Neptronic EFCB Series Manuale utente

EFCB Series Controller

BACnet®Communication Module

User Guide

EFCB-SERIES-BACNET-USER GUIDE

EFCB-130429-EUL.doc

EFCB Series Controller

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Table of Contents

Introduction..............................................................................................................................2

BACnet®Overview..................................................................................................................2

Getting Started.........................................................................................................................3

Quick Setup ............................................................................................................................3

Manual Setup..........................................................................................................................3

Copy Config ............................................................................................................................4

MAC address and Max_Master ..............................................................................................4

Device Object Properties........................................................................................................5

Object Types Supported.........................................................................................................6

Out of Service .........................................................................................................................6

EFCB Series Objects Table ....................................................................................................7

EFCB Series Controller

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Introduction

This document provides information on using the Neptronic controller communications feature. This product

provides a BACnet®network interface between BACnet®client devices and Neptronic controllers. It uses the

BACnet®Master Slave/Token Passing (MS/TP) protocol at the BACnet®MAC layer.

This document assumes you are familiar with BACnet®and BACnet®terminology.

BACnet®Overview

Performance

The controller uses a synchronous implementation for BACnet®messages. Each BACnet®confirmed service

request is answered as quickly as possible without using Reply Postponed. In particular, MS/TP implementation

performs within Tusage_delay of 15ms in order to assure Tusage_timeout values within 20ms.

Support for MS/TP

The controller supports a Full Master Node state machine for MS/TP. All parameters are configured via the

thermostat menu or via the BACnet®WriteProperty service. Changes made via the WriteProperty take effect

immediately and does not require a restart of the controller. For more information the configurable properties,

please refert to the Getting Started section on page 3. For more information on the thermostat menu, please

refer to the controller’s Specification & Installation Manual for more details.

BIBB Support

The controller generally behaves as a B-ASC type profile server. The following specific BIBBs are supported per

their relevant definitions in Annex K to BACnet®: DS-RP-B, DS-RPM-B, DS-WP-B, DS-WPM-B, DM-DDB-B,

DM-DOB-B, DM-DCC-B

Object Support (in general)

The controller supports a table-based fixed list of BACnet®-visible values which appear as Present_Values of

various BACnet®standard object types, in addition to a Device object.

Alarms

Although the controller supports the ability to indicate various alarm conditions through value changes in

properties of several of its objects, it does not generate BACnet®Event Notifications.

Features

Neptronic controllers also offer the following time-saving features.

Auto Baud Rate Detection

The controller automatically configures its baud rate by detecting the network speed upon connection.

Auto Device Instance Configuration

The controller automatically configures its device instance to 153000 + MAC address.

Copy Configuration

Copy the controller’s entire configuration and broadcast it to other controllers of the same type on the same

network.

EFCB Series Controller

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Getting Started

The following BACnet®properties are configurable and may need to be modified to effectively establish

communication on the network and to guarantee uniqueness of each device in a BACnet®system.

MAC Address (Default: 000)

Set to between 000 and 127 via DIP switches on the controller. Can also be set manually to between

000 and 254 via thermostat menu* (128-254 represent MS/TP non-token-passing slave devices).

Device Instance (Default: Auto)

The controller automatically configures its device instance to 153000 + MAC address. Can also be set

manually via thermostat menu* or through the WriteProperty service to Device Object.Object_Identifier.

The device’s Object_Identifier is a combination of the Device Object_Type (8) and the Device_Instance

(0-4194302), therefore its decimal or hexadecimal representation tends to be incomprehensible. For

example, the Device_Instance=1000 has an equivalent Object_Identifier of 0x020003E8 hexadecimal or

33555432 decimal. While it’s the device’s Object_Identifier property that can be changed using a

BACnet®WriteProperty service, this document refers mostly to Device_Instance.

Baud Rate (Default: 0 = Auto)

The controller automatically configures its baud rate by detecting the network speed upon connection.

Can also be set manually via thermostat menu* or through the WriteProperty service to Device

Object.proprietary property #1001. This value is Unsigned type, and available values are 9600, 19200,

38400, 76800.

