SMC Sierra Monitor FPC-N38 User guide

Document Revision: 1.C
Auto Discovery
Template Revision: 62
ProtoNode FPC-N38 and ProtoNode FPC-N39
Start-up Guide
For Interfacing Riello Array Boilers: 905
To Building Automation Systems:
BACnet MS/TP, BACnet/IP, Modbus TCP/IP, Metasys N2
and LonWorks
APPLICABILITY & EFFECTIVITY
Explains ProtoNode hardware and installation.
The instructions are effective for the above as of November 2016.

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Technical Support
Thank you for purchasing the ProtoNode for Riello.
Please call Riello for Technical support of the ProtoNode product.
SMC does not provide direct support. If Riello needs to escalate the concern, they will contact Sierra
Monitor Corporation for assistance.
Support Contact Information:
Riello North America
2165 Meadowpine Blvd
Mississauga, ON L5N 6H6, Canada
Customer Service:
[phone]
Website: www.rielloboilers.com

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Quick Start Guide
1. Record the information about the unit. (Section 3.1)
2. Set the device’s COM settings and Node-ID for each of the devices that are to connect to ProtoNode
FPC-N38 or FPC-N39. (Section 3.3)
3. FPC-N38: Select the Field Protocol on the S Bank Dip Switches. (Section 3.4.1)
4. Enable the ProtoNode “Auto Discovery” mode on Dip Switch Bank S. (Section 3.4.2)
5. BACnet MS/TP (FPC-N38): Set the MAC Address on DIP Switch Bank A. (Section 3.5.1)
6. BACnet MS/TP (FPC-N38): Set the BAUD rate of the BACnet MS/TP Field Protocol on DIP Switch
Bank B. (Section 3.5.2)
7. Connect ProtoNode’s 6 pin RS-485 connector to the RS-485 network that is connected to each of the
devices. (Section 4.2)
8. Connect ProtoNode FPC-N38’s 3 pin RS-485 port to the Field Protocol cabling, (Section 4.3)
or connect ProtoNode FPC-N39’s 2 pin LonWorks port to the Field Protocol cabling. (Section 4.4)
9. Connect Power to ProtoNode’s 6 pin connector. (Section 4.5)
10. When power is applied it will take about 3 minutes for all the devices to be discovered, and the
configuration file to be built. Once Auto-Discovery is complete turn OFF the S3 DIP Switch to save
the configuration settings. (Section 4.5.1)
11. BACnet/IP or Modbus TCP/IP (FPC-N38): Use the ProtoNode’s embedded tool which is accessed
with a browser, referred to in this manual as the Web Configurator, to change the IP Address. No
changes to the configuration file are necessary. (Section 5)
12. LonWorks (FPC-N39): The ProtoNode must be commissioned on the LonWorks Network. This needs
to be done by the LonWorks administrator using a LonWorks Commissioning tool. (Section 8)

