Available either for wall or panel mounting, Rosemount's 3490 series control units are designed for use with any 4-20mA or HART protocol level or flow transmitter. Easy to understand menus and a 'programming wizard' function make programming easy while password protection protect from accidental or unauthorised changes.
Features & Benefits
Tough weatherproof wall mount enclosure for internal and external mounting Accepts 4–20 mA or HART inputs. Compatible with HART 5, 6, and 7 Transmitters Five voltage-free SPDT relays for alarm and control duties Supports two voltage-free contact closure inputs 4–20 mA 12-bit isolated current output proportional to calculated value Bright local display of measured value and input/output status Pre-programmed tank shapes, flow algorithms, and control routines simplify configuration. A 20-point strapping table facility is provided for non-standard applications Real-time clock for energy saving routines, pump efficiency calculations, and date/time stamping of data logging