Vaisala PTU300 Guia do Utilizador descarregar pdf (Página 57)

Chapter 3 _______________________________________________________________ Installation

VAISALA _______________________________________________________________________ 55

Figure 33 4-Wire RS-485 Bus

Table 10 4-Wire (Switch 3:On)

RS-485 master Data PTU300

TxA → RxA

TxB → RxB

RxA ← TxA

RxB ← TxB

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USER'S GUIDE 1
Table of Contents 3
CHAPTER 4 4
CHAPTER 5 7
CHAPTER 6 7
CHAPTER 7 8
APPENDIX A 8
APPENDIX B 9
List of Figures 10
List of Tables 12
GENERAL INFORMATION 13
Feedback 14
ESD Protection 15
Recycling 15
Regulatory Compliances 16
Patