Neptronic TUCB24C6X2 Manuale utente

TUXB24C6X2-BACnet Guide-160603.docx

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Universal Wall-Mount Controller

TUCB & TUHB Series

BACnet Communication Module User Guide

TUCB24C6X2 with Internal Temperature Sensor (6 binary/2 analog outputs)

TUHB24C6X2 with Internal Temperature and Humidity Sensor (6 binary/2 analog outputs)

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Universal Wall-Mount Controller

BACnet Communication Module User Guide

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Contents

Introduction.......................................................................................................................................................................1

Pre‐requisites.................................................................................................................................................................1

AdvantagesofBACnet...................................................................................................................................................1

BACnetPropertiesConfiguration...................................................................................................................................2

ConfigurationOptions........................................................................................................................................................3

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

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

MACAddressandMax_Master.................................................................................................................................3

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

NetworkReset...............................................................................................................................................................4

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

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

OutofServiceProperty..................................................................................................................................................7

ObjectTableInformation...................................................................................................................................................8

AnalogInput(AI)............................................................................................................................................................8

AnalogOutput(AO)........................................................................................................................................................8

AnalogValue(AV)..........................................................................................................................................................9

BinaryInput(BI)...........................................................................................................................................................14

BinaryOutput(BO).......................................................................................................................................................14

BinaryValue(BV).........................................................................................................................................................14

MultiStateValue(MSV)...............................................................................................................................................17

Other............................................................................................................................................................................21

Notes................................................................................................................................................................................22

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Universal Wall-Mount Controller

BACnet Communication Module User Guide

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Introduction

The TUCB & TUHB Series Controller BACnet® Communication Module User Guide provides information about using

the controller with BACnet communications feature. The BACnet communication protocol for building automation and

control networks enables communication between client devices within a network. The controller provides a BACnet

network interface between BACnet client devices and Neptronic Controller series devices. It uses the BACnet Master

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

Pre-requisites

The BACnet communication user guide assumes that you are familiar with the concepts of BACnet and its

terminology.

Advantages of BACnet

BACnet enabled controllers have the following advantages:

 Quick Message Transmission. The controller uses a synchronous implementation for BACnet messages

making it quick and efficient. Each BACnet confirmed service request is answered as quickly as possible

without using the Reply Postponed frame. The MS/TP implementation is performed within Tusage_delay of

15 minutes to ensure a Tusage_timeout value within 20 minutes.

 MS/TP Support. The controller supports a Full Master Node state machine for MS/TP. The Max_Master and

the instances are configured to the device object through BACnet WriteProperty service or via the device's

Programming Mode. The MAC address and the MS/TP baud rate setting of 9600, 19200, 38400, or 76800 are

also set through the BACnet Write Property service or via the device's Programming Mode. In Programming

mode, the device is configured through the device’s keypad. For more information about the WriteProperty,

refer to Table 3 - Object Types Supported.

 BIBB Support. The controller functions the same way as the B-ASC type profile server and supports the

specific BIBB as per their relevant definitions.

o DS-RP-B

o DS-RPM-B

o DS-WP-B

o DS-WPM-B

o DM-DCC-B

o DM-DDB-B

o DM-DOB-B

o DM-RD-B

o DM-TS-B

o DM-UTC-B

o DS-COV-B

o DS-COVP-B

o SCHED-WS-I-B

 Object Support. The controller supports a fixed list of BACnet visible values, which appear as Present_Values

of various BACnet standard object types in addition to a device object. For more information, refer to Table 3 -

Object Types Supported.

 Alarms. The controller supports indication of various alarm conditions through value changes in properties of

several objects. However, it does not generate BACnet event notifications.

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BACnet Communication Module User Guide

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BACnet Properties Configuration

To establish communication on the network, and guarantee a unique ID of devices in a BACnet system, the following

properties may have to be configured.

Table 1 - BACnet Properties Configuration

Property Default Value Configuration

MAC Address 000

 Set to a unique address on the network between 000 and 254.

 The value can be set manually via the menu.

 The value can be set manually through the WriteProperty service to

Device Object.proprietary-property#1000 MSTP-Address.

 The values from 128-254 represent MS/TP non-token passing slave

devices.

Device Instance Auto

 The controller automatically configures its device instance to 153,000 +

MAC address.

 The value can be set manually via the menu.

 The value can be set manually 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.

Baud Rate 0 = Auto

 The controller configures its baud rate automatically by detecting the

network upon connection.

 The value can be set manually from the available values of Auto, 9600,

19200, 38400, 76800.

Max_Master 127

 Configure Max_Master value to increase network efficiency when there are

less than 127 devices on the network.

 The Max_Master value can be changed through the WriteProperty service

to Device Object.Max_Master.

For more information, refer to the MAC Address and Max_Master section.

Device Object.Object_Name Name of the

device

 Configure the name of the device through the WriteProperty service to

Device Object.Object_Name. For example, TUCB24.

