Reference Manual
00809-0100-4841, Rev. AA
May 2007
Rosemount 3490 Series
www.rosemount.com
Section 2 Overview
Introduction To The 3490 Series . . . . . . . . . . . . . . . . . . . . page 2-1
Control Unit Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-3
Control Unit Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-4
INTRODUCTION TO THE
3490 SERIES
The Rosemount 3490 Series is a range of control units, providing a wide
range of control functions and display of the measured variable.
Summary of Features • Full support for Rosemount 3100 Series ultrasonic transmitters.
• Intrinsically Safe power supply to transmitters.
• 4-line LCD display with back light - for text and graphics.
• 6-button keypad - for local interrogation and programming.
• Intuitive menu system.
• 4-20mA / HART input.
• Two digital inputs.
• 5 relay outputs.
• Isolated 4-20mA output.
• LED indicator for system health.
Two mounting options There are two mounting versions of the control unit available:
• Wall mounted.
• Panel mounted.
The wall mounting version has a tough rated housing for installation indoors
or outdoors, whilst the panel mounting version is for installation in a control
room panel/cabinet.
Figure 2-1. The Rosemount
3490 Series range.
There are two housing styles for the wall mounted option:
• IP-rated Wall Mount.
• NEMA4X-rated Wall Mount.
The panel mounting option has a black housing.
IP-rated Wall Mount
NEMA4X-rated Wall Mount
Panel Mount
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