Rockwell Automation Publication 1794-UM061B-EN-P - March 2020 7
Preface
Purpose of This Manual
This manual provides information on installation, setting, and reading your
diagnostics on the 1794-IB16D and the 1794-OB16D Diagnostic modules.
Important Warnings and
Cautions
Obey the following warnings and cautions when installing or using these
modules.
For information on See Chapter
1794 Diagnostic Modules 1
Specific Diagnostic Module 2 or 3
Using Diagnostic Modules in a Remote I/O System 4
Using Diagnostic Modules in a DeviceNet System 5
Using Diagnostic Modules in a ControlNet System 6
Using Diagnostic Modules in an EtherNet/IP System 7
Using the Indicators for Troubleshooting Appendix A
Simplified Schematics for all 1794 Digital Modules Appendix B
ATTENTION: Environment and Enclosure
This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in IEC
publication 60664-1), at altitudes up to 2000 meters without derating.
This equipment is considered Group 1, Class A industrial equipment
according to IEC/CISPR Publication 11. Without appropriate precautions,
there may be potential difficulties ensuring electromagnetic compatibility in
other environments due to conducted as well as radiated disturbance.
This equipment is supplied as open-type equipment. It must be mounted
within an enclosure that is suitably designed for those specific
environmental conditions that will be present and appropriately designed to
prevent personal injury resulting from accessibility to live parts. The interior
of the enclosure must be accessible only by the use of a tool. Subsequent
sections of this publication may contain additional information regarding
specific enclosure type ratings that are required to comply with certain
product safety certifications.
See NEMA Standards publication 250 and IEC publication 60529, as
applicable, for explanations of the degrees of protection provided by
different types of enclosure. Also, see the appropriate sections in this
publication, as well as Industrial Automation Wiring and Grounding
Guidelines, Allen-Bradley publication 1770-4.1, for additional installation
requirements pertaining to this equipment.
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