Austdac HBLTU is a HubBus Line Termination Unit that can be placed at the end of the HubBus system and provides a connection to allow for system termination where required. The HBLTU can be connected in two configurations; one providing system termination, the other not providing any termination. The requirement for system termination depends on several factors (cable type/length, system load etc.) and shall be determined during system installation. The HBLTU should be mounted in a host enclosure providing protection against dust and moisture.
Austdac HBLTU is a HubBus Line Termination Unit that can be placed at the end of the HubBus system and provides a connection to allow for system termination where required. The HBLTU can be connected in two configurations; one providing system termination, the other not providing any termination. The requirement for system termination depends on several factors (cable type/length, system load etc.) and shall be determined during system installation. The HBLTU should be mounted in a host enclosure providing protection against dust and moisture.
1 OF 12
Title
HUBBUS LINE
TERMINATION UNIT
TYPE HBLTU
USER MANUAL
Document Number
125-258-12
Issue
01
HubBus Line Termination Unit 2 OF 12 125-258-12
HBLTU USER MANUAL Issue: 01
Revision Control
01 Release 2020.10.28 NI AJ PC
Issue Details Date Written Designed Approved
Austdac Pty Ltd
Unit 1 / 42 Carrington Road
Castle Hill NSW 2154
Australia
PO Box 6486
Baulkham Hills Business Centre
NSW 2153
Australia
Phone: + 61 2 8851 5000
Fax: + 61 2 8851 5001
Website: www.austdac.com.au
Copyright 2020
This document remains the property of Austdac Pty. Ltd. It is subject to its recall and must not be reproduced
in part or whole or its contents divulged to third parties without prior written approval from Austdac Pty Ltd.
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TABLE OF CONTENTS
Revision Control ............................................................................................................................. 2
TABLE OF CONTENTS .................................................................................................................. 3
TABLES .......................................................................................................................................... 4
FIGURES ........................................................................................................................................ 4
1 Introduction .................................................................................................................................. 5
1.1 Background and Context ....................................................................................................... 5
1.2 Purpose................................................................................................................................. 5
2 Warnings and Precautions ........................................................................................................... 6
2.1 Warnings ............................................................................................................................... 6
2.2 Symbols ................................................................................................................................ 6
2.3 Precautions ........................................................................................................................... 6
2.3.1 USER ACCESS .............................................................................................................. 6
2.3.2 STORAGE, INSTALLATION, USE AND MAINTAINANCE REQUIREMENTS ................ 7
2.3.2.1 Storage ............................................................................................................... 7
2.3.2.2 Installation and conditions of use ........................................................................ 7
3 Overview ...................................................................................................................................... 8
3.1 General Description .............................................................................................................. 8
3.2 Operation .............................................................................................................................. 8
4 Installation .................................................................................................................................... 9
4.1 Enclosure .............................................................................................................................. 9
4.2 Mounting ............................................................................................................................... 9
4.3 Terminals .............................................................................................................................. 9
5 Front Panel ................................................................................................................................ 10
5.1 Outer ................................................................................................................................... 10
6 Terminals ................................................................................................................................... 11
6.1 Type .................................................................................................................................... 11
6.2 Layout ................................................................................................................................. 11
6.2.1 Termination Connection ............................................................................................... 11
7 Specifications ............................................................................................................................. 12
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TABLES
Table 1: HBLTU Terminals ............................................................................................................ 11
Table 2: Specifications .................................................................................................................. 12
FIGURES
Figure 1: HubBus Line Termination Unit ......................................................................................... 8
Figure 2: Front panel ..................................................................................................................... 10
Figure 3: Terminal Plug ................................................................................................................. 11
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1 Introduction
1.1 BACKGROUND AND CONTEXT
HubBus is Austdac's long distance distributed I/O system used in a wide range of
applications in non-hazardous environments. HubBus overcomes the limitations of other
distributed I/O systems in terms of noise immunity from new variable frequency drives,
number of channels for input and output devices, transmission distances on large
overland conveyors and powering devices from the communications line.
1.2 PURPOSE
This document is the user’s manual for the HubBus Line Termination Unit (HBLTU). It
provides an overview and a detailed description of the installation, use and operation of
the HubBus Line Termination Unit.
This document does not contain detailed information concerning the operation of the
HubBus system. Refer to the “HubBus System Description and Overview” user’s manual
(125-250-12) for detailed information on HubBus. Likewise, refer to the HubBus Safety
Manual (125-NNN-12) for any functional safety related specifications.
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2 Warnings and Precautions
2.1 WARNINGS
WARNING: The HubBus Signal –ve line must not be tied to any common, 0V, ground or
Earth points.
WARNING: Do not use the same power supply as the channel generator. Any other
modules or equipment must be galvanically isolated from the HubBus channel
generators power source.
WARNING: If the HBLTU is used in a manner not specified by Austdac then the protection
provided by the HBLTU may be impaired.
WARNING: This product may contain chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm.