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TABLE OF CONTENTS
1Certification..........................................................................................................................................6
1.1 BTL Mark –BACnet®Testing Laboratory.......................................................................................6
1.2 LonMark Certification......................................................................................................................6
2Introduction..........................................................................................................................................7
2.1 ProtoNode Gateway .......................................................................................................................7
3ProtoNode Setup..................................................................................................................................8
3.1 Record Identification Data ..............................................................................................................8
3.2 Point Count Capacity and Registers per Device ............................................................................8
3.3 Configuring Device Communications .............................................................................................9
3.3.1 Input COM settings on all Devices connected to the ProtoNode..............................................9
3.3.2 Set Modbus RTU Node-ID for each Device attached to the ProtoNode...................................9
3.4 Selecting the Desired Field Protocol and Enabling Auto-Discovery.............................................10
3.4.1 Selecting Desired Field Protocol.............................................................................................10
3.4.2 Enabling Auto-Discovery.........................................................................................................11
3.5 BMS Network Settings: MAC Address, Device Instance and Baud Rate ....................................12
3.5.1 BACnet MS/TP (FPC-N38): Setting the MAC Address for BMS Network ..............................12
3.5.2 BACnet MS/TP (FPC-N38): Setting the Baud Rate for BMS Network....................................13
3.5.2.1 Baud Rate DIP Switch Selection.....................................................................................13
4Interfacing ProtoNode to Devices....................................................................................................14
4.1 ProtoNode FPC-N38 and FPC-N39 Showing Connection Ports..................................................14
4.2 Device Connections to ProtoNode ...............................................................................................15
4.3 BACnet MS/TP or Metasys N2 (FPC-N38): Wiring Field Port to RS-485 Network......................16
4.4 LonWorks (FPC-N39): Wiring LonWorks Devices to the LonWorks Terminal.............................16
4.5 Power-Up ProtoNode....................................................................................................................17
4.5.1 Auto-Discovery: After Completion –Turn Off to Save Configuration......................................18
5BACnet/IP or Modbus TCP/IP: Change the Protonode IP Address ..............................................19
5.1 Connect the PC to ProtoNode via the Ethernet Port....................................................................19
5.2 BACnet/IP and Modbus TCP/IP: Setting IP Address for Field Network.......................................20
6BACnet MS/TP and BACnet/IP: Setting Node_Offset to Assign Specific Device Instances.....22
7How to Start the Installation Over: Clearing Profiles.....................................................................23
8LonWorks (FPC-N39): Commissioning ProtoNode on a lonworks Network ...............................24
8.1 Commissioning ProtoNode FPC-N39 on a LonWorks Network...................................................24
8.1.1 Instructions to Download XIF File from ProtoNode FPC-N39 Using Browser........................24
9BACnet Explorer ................................................................................................................................26
Appendix A. Troubleshooting..................................................................................................................27
Appendix A.1. Lost or Incorrect IP Address ............................................................................................27
Appendix A.2. Viewing Diagnostic information........................................................................................28
Appendix A.3. Checking Wiring and Settings..........................................................................................29
Appendix A.4. LED Diagnostics for Communications Between ProtoNode and Devices.......................30
Appendix A.5. Taking Diagnostic Capture with the FieldServer Toolbox................................................31
Appendix A.6. Updating Firmware...........................................................................................................34
Appendix A.7. BACnet: Setting Network_Number for more than one ProtoNode on Subnet.................34
Appendix A.8. Securing ProtoNode with Passwords ..............................................................................35
Appendix B. Vendor Information - Riello................................................................................................36
Appendix B.1. 905 Modbus RTU Mappings to BACnet, Metasys N2 and LonWorks.............................36
Appendix C. “A” Bank DIP Switch Settings ...........................................................................................39
Appendix C.1. “A” Bank DIP Switch Settings ..........................................................................................39
Appendix D. Reference.............................................................................................................................42
Appendix D.1. Specifications...................................................................................................................42
Appendix D.1.1. Compliance with UL Regulations...........................................................................42
Appendix E. Limited 2 Year Warranty.....................................................................................................43

