Emerson Rosemount 644h Handbuch PDF herunterladen (Seite 61)

SECTION

C-1

C Model 644 and 244E Manual

Supplement

Old Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-2

New Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-4

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page C-6

This manual supplement is intended to indicate the primary differences between

the old and new Models 644 and 244E. These differences are as follows:

• Transmitter design

• Sensor Wiring Diagrams

• Special Mounting Considerations

• Specifications

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 67 68

Models 644H and 644R Smart 1
Temperature Transmitters 1
Model 644 Smart 3
Temperature Transmitter 3
Table of Contents 5
Appendix A: Reference Data 6
1 Introduction 7
TRANSMITTER OVERVIEW 8
MANUAL OVERVIEW 8
CONSIDERATIONS 9
Mechanical 9
Electrical 9
Environmental 9
2 Installation 11
Rosemount Inc 12
TOOLS NEEDED FOR INSTALLATION 13
MOUNTING 13
INSTALLATION PROCEDURES 14
Transmitter 14
644-0000B04A 15
Standard Extension 16
Threaded 16
Thermowell 16
Universal Head 16
Threaded Style Sensor 16
644-0000C04A 17
644-0000A04B 18
Multichannel Installations 19
LCD Meter Installation 19
FIELD WIRING 20
644-1105E01A 21
1260B02D 21
SENSOR CONNECTIONS 22
RTD or Ohm Inputs 22
FAILURE MODE 23
Changing Switch Positions 23
3 Operation 25
Surges and Transients 26
CONFIGURATION 26
Online Menu 26
Hart Fast Key Feature 26
SAFETY MESSAGE 29
DIAGNOSTIC MESSAGES 29
Hardware 29
Model 275 HART Communicator 32
LCD Meter 35
A Reference Data 37
Operating Limit Storage Limit 38
°F °C °F °C 38
Standard NAMUR-Compliant 38
Performance 39
Accuracy Example 40
Total = ±0.18 °C 40
Frequency Vibration 42
Power and Sensor Terminals 43
Code Options Add 43
DIMENSIONAL DRAWINGS 44
(OptioncodeJ5orJ6) 45
Integral DIN Style Sensor 45
Connection Head 45
Mounting 46
ORDERING INFORMATION 47
Standard 49
SAFETY MESSAGES 51
Factory Mutual (FM) Approvals 52
CENELEC/KEMA Approvals 53
Gostandart 54
INSTALLATION DRAWINGS 55
00644-1064, Rev. AB 56
Drawing 00644-1059, Rev. AC 57
C Model 644 and 244E Manual 61
Supplement 61
Transmitter Design 62
Sensor Wiring Diagrams 62
SPECIFICATIONS 66
Factory Mutual 67

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