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26 Vendor Information – Navien

Appendix C.2    NFB-C Main 1 Sub 1 - Sub 31 

Modbus RTU Mappings to BACnet/IP and 

BACnet MS/TP

Point Name

BACnet 

Object Type

BACnet 

Object ID

SH operation on/off control

BV

1

Outdoor reset curve usage enable

BV

2

WWSD enable

BV

3

DHW operation ON/OFF control

BV

4

Cascade system enable state

BI

101

Cascade burning state

BI

102

Cascade SH operation state

BI

103

Main Burner op state

BI

1

Main Frozen protection mode

BI

2

Main Error state

BI

6

Main Boiler enable status

BI

7

Main Boiler pump op Status

BI

8

Sub01 Burner op state

BI

1001

Sub01 Frozen protection mode

BI

1002

Sub01 Error state

BI

1006

Sub01 Boiler enable status

BI

1007

Sub01 Boiler pump op Status

BI

1008

Sub02 Burner op state

BI

2001

Sub02 Frozen protection mode

BI

2002

Sub02 Error state

BI

2006

Sub02 Boiler enable status

BI

2007

Sub02 Boiler pump op Status

BI

2008

Sub03 Burner op state

BI

3001

Sub03 Frozen protection mode

BI

3002

Sub03 Error state

BI

3006

Sub03 Boiler enable status

BI

3007

Sub03 Boiler pump op Status

BI

3008

Sub04 Burner op state

BI

4001

Sub04 Frozen protection mode

BI

4002

Sub04 Error state

BI

4006

Sub04 Boiler enable status

BI

4007

Sub04 Boiler pump op Status

BI

4008

Point Name

BACnet 

Object Type

BACnet 

Object ID

Sub05 Burner op state

BI

5001

Sub05 Frozen protection mode

BI

5002

Sub05 Error state

BI

5006

Sub05 Boiler enable status

BI

5007

Sub05 Boiler pump op Status

BI

5008

Sub06 Burner op state

BI

6001

Sub06 Frozen protection mode

BI

6002

Sub06 Error state

BI

6006

Sub06 Boiler enable status

BI

6007

Sub06 Boiler pump op Status

BI

6008

Sub07 Burner op state

BI

7001

Sub07 Frozen protection mode

BI

7002

Sub07 Error state

BI

7006

Sub07 Boiler enable status

BI

7007

Sub07 Boiler pump op Status

BI

7008

Sub08 Burner op state

BI

8001

Sub08 Frozen protection mode

BI

8002

Sub08 Error state

BI

8006

Sub08 Boiler enable status

BI

8007

Sub08 Boiler pump op Status

BI

8008

Sub09 Burner op state

BI

9001

Sub09 Frozen protection mode

BI

9002

Sub09 Error state

BI

9006

Sub09 Boiler enable status

BI

9007

Sub09 Boiler pump op Status

BI

9008

Sub10 Burner op state

BI

10001

Sub10 Frozen protection mode

BI

10002

Sub10 Error state

BI

10006

Sub10 Boiler enable status

BI

10007

Sub10 Boiler pump op Status

BI

10008

Sub11 Burner op state

BI

11001

Sub11 Frozen protection mode

BI

11002

Sub11 Error state

BI

11006

Sub11 Boiler enable status

BI

11007

Sub11 Boiler pump op Status

BI

11008

Summary of Contents for Modbus/BACnet Gateway

Page 1: ...e For Interfacing Navien Products To Building Automation Systems and SMC Cloud BACnet MS TP BACnet IP and Modbus TCP IP APPLICABILITY EFFECTIVITY Explains Modbus BACnet gateway and how to install it T...

Page 2: ...RS 485 R2 port to the field protocol cabling Section 4 2 5 Connect power to gateway s 3 pin connector Section 4 5 6 Connect a PC to the gateway via Ethernet cable or by the gateway s Wi Fi Access Poi...