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LIST OF FIGURES
Figure 1: ProtoNode Part Numbers ..............................................................................................................8
Figure 2: Supported Point Count Capacity ...................................................................................................8
Figure 3: Registers per Device .....................................................................................................................8
Figure 4: Modbus COM Settings...................................................................................................................9
Figure 5: S Bank DIP Switches...................................................................................................................10
Figure 6: S3 DIP Switch setting for Auto Discovering Devices...................................................................11
Figure 7: MAC Address DIP Switches ........................................................................................................12
Figure 8: BMS Baud Rate DIP Switches.....................................................................................................13
Figure 9: BMS Baud Rate...........................................................................................................................13
Figure 10: ProtoNode FPC-N38 (upper) and ProtoNode FPC-N39 (lower) ...............................................14
Figure 11: Power and RS-232 Connections ...............................................................................................15
Figure 12: Connection from ProtoNode to RS-485 Field Network..............................................................16
Figure 13: RS-485 BMS Network EOL Switch............................................................................................16
Figure 14: LonWorks Terminal....................................................................................................................16
Figure 15: Required current draw for the ProtoNode..................................................................................17
Figure 16: Power Connections....................................................................................................................17
Figure 17: S3 DIP Switch setting for Auto Discovering Devices.................................................................18
Figure 18: Web Configurator Screen ..........................................................................................................20
Figure 19: Changing IP Address via FS-GUI..............................................................................................21
Figure 20: Web Configurator Screen with Active Profiles...........................................................................22
Figure 21: LonWorks Service Pin Location.................................................................................................24
Figure 22: Sample of Fserver.XIF File Generated......................................................................................25
Figure 23: BACnet Explorer on a BACnet Network ....................................................................................26
Figure 24: Ethernet Port Location...............................................................................................................27
Figure 25: Error messages screen..............................................................................................................28
Figure 26: Diagnostic LEDs ........................................................................................................................30
Figure 27: Ethernet Port Location...............................................................................................................31
Figure 28: Web Configurator –Setting Network Number for BACnet.........................................................34
Figure 29: Specifications.............................................................................................................................42

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1 CERTIFICATION
1.1 BTL Mark –BACnet®
1
Testing Laboratory
1.2 LonMark Certification
1
BACnet is a registered trademark of ASHRAE
The BTL Mark on ProtoNode is a symbol that indicates that a product has
passed a series of rigorous tests conducted 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 http://www.BACnetInternational.net/btl/ for more information about the
BACnet Testing Laboratory. Click here for BACnet PIC Statement.
LonMark International is the recognized authority for certification, education,
and promotion of interoperability standards for the benefit of manufacturers,
integrators and end users. LonMark International has developed extensive
product certification standards and tests to provide the integrator and user with
confidence that products from multiple manufacturers utilizing LonMark
devices work together. Sierra Monitor has more LonMark Certified gateways
than any other gateway manufacturer, including the ProtoCessor, ProtoCarrier
and ProtoNode for OEM applications and the full featured, configurable
gateways.

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2 INTRODUCTION
2.1 ProtoNode Gateway
ProtoNode is an external, high performance Building Automation multi-protocol gateway that is
preconfigured to Auto-Discover any of Riello’s products (hereafter called “device”) connected to the
ProtoNode and automatically configures them for BACnet MS/TP, BACnet/IP, Metasys®
2
N2 by JCI,
Modbus TCP/IP or LonWorks®
3
.
It is not necessary to download any configuration files to support the required applications. The
ProtoNode is pre-loaded with tested Profiles/Configurations for the supported devices.
2
Metasys is a registered trademark of Johnson Controls Inc.
3
LonWorks is a registered trademark of Echelon Corporation

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3 PROTONODE SETUP
3.1 Record Identification Data
Each ProtoNode has a unique part number located on the side or the back of the unit. This number
should be recorded, as it may be required for technical support. The numbers are as follows:
Model
Part Number
ProtoNode N38
FPC-N38-1526
ProtoNode N39
FPC-N39-1527
Figure 1: ProtoNode Part Numbers
FPC-N38 units have the following 3 ports: RS-232 + Ethernet + RS-485
FPC-N39 units have the following 3 ports: LonWorks + Ethernet + RS-232
3.2 Point Count Capacity and Registers per Device
The total number of Registers presented by all of the devices attached to the ProtoNode
cannot exceed:
Part number
Total Registers
FPC-N38-1526
1,500
FPC-N39-1527
1,500
Figure 2: Supported Point Count Capacity
Devices
Registers Per Device
905
163
Figure 3: Registers per Device

