Rosemount 3490 Universal Control and Display Unit

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.

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.

Models 3491 - Standard Control Unit
3492 - Differential Control Unit
3493 - Logging Control Unit
Mounting style Wall mount or Panel mount
Power options 115 / 230Vac or 24Vdc 
Current Input  4-20mA (Earth referenced in control unit) or HART digital communications (Rev. 5) 
Display Dot matrix LCD, 32 x 122 pixels, back lit 
Relays  5 SPCO (SPDT), 5A at 240V ac 
Trigger Inputs  2 voltage-free contact closures
Update rate  5 times per second 
Materials of construction (IP-rated wall mount)  Polycarbonate enclosure and cover. 
Materials of construction (panel mount)  Polyphenylene oxide enclosure and polycarbonate cover. 
Materials of construction (NEMA4X-rated wall mount) Polyester and monel fastening.
Ambient temperature -40 °C to +55 °C (-40 °F to + 131°F)
Certification CE-mark, ATEX, IECEx, CSA, or UL 

Please visit Industrial Process and Sensor for more info.

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