communications Module for SKG Humidifiers (NEPICSKG). This product provides a BACnet ® network interface between BACnet client devices and NEP SKG Humidifier Series devices, specifically for SKG models.
SKG Steam Humidifier BACnet® Communication Module User Guide Device Object The following table lists all the BACnet properties supported for the device object. W? indicates if the property is writable using the BACnet WriteProperty service. Device property value Object_Identifier programmable where the instance part of the Object_Identifier is in the range of 0-4194302.
SKG Steam Humidifier BACnet® Communication Module User Guide Objects A complete list of all BACnet objects for the NEPICSKG are listed in the following section. There are a total of between 94 and 199 BACnet objects per NEPICSKG consisting of the following types: Common for all SKG Models: •...
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SKG Steam Humidifier BACnet® Communication Module User Guide Objects Analog Inputs property value Object_Identifier see Object Table Object_Name see Object Table Object_Type Present_Value see Object Table Max_Present_Value see Object Table Min_Present_Value see Object Table Description see Object Table Status_Flags If the fault bit is set, it indicates that the Present_Value is unavailable and is unreliable Event_State If the fault bit of the Status_Flags is set, this property’s value is...
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SKG Steam Humidifier BACnet® Communication Module User Guide Objects Binary Inputs property value Object_Identifier see Object Table Object_Name see Object Table Object_Type Present_Value see Object Table Description see Object Table Status_Flags If the fault bit is set, it indicates that the Present_Value is unavailable and is unreliable Event_State If the fault bit of the Status_Flags is set, this property’s value is...
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SKG Steam Humidifier BACnet® Communication Module User Guide Objects Multistate Inputs property value Object_Identifier see Object Table Object_Name see Object Table Object_Type Present_Value see Object Table Description see Object Table Status_Flags If the fault bit is set, it indicates that the Present_Value is unavailable and is unreliable Event_State If the fault bit of the Status_Flags is set, this property’s value is...
SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table The SKG Humidifier use the following BACnet object table. The type is the BACnet Object type, the instance is the BACnet Object instance. W? indicates whether the Present_Value property is writable. Together the type and instance form the BACnet Object_Identifier for an object according to the following C-language algorithm: •...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table Common for all SKG Models: type inst Object_Name Description range of Present_Value Actual Operating Status Power_Status Power Status 0=OFF, 1=ON Humidity_Demand Humidity Demand 0=NO, 1=YES Manual_Drain Manual Drain 0=NO, 1=YES Alrm_Not_Critical Alarm not critical (unit...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table Common for all SKG Models: type inst Object_Name Description range of Present_Value Ctl_Mode Control Mode 1=Demand from analog input 1 (default) 2=Internal PID loop calculation 3=Demand from remote communication port (e.g.
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 1: type inst Object_Name Description range of Present_Value Water_Temp1 Water Temperature 1 0-260 °C or 32-500 °F Chimney_Temp1 Chimney Temperature 1 0-260 °C or 32-500 °F Water_Level1 Water level 1 0-120%...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 1: type inst Object_Name Description range of Present_Value Operating Status Flags: Burner_Valve1 Burner Valve 1 0=OFF, 1=ON Burner_Fan1 Burner Fan 1 0=OFF, 1=ON Fill_Tank1 Fill Tank 1 0=OFF, 1=ON Drain_Tank1 Drain Tank 1...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 2: type inst Object_Name Description range of Present_Value Water_Temp2 Water Temperature 2 0-260 °C or 32-500 °F Chimney_Temp2 Chimney Temperature 2 0-260 °C or 32-500 °F Water_Level2 Water level 2 0-120%...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 2: type inst Object_Name Description range of Present_Value Operating Status Flags: Burner_Valve2 Burner Valve 2 0=OFF, 1=ON Burner_Fan2 Burner Fan 2 0=OFF, 1=ON Fill_Tank2 Fill Tank 2 0=OFF, 1=ON Drain_Tank2 Drain Tank 2...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 3: type inst Object_Name Description range of Present_Value Water_Temp3 Water Temperature 3 0-260 °C or 32-500 °F Chimney_Temp3 Chimney Temperature 3 0-260 °C or 32-500 °F Water_Level3 Water level 3 0-120%...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 3: type inst Object_Name Description range of Present_Value Operating Status Flags: Burner_Valve3 Burner Valve 3 0=OFF, 1=ON Burner_Fan3 Burner Fan 3 0=OFF, 1=ON Fill_Tank3 Fill Tank 3 0=OFF, 1=ON Drain_Tank3 Drain Tank 3...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 4: type inst Object_Name Description range of Present_Value Water_Temp4 Water Temperature 4 0-260 °C or 32-500 °F Chimney_Temp4 Chimney Temperature 4 0-260 °C or 32-500 °F Water_Level4 Water level 4 0-120%...
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SKG Steam Humidifier BACnet® Communication Module User Guide SKG Humidifier Object Table For tank 4: type inst Object_Name Description range of Present_Value Operating Status Flags: Burner_Valve4 Burner Valve 4 0=OFF, 1=ON Burner_Fan4 Burner Fan 4 0=OFF, 1=ON Fill_Tank4 Fill Tank 4 0=OFF, 1=ON Drain_Tank4 Drain Tank 4...
SKG Steam Humidifier BACnet® Communication Module User Guide Configuration Mode Normally the NEPICSKG is in the operational mode. The NEPICSKG can be placed in the configuration mode at any time by throwing a single dip switch. mode Switch 1 operational configuration The difference between configuration mode and operational mode is explained in detail later in this section.
SKG Steam Humidifier BACnet® Communication Module User Guide Configuration Getting Started The four configurable BACnet Device Object properties have two sets of “default” settings, the factory setting and the configuration mode setting and are identified in the following table: property factory value configuration mode value Device_Instance...
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SKG Steam Humidifier BACnet® Communication Module User Guide Configuration Configuring in the Configuration Mode If the NEPICSKG is put into the configuration mode while it is “hot”, the NEPICSKG will be automatically reset with the Device_Instance, Object_Name, Max_Master and MSTP_MACaddress all containing the configuration mode values.
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SKG Steam Humidifier BACnet® Communication Module User Guide Configuration Example 4: • MAC=0. Max_Master=1 • MAC=1, Max_Master=1 This example is the most efficient, since each unit must poll only 1 other unit until it finds the right one to pass the token to.
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