Sel SEL-DTA2, Инструкция по эксплуатации

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Date Code 20020329
SEL-DTA2 Instruction Manual
Section 1
Introduction
Getting Started
This instruction manual provides descriptive information and instructions for
the SEL-DTA2 Display/Transducer Adapter. The manual is divided into
sections with the following information:
Section 1: Introduction and Specifications.
General information.
Section 2: Specifications.
Detailed technical descriptions of each feature.
Section 3: Communications.
User interface and protocol.
Section 4: Installation.
Installation and configuration.
Section 5: Maintenance and Testing.
Initial checkout and tests.
Appendix A: Firmware Versions and Relay Compatibility.
Listings of
firmware versions and compatible relays.
Overview
The SEL-DTA2 Display/Transducer Adapter offers a simple and economical
on-line interface to the SEL family of digital relays.
The features of the SEL-DTA2 include:
Two-line, 40-column, high contrast liquid crystal display
supplies relay information.
Displays new faults as they occur as a visual alert.
Maintains history of 30 short event reports.
Furnishes visual alert of relay status warnings and failures.
Displays relay status on demand.
Isolated RESET input resets fault location transducers and
contact outputs.
Output relay contact for alarm.
Output relay contact acknowledges RESET input.
Five output relay contacts identify fault type.
Eight programmable analog transducer channels proportional
to transmission line voltages, currents, power, or fault distance.
Internal power supply for reliable operation.
Automatic self-testing ensures continuous reliable operation.
EIA-232 communications.
Compact 1.75" cabinet allows simple installation in standard
19" relay rack.