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Reference Manual
00809-0100-4811, Rev DA
Appendix C: Rosemount 3300 Series with HART
®
to Modbus
®
Converter
January 2015
Rosemount 3300 Series with HART
®
to Modbus
®
Converter
Figure C-2. Field Wiring Connections
C.5.1 Connection terminals
The connection terminals are described in Tab le C -1 below:
Table C-1. Connection Terminals
Connector label Description Comment
HART + Positive HART connector Connect to PC with RCT software,
Field Communicator, or other HART
configurators.
HART - Negative HART connector
MA (+) Modbus RS-485 B connection (RX/TX+)
(1)
(1) The designation of the connectors do not follow the EIA-485 standard, which states that RX/TX- should be referred to as 'A' and
RX/TX+ as 'B'.
Connect to RTU
MB (-) Modbus RS-485 A connection (RX/TX-)
(1)
PWR + Positive Power input terminal
Apply +8 Vdc to +30 Vdc (max. rating)
PWR - Negative Power input terminal
RS-485 Bus
B
A
Power
Supply
HART
+
120
120
In case it is the last
transmitter on the
bus, connect the
120
termination
resistor
120
HART
-
- Rosemount 3300 Series 1
- Guided Wave Radar Level and 3
- Interface Transmitters 3
- 5Section 5: Operation 7
- BAppendix A: Reference Data 8
- 00809-0100-4811, Rev DA 10
- January 2015 10
- Contents 10
- Section 1 Introduction 11
- 1 316L SST (EN 1.4404) 12
- 2 Alloy C-276 (UNS N10276) 12
- 3 Alloy 400 (UNS N04400) 12
- H Alloy C-276 (UNS N10276) 12
- D Duplex process connection 12
- 1.2 Manual overview 14
- 1.3 Service support 15
- Section 1: Introduction 16
- Introduction 16
- 2.1 Theory of operation 17
- 2.2 Application examples 18
- Separator tanks 19
- Underground tanks 19
- 2.3 System architecture 20
- 2.4 Process characteristics 21
- 2.4.6 Interface 22
- 2.5 Vessel characteristics 23
- 2.5.2 Tank shape 24
- 2.7 Probe selection guide 25
- 2.7.1 Transition zones 26
- Section 3 Installation 27
- 3.2 Installation procedure 29
- 3.3 Before you install 30
- Alarm output 31
- Write protection 31
- 3.4 Mounting considerations 32
- Flange connection on nozzles 33
- Flexible single lead 35
- Rigid twin lead 35
- Flexible twin lead 35
- 3.4.4 Free space 36
- 12 in. (300 mm) 37
- 3.4.6 Insulated tanks 38
- 3.5 Mechanical installation 39
- 3.5.5 Shortening the probe 43
- Pipes longer than 45
- Pipes shorter than 45
- 3.5.6 Using a segmented probe 46
- Verify probe length 47
- Assemble the segmented probe 47
- Hand tighten 49
- Flange Tri-Clamp Threaded 53
- Continue with step (7) 54
- 3.5.8 Anchoring 57
- Ø 0.3 in. (8 mm) 58
- 3.6 Electrical installation 62
- 3.6.3 Cable selection 63
- 3.6.4 Hazardous areas 63
- 3.6.5 HART 63
- Connecting the transmitter 65
- Non-intrinsically safe output 66
- Intrinsically safe output 67
- 3.7 Optional devices 68
- 4.1 Safety messages 71
- 4.2 Configuration parameters 72
- Reference gauge height 73
- Probe length 73
- Probe type 73
- Dielectric constant of vapor 73
- 4.2.2 Volume configuration 74
- Strapping table 75
- Standard tank shapes 76
- 4.4 Basic configuration 79
- 4.4.2 Measurement units 80
- 4.4.3 Reference gauge height 80
- 4.4.4 Probe length 80
- 4.4.5 Probe type 80
- 4.4.6 Product dielectric 81
- 4.4.7 Vapor dielectric 81
- 4.4.8 Measurement mode 81
- 4.4.9 Probe angle 82
- 4.4.11 Damping 82
- 4.4.12 Display panel 82
- 4.4.13 4 and 20 mA points 83
- 4.5 Volume configuration 84
- 4.6.2 Specifying the COM port 85