Max_Master (Default: 127)

To increase network efficiency or if there are less than 127 devices on the network, the Max_Master

value can be configured through WriteProperty service to the Device Object.Max_Master. For more

information, refer to the MAC address and Max_Master section on page 4.

Device Object.Object_Name

Name of device, for example EVFB11WQ4. This value can be configured through WriteProperty service

to the Device Object.Object_Name.

* NOTE: When referring to the thermostat menu in this section, it includes the Quick Access Menu when in

operation mode (RUN) and the Installer Menu when in programming mode (PGM).Refer to the controller’s

Specification & Installation Manual for more details.

Quick Setup

Take advantage of the controller’s Auto Baud Rate Detection, Auto Device Instance Configuration, and default

Max_Master value, to get up and running with no programming.

1) Using the DIP switches located on the controller, set a unique MAC address.

2) Connect the controller to the network and then power up the controller. The controller automatically

configures the baud rate and device instance.

3) Repeat steps 1 and 2 for each controller.

Manual Setup

If your site has more than one EFCB network and/or you wish to use a Device_Instance other than 153,000,

follow these instructions.

1) With the thermostat in Operation Mode (jumper = RUN), go to the Quick Access Menu by pressing and

holding both function buttons on the thermostat for 5 seconds. Refer to the controller’s Specification &

Installation Manual for more details.

2) Enter the password (637).

3) In this mode you can manually configure the MAC address, Device Instance and Baud Rate.

4) Power down the controller, connect the controller to the network and then power up the controller.

EFCB Series Controller

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5) Repeat steps 1 to 4 for each controller.

6) To increase network efficiency or if there are less than 127 devices on the network, the Max_Master

value can be configured through WriteProperty service to the Device Object.Max_Master. For more

information, refer to the MAC address and Max_Master section on page 4.

Copy Config

Copy the controller’s entire configuration and broadcast it to other controllers of the same type on the same

network.

1) With the thermostat in Operation Mode (jumper = RUN), go to the Quick Access Menu by pressing and

holding both function buttons on the thermostat for 5 seconds. Refer to the controller’s Specification &

Installation Manual for more details.

2) Enter the password (637).

3) Scroll to “Copy Config” and select yes. Follow onscreen instructions.

MAC address and Max_Master

The MAC address must be unique on the entire MS/TP network. However, having a unique MAC address and a

high baud rate does not guarantee efficient operation of the controller and other MS/TP units on the MS/TP

network. Some MAC address and Max_Master combinations are more efficient than others. BACnet®requires

token-passing units to occasionally “poll” for other masters based on the MAC address and Max_Master. A

“poor” combination of MAC addresses and Max_Master can lead to a slower network due to lost time polling for

masters that are not present. Unless there are 126 other units on the MS/TP network, the default Max_Master

of 127 is not the most efficient choice for the controller. The Max_Master default of 127 was selected to ensure

that any master, specifically a BACnet®client, can be found when the controller is first started.

Example 1:

This example is slow and inefficient because every time either unit is required to find another master unit it has

to poll 126 units until it finds the right one to pass the token.

MAC=0. Max_Master=127

MAC=1, Max_Master=127

Example 2:

This example is better but it’s still slower. The Max_Master is set to the most efficient value; however because

of the gap between the two MAC addresses, each unit must poll 4 units until it finds the right one to pass the

token.

MAC=0. Max_Master=5

MAC=1 to MAC=4 are not used

MAC=5, Max_Master=5

Example 3:

This example is an incorrect configuration. The MAC=0 will never find MAC=2 because it will never poll for the

master MAC address=2.

MAC=0. Max_Master=1

MAC=2, Max_Master=2

Example 4:

As a general guideline, the most efficient set up for an MS/TP network is one in which the units are

consecutively numbered starting at MAC address 0 and all have Max_Master=the maximum MAC address in

the system. If consecutive numbering is not possible, then the next most efficient set up is one in which all units

have Max_Master=the maximum MAC address in the system.

