Prosoft-technology MVI69-HART Manual do Utilizador descarregar pdf (Página 139)

MVI69-HART ♦ CompactLogix Platform Reference

HART Multi-drop Master Communication Module User Manual

ProSoft Technology, Inc. Page 139 of 169

March 29, 2012

COMMAND 44 - Write PV Units

Description

This command changes the setting of the Primary Variable units.

Write Parameters

Word High Byte Low Byte

0 Primary Variable Units Code Primary Variable Units Code

Floating Point Data Returned

NONE

Integer Data Returned

Word High Byte Low Byte

0 STATUS WORD

1 Primary Variable Units Code 0

1 2 ... 134 135 136 137 138 139 140 141 142 143 144 ... 168 169

MVI69-HART 1
Your Feedback Please 2
How to Contact Us 2
ProSoft Technology 2
Product Documentation 2
Warnings 3
Battery Life Advisory 3
Markings 4
Contents 5
1 Start Here 11
1.1 System Requirements 12
1.2 Package Contents 13
1.4 Setting Jumpers 15
1.5 Installing the Module 16
OMMUNICATIONS 21
ONFIGURE 21
2 Module Configuration 25
2.1.2 Renaming PCB Objects 28
2.2.1 [MODULE] 29
2.2.2 [HART PORT x] 30
2.3 Hart Command Examples 42
To download the project file 46
3 Ladder Logic 47
3.1.1 Controller Tags 48
4.1 LED Status Indicators 60
4.1.2 Troubleshooting 62
IAGNOSTICS 65
4.2.2 Main Menu 67
4.2.3 HART Master Menu 69
4.2.4 Database View Menu 72
4.2.5 Data Analyzer 74
4.2.6 Data Analyzer Tips 76
RANSFER 77
5 Reference 81
5.1 Product Specifications 82
5.2 Functional Overview 85
5.2.1 General Concepts 85
5.2.3 Normal Data Transfer 87
Read Register Start: 0 88
Read Register Count: 480 88
Write Register Start: 480 88
Write Register Count: 480 88
Offset Description Length 91
0 Write Block ID 1 91
1 to n Write Data n 91
5.2.5 HART Channels 94
N (None) N Y 95
M (Multi-drop) Y Y 95
P (Point-to-Point) Y Y 95
5.2.6 Master Driver Mode 96
5.6 Status Data Definition 109
5.6.1 Protocol Error Codes 113
5.7 HART Universal Commands 115
COMMAND 12 - Read Message 120
Word High Byte Low Byte 124
0 STATUS WORD 124
COMMAND 17 - Write Message 125
COMMAND 39 - EEPROM Control 134
COMMAND 43 - Set PV Zero 138
COMMAND 44 - Write PV Units 139
COMMAND 45 - Trim DAC Zero 140
COMMAND 46 - Trim DAC Gain 141
5.10.1 Notes 159
In This Chapter 165
Contacting Technical Support 165
6.1 Warranty Information 166

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