Smart Positioner
YT-1000 / 1050 series
Product Manual
Ver. 1.04
7
2. Product Description
2.1
General
YT-1000 / 1050 series Electro-Pneumatic Positioner accurately controls valve stroke in
response to an input signal of 4~20mA from the controller.
2.2
Main Features and Functions
It is compatible with most of controllers.
Response time is very fast and accurate.
Split range 4~12mA or 12~20mA can be set by simple operating.
Low air consumption.
Simple Direct / Reverse Action change.
Simple Zero & Span adjustment.
Internal & External options, such as position transmitter (PTM) and/or limit switch (L/S)
are available. (Internal options are for non-explosion proof and External options are for
explosion proof.)
Orifices can be installed even in the field to minimize the hunting occurrence and
optimize operating conditions.
A/M switch can be used to direct supply air to the actuator or to manually operate the
positioner or valve without any signal.
It has IP66, Type 4X (FM) ingress protection grade.
Epoxy polyester powder coating resists the corrosion process. (except YT-1050).
Maintenance of the positioner is easy because of modularized inner structure.
