70055MP Revision D iii February 3, 2000

Table of Contents
Section 1: Introduction
Product Overview......................................................................................................................................................1-1
Specifications........................................................................................................................................................... 1-3
Input...................................................................................................................................................................1-3
General...............................................................................................................................................................1-4
Electrical........................................................................................................................................................... 1-5
Environmental...................................................................................................................................................1-5
Physical Enclosure..........................................................................................................................................1-5
Available Options......................................................................................................................................................1-6
Typical Application..................................................................................................................................................1-7
Manual Conventions................................................................................................................................................1-9
Product Labels.......................................................................................................................................................... 1-9

Section 2: Getting Started

Receiving Inspection................................................................................................................................................2-1
Customer Support/Service.......................................................................................................................................2-1
Front Cover Layout....................................................................................................................................................2-2
Face Panel Layout.................................................................................................................................................... 2-3
Operating Conditions Button............................................................................................................................. 2-4
Alarm Status & Settings Button.........................................................................................................................2-4
Acknowledge Alarm Button................................................................................................................................2-4
LCD Display........................................................................................................................................................... 2-5
Serial Port.............................................................................................................................................................. 2-5
Circuit Board Location.............................................................................................................................................2-6
I/O Board............................................................................................................................................................... 2-7
Power Supply Board............................................................................................................................................ 2-8
CPU Board............................................................................................................................................................. 2-9
Communications..................................................................................................................................................... 2-10

Section 3: Installation

Selecting a Location................................................................................................................................................ 3-1
Mounting the Monitor..............................................................................................................................................3-2
Cable Installation......................................................................................................................................................3-3
I/O Board Configuration Jumpers.......................................................................................................................... 3-4
Channel Configuration........................................................................................................................................ 3-4
Modem Power Supply Configuration Jumper..................................................................................................3-5
Alarm Configuration Jumpers............................................................................................................................ 3-6
Ground Jumpers................................................................................................................................................... 3-6
Wiring......................................................................................................................................................................... 3-7
Overview.................................................................................................................................................................3-7
Wiring the Sensors.............................................................................................................................................3-10
Wiring a Tap Position Indicator......................................................................................................................3-11
OEM Potentiometers...................................................................................................................................... 3-11
After-Market....................................................................................................................................................3-16
Wiring the AC Voltage Inputs...........................................................................................................................3-17
Wiring the AC Current Inputs........................................................................................................................... 3-17
Wiring the Digital Inputs...................................................................................................................................3-17
Wiring the Annunciator Outputs.....................................................................................................................3-18
Wiring the Internal Heater................................................................................................................................ 3-19
Wiring Power.......................................................................................................................................................3-19