MAC=0. Max_Master=3

MAC=1, Max_Master=3

MAC=2, Max_Master=3

MAC=3, Max_Master=3

EFCB Series Controller

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Device Object Properties

The following table lists all the BACnet®properties supported for the device object. The “W” indicates if the

property is writable using the BACnet®WriteProperty service.

Property Value Writable

Object_Identifier Programmable where the instance part of the Object_Identifier is in

the range of 0-4194302. The device instance must be unique system-

wide. The default value for the device instance=153000

(Vendor_Identifier*1000)

Object_Name Programmable up to 32 characters. The device name must be unique

system-wide. The default value is Model_Name.

Description Programmable up to 32 characters. The default value= "BACnet

fancoil controller"

Object_Type 8

System_Status Non-Operational if major error on device.

Vendor_Identifier Always 153

Vendor_Name Always “National Environmental Products Ltd”

Model_Name Example : “EFCB”

Firmware_Revision currently “1.28”

Application_Software_Version currently “1.11”

Protocol_Version Always 1

Protocol_Revision Always 4

DataBase_Revision Default = 0, will be incremented if Object_Name and/or

Odject_Identifier is modified

Max_APDU_Length_Accepted Always 480

Segmentation_Supported (3) = No Segmentation

APDU_Timeout 3000

Number_of_APDU_Retries Always 0

Protocol_Services_Supported Always 0x00, 0x0B, 0xC0, 0x02, 0x60

(i.e. a bitstring in BACnet® order)

- writeProperty, readProperty

- writePropertyMultiple, readPropertyMultiple

- deviceCommunicationControl

- unconfirmedPrivateTransfer

- who-Is, who-Has

Protocol_Object_Types_Supported Always 0x00, 0xB4, 0x80, 0x10

(i.e. a bitstring in BACnet®order)

- analog-input, analog-value, binary-input, binary-value

- device

- multi-state-value

Object_List Per the standard. Because of restrictions on the size of the transmit

buffers, the entire Object_List cannot be returned at once, rather the

Object_List must be read, one-at-a-time.

Device_Address_Binding Always empty.

Max_Master Programmable in the range of 0-127. Default value=127 W

Max_Info_Frames Always 1

Proprietary property #1000 Read only. This proprietary property represents the MS/TP MAC

address in the range of (0-254). Values 128 to 254 represent MS/TP

non-token-passing slave devices. Default value=0

Proprietary property #1001 Programmable. This proprietary property represents the MS/TP baud

rate. This value is Unsigned type, and available values are 9600,

19200, 38400, 76800. Writing 0 will activate auto baud rate

functionality. Reading this property will always return actual baud rate.

Default : Auto* (Auto Baud Rate Detection requires V1.28 and up)

Proprietary property #1002 Programmable. This proprietary property represents that period of

time that an object in/out of service will automatically return to normal.

Range = 0-120 minutes (unsigned type). Writing 0 means no

automatic return to normal. Default: 15 minutes.

EFCB Series Controller

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Object Types Supported

A complete list of all BACnet®objects for the controller is listed in the following section:

The Device Object has already been described. The following tables list all the BACnet®properties supported

for each object type. Most of the properties are locked in. The exception is Present_Value, which represents the

dynamic operating values of the device, and the Status_Flag, Event_State and Reliability properties which

reflect the availability of the Present_Value. Unless otherwise specified, properties are not changeable.

Object Type Supported Optional Properties

Supported Writable

Properties If “Out of Service”

is True

Analog Input 

Reliability

Description

Min_Present_Value

Max_Present_Value

Resolution

Out_of_Service Present_Value

Status_Flag

Analog Value Reliability

Description

Present_Value1

Out_of_Service2

Present_Value

Status_Flag

Binary Input 

Reliability

Active_Text

Inactive_Text

Description

Out_of_Service Present_Value

Status_Flag

Binary Value 

Reliability

Active_Text

Inactive_Text

Description

Present_Value3

Out_of_Service4

Present_Value

Status_Flag

Device 

Max_Master

Max_Info_Frame

Description

#1001 (BAUD RATE)

#1002 (TIME OUT)

Object_Identifier

Object_Name

Max_Master

Description

#1001

#1002

N/A

Multi-State Value5Description

Reliability

States_Text

Present_Value6N/A

Out of Service

Neptronic controllers offer the use of the “Out of Service” writable property. When set to true, this property

disconnects the object from the physical input, enabling you to input other values. This could be useful for

special applications or when troubleshooting. For example, you can ignore the temperature read from a sensor

and input the desired temperature value in order to perform specific tests.

