ProSoft Technology ProSoft 1560 Uživatelský manuál stáhnout pdf (Strana 105)

MVI56-HART ♦ ControlLogix Platform Reference

HART Multi-drop Master Communication Module User Manual

ProSoft Technology, Inc. Page 105 of 171

October 13, 2011

5 For multi-drop applications, the 1K resistor should be normally used when one

transmitter is connected to the port. If you increase the number of devices connected

to a single port, you may need to reduce the size of the resistor.

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 170 171

MVI56-HART 1
Your Feedback Please 2
How to Contact Us 2
ProSoft Technology 2
Product Documentation 2
Warnings 3
Battery Life Advisory 4
Markings 4
Contents 7
1 Start Here 13
1.1 System Requirements 14
1.2 Package Contents 15
1.4 Setting Jumpers 17
OMMUNICATIONS 21
ROPERTIES 23
ONFIGURE 24
ONFIGURATION 30
2.1.2 Renaming PCB Objects 32
2.2.1 [MODULE] 34
2.2.2 [HART PORT x] 35
Retry Count 36
DB Address Status 36
Slave List Status 36
Command Count 36
Auto-Poll Code 36
Auto-Poll DB Address 37
Auto-Poll Swap Float 37
Max Device Count 37
Command List Overview 38
HART Universal Commands Set 39
HART Command Entry Formats 41
Float DB Address 42
Poll Interval 42
FP Word Count 42
Swap Code 42
Short Address 42
2.3 Hart Command Examples 45
3 Ladder Logic 51
3.1.1 Controller Tags 52
Status Object (HARTStat) 53
Parameter Value 57
IAGNOSTICS 63
Navigation 64
4.1.2 Main Menu 65
4.1.3 HART Master Menu 67
HART Error Descriptions 69
Returning to the Main Menu 69
4.1.4 Data Analyzer 70
4.1.5 Data Analyzer Tips 73
4.2 LED Status Indicators 76
4.2.2 Troubleshooting 77
5 Reference 79
5.1 Product Specifications 80
5.2 Functional Overview 83
5.2.1 General Concepts 83
5.2.3 Normal Data Transfer 85
Description Length 86
5.2.5 HART Channels 89
5.2.6 Master Driver 90
Burst Mode 91
Auto-Polling 91
Type Description Byte 92
Point-to-Point Mode 94
Point-to-Point mode 94
Multi-drop Mode 95
5.7.1 Notes 104
Content Description 111
Description 115
5.8.3 Protocol Error Codes 116
5.9 HART Universal Commands 118
Integer Data Returned 119
Description 119
Write Parameters 119
Floating Point Data Returned 119
COMMAND 12 - Read Message 123
COMMAND 17 - Write Message 128
COMMAND 39 - EEPROM Control 137
COMMAND 43 - Set PV Zero 141
COMMAND 44 - Write PV Units 142
COMMAND 45 - Trim DAC Zero 143
COMMAND 46 - Trim DAC Gain 144
Write Parameters: 151
In This Chapter 161
Contacting Technical Support 161
6.1.1 Returning Any Product 163
6.2 LIMITED WARRANTY 165
6.2.8 No Other Warranties 168
6.2.9 Allocation of Risks 168

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