- 4.6.3 Help in RCT 86
- 4.6.4 Using the Setup Wizard 86
- 4.6.6 Setup - Info 89
- 4.6.7 Setup - Basics 89
- 4.6.8 Setup - Output 90
- 4.6.9 Setup - Probe 91
- 4.6.10 Setup - Geometry 92
- Dielectrics 93
- 4.6.11 Setup - Volume 94
- 4.6.12 Setup - Display 95
- 4.7 Special functions 97
- To turn off the Burst Mode 99
- To set the COM port buffers 99
- Reference Manual 100
- Basic Configuration/Start-Up 100
- Section 5 Operation 101
- 5.2 Error messages 102
- 6.1 Safety messages 103
- 6.2 Advanced configuration 104
- Upper Null Zone 105
- Logging and saving to disk 106
- 6.2.4 High level rates 108
- 6.3 Service 110
- Distance calibration 111
- Level calibration 111
- Changing the Upper Null Zone 112
- Using the Field Communicator 116
- Saving the log to disk 117
- Save Setup 118
- File name 118
- To load a setup 119
- Memory Map 119
- FLANGE VERSION 120
- THREADED VERSION 120
- 6.3.8 Changing the probe 121
- 6.4 Diagnostic messages 122
- 6.4.2 Errors 123
- 6.4.3 Warnings 124
- Appendix A Reference Data 125
- A.1.2 4–20 mA HART 126
- (output option code H) 126
- A.1.3 Output 126
- ™ adapter 127
- External power supply 127
- IS electrical parameters 127
- Signal on alarm 128
- Saturation levels 128
- Load limitations 128
- A.1.4 Modbus 129
- (output option code M) 129
- Remote display 131
- Configuration tools 131
- Output units 132
- Output variables 132
- A.1.6 Temperature limits 133
- A.1.8 Interface measurements 134
- A.2 Performance specification 136
- “Dimensional drawings” 137
- Interface measuring range 139
- A.2.3 Environment 140
- 500 cP 1500 cP 8000 cP 141
- A.3 Physical specification 142
- Remote housing mounting 143
- Tank connection 143
- Flange dimensions 143
- Vented flanges 144
- Probe versions 144
- Total probe length 144
- Engineered solutions 147
- Rosemount 9901 chamber 147
- Existing chamber 148
- Centering discs 149
- A.4 Dimensional drawings 152
- Appendix A: Reference Data 153
- Reference Data 153
- Figure A-30. Bracket Mounting 159
- Figure A-31. Remote Housing 160
- A.5 Proprietary flanges 161
- A.6 Ordering information 162
- HART modem and cables 168
- B.1 Safety messages 169
- B.2 EU Conformity 170
- Factory Mutual (FM) approvals 171
- °C to + 85°C 172
- °C to + 70 °C 172
- = 250 V 173
- 00809-0100-4570, Rev AC 174
- B.3.3 EAC certifications 176
- NCC/INMETRO Approvals 177
- B.3.5 Chinese certifications 179
- B.3.6 Japanese certifications 179
- B.3.7 IECEx certifications 180
- 60 °C) IP66 181
- B.4 Other certifications 182
- B.5 Approval drawings 182
- 9150 077-944 183
- 9150077-945 184
- Product Certifications 185
- to Modbus 187
- Converter 187
- C.2 Introduction 188
- C.3 Workflow 189
- C.4 Mechanical installation 189
- C.5 Electrical installation 190
- C.5.1 Connection terminals 191
- C.5.2 RS-485 bus 192
- C.5.3 Installation cases 192
- Star topology 194
- C.7 Transmitter configuration 196
- Modbus Setup 197
- Baud Rate 9600 200
- Start Bits One 200
- Data Bits Seven 200
- Parity None 200
- Stop Bits One 200
- C.9 Alarm handling 203
- C.9.1 Verify alarm output 204
- C.10.1 Input registers 206
- Measurement units 208
- Baud rate 209
- Floating Point Format Code 209
- RTU Data Type 209
- Input Register Base Number 209
- + 8 to + 30 Vdc 211
- (max. rating) 211
- C.12 Troubleshooting 214
- Checksum 217
- C.14 Specifications 218
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