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BACnet Communication Module User Guide

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Configuration Options

The following Configuration options enable you to configure and run the BACnet features of the controllers quickly.

Quick Setup

Configure the controller for BACnet communication without programming.

1. Ensure that no other device on the network has a MAC address of 0 (the controller's default address).

2. Connect the controller to the network and power it up.

3. The controller automatically configures the baud rate and device instance allowing BACnet Property

Configuration through the Write Property service. See Table 1 - BACnet Properties Configuration.

4. Repeat the steps for each controller.

Manual Setup

Configure the controller for BACnet communication with programming.

1. Access Operation Mode (jumper set to RUN position).

2. Press and hold both function buttons for 5 seconds to access the Quick Access menu.

3. Enter the password, 637.

4. Follow the instructions to configure the MAC Address, MAX Master, Device Instance, and Baud Rate,

manually.

5. Disconnect the power to the controller, connect the controller to the network, and connect the power

again.

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 value of

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

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

Examples of MAC Address and Max_Master Configurations

The following are some of the examples to indicate the optimum combination of Mac address and Max_Master

configurations to ensure a quick and efficient output.

Example 1

 MAC=0. Max_Master=127

 MAC=1, Max_Master=127

This configuration 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.

Example 2

 MAC=0. Max_Master=5

 MAC=1 to MAC=4 are not used

 MAC=5, Max_Master=5

This configuration is better than Example 1 but it is still not optimal. The Max_Master is set to the most efficient value

but the gap between the two MAC addresses is high. Therefore, each unit must poll four units until it finds the right

one to pass the token.

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BACnet Communication Module User Guide

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Example 3

 MAC=0, Max_Master=1

 MAC=2, Max_Master=2

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

address=2.

Example 4

 MAC=0. Max_Master=3

 MAC=1, Max_Master=3

 MAC=2, Max_Master=3

 MAC=3, Max_Master=3

This is an efficient configuration as the units are numbered consecutively and the MAX_Master is set to the most

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

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

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

Max_Master=the maximum MAC address in the system.

Copy Config

Copy and broadcast the entire configuration of a controller over the network to controllers of the same type using the

Copy Config feature.

1. Access Operation Mode (jumper set to RUN position).

2. Press and hold both function buttons for 5 seconds to access the Quick Access menu.

3. Enter the password, 637.

4. Scroll to Copy Config programming menu and select Yes. Follow the rest of the onscreen instructions.

Note: A Copy Config can also be executed via BACnet. See AV.165, AV.166, AV.167, and BV.90 in Table 6 -

Object Table Information: Analog Value (AV) and Table 9 - Object Table Information: Binary Value (BV) for details.

Network Reset

Reset the controller via BACnet using the Reinitialize Device service. The Reinitialize Device service can be

accessed using the following password: nep.

The Reinitialize Device service has two types of reset such as:

 Warm Reset. The Warm Reset restarts the controller with actual configuration.

 Cold Reset. The Cold Reset restarts the controller with Factory configuration.

Warning: The Cold Reset erases the actual configuration when setting the MSTP address. Therefore, exercise

caution while performing a Cold Reset.

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BACnet Communication Module User Guide

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Device Object Properties

The following table lists all the BACnet properties supported for the device object. The W indicates that the property is

writable using the BACnet WriteProperty service.

Table 2 - Device Object Properties

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 TUCB24, programmable up to 32 Bytes W

Description Programmable up to 32 Bytes (default: BACnet Unit Controller) W

Object_Type Device

System_Status Operational

Vendor_Identifier Always 153

Vendor_Name Always Neptronic

Model_Name Example, TUCB24

Firmware_Revision currently, 1.17

Application_Software_Version currently, 1.02

Protocol_Version Always 1

Protocol_Revision Always 14

DataBase_Revision Default 0; incremented if Object Name and/or device ID change

Max_APDU_Length_Accepted Always 480

Segmentation_Supported (3) = No Segmentation

APDU_Timeout 6000 W

Number_of_APDU_Retries Always 3

Local_Time 00:00:00 W

Local_Date 01-Jan-2015 (Thu) W

UtC_Offset -300 minutes W

Daylight_Savings_Status False W

Backup_Failure_Timeout 300 W

Configuration_Files File-1

Last_Restore_Time 2015-01-01 (Thu), 00:00:00:00

Backup_And_Restore_State IDLE

Backup_Preparation_Time 0

Restore_Completion_Time 0

Restore_Preparation_Time 0

Protocol_Services_Supported

 subscribeCOV

 atomicReadFile

 atomicWriteFile

 readProperty

 readPropertyMultiple

 WriteProperty

 writePropertyMultiple



deviceCommunicationControl

 reinitializeDevice

 unconfirmedPrivateTransfer

 timeSynchronization

 who-Has

 who-Is

 subscribeCOVProperty

Protocol_Object_Types_Supported

 analog-input

 analog-output

 analog-value

 binary-input

 binary-output

 binary-value

 device

 file

 program

 schedule

 multi-state-value

Object_List 177

Device_Address_Binding Always empty

Max_Master Programmable in the range of 1-127 (default: 127) W

Max_Info_Frames Always 1

Active_COV_Subscription Empty by default. COV subscription will be lost on a power cycle.

