Sel SEL-DTA2, Инструкция по эксплуатации

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Date Code 20020329
SEL-DTA2 Instruction Manual
Section 5
Maintenance and Testing
Introduction
This section provides procedures for initial checkout, calibration, and
troubleshooting of the SEL-DTA2.
Initial Checkout
The initial checkout of the SEL-DTA2 should familiarize you with the
instrument and ensure that all functions are operational.
Equipment Required
The following equipment is necessary for initial checkout of the SEL-DTA2:
Personal computer with EIA-232 serial communications
interface.
Cable configured for interconnection of SEL-DTA2 and
terminal.
Cable configured for interconnection of SEL-DTA2 and SEL
relay.
Meter capable of measuring currents in the range –5 to 5 mA,
and voltages in the range –5 to 5 V.
An SEL digital relay.
Source of three-phase voltages and at least two currents.
Front and Rear Panels
Refer to Figure 5.1 for front-panel controls and displays and rear-panel
connections used in the procedures in this section. Table 2.2 on page 2.8 in
Section 2: Specifications shows terminal numbering.
Figure 5.1 SEL-DTA2 Front and Rear Panels