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3.3 Configuring Device Communications
3.3.1 Input COM settings on all Devices connected to the ProtoNode
All of the connected serial devices MUST have the same Baud Rate, Data Bits, Stop Bits,
and Parity settings as the ProtoNode.
Figure 4 specifies the device serial port settings required to communicate with the ProtoNode.
Port Setting
Device
Protocol
Modbus RTU
Baud Rate
9600
Parity
None
Data Bits
8
Stop Bits
2
Figure 4: Modbus COM Settings
3.3.2 Set Modbus RTU Node-ID for each Device attached to the ProtoNode
Set Modbus Node-ID for each of the devices attached to ProtoNode. The Modbus Node-ID’s
need to be uniquely assigned between 1 and 255.
oThe Modbus Node-ID that is assigned for each device needs to be documented.
The Modbus Node-ID’s assigned are used for designating the Device Instance
for BACnet/IP and BACnet MS/TP (Section 6)
The Metasys N2 and Modbus TCP/IP Node-IDs are automatically set to be the same value
as the Node-ID of the Modbus RTU device.

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3.4 Selecting the Desired Field Protocol and Enabling Auto-Discovery
3.4.1 Selecting Desired Field Protocol
ProtoNode FPC-N38 units use the “S” bank of DIP switches (S0 – S2) to select the Field
Protocol.
oSee the table in Figure 5 for the switch settings for the ProtoNode.
oThe OFF position is when the DIP switches are set closest to the outside of the box.
ProtoNode FPC-N39 units do not use the “S” bank DIP switches (S0 –S2) to select a Field
Protocol.
oOn ProtoNode FPC-N39 units, these switches are disabled; the Field Protocol is always
LonWorks.
NOTE: When setting DIP Switches, ensure that power to the board is OFF.
ProtoNode FPC-N38
S Bank DIP Switches
Profile
S0
S1
S2
BACnet/IP
Off
Off
Off
BACnet MS/TP
On
Off
Off
Metasys N2
Off
On
Off
Modbus TCP/IP
On
On
Off
BACnet MS/TP (single node)
Off
Off
On
S0 –S3 DIP
Switches
S Bank DIP Switch Location
Profile Settings for ProtoNode
Figure 5: S Bank DIP Switches
S0
S1
S2
S3
Off On

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3.4.2 Enabling Auto-Discovery
NOTE: If Modbus TCP/IP was selected in Section 3.4.1 for the Field/BMS protocol, skip this
section. Auto-Discovery is NOT used for Modbus TCP/IP.
The S3 DIP switch is used to both enable Auto-Discovery of known devices attached to the
ProtoNode, and to save the recently discovered configuration.
oSee the table in Figure 6 for the switch setting to enable Auto-Discovery.
oIf the ProtoNode is being installed for the first time, set S3 to the ON position to enable
Auto-Discovery.
oThe ON position is when the DIP switches are set closest to the inside of the box.
S3 DIP Switch Auto-Discovery Mode
S3
Auto-Discovery ON –Build New Configuration
On
Auto-Discover OFF –Save Current Configuration
Off
Figure 6: S3 DIP Switch setting for Auto Discovering Devices

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3.5 BMS Network Settings: MAC Address, Device Instance and Baud Rate
3.5.1 BACnet MS/TP (FPC-N38): Setting the MAC Address for BMS Network
Only 1 MAC address is set for ProtoNode regardless of how many devices are connected to
ProtoNode.
Set the BACnet MS/TP MAC addresses of the ProtoNode to a value between 1 to 127 (MAC
Master Addresses); this is so that the BMS Front End can find the ProtoNode via BACnet auto
discovery.
NOTE: Never set a BACnet MS/TP MAC Address from 128 to 255. Addresses from 128 to 255 are
Slave Addresses and can not be discovered by BMS Front Ends that support auto discovery of
BACnet MS/TP devices.
Set “A” bank DIP switches A0 –A7 to assign a MAC Address to the ProtoNode for BACnet
MS/TP.
Refer to Appendix C.1 for the complete range of MAC Addresses and DIP switch settings.
NOTE: When using Metasys N2 and Modbus TCP/IP, the A Bank of DIP switches are disabled and
not used. They should be set to OFF.
A0
A1
A2
A3
A4
A5
A6
A7
Off On
NOTE: When setting DIP Switches, ensure that power to the board is OFF.
Figure 7: MAC Address DIP Switches