Page 3: ...ver Clearing Profiles 14 7 NETWORK SETTINGS 15 7 1 Navigate to the FS GUI Network Settings 15 7 2 Change the Gateway IP Address 16 7 2 1 Update Wired Network Settings 16 7 2 2 Update Wi Fi Client Sett...

Page 4: ...Resistor DIP Switch 9 Figure 9 Required Current Draw for the Gateway 9 Figure 10 PCB Power Connections 9 Figure 11 External Power Connections 9 Figure 12 Ethernet Port Location 10 Figure 13 Web App S...

Page 5: ...by an independent laboratory which verifies that the product correctly implements the BACnet features claimed in the listing The mark is a symbol of a high quality BACnet product Go to www BACnetInter...

Page 6: ...Navien s devices hereafter simply called device connected to the gateway and automatically configures them for BACnet IP BACnet MS TP and Modbus TCP IP It is not necessary to download any configurati...

Page 7: ...nected serial device MUST have the same baud rate data bits stop bits and parity settings as the gateway Figure 4 specifies the device serial port settings required to communicate with the gateway Por...

Page 8: ...res and notes The R1 and R2 DIP Switches apply settings to the respective serial port If the gateway is already powered on DIP switch settings will not take effect unless the unit is power cycled 4 1...

Page 9: ...ment for Gateway Current DrawType Navien Gateway Family 12 VDC 24 V DC AC GXXX001932 Typical 250 mA 125 mA Note These values are nominal and a safety margin should be added to the power supply of the...

Page 10: ...the Subnet of the Connected PC The default IP Address for the gateway is 192 168 1 24 Subnet Mask is 255 255 255 0 If the PC and gateway are on different IP networks assign a static IP Address to the...

Page 11: ...ay with Wi Fi To connect to the gateway Wi Fi Access Point 1 Click the icon found in the bottom right corner of the computer screen to open the available Wireless Network Connections 2 Select the desi...

Page 12: ...eldServer Toolbox Section 5 1 1 2 click the Connect button Note 2 Once at the Web App splash page click the Login button Figure 13 Web App Splash Page 3 Enter the previously set up or default username...

Page 13: ...g See Appendix A 4 for additional information and images 2 Confirm the software shows communication without errors Go to Appendix A 2 for instructions 6 2 Setting Gateway Configuration Parameters 1 Se...

Page 14: ...ent value default 50 000 The values allowed for a BACnet Device Instance can range from 1 to 4 194 303 2 To assign a specific Device Instance or range change the Node_Offset value as needed using the...

Page 15: ...igurator page click on the blue Diagnostics Debugging button in the bottom right corner of the screen Figure 23 Web Configurator Page Diagnostics Button Figure 24 FS GUI Landing Page 3 Click the orang...

Page 16: ...ion toWi Fi Client 7 2 Change the Gateway IP Address Configure the IP settings of the gateway in the following methods When using the Ethernet port to connect to the local network Section 7 2 1 When c...

Page 17: ...GUI Common Network Settings Note The fields below the update button show the settings as they were set in the IP Settings or Wi Fi Client pages They are not editable on the Common page Figure 27 FS GU...

Page 18: ...Address of the gateway into the web browser or use the FieldServer Toolbox to connect to the gateway 2 Click on Diagnostics Button then click on view and then on connections 3 If there are any errors...

Page 19: ...tion Figure 31 Diagnostic LEDs Appendix A 5 Taking a FieldServer Diagnostic Capture When there is a problem on site that cannot easily be resolved perform a diagnostic capture before contacting suppor...

Page 20: ...ved on the PC b Choose Open to launch explorer and have it point directly at the correct folder c Send the Diagnostic zip file to technical support Appendix A 5 2 Using FS GUI Diagnostic Capture via F...

Page 21: ...ture to be downloaded to the local PC 6 Send the diagnostic zip file to technical support Note Diagnostic captures of BACnet MS TP communication are output in a PCAP file extension which is compatible...

Page 22: ...nected to the same subnet they must be assigned unique Network_Number values On the main Web Configuration screen update the BACnet Network Number field and click submit The default value is 50 Figure...

Page 23: ...Fi Settings then click on the System Restart to restart the gateway and activate the Wi Fi settings Note If the FS GUI was open in a browser via Wi Fi the browser will need to be updated with the new...

Page 24: ...24 Additional Information Appendix B 6 Physical Dimension Drawing Power Port R2 Serial Port Wi Fi Antenna Socket R1 Serial Port Figure 39 Modbus BACnet Gateway Part Number GXXX001932 Dimensions...

Page 25: ...CH supply min temperature setting AV 16 CH supply max temperature setting AV 17 CH return min temperature setting AV 18 CH return max temperature setting AV 19 Appendix C 1 NFB C Single Boiler Modbus...

Page 26: ...rror state BI 4006 Sub04 Boiler enable status BI 4007 Sub04 Boiler pump op Status BI 4008 Point Name BACnet ObjectType BACnet Object ID Sub05 Burner op state BI 5001 Sub05 Frozen protection mode BI 50...

Page 27: ...mode BI 25002 Sub25 Error state BI 25006 Sub25 Boiler enable status BI 25007 Sub25 Boiler pump op Status BI 25008 Point Name BACnet ObjectType BACnet Object ID Sub12 Burner op state BI 12001 Sub12 Fr...

Page 28: ...tatus AI 2001 Sub02 Main Error code AI 2002 Sub02 Current Heat capacity AI 2004 Sub02 Supply temperature AI 2005 Point Name BACnet ObjectType BACnet Object ID Sub26 Burner op state BI 26001 Sub26 Froz...

Page 29: ...nt of gas AI 7013 Sub07 Total amount of gas AI 7014 Sub08 Operation Status AI 8001 Sub08 Main Error code AI 8002 Point Name BACnet ObjectType BACnet Object ID Sub02 Return temperature AI 2006 Sub02 Ma...

Page 30: ...n AI 13011 Sub13 Total time of CH operation AI 13012 Sub13 Current amount of gas AI 13013 Sub13 Total amount of gas AI 13014 Point Name BACnet ObjectType BACnet Object ID Sub08 Current Heat capacity A...

Page 31: ...time after installation AI 19010 Sub19 Number of CH operation AI 19011 Sub19 Total time of CH operation AI 19012 Point Name BACnet ObjectType BACnet Object ID Sub14 Operation Status AI 14001 Sub14 Ma...

Page 32: ...Sub25 Maximum Heat capacity AI 25008 Sub25 Exhaust temperature AI 25009 Sub25 Total time after installation AI 25010 Point Name BACnet ObjectType BACnet Object ID Sub19 Current amount of gas AI 19013...

Page 33: ...acity AI 31004 Sub31 Supply temperature AI 31005 Sub31 Return temperature AI 31006 Sub31 Maximum Heat capacity AI 31008 Point Name BACnet ObjectType BACnet Object ID Sub25 Number of CH operation AI 25...

Page 34: ...ting AV 2 SH return setpoint setting AV 3 DHW setpoint setting AV 4 Error reset command AV 5 Boiler setpoint in DHW operation AV 7 Outdoor reset curve heatload setting AV 9 Maximum outdoor temperature...

Page 35: ...r a special tool to gain access This device must not be connected to a LAN segment with outdoor wiring Appendix D 1 Specifications Gateway Part Number GXXX001932 Electrical Connections One 3 pin Phoen...

Page 36: ...have been removed or altered This Limited Warranty also will not apply to interconnecting cables or wires consumables or to any damage resulting from battery leakage In all cases Sierra Monitor Corpo...

Page 37: ...Memo...

Page 38: ...Memo...

Page 39: ...net MS TP BACnet IP and Modbus TCP IP protocols For technical support please contact us at 800 519 8794 800 519 8794 www NavienInc com 20 Goodyear lrvine CA 92618 Installation Operation Manual Modbus...

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