Property_List List of properties that exist within the object.

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Property Value Writable

Proprietary property #1000

 Programmable (default:0)

 Represents the MS/TP MAC address in the range of 0 to 254

 Values 128 to 254 represent MS/TP non-token passing slave devices

Proprietary property #1001

 Programmable (default: Auto)

 Represents the MS/TP Baud rate (unsigned type)

 Values are 0 (Auto), 9600, 19200, 38400, 76800

 Reading this property always returns the actual Baud rate

Proprietary property #1002

 Programmable (default: 15 minutes)

 Represents the 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

Object Types Supported

The following table lists all the BACnet properties supported for each object type. Most of the properties are locked.

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.

Table 3 - Object Types Supported

Object

Type Enabled Optional Properties

Supported

Writable Properties Notes

Note: Writable properties are different for some objects. Refer to the respective Object Table information to know the writable property for objects.

Analog

Input 

 Reliability

 Description

 Min_Present_Value

 Max_Present_Value

 Resolution

 Cov-increment

 Out_of_Service

 Cov-Increment



If "Out of Service" is true, Present_Value and

Status_Flag become writable properties. Refer to

Out of Service Property section on page 7 for more

information.

 Object will automatically return to Normal after a

programmable period of time. Refer to Proprietary

property #1002 of Device Object in Table 2 -

Device Object Properties.

Analog

Value 

 Reliability

 Description

 Cov-Increment

 Priority_Array

 Relinquish_Default

 Present_Value

 Out_of_Service

 Cov-Increment



Present_Value property is writable for every AV

object except AV.20, AV.24, AV.35, AV.38, AV.50,

AV.60, AV.78, AV.79, AV.87.

 Out_of_Service property is writable for AV.1, AV.3,

AV.4, AV.70, AV.95.

 Refer to Out of Service Property section on page 7

for more information.

 Object will automatically return to Normal after a

programmable period of time. Refer to Proprietary

property #1002 of Device Object in Table 2 -

Device Object Properties.

Analog

Output 

 Description

 Reliability

 Min-Pres-Value

 Max-Pres-Value

 Resolution

 Cov-Increment

 Present_Value

 Cov-Increment

Binary

Input 

 Reliability

 Active_Text

 Inactive_Text

 Description

Out_of_Service



If "Out of Service" is true, Present_Value and

Status_Flag become writable properties. Refer to

Out of Service Property section on page 7 for more

information.

 Object will automatically return to Normal after a

programmable period of time. Refer to Proprietary

property #1002 of Device Object in Table 2 -

Device Object Properties.

Binary

Value 

 Reliability

 Active_Text

 Inactive_Text

 Description

 Priority_Array

 Relinquish_Default

Present_Value

Out_of_Service



Present_Value property is writable for every Binary

Value object except BV.36 and BV.42.

 Out_of_Service property is writable for BV.30.

 Some objects are commandable. In such case, the

priority-array and relinquish-default properties are

available for BV.30.

 Object automatically returns to Normal after a

programmable time. Refer to Proprietary property

#1002 of Device Object in Table 2 - Device Object

Properties.

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BACnet Communication Module User Guide

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Object

Type Enabled Optional Properties

Supported

Writable Properties Notes

Binary

Output 

 Description

 Reliability

 Inactive-text

 Active-text

Present_Value

Device 

 Max_Master

 Max_Info_Frame

 Description

 active-cov-subscriptions

 #1000 (MSTP addr)

 #1001 (Baud rate)

 #1002 (Time out)

 Local_Time

 Local_Date

 UTC_Offset

 Daylight_Savings_Status

 Apdu_Timeout

 Backup_Failure_Timeout

 Configuration_Files

 Last_Restore_Time

 Backup_And_Restore_State

 Backup_Preparation_Time

 Restore_Completion_Time

 Restore_Preparation_Time

 Object_Identifier

 Object_Name

 Max_Master

 Description

 Local_Time

 Local_Date

 UTC_Offset

 Daylight_Savings_Status

 Apdu_Timeout

 Backup_Failure_Timeout

 #1000

 #1001

 #1002

Multi-

State

Value



 Description

 Reliability

 States_Text

 Priority_Array

 Relinquish_Default

Present_Value



Present_Value property is writable for every Multi

State Value object except MSV.14, MSV.15.

 Out_of_Service property is not writable for MSV.

Program 

 Description

 Reliability Program_Change



Only LOAD and RESTART are supported for

Program Change.

 Use LOAD to apply the new firmware.

File  Description



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