For security reasons there is a timeout that will set the Out of Service property back to false after 15 minutes.

This value can be modified to between 0 and 120 minutes (see proprietary property #1002).

1Present_Value property is writable for every AV object except: AV.1, AV.2, AV.3, AV.42, AV.46, AV.49, AV.68, AV.69, AV.98

2 Out_of_Service property is writable for objects that Present_Value is not writable: AV.1, AV.68, AV.69. Object will automatically return to

normal after a programmable period of time. See Proprietary property #1002 of Device object.

3Present_Value property is writable for every BV object except: BV.7, BV26, BV27, BV28, BV36, BV37

4Out_of_Service property is writable for objects that Present_Value is not writable. See list above. Object will automatically return to normal

after a programmable period of time. See Proprietary property #1002 of Device object.

5MSV object states number and text can vary depending of system set-up. Use carefully.

6Present_Value property is writable for every MSV object except: MSV.9, MSV.14

EFCB Series Controller

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EFCB Series Objects Table

The EFCB controllers use the following BACnet®object table. The type is the BACnet®Object type, the instance is the BACnet®Object. Together the type and instance

form the BACnet®Object_Identifier for an object according to the following C-language algorithm:

object_identifier=(unsigned long)((unsigned long)type<<22)+instance

ID7Name Description Writable

Property

EFCB12-GRx

EFCB1x

EFCB1x-OE1

EFCB1xQ1

EFCB1xQ1-OE1

EFCB1xQ2

EFCB1xQ2-OE1

EFCB1xQ3

EFCB1xQ4

EFCB1xQ4-OE1

Notes

AI.1 Intern.Temper. Internal temperature sensor value Out of service x x x x x x x x x x

0-50ºC or 32-122ºF, Resolution 0.01ºC/0.02ºF

AI.2 Extern.Temper. External temperature sensor value Out of service xxxxxxxxxx

0-50ºC or 32-122ºF, Resolution 0.01ºC/0.02ºF

AI.3 ChangeOverTemper. Changeover temperature sensor value Out of service x x x x x x x x x x

0-50ºC or 32-122ºF, Resolution 0.01ºC/0.02ºF

AI.4 Intern.Humidity

Internal humidity sensor value Out of service xxxxxxxxx

5-95%RH, Resolution 0.1%RH

AI.9 Extern.Humidity

External humidity sensor value Out of service x x x x x x x x x

5-95%RH, Resolution 0.1%RH

AI.13 AnalogInput310 Analog input 3, mode selected by dipswitch on

EFCB Out of service x x x x x x x x x x

If BV.6 is set to “Intern.Sensor” and/or MSV.4 = “10k”

0-10Volt or -40-100ºC or -40-212ºF, Resolution

0.01Volt or 0.01ºC/0.02ºF

If BV.6 is set to “Extern.Sensor” and MSV.4 ≠“10k”

