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INM4500-2
Mar 2009
WARNING
This manual describes the use and installation of safety equipment. This
equipment must be installed, operated and maintained only by trained
competent personnel and in accordance with all appropriate international,
national and local standard codes of practice and site regulations for
intrinsically safe apparatus and in accordance with the instructions contained
here.
ATEX
If the country of installation is governed by the Essential Health and Safety Requirements
(Annex II) of the EU Directive 94/9/EC [the ATEX Directive - safety of apparatus] then MTL
document INA4500 must be consulted before installation.
CERTIFICATION DATA
The MTL web site http://www.mtl-inst.com contains product documentation regarding intrinsic
safety certification for many locations around the world. Consult this data for information
relevant to your local certifying authority.
REPAIR
These products MUST NOT be repaired. Faulty or damaged products must be replaced with
an equivalent certified product.
7
BENCH TESTING MODULES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.1
Digital Input (DI) modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.2
Digital Output (DO) modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.3
Analogue Input (AI) Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.4
Analogue Output (AO) Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.5
Testing the functioning of other modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8
APPLICATIONS INVOLVING ZONE 2 AND/OR ZONE 22 HAZARDOUS AREAS . . . . . . . 44
8.1
Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
© 2009 MTL Instruments Group
. All rights reserved.