ABB AV2123000 Positioner User Manual

SECTION 1 - INTRODUCTION
OVERVIEW
This section covers the following topics:
• Positioner description.
• Positioner application.
• Features of positioners.
• Instruction content.
• How to use this instruction.
• Positioner nomenclature.
• Positioner specifications.
• Position transmitter specifications.
• Agency approvals.
• Accessories.
• Mounting kits.
NOTE: Appendix B provides a quick start guide for the Type
AV positioner. It is intended for control engineers having
experience in the use and application of pneumatic positioners.
The quick start guide highlights the major points of installation
and calibration. Detailed installation and calibration
information is contained in Section 3 and Section 4 respectively.
INTENDED USER
The information in this instruction is a guide for technical personnel
responsible for installation, calibration, operation, maintenance
and repair of the positioner.
DESCRIPTION
The Type AV1 and Type AV2 positioners are control devices that
satisfy a wide range of applications. They provide fast, sensitive
and accurate positioning of pneumatic single or double acting
actuators.
The Type AV1 positioner receives an external pneumatic signal
and converts it to a pneumatic output. The Type AV2 positioner
accepts a four to 20-milliamp current that is applied to an I/P (current
to pneumatic) converter, located inside the housing, to generate
an internal signal pressure.
If a loss of signal occurs, the Type AV2 positioner goes to the
four-milliamp position. The Type AV1 positioner goes to the 3 psi
position.
OVERVIEW
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