2.2 SYMBOLS
Markings that may be used across the HubBus range of products to indicate precautions
that must be taken to maintain safe operation of the system.
Direct Current (DC) Supply
Earth (ground) Terminal
Caution, possibility of electric shock
Caution (refer to user manual)
2.3 PRECAUTIONS
• Only qualified personnel shall install and service the HBLTU.
• Mains supply fluctuations are not to exceed ±10% of the nominal supply voltage.
2.3.1 USER ACCESS
There are no user serviceable parts within the HBLTU. The user should not open or
disassemble the HBLTU.
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2.3.2 STORAGE, INSTALLATION, USE AND MAINTAINANCE REQUIREMENTS
The HBLTU should only be installed, operated and maintained by qualified
personnel in accordance with the condition of safe use as outlined in the certificate.
Ensure that all instructions and warnings are observed.
2.3.2.1 Storage
The specified storage temperature must be maintained during storage.
2.3.2.2 Installation and conditions of use
Prior to installation the HBLTU should be inspected for the following;
• Any external damage to the enclosure.
The HBLTU may be installed in any orientation.
The HBLTU must be installed in a suitably certified IP54 or better enclosure
or as required by legislation. The enclosure should provide adequate
protection, from impact and ingress of dust and water.
The HBLTU should be mounted to a stable surface avoiding areas under
constant vibration and shock.
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3 Overview
3.1 GENERAL DESCRIPTION
Under certain conditions the HubBus system requires termination in order to operate
optimally. The HBLTU can be placed at the end of the HubBus system and provides a
connection to allow for system termination where required.
Figure 1: HubBus Line Termination Unit
3.2 OPERATION
The HBLTU can be connected in two configurations; one providing system termination,
the other not providing any termination. The requirement for system termination depends
on several factors (cable type/length, system load etc.) and shall be determined during
system installation.
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4 Installation
4.1 ENCLOSURE
The HBLTU should be mounted in a host enclosure providing protection against dust and
moisture. A minimum ingress protection of IP54 is recommended.
4.2 MOUNTING
The HBLTU should be mounted on an NS 35 DIN rail.
4.3 TERMINALS
All connections to the HBLTU are via screw connection with tension sleeve terminals
around the base of the DIN rail mounting enclosure.
• Maximum cross section of solid core conductor: 2.5mm2
• Maximum cross section of stranded conductor with ferrule: 2.5mm2
• Minimum cross section of solid core conductor: 0.2mm2
• Minimum cross section of stranded conductor with ferrule: 0.25mm2
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5 Front Panel
5.1 OUTER
As viewed with the top cover in place.
Figure 2: Front panel
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6 Terminals
6.1 TYPE
The PCB terminal connector is a Phoenix Contact style with 5.08mm pitch. Austdac
supplies the module with either a 90˚ free hanging push-in spring terminal plug.
Figure 3: Terminal Plug
6.2 LAYOUT
Table 1: HBLTU Terminals
6.2.1 Termination Connection
If system termination is determined to be required, HubBus signal shall be
connected to the “Term 1” terminals; if no system termination is required, HubBus
signal shall be connected to the “No Term” terminals. “Term 2” and “Term 3”
terminals are not currently used but are provided for future development only.
WARNING: The HubBus Signal –ve line must not be tied to any common, 0V, ground or
Earth points.
5Sig + Sig + 1
6Sig - Sig - 2
7Sig + Sig + 3
8Sig - Sig - 4
HBLTU
Term 1
No Term
Term 2
Term 3
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7 Specifications
General
Name
HubBus Line Termination Unit
Type
HBLTU
Physical
Dimensions
36mm (W) x 63mm (D) x 90mm (H)
Mass
150g
Mounting
DIN EN 60715 / TS35
Ingress protection
IP20
Enclosure material
PC (Polycarbonate) V0 (UL94)
Enclosure colour
RAL 7032 Grey / RAL 9005 Black
Terminals
Terminals
90˚ free hanging push-in spring terminal plug
Terminal Cross Section
2.5mm2
Terminal Pitch
5.08mm
Terminal Material
PA V0 (UL94)
Terminal Colour
Black
Environment
Operating Temperature
-20ºC to 50ºC
Storage Temperature
-20ºC to 80ºC
Humidity
80% to temps. up to 31ºC decreasing linearly to 50%rH at 40ºC
max 80% rH, non-condensing
Pollution Degree
2
Installation Category
1
Altitude
2000m
Electrical
Bus voltage
12 to 48VDC (p-p)
Unit load
0
Bus current consumption
10mA maximum @ 12-48VDC
Table 2: Specifications
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
Austdac HBLTU is a HubBus Line Termination Unit that can be placed at the end of the HubBus system and provides a connection to allow for system termination where required. The HBLTU can be connected in two configurations; one providing system termination, the other not providing any termination. The requirement for system termination depends on several factors (cable type/length, system load etc.) and shall be determined during system installation. The HBLTU should be mounted in a host enclosure providing protection against dust and moisture.
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