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3.5.2 BACnet MS/TP (FPC-N38): Setting the Baud Rate for BMS Network
“B” bank DIP switches B0 –B3 can be used to set the Field baud rate of the ProtoNode to match
the baud rate required by the Building Management System for BACnet MS/TP.
The baud rate on ProtoNode for Metasys N2 is set for 9600. “B” bank DIP switches B0 – B3 are
disabled for Metasys N2 on ProtoNode FPC-N38.
“B” bank DIP switches B0 –B3 are disabled on ProtoNode FPC-N39 (LonWorks).
B0
B1
B2
B3
Off On
3.5.2.1 Baud Rate DIP Switch Selection
Baud
B0
B1
B2
B3
9600
On
On
On
Off
19200
Off
Off
Off
On
38400*
On
On
Off
On
57600
Off
Off
On
On
76800
On
Off
On
On
Figure 9: BMS Baud Rate
* Factory default setting = 38400
Figure 8: BMS Baud Rate DIP Switches

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4 INTERFACING PROTONODE TO DEVICES
4.1 ProtoNode FPC-N38 and FPC-N39 Showing Connection Ports
Figure 10: ProtoNode FPC-N38 (upper) and ProtoNode FPC-N39 (lower)

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4.2 Device Connections to ProtoNode
ProtoNode 6 Pin Phoenix connector for RS-232 Devices
The 6 pin Phoenix connector is the same for ProtoNode FPC-N38 (BACnet) and FPC-N39
(LonWorks).
Pins 1 through 3 are for RS-232 devices.
oUse standard grounding principles for RS-232 GND
Pins 4 through 6 are for power. Do not connect power until Section 4.5.
Device Pins
ProtoNode Pin
#
Pin
assignment
Pin RS-232 -
Pin 1
RS-232 +
Pin RS-232 +
Pin 2
RS-232 -
Pin GND
Pin 3
RS-232 GND
Power In (+)
Pin 4
V +
Power In (-)
Pin 5
V -
Frame Ground
Pin 6
FRAME GND
Figure 11: Power and RS-232 Connections

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4.3 BACnet MS/TP or Metasys N2 (FPC-N38): Wiring Field Port to RS-485
Network
Connect the BACnet MS/TP or Metasys N2 RS-485 network wires to the 3-pin RS-485 connector
on ProtoNode FPC-N38. (Figure 12)
oUse standard grounding principles for RS-485 GND
See Section 5.2 for information on connecting to BACnet/IP network.
If the ProtoNode is the last device on the BACnet MS/TP or Metasys N2 trunk, then the
End-Of-Line Termination Switch needs to be enabled. (Figure 13)
oThe default setting from the factory is OFF (switch position = right side)
oTo enable the EOL Termination, turn the EOL switch ON (switch position = left
side)
4.4 LonWorks (FPC-N39): Wiring LonWorks Devices to the LonWorks Terminal
Wire the LonWorks device network to the ProtoNode LonWorks Terminal.
oUse approved cable per the FT-10 installation guidelines
LonWorks has no polarity.
BMS RS-
485 Wiring
ProtoNode
Pin #
Pin
Assignment
RS-485 +
Pin 1
RS-485 +
RS-485 -
Pin 2
RS-485 -
-
Pin 3
RS-485 GND
Figure 14: LonWorks Terminal
Figure 13: RS-485 BMS Network EOL Switch
End-of-Line Switch
Figure 12: Connection from ProtoNode to RS-485 Field Network
G
-
+