AV.99 to AV.100, Resolution 0.01ºC/0.02ºF

AI.14 AnalogInput411 Analog input 4, mode selected by dipswitch on

EFCB Out of service x x x x x x x x x x

0-10Volt or -40-100ºC or -40-212ºF, Resolution

0.01Volt or 0.01ºC/0.02ºF

AI.15 AnalogInput512 Analog input 5, mode selected by dipswitch on

EFCB Out of service x x x x x x x x x x

0-10Volt or -40-100ºC or -40-212ºF, Resolution

0.01Volt or 0.01ºC/0.02ºF

AI.16 AnalogInput613 Analog input 6, mode selected by dipswitch on

EFCB Out of service x x x x x x x x x x

0-10Volt or -40-100ºC or -40-212ºF, Resolution

0.01Volt or 0.01ºC/0.02ºF

AV.1 ControlTemper. Temperature reading Out of service x x x x x x x x x x

0-50ºC or 32-122ºF, Resolution 0.01ºC/0.02ºF

AV.2 HeatingDemand Heating demand xxxxxxxxxx

0-100%, Resolution 0.1%

AV.3 CoolingDemand Cooling demand x x x x x x x x x x

0-100%, Resolution 0.1%

AV.4 FanDemand Fan demand

xxxxxxxxxx

0-100%, Resolution 0.1%

AV.5 Intern.Temper.Offset Internal temperature offset calibration Present Value x x x x x x x x x x

±5.0ºC, Resolution 0.1ºC

AV.6 Extern.Temper.Offset External temperature offset calibration Present Value x x x x x x x x x x

±5.0ºC, Resolution 0.1ºC

AV.7 Temper.SetPointOcc Temperature set point Present Value x x x x x x x x x x AV.8 to AV.9, Resolution 0.5ºC/1ºF

7ID is equal to ObjectType.Instance

8Internal sensor is available when a compatible controller is connected with a TFLH-INT; otherwise object is always out of service.

9External sensor is available when a compatible controller is connected with a TFLH-EXT or a TFLH-INT; otherwise object is always out of service.

10 This input could be analog 0-10V or thermistor mode, selectable by hardware dipswitch.

11 This input could be analog 0-10V or thermistor mode, selectable by hardware dipswitch.

12 This input could be analog 0-10V or thermistor mode, selectable by hardware dipswitch.

13 This input could be analog 0-10V or thermistor mode, selectable by hardware dipswitch.

EFCB Series Controller

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ID7Name Description Writable

Property

EFCB12-GRx

EFCB1x

EFCB1x-OE1

EFCB1xQ1

EFCB1xQ1-OE1

EFCB1xQ2

EFCB1xQ2-OE1

EFCB1xQ3

EFCB1xQ4

EFCB1xQ4-OE1

Notes

AV.8 Min.SetPointOcc Minimum temperature set point allowed Present Value x x x x x x x x x x

0 to AV.9 , Resolution 0.5ºC/1ºF

AV.9 Max.SetPointOcc Maximum temperature set point allowed Present Value x x x x x x x x x x

AV.8 to 40ºC or 104ºF, Resolution 0.5ºC/1ºF

AV.10 SetPointCoolNoOcc. No occupancy cooling set point Present Value x x x x x x x x x x

AV.11 to 40ºC or 104ºF, Resolution 0.5ºC/1ºF

AV.11 SetPointHeatNoOcc. No occupancy heating set point Present Value x x x x x x x x x x

10.0ºC or 50ºF to AV.10, Resolution 0.5ºC/1ºF

AV.12 CoolingProp.Band1 Proportional band for cooling Present Value xxxxxxxxxx

0.5-5ºC or 1-10ºF, Resolution 0.5ºC/1ºF

AV.13 HeatingProp.Band1 Proportional band for heating Present Value x x x x x x x x x x

0.5-5ºC or 1-10ºF, Resolution 0.5ºC/1ºF

AV.14 CoolingDeadBand1 Dead band for cooling Present Value xxxxxxxxxx

0-5ºC or 0-10ºF, Resolution 0.1ºC/0.2ºF

AV.15 HeatingDeadBand1 Dead band for heating Present Value x x x x x x x x x x

0-5ºC or 0-10ºF, Resolution 0.1ºC/0.2ºF

AV.16 FanTimeOutDelay Fan shutoff delay when there is no demand Present Value x x x x x x x x x x

0-255 seconds, resolution Resolution 1 second

AV.23 ChangeOverSetPoint Changeover set point Present Value x x x x x x x x x x

10-40ºC or 50-104ºF, Resolution 0.5ºC/1ºF

AV.24 NightSetBackDelay Override delay when in night Present Value x x x x x x x x x

