10 Rockwell Automation Publication 842E-UM001C-EN-P - September 2016
Chapter 1 Safety
necessary to comply with the EtherNet/IP specifications and guidelines for 
installing an EtherNet/IP network. If any modifications are made to the 842E 
EtherNet/IP encoder, any warranty claim against Rockwell Automation is 
rendered void.
General Safety Notes and 
Protective Measures
Environmental Protection
Note the following information on disposal.
ATTENTION: Observe the following procedures to confirm the correct and 
proper use of the 842E EtherNet/IP encoder.
Qualified personnel with knowledge of electronics, precision mechanics, and 
control system programming install and maintain the encoder. It is necessary to 
comply with the related standards for the technical safety stipulations.
All persons who install, operate, or maintain the device have to meet the safety 
regulations:
• The operating instructions must always be available and must always be 
followed.
• Unqualified personnel are not allowed to be present in the vicinity of the 
system during installation.
• The system is to be installed in accordance with all applicable safety 
regulations and the mounting instructions.
• All work safety regulations of the applicable countries are to be followed 
during installation.
• Failure to follow all applicable health and safety regulations results in 
personal injury or damage to the system.
• The current and voltage sources in the encoder are designed in accordance 
with all applicable technical regulations.
Assembly Material Disposal
Packaging Cardboard Waste paper
Shaft Stainless steel Scrap metal
Flange Aluminum Scrap metal
Housing Aluminum Die-cast Scrap metal
Electronic assemblies Various Hazardous waste