Manufacturer:
SAMSON AG
Product Name:
373X-3
Product Description:
Electropneumatic Positioner
Profile:
HART EDD Only
More Information:
Single-acting or double-acting positioner for attachment to pneumatic control valves. Self-calibrating, automatic adaptation to valve and actuator.
Special feautures:
– Version for hazardous areas with type of protection "Intrinsic safety" (Type 3730-3) or with "Flameproof enclosure" (Type 3731-3)
– Simple attachment to all common linear and rotary actuators
– Simple single-knob, menu-driven operation
– LCD easy to read in any mounting position thanks to selectable reading direction
– Configurable with a computer over the SSP interface
– Variable, automatic start-up with four different initialization modes
– Preset parameters - only values deviating from the standard need to be adjusted
– Travel sensor without gears susceptible to wear
– Sub (substitution) initialization mode allows the positioner to be started up in case of emergency whilst the plant is running without having to change the valve position.
– All parameters saved in non-volatile EEPROM
– Adjustable output pressure limitation
– Adjustable tight-closing function
– Continuous zero point monitoring
– Integrated temperature sensor and operating hours counter
– Self-diagnostics; alarms as condensed state conforming to NAMUR Recommendation NE 107
– Integrated diagnostics for control valves