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1. DESCRIPTION
The BA444NDF-P fieldbus indicator is a Type n,
PROFIBUS PA instrument that may be configured
as a fieldbus node or as a fieldbus listener. It can
display up to eight fieldbus process variables on a
five digit LCD and a 31 segment analogue
bargraph. The instrument is bus powered so no
additional power supply is required and has
PROFIBUS PA User Organisation approval,
certificate Z01505.
Fieldbus node configuration may be performed by
either a User PRM data download or by a DPV1
configurator, and if required, the instrument
address may be entered via the front panel push
buttons.
When configured as a fieldbus listener, the
BA444NDF-P is not visible to the fieldbus host and
can only be configured using the push buttons on
the front of the instrument.
Housed in a robust IP66 glass reinforced polyester
(GRP) enclosure with a toughened glass window,
the BA444NDF-P is surface mounting, or may be
pipe mounted using one of the accessory kits.
The indicator is ATEX Group II Category 3G
certified for use in Zone 2 explosive gas
atmospheres. The indicator also has IECEx Type
nL approval for international applications.
For use in combustible dust atmospheres the
BA444NDF-P has ATEX and IECEx Ex tD dust
certification. See Appendix 1 for details of ATEX
dust certification and Appendix 2 for IECEx
certification.
The instrument’s communication protocol is shown
on a label inside the terminal cover. The ‘-P’ order
code suffix also indicates the protocol but is not
shown on the instrument certification label.
There is an alternative version of the fieldbus
display, order code BA444NDF-F for use on
FOUNDATION™ fieldbus networks.
1.1
Documentation
The main body of this manual describes ATEX
design and installation requirements for
BA444NDF-P applications in flammable gas
atmospheres. System design and installation
requirements for ATEX dust and for IECEx gas
and dust applications are shown in appendices to
this manual.
For additional node configuration information
please refer to the
BEKA PROFIBUS PA Display –
Fieldbus Interface Guide
which is available from
the BEKA sales office, or may be downloaded from
www.beka.co.uk
2. OPERATION
The BA444NDF-P indicator can display up to eight
pre-configured PROFIBUS PA process variables
designated in-1 to in-8. The operator can select
which variable is displayed using the
▼
and
▲
push buttons which scroll the display through the
eight inputs. A numeric annunciator on the left
hand side of the display shows which of the eight
inputs is currently being displayed.
2.1 Error messages
‘no ConF’
No inputs have been
configured or are enabled.
‘no dAtA’
No data is being received
with the current configuration.
3. Type nL CERTIFICATION
3.1 ATEX certificate
The BA444NDF-P has been issued with a Type
Examination Certificate by Notified Body Intertek
Testing and Certification Ltd (ITS) confirming
compliance with the European ATEX Directive
94/9/EC for Group II, Category 3GD equipment.
The instrument bears the Community Mark and,
subject to local codes of practice, may be installed
in any of the European Economic Area (EEA)
member countries. ATEX certificates are also
acceptable for installations in Switzerland.
This manual describes ATEX installations in
explosive gas atmospheres which conform with
EN 60079:Part14 Electrical Installation in
Hazardous Areas. When designing systems for
installation outside the UK, the local Code of
Practice should be consulted.
For use in the presence of combustible dust,
please refer to Appendix 1 that describes ATEX
installations complying with EN 61241-14.
Summary of Contents for BA444NDF-P
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