Rosemount 3490 Universal Control and Display Unit 

The Rosemount 3490 Series of wall and panel mounted control units provide comprehensive control functionality for any 4-20 mA or HART® compatible transmitter. A back-lit display gives clear visual indication of the measured value and status of all inputs and outputs. The 3490 provides an intrinsically safe 24V dc power supply to the transmitter. Five relays are provided and are fully field programmable to perform a wide variety of control, fault indication or alarm duties.

• Tough weatherproof wall mount enclosure for internal or external mounting

• Accepts any 4-20 mA or HART compatible input

• Five field adjustable control relays

• Bright local display of measured value

• Pre-programmed with tank shapes, flow algorithms and pump control routines to simplify configuration

3490 Series Features and Benefits :

• Tough weatherproof wall mount enclosure for internal or external mounting

• Accepts any 4-20 mA or HART compatible input

• Pre-programmed with tank shapes, flow algorithms and pump control routines to simplify configuration

• A 20 point strapping table facility is provided for non-standard applications

• Real time clock allows energy saving routines and pump efficiency calculations

• 5 voltage free SPDT relays for alarm and control duties

• 4-20 mA 12-bit isolated current output proportional to calculated value

• Supports two voltage free contact closure inputs

Specifications :

Applications :
The Rosemount 3490 Series of wall and panel mounting control units provide comprehensive control functionality for any 4-20mA or HART compatible transmitter.