Before You Start - GE D.20 RIO Hardware User Manual

D.20 RIO Distributed I/O Controller
Chapter 1: Before You Start
Safety precautions
D.20 RIO - HARDWARE USER'S MANUAL

Before You Start

Before you begin installing and using the D.20 RIO, review the information in this chapter,
including the following topics:
• Safety precautions
• Product overview
• Order codes
• Product specifications
• Storage recommendations
Read and thoroughly understand this guide before installing and operating the unit. Save
these instructions for later use and reference.
Failure to observe the instructions in this manual may result in serious injury or death.
Follow all safety precautions and instructions in this manual.
Only qualified personnel should work on the D.20 RIO. Maintenance personnel should be
familiar with the technology and the hazards associated with electrical equipment.
• Never work alone.
• Before performing visual inspections, tests, or maintenance on this equipment, isolate
or disconnect all hazardous live circuits and sources of electric power. Assume that all
circuits are live until they have been completely de-energized, tested, and tagged. Pay
particular attention to the design of the power system. Consider all sources of power,
including the possibility of back feed.
• Turn off all power supplying the equipment in which the D.20 RIO is to be installed
before installing and wiring the D.20 RIO.
• Operate only from the power source specified on the installed power supply module.
• Beware of potential hazards and wear personal protective equipment.
• The successful operation of this equipment depends upon proper handling,
installation, and operation. Neglecting fundamental installation requirements may
lead to personal injury as well as damage to electrical equipment or other property.
GE Information 13