0-180 minutes, Resolution 15 minutes

AV.25 FanDampingFactor Slow the effect on the fan of change of demand Present Value xxxxxxxxxx

0-255 seconds, Resolution 1 second

AV.26 Int.TimeFactorHeating Heating integral time factor Present Value x x x x x x x x x x

0-250 seconds, Resolution 5 seconds

AV.27 CoolingAntiCycleDelay Cooling start will be delayed by this value Present Value xxxxxxxxxx

0-15 minutes, Resolution 1 minute

AV.28 Loc.Heat.Demand Local reheat demand x x x x x x x x x x

0-100%

AV.29 Loc.Heat.Prop.Band Proportional band for local reheat Present Value x x x x x x x x x x

0.5-5.0ºC or 1-10ºF, Resolution 0.5ºC/1ºF

AV.30 Loc.Heat.DeadBand Dead band for local reheat Present Value x x x x x x x x x x

0-5ºC or 0-10ºF, Resolution 0.1ºC/0.2ºF

AV.31 FloatingMotorTiming Floating time Present Value

x x x x x x x x x

15-250 seconds

AV.36 Dehumid.Demand

Dehumidification demand xxxxxxxxx

0-100%

AV.37 HumiditySetPoint

Humidification/Dehumidification set point Present Value x x x x x x x x x

10.0-65.0%RH, Resolution 0.5%RH

AV.38 Intern.HumidityOffset

Internal humidity sensor offset Present Value xxxxxxxxx

±5.0%RH, Resolution 0.1%RH

AV.39 NoOcc.OverrideDelay Override delay when in no occupancy Present Value x x x x x x x x x x

0-180 minutes, Resolution 15 minutes

AV.40 HumidityControlRamp

Humidification/Dehumidification proportional band Present Value xxxxxxxxx

0.5-5.0%RH, Resolution 0.5%RH

AV.41 Humidif.Demand

Humidification demand x x x x x x x x x

0-100%

AV.45 Extern.HumidityOffset

External humidity sensor offset Present Value x x x x x x x x x

±5.0%RH, Resolution 0.1%RH

AV.49 ChangeOverDemand Changeover demand x x x x x x x x x x

0-100%, Resolution 0.1%

AV.50 ChangeOverProp.Band Proportional band for changeover Present Value x x x x x x x x x x

0.5-5ºC or 1-10ºF, Resolution 0.5ºC/1ºF

AV.51 ChangeOverDeadBand Dead band for changeover Present Value xxxxxxxxxx

0.3-5ºC or 0.6-10ºF, Resolution 0.1ºC/0.2ºF

AV.52 AnalogOutput1Min. Minimum voltage of analog output 1 Present Value x x x x x x x x x x

0 Volt to AV.54, Resolution 0.1 Volt

AV.53 AnalogOutput2Min. Minimum voltage of analog output 2 Present Value xxxxxxxxxx

0 Volt to AV.55, Resolution 0.1 Volt

AV.54 AnalogOutput1Max. Maximum voltage of analog output 1 Present Value x x x x x x x x x x

AV.52 to 10.0 Volt, Resolution 0.1 Volt

AV.55 AnalogOutput2Max. Maximum voltage of analog output 2 Present Value x x x x x x x x x x

AV.53 to 10.0 Volt, Resolution 0.1 Volt

14 Available when a compatible controller is connected with a TFLH-EXT or a TFLH-INT; otherwise object is always out of service.

15 Available when a compatible controller is connected with a TFLH-EXT or a TFLH-INT; otherwise object is always out of service.

16 Internal sensor is available when a compatible controller is connected with a TFLH-INT; otherwise object is always out of service.

17 Available when a compatible controller is connected with a TFLH-EXT or a TFLH-INT; otherwise object is always out of service.

18 Available when a compatible controller is connected with a TFLH-EXT or a TFLH-INT; otherwise object is always out of service.

19 External sensor is available when a compatible controller is connected with a TFLH-EXT or a TFLH-INT; otherwise object is always out of service.

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