ABB TZIDC Digital Positioner ABB valve positioner

ABB TZIDC Digital Positioner DESCRIPTION

The TZIDC is an electronically configurable positioner with communication capabilities designed for mounting to pneumatic rotary actuators.

It features a small and compact design, a modular construction, and an exnt cost-performance ratio.

Fully automatic determination of the control parameters and adaptation to the final control siderable time savings and an optimal control behavior.

Features

"Fail-freeze" function

If the electrical power supply should fail, the positioner output 1 (and 2, if applicable) is closed and the pneumatic actuator stops ("freezes") the valve in the current position. If compressed air supply should fail, the positioner depressurizes the actuator.

"Fail-safe" function

If the electrical power supply fails, the positioner output 1 is depressurized, and the pneumatic actuator’s return spring moves the valve to the defined safe position. In case of a double-acting actuator the second output 2 is additionally pressurized.

ABB MEASUREMENT & ANALYTICS | DATA SHEET TZIDC

Digital Positioner

Change from one to two columns

The TZIDC is an electronically configurable positioner with communication capabilities designed for mounting to pneumatic rotary actuators. It features a small and compact design, a modular construction, and an exnt cost-performance ratio.

Fully automatic determination of the control parameters and adaptation to the final control siderable time savings and an optimal control behavior.

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