Vaisala DRYCAP DMT345 Betriebsanweisung Seite 57
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Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 57
1102-027
Figure 35 2-Wire RS-485 Bus
Table 8 2-Wire (Switch 3: Off)
RS-485 master
Data
DMT345/346
D1+
↔
D1+
D0-
↔
D0-
8. When operating in communication mode RS-422, set both switches
3 and 4 to ON position (4-wire wiring is required for RS-422
mode).
9. Connect the power and close the cover.
Termination
Termination
Junction
box
Junction
box
Junction
box
120R
D0-
D1+
Common
Switch
Term off
Term off
2/4 wire off
RS422 off
Stub
Stub
Stub
RS485-1
RS485-1
RS485 bus master
Twisted pair Common line
Address NN
Address MM
Common
D0-
D1+
Switch
Term off
Term off
2/4 wire off
RS422 off
Common
D0-
D1+
120R
Twisted pair Common line
- USER'S GUIDE 1
- Table of Contents 3
- CHAPTER 4 4
- CHAPTER 6 7
- CHAPTER 7 7
- CHAPTER 8 7
- APPENDIX C 8
- List of Figures 9
- List of Tables 11
- GENERAL INFORMATION 13
- Version Information 14
- Related Manuals 14
- Documentation Conventions 14
- ESD Protection 15
- Recycling 16
- Regulatory Compliances 16
- Patent Notice 17
- Trademarks 17
- Software License 18
- Warranty 18
- PRODUCT OVERVIEW 19
- Basic Features and Options 21
- Operating Principle 21
- Structure of the Transmitter 22
- 0604-006 23
- Probes and Cooling Set 24
- INSTALLATION 25
- 133 (5.24) 26
- 59 (2.32) 26
- Thickness 26
- 9.5 (0.37) 26
- 0604-011 27
- 0604-012 28
- 0604-013 29
- Pole or Pipeline 30
- Panel Mounting Frame 31
- 0704-002 32
- 0804-083 32
- DMT345 Probe Mounting 33
- 0604-020 34
- Parts of the Cooling Set 36
- Instructions 37
- 0604-024 38
- 0604-025 38
- Running 39
- Cable Bushings 40
- Cable Grounding 41
- WARNING 42
- CAUTION 44
- Optional Modules 45
- Installation 46
- Warnings 47
- Third Analog Output 50
- Installation and Wiring 51
- Alarm Relays 52
- RS-422/485 Interface 53
- 1102-028 56
- 1102-027 57
- LAN Interface 58
- WLAN Interface 59
- 0706-068 61
- 8-Pin Connector 62
- OPERATION 63
- Graphic History 65
- 0706-030 66
- Menus and Navigation 67
- Changing the Language 68
- Rounding Setting 68
- Display Backlight Setting 68
- Display Contrast Setting 69
- Keypad Lock (Keyguard) 69
- Factory Settings 70
- Display Alarms 71
- Configuring a Display Alarm 72
- Table 13 ALSEL Parameters 74
- Serial Line Communication 76
- User Port Connection 77
- Service Port Connection 78
- Using the Service Port 79
- LAN Communication 80
- Wireless LAN Configuration 83
- Communication Protocol 86
- Terminal Program Settings 87
- 0810-070 88
- 0810-071 89
- List of Serial Commands 90
- Table 26 Other Commands 92
- Outputting Reading Once 94
- FTIME and FDATE 96
- General Settings 97
- Example: 99
- Using Display/Keypad 101
- Using Buttons on Motherboard 101
- Using Serial Line 102
- Date and Time 103
- Data Filtering 104
- >filt ext 105
- Filter : EXT 105
- Device Information 106
- Resetting the Device 109
- Serial Output Settings 110
- Data Recording 114
- View Recorded Data 115
- Deleting Recorded Files 117
- Analog Output Settings 118
- Analog Output Quantities 119
- AMODE/ASEL 120
- Analog Output Tests 121
- Operation of Relays 123
- 1102-007 124
- Hysteresis 125
- 1102-040 126
- Enabling/Disabling Relays 127
- Indication Led Operation 127
- Setting Relay Outputs 127
- 0706-029 128
- Testing Operation of Relays 130
- Sensor Functions 131
- Sensor Purge 132
- 1103-067 133
- 1103-066 133
- Sensor Warming 135
- CHAPTER 5 137
- Taking Modbus into Use 138
- Enabling Serial Modbus 139
- Enabling Ethernet Modbus 140
- 1101-034 141
- 1101-036 141
- Diagnostic Modbus Counters 143
- Disabling Modbus 144
- MAINTENANCE 145
- Error States 146
- Table 33 Error Messages 147
- Technical Support 148
- Product Returns 148
- CALIBRATION AND ADJUSTMENT 149
- Adjustment Information 151
- Display/Keypad 155
- Serial Line 156
- Adjusting Temperature 157
- Adjusting Analog Outputs 159
- TECHNICAL DATA 161
- 0604-022 163
- Modules 166
- RS-485 Module 167
- LAN Interface Module 167
- WLAN Interface Module 167
- Data Logger Module 167
- Spare Parts and Accessories 168
- Dimensions (mm/inch) 169
- 92 (3.62) 170
- 116 (4.57) 170
- 183 (7.20) 170
- APPENDIX A 171
- APPENDIX B 173
- ⋅= 68.216 174
- MODBUS REFERENCE 177
- Register Map 178
- 16-Bit Integer Format 179
- Measurement Data (Read-Only) 180
- Status Registers (Read-Only) 181
- Configuration Registers 181
- Exception Status Outputs 182
- Diagnostic Sub-Functions 183
- Exception Responses 184
- *M210762EN* 185
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