
Translation of the original instructions
© 2020 all rights reserved to Festo SE & Co. KG
1 About this document
This document describes the use of the above-mentioned product.
Certain aspects of use are described in other documents and must be observed
è 1.1 Further applicable documents.
1.1 Further applicable documents
All available documents for the product èwww.festo.com/pk.
Document Contents
Description of the automation system CPX-E
(CPX-E-SYS)
Detailed description of the
automation system CPX-E
Instruction manual for automation system CPX-E
(CPX-E-SYS)
Instruction manual and important information on
assembly, electrical installation and mainten-
ance tasks for an automation system CPX-E
Description of digital input module CPX-E-…DI-…
(CPX-E-…DI-…)
Detailed description of product function and
parameterisation options
Documentation of the components in an automa-
tion system CPX-E and the connected peripherals
Information on using the components
Operating conditions| EX Information on the use of the product in poten-
tially explosive gas atmospheres
Documentation for the higher-order controller
and the additional participants in the network
Information on commissioning and paramet-
erisation of the components
Tab. 1 Further applicable documents
1.2 Product version
This document refers to the following product versions:
Product Version
CPX-E-16DI Digital input module CPX-E-16DI, revision1 or later
CPX-E-16DI-EX1E1) Digital input module CPX-E-16DI-EX1E, revision1 or later
1) Use in an industrial environment and in process automation according to NE21 and in potentially explos-
ive atmospheres
Tab. 2 Product version
The product version can be identified from the product labelling or with the help
of appropriate software from Festo.
Appropriate software for determining the product version can be found in the
Festo Support Portal èwww.festo.com/sp.
Information on using the software can be found in the integrated Help function.
There may be an updated version of this document for these or later product ver-
sions èwww.festo.com/sp.
1.3 Product labelling
The product labelling is located on the left-hand side of the module. Scanning the
printed Data Matrix Code with an appropriate device opens the Festo Support
Portal, with the information appropriate for the product. Alternatively, the Product
Key (11-digit alphanumeric code on the product labelling) can be entered in the
search field of the Support Portal.
You can find detailed information on the product labelling in the description of the
module è 1.1 Further applicable documents.
1.4 Specified standards
Version status
EN60529:2013-10 IEC60204-1:2014-10
EN61000-6-2:2005-08 IEC61131-2:2015-05
EN61000-6-4:2007-01 NE21:2012-05
Tab. 3 Standards specified in the document
1.5 UL/CSA Certification
In combination with the UL inspection mark on the product, the information in this
section must also be observed in order to comply with the certification conditions
of Underwriters Laboratories Inc. (UL) for USA and Canada.
UL certification information
Product category code NRAQ/NRAQ7
File number E239998
Considered standards UL 61010-1, 3rd Edition, May 11, 2012, revised April 29, 2016
CAN/CSA-C22.2 No. 61010-1-12, 3rd Edition, revision dated April
29, 2016
UL 61010-2-201, 1st Edition, revised February 20, 2017
CSA-C22.2 No. 61010-2-201: 14, 1st Edition, issue date January
01, 2014
UL mark
Tab. 4 UL/CSA Certification Information
– Technical data and environmental conditions may be subject to change in
order to comply with Underwriters Laboratories Inc. (UL) certification require-
ments for the USA and Canada.
Observe deviations èTechnical data.
– The unit shall be supplied by a power source which fulfils the requirements
on a limited-energy circuit in accordance to IEC/EN/UL/CSA 61010-1 or on a
Limited Power Source (LPS) in accordance to IEC/EN/UL/CSA 60950-1 or
IEC/EN/UL/CSA 62368-1 or a Class 2 circuit in accordance to NEC or CEC.
2 Safety
2.1 Safety instructions
– Take into consideration the legal regulations for the respective destination.
– Use the product only within the defined values
è 13 Technical Dataè Tab. 12 Ambient Conditions UL/CSA.
– Observe labelling on the product.
– Observe further applicable documents.
– Store the product in a cool, dry, UV-protected and corrosion-protected envir-
onment. Ensure that storage times are kept to a minimum.
– Before working on the product: switch off the power supply and secure it
against being switched on again.
– Comply with the handling specifications for electrostatically sensitive devices.
2.2 Intended Use
The product described in this document is intended only for use in an Automation
system CPX-E.
Use the product only as follows:
– Use only in an industrial environment. Outside industrial environments,
e.g.in commercial and residential/mixed-use areas, it may be necessary to
take measures to suppress radio interference.
– Use only in combination with modules and components that are permissible
for the respective product variant èwww.festo.com/catalogue.
– Only use the product if it is in perfect technical condition.
– Only use the product in original status without unauthorised modifications.
Only the conversions or modifications described in this and the further applic-
able documents are permitted.
Additional application ranges for the module CPX-E-…-EX1E:
– Use in process automation
– Use in potentially explosive atmospheres
2.3 Training of Qualified Personnel
Installation, commissioning, maintenance and disassembly should only be con-
ducted by qualified personnel. The qualified personnel must be familiar with
installation of electrical control systems.
3 Further information
– Accessories èwww.festo.com/catalogue.
– Spare parts èwww.festo.com/spareparts.
8126694
CPX-E-…DI-...
Digital input module
8126694
2020-01a
[8126696]
Instructions| Operating
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com