Table Of Contents - Sigma 980 Operating And Maintenance Manual

Safety Precautions .................................................................................................................................................... 8
Specifications .......................................................................................................................................................... 12
Section 1 Introduction
1.1 Instrument Description ...................................................................................................................................... 17
1.2 Front Panel Features and Controls ................................................................................................................... 18
1.3 Keypad Description ........................................................................................................................................... 19
1.4 Liquid Crystal Display ....................................................................................................................................... 19
1.5 Principle Operation ........................................................................................................................................... 20
INSTALLATION
.................................................................................................................................................... 23
Section 2 Installation
......................................................................................................................................... 25
2.1 Customer-supplied Equipment.......................................................................................................................... 25
2.2 Unpacking the Instrument ................................................................................................................................. 25
2.2.1 NEMA 4X Applications ............................................................................................................................ 25
2.3 Mounting Options .............................................................................................................................................. 27
2.3.1 Wall Mounting .......................................................................................................................................... 28
2.3.2 Rail/Pole Mounting................................................................................................................................... 29
2.4 Wiring Safety Information.................................................................................................................................. 31
Electrostatic Discharge (ESD) Considerations ................................................................................................. 31
2.5 Wiring the Controller ......................................................................................................................................... 31
2.5.1 Connecting ac Power to the 980 Flow Meter .......................................................................................... 32
2.6 Wiring Optional Devices.................................................................................................................................... 34
2.7 Wiring the 4-20 mA Output............................................................................................................................... 35
2.8 Wiring the Analog Input..................................................................................................................................... 36
2.9 Wiring the Mechanical Totalizer ........................................................................................................................ 38
2.10 Wiring the Alarm Relays ................................................................................................................................. 39
2.11 Wiring the Rain Gauge.................................................................................................................................... 41
2.12 Wiring the Sampler ........................................................................................................................................ 42
2.13 Wiring the RS232 ........................................................................................................................................... 44
2.14 Wiring the Modem Interface ............................................................................................................................ 46
2.15 Wiring the pH Sensor...................................................................................................................................... 47
2.15.1 pH Junction Box to Instrument............................................................................................................... 47
2.15.2 pH Probe to Junction Box ...................................................................................................................... 49
2.16 Wiring the Downlook Ultrasonic Sensor.......................................................................................................... 49
2.17 Wiring the In-Pipe Ultrasonic Sensor .............................................................................................................. 51
2.18 Wiring the Velocity-Only Sensor...................................................................................................................... 51
2.18.1 Bare Lead Sensor Cables ..................................................................................................................... 51
2.18.2 Velocity-Only Sensor Cable Quick-Connect .......................................................................................... 52
2.19 Wiring the Submerged Area Velocity Sensor .................................................................................................. 53
2.19.1 Bare Lead Sensor Cables ..................................................................................................................... 53
2.19.1.1 Junction Box Connection Procedure ........................................................................................ 53
2.19.2 Submerged Area Velocity Sensor Cable Quick-Connect....................................................................... 55
2.19.2.1 Desiccant Cartridge .................................................................................................................. 55
970ESTOC.fm
...................................................................................................................................... 17

Table of Contents

Table of Contents
Page 3