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Compact IO™ Isolated HART Analog Input Module
User's Manual 0300215-03 Rev. A
7-8
Table 7-5 (HART Packet 4)
Tag Name
Data Type
Style
Description
If4ih0Packet4 Packet4[4,1] NA Two dimensional array containing packet
4 data for all 4 channels.
If4ih0Packet4[X,0].HartChannelID INT BIN
Bits 0 to 3: Channel number (0 – 3).
Bit 4: Searching/Initializing HART device
Bit 5: HART communication failure or
device not found
Bit 6: Pass-through message pending (ready)
Bit 7: Unused (0)
Bits 8 to 10: Packet ID
Bit 11 through 15: Unused
If4ih0Packet4[X,0].Date SINT[3] DEC
Stored date in the field device
If4ih0Packet4[X,0].FinalAssemblyNumber SINT[3] DEC The final assembly number is used for
identifying the materials and electronics that
comprise the field device.
If4ih0Packet4[X,0].ExtendedStatus SINT[24] DEC The extended status returned by HART
command 48
If4ih0Packet4[X,0].Pad SINT[3] DEC
Pad 32 bit alignment
1
X represent s the mo dule channel number (0 t o 3)
Note: Not all of the HART data that is returned by the process outlined in Figure 7-3
(Auto Acquisition Flow) gets passed to the packets. In order to access the data that is
not passed to the packets, you must execute the appropriate HART message using the
pass-through command, which will be discussed later in this chapter.
The ladder determines which packet to copy the data to by monitoring the state of bits 0,
1, 2 and 8, 9, 10, found in the first two bytes of the Local:X:I.HartData tag. Bits 0, 1, 2
determine the current channel being scanned and bits 8, 9, and 10 determine the packet
number. The ladder example, shown in Figure 7-4, performs this operation.
- 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
- Do No t Remov e RTB Un der 10
- Power Unless Area is Non 10
- Hazardous 10
- Section 1.5 11
- System 11
- Overview 11
- 1.5.1 System Operation 11
- Section 1.6 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
- Section 3.4 22
- System Assembly 22
- Section 3.5 23
- Mounting 23
- 3.5.1 Minimum Spacing 23
- 3.5.2 Panel Mounting 23
- 3.5.3 DIN Rail Mounting 24
- 3.7.2 Terminal Door Label 26
- 3.7.5 Wiring the Module 27
- 3.7.6 Wiring Diagram 28
- 3.7.7 Calibration 28
- Chapter 4 29
- Configuring the IF4IH for 29
- CompactLogix Using 29
- RSLogix 5000 29
- Section 4.2 33
- The Add-On 33
- Profile 33
- Section 4.4 36
- Project Tags 36
- Project 38
- Chapter 5 41
- Configuring the IF4IH for a 41
- MicroLogix 1500 Using 41
- RSLogix 500 41
- Section 5.2 42
- Configuring 42
- 1500 System 42
- Section 5.3 46
- Using the 46
- Ladder Sample 46
- Chapter 6 51
- Module Data, Status, and 51
- Channel Configuration 51
- Section 6.4 55
- Configuration 55
- Raw/Proportional Data 62
- Engineering Units 62
- Scaled-for-PID 62
- Percent Range 62
- 6.4.9 Channel X 64
- 6.4.10 Channel X 64
- 6.5.8 Reserved (Words 24…45) 66
- Section 6.6 67
- Determining 67
- Effective 67
- Resolution 67
- Section 6.7 68
- Update Time 68
- Chapter 7 69
- Enabling and Using HART on 69
- Table 7-1 (HART Packet 0) 73
- Table 7-2 (HART Packet 1) 74
- Figure 7-4 (Packet Ladder) 77
- 7.2.3 Packet Interval 78
- Section 7.3 79
- Sending 79
- Messages 79
- 7.3.3 Processing a Message 81
- Figure 7-6 Sending Message 82
- Figure 7-8a (Message Ladder) 84
- Figure 7-8b 85
- Figure 7-8c 86
- Figure 7-8d 87
- Figure 7-8e 88
- Figure 7-8f 89
- Figure 7-8g 90
- Figure 7-8h 91
- Figure 7-8i 92
- Figure 7-8j 93
- Figure 7-8m 95
- Figure 7-8n 96
- Figure 7-8o 97
- Section 7.4 98
- Module Specific 98
- Commands 98
- Attention 103
- Figure 7-10b 107
- Figure 7-10c 108
- Figure 7-10d 109
- Figure 7-10e 110
- Section 7.5 111
- HART Protocol 111
- 7.5.1 Message Format 111
- Chapter 8 117
- Programming Examples 117
- Figure 8-4b 121
- 8.2.1 MAIN Routine 123
- 8.2.2 PACKETS Routine 124
- Figure 8-6b 125
- Figure 8-6c 126
- 8.2.3 MSG_TO_MOD Routine 127
- Figure 8-7b 128
- Figure 8-7c 129
- Figure 8-7d 130
- Figure 8-7e 131
- Figure 8-7f 132
- Figure 8-7g 133
- Figure 8-7h 134
- Figure 8-7i 135
- Figure 8-7j 136
- Figure 8-7k 137
- Figure 8-7l 138
- Figure 8-7m 139
- Figure 8-7n 140
- Figure 8-7o 141
- Figure 8-7p 142
- Figure 8-7q 143
- 8.2.4 SRC_CHECK Routine 144
- Figure 8-8b 145
- 8.2.5 DEST_CHECKSUM Routine 146
- Figure 8-9b 147
- 8.2.6 HART_MSG Routine 148
- Figure 8-10b 149
- Figure 8-10c 150
- Figure 8-10d 151
- Figure 8-10e 152
- Figure 8-10f 153
- Figure 8-10g 154
- Figure 8-10h 155
- Figure 8-10i 156
- Figure 8-10j 157
- Figure 8-10k 158
- 8.2.7 WORD_BYTE Routine 159
- Figure 8-11b 160
- Figure 8-11c 161
- 8.2.8 HART_CHECK Routine 162
- Figure 8-12b 163
- 8.2.9 BYTE_WORD Routine 164
- Figure 8-13b 165
- Chapter 9 167
- Diagnostics and 167
- Troubleshooting 167
- 1514131211109876543210 169
- 0000000000000000 169
- Value Bits 11 170
- Description 170
- Section 9.8 171
- Inhibit Function 171
- Appendix A 173
- Module Specifications 173
- Section A.2 174
- Environmental 174
- Specifications 174
- Appendix B 177
- HART Universal and Common 177
- Practice Commands 177
- Wire Size · 3-9 183
- Wiring Diagram · 3-10 183
- Wiring Guidlines · 2-3 183
- Getting Technical 185
- Assistance 185
- Declaration of 185
- Conformity 185
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