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1-4 Section 1: Introduction
February 3, 2000 70055MP Revision D
General
Relay Outputs
Two dry-contact relay outputs for alarm indication.
Front Panel
Indicators
Three LEDs:
POWER: When lit, indicates that the monitor is receiving
power.
ALARM1: When lit, indicates that a software
configurable alarm has been activated; contact relay
driven.
ALARM2: When lit, indicates that a software
configurable alarm has been activated; contact relay
driven.
Display
Front panel four line liquid crystal (LCD).
Resolution: 1 V, 1 A, 1 °C.
Communications
Standard: RS-232-C serial port; DB-9 connector.
Optional: 14.4k bps modem, installed on the back left side of
the monitor base.
Data Storage
Type: Non-volatile, solid state RAM.
Capacity: Up to 128 K, based on configuration.
Mode: Revolving loop.
Averaging Interval: Configurable from 1 to 60 minutes.
Controls
Three front panel push buttons:
Operating Conditions: Used to display present operating
conditions.
Alarm Status & Settings:
Used to display present alarm status.
Acknowledge Alarm:
Used to deactivate alarm relays.
One CPU Board mounted push button:
SETUP: Used to initiate setup procedure for tap position
calibrations.
Installation Category
III.
Maintenance
No regular maintenance is required.
Cleaning
No regular cleaning is required.
Intermittent
Operation
No specific limit; however, intermittent operation is
undesirable and should be corrected as soon as
possible.