Spectrum-controls 1769sc-HART Modules Manual do Utilizador descarregar pdf (Página 140)

Compact IO™ Isolated HART Analog Output Module

User’s Manual 0300217-03 Rev. A

8-30

8.2.5 DEST_CHECKSUM Routine

This routine calculates the checksum for a message received from the module one page at

a time. This routine is called from the MSG_TO_MOD routine.

Figure 8-9a (Destination Checksum)

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 175 176

Compact™ I/O 1
Isolated HART 1
Analog Module 1
Table of Contents 3
Preface 7
Conventions 8
Used in This 8
Chapter 1 9
Module Overview 9
Section 1.3 10
Hardware 10
Features 10
Section 1.4 11
System 11
1.4.1 System Operation 11
Section 1.5 12
Module 12
Operation 12
Chapter 2 13
Quick Start for Experienced 13
Chapter 3 19
Installation and Wiring 19
3.3.3 Remove Power 21
3.3.4 Selecting a Location 21
3.5.2 Panel Mounting 24
3.7.2 Terminal Door Label 26
3.7.5 Wiring the Module 27
1.1.6 Wiring Diagram 28
3.7.7 Calibration 28
Chapter 4 29
Configuring the OF4IH for 29
CompactLogix Using 29
RSLogix 5000 29
Section 4.4 36
Project Tags 36
Project 37
Figure 4-11 (Output Tags) 39
Section 4.5 40
Sample Project 40
Chapter 5 43
Configuring the OF4IH for a 43
MicroLogix 1500 Using 43
RSLogix 500 43
Section 5.3 48
Using the 48
Ladder Sample 48
Chapter 6 53
Module Data, Status, and 53
Channel Configuration 53
Configuration 56
6.3.12 Channel X 57
6.3.13 Channel X 59
6.3.20 Pad (Word 32) 62
Chapter 7 67
Enabling and Using HART on 67
Table 7-1 (HART Packet 0) 71
Table 7-2 (HART Packet 1) 72
Figure 7-4 (Packet Ladder) 75
7.2.3 Packet Interval 76
Section 7.3 77
Sending 77
Messages 77
7.3.3 Processing a Message 79
Figure 7-6 Sending Message 80
Figure 7-7 Receiving Message 81
Figure 7-8a (Message Ladder) 82
Figure 7-9b 83
Figure 7-9c 84
Figure 7-9d 85
Figure 7-9e 86
Figure 7-9f 87
Figure 7-9g 88
Figure 7-9h 89
Figure 7-9i 90
Figure 7-9j 91
Figure 7-9k 92
Figure 7-9l 93
Figure 7-11b 102
Figure 7-11c 103
Figure 7-11d 104
Figure 7-11e 105
Section 7.5 107
HART Protocol 107
Overview 107
7.5.1 Message Format 107
Attention 113
Figure 8-7b 115
8.2.1 MAIN Routine 117
8.2.2 PACKETS Routine 118
Figure 8-6b 119
Figure 8-6c 120
8.2.3 MSG_TO_MOD Routine 121
Figure 8-7c 123
Figure 8-7d 124
Figure 8-7e 125
Figure 8-7f 126
Figure 8-7g 127
Figure 8-7h 128
Figure 8-7i 129
Figure 8-7j 130
Figure 8-7k 131
Figure 8-7l 132
Figure 8-7m 133
Figure 8-7n 134
Figure 8-7o 135
Figure 8-7p 136
Figure 8-7q 137
8.2.4 SRC_CHECK Routine 138
Figure 8-8b 139
8.2.5 DEST_CHECKSUM Routine 140
Figure 8-9b 141
8.2.6 HART_MSG Routine 142
Figure 8-10b 143
Figure 8-10c 144
Figure 8-10d 145
Figure 8-10e 146
Figure 8-10f 147
Figure 8-10g 148
Figure 8-10h 149
Figure 8-10i 150
Figure 8-10j 151
Figure 8-10k 152
8.2.7 WORD_BYTE Routine 153
Figure 8-11b 154
Figure 8-11c 155
8.2.8 HART_CHECK Routine 156
Figure 8-12b 157
8.2.9 BYTE_WORD Routine 158
Chapter 9 161
Diagnostics and 161
Troubleshooting 161
1514131211109876543210 163
0000000000000000 163
Section 9.7 165
Error Codes 165
Section 9.8 165
Inhibit Function 165
Appendix A 167
Module Specifications 167
0C < Ta < 60C 168
DEMKO 11 ATEX 1103437X 168
IIC T4 Gc 168
Appendix B 169
HART Universal and Common 169
Practice Commands 169
Getting Technical 175
Assistance 175
Declaration of 175
Conformity 175

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