Index

A

Alarm

see Failure mode

Ambient Temperature . . . . . . . .A-4

Approvals . . . . . . . . . . . . . . . . .B-1

C

Changing Switch Positions . . . 2-16Configuration . . . . . . . . . . . . . . 3-2

244EC Interface

Ambient temperature . .A-5Humidity limits . . . . . .A-5Custom . . . . . . . . . . . . . . .A-8Process variable . . . . . . . . . 3-5Single Transmitter . . . . . . . 3-3Standard . . . . . . . . . . . . . .A-8Transmitters identically . . . 3-4Configuration Interface . . . . . . 2-11Considerations . . . . . . . . . . . . . 1-3Electrical . . . . . . . . . . . . . . 1-3Environmental . . . . . . . . . . 1-3General . . . . . . . . . . . . . . . 1-3Mechanical . . . . . . . . . . . . 1-3

D

Dimensional Drawings . . . . . . .A-9

Configuration interface . . . .A-9

Enclosure . . . . . . . . . . . . . .A-9

Transmitter . . . . . . . . . . . .A-9

E

Electrical considerations . . . . . . 1-3Electrical connections . . . . .A-5Surges and transients . . . . 3-1Enclosure Ratings . . . . . . . . . . .A-5Environmental considerations . . 1-3

F

Failure Mode . . . . . . . . . 2-16,A-2Change switch position . . . 2-16Switch . . . . . . . . . . . . . . . 2-16Failure mode . . . . . . . . . . . . . 2-12Field Wiring . . . . . . . . . . . . . . 2-12Diagrams . . . . . . . . . . . . . 2-13Sensor connections . . . . . . 2-13

G

General considerations . . . . . . . 1-3Grounding . . . . . . . . . . . . . . . . 3-2

Index

H

Humidity

244EC, limits for . . . . . . . . A-5

Transmitters . . . . . . . . . . . A-2

I

Inputs.

2-13

RTD or Ohm

Thermocouple or Millivolt

2-15

Installation

2-1

Existing threaded sensor

. . 2-4

Flowchart

2-2

Head mount transmitters . .

2-6

DIN plate style sensor . 2-5

Threaded Sensor

2-6

Mounting to a DIN rail . . .

2-4

Procedures

2-5

Configuration software

2-9

Interface

2-11

Multichannel

2-9

Transmitter

2-5

Rail clip hardware

2-4

Rail mount transmitters

. . 2-8

Integral mount sensor . 2-7

Threaded sensor

2-8

Tools

2-2

Installation Drawings

. B-4

Intermittent Sensor Algorithm

. 3-5

Advanced feature

3-8

Case Examples

3-6

Damping

3-7

Implementation

3-9

Introduction

1-1

L.

. B-2

Locations Certifications . . . .

M

 

4-1

Maintenance

Manual Overview

1-2

Manual Supplement

. . C-1

Mechanical considerations . . . .

1-3

Mounting

2-3

Special

2-4

Mounting Considerations

. . 2-4

Existing threaded sensor

Mounting to a DIN rail . . .

2-4

O

 

3-1

Operation

Ordering

Information . . . . . . . . . . . A-6

Ordering Information

Accessories . . . . . . . . . . . . A-7

Configuration Interface . . . A-7

Table . . . . . . . . . . . . . . . . A-6

P

Power Supply . . . . . . . . . .3-1,A-1

Grounding . . . . . . . . . . . . .3-2

Surges . . . . . . . . . . . . . . . .3-1

Transients . . . . . . . . . . . . .3-1

Process variable

Viewing . . . . . . . . . . . . . . .3-5

S

Sensor Connections . . . . . . . . .2-13Diagram . . . . . . . . . . . . . .2-15RTD or Ohm . . . . . . . . . . .2-13Thermocouple or Millivolt .2-15Sensor Terminals . . . . . . . . . .2-16

Software

Installation . . . . . . . . . . . .2-10Requirements . . . . . . . . . . .2-9Screen conventions . . . . . .2-11Troubleshooting . . . . . . . . .4-1

Specifications

Configuration interface . . . A-5Transmitter . . . . . . . . . . . A-1Functional . . . . . . . . . A-1Performance . . . . . . . . A-2Physical . . . . . . . . . . . A-5Stability . . . . . . . . . . . . . . . . . A-2

Surges

see Electrical considerations

T

Tagging . . . . . . . . . . . . . . . . . . A-8

Temperature

Rise vs. extension length . . .2-3Transients

see Electrical considerations Troubleshooting . . . . . . . . . . . . .4-1

Software . . . . . . . . . . . . . . .4-1

U

Using This Manual . . . . . . . . . .1-1

W

Weight . . . . . . . . . . . . . . . . . . A-5

I-1

Page 61
Image 61
Fisher 244EH, 244ER manual Index