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4.5 Power-Up ProtoNode
Check power requirements in the table below:
Power Requirement for ProtoNode External Gateway
Current Draw Type
ProtoNode Family
12VDC/VAC
24VDC/VAC
30VDC
FPC –N38 (Typical)
170mA
100mA
80mA
FPC –N38 (Maximum)
240mA
140mA
100mA
FPC –N39 (Typical)
210mA
130mA
90mA
FPC –N39 (Maximum)
250mA
170mA
110mA
NOTE: These values are ‘nominal’ and a safety margin should be added to the power supply of the host
system. A safety margin of 25% is recommended.
Figure 15: Required current draw for the ProtoNode
Apply power to ProtoNode as show below in Figure 16. Ensure that the power supply used
complies with the specifications provided in Appendix D.1.
ProtoNode accepts either 9-30VDC or 12-24 VAC on pins 4 and 5.
Frame GND should be connected.
Power to
ProtoNode
ProtoNode
Pin #
Pin
Assignment
Power In (+)
Pin 4
V +
Power In (-)
Pin 5
V -
Frame Ground
Pin 6
FRAME GND
Figure 16: Power Connections

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4.5.1 Auto-Discovery: After Completion –Turn Off to Save Configuration
NOTE: If Modbus TCP/IP was selected in Section 3.4.1 for the Field/BMS protocol, skip this
section. Auto-Discovery is NOT used for Modbus TCP/IP.
The S3 DIP Switch for Enabling Auto-Discovery should have been set in Section 3.4.2 before applying
power to the ProtoNode. Do not Enable Auto-Discovery when the unit is powered.
When power is applied to a ProtoNode that is set to Enable Auto-Discovery, it will take 3 minutes
to complete the discovery of all of the RS-485 devices attached to the ProtoNode.
The “TX” LED will flash during Auto-Discovery. The “TX” LED will stop flashing when completed.
Once the ProtoNode has discovered all of the RS-485 devices, set the S3 DIP switch to the
OFF position to save the current configuration.
Then turn the power to the ProtoNode back ON. The stored configuration is now loaded.
S3 DIP Switch Auto-Discovery Mode
S3
Auto-Discovery ON –Build New Configuration
On
Auto-Discover OFF –Save Current Configuration
Off
Figure 17: S3 DIP Switch setting for Auto Discovering Devices

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5 BACNET/IP OR MODBUS TCP/IP: CHANGE THE PROTONODE IP ADDRESS
5.1 Connect the PC to ProtoNode via the Ethernet Port
Connect a CAT5 Ethernet cable (Straight through or Cross-Over) between the local PC and
ProtoNode.
The Default IP Address of ProtoNode is 192.168.1.24, Subnet Mask is 255.255.255.0. If the PC
and ProtoNode are on different IP Networks, assign a static IP Address to the PC on the
192.168.1.xxx network.
For Windows XP:
Go to > >
Right-click on Local Area Connection > Properties
Highlight >
For Windows 7 or later:
Go to > >
> >
Right-click on Local Area Connection > Properties
Highlight >
For Windows XP and Windows 7, use the following IP Address:
Click twice.

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5.2 BACnet/IP and Modbus TCP/IP: Setting IP Address for Field Network
After setting a local PC on the same subnet as the ProtoNode (Section 5.1), open a web browser
on the PC and enter the IP Address of the ProtoNode; the default address is 192.168.1.24.
NOTE: If the IP Address of the ProtoNode has been changed by previous configuration, the assigned IP
Address can be discovered using the FS Toolbox utility. See Appendix A.1 for instructions.
The Web Configurator is displayed as the landing page. (Figure 18)
NOTE: Below the “Active profiles”heading are listed the profiles for connected devices. If no
profiles are present, then the wiring, baud rate, and DIP switch settings must be checked,
because there is a problem with device communications. All the active profiles must show
the correct Node-ID’s before proceeding.
NOTE: If multiple devices are connected to the ProtoNode, set the BACnet Virtual Server Nodes
field to “Yes”; otherwise leave the field on the default “No” setting.
To access the FS-GUI, click on the “Diagnostics & Debugging” button in the bottom right side of
the page.
Figure 18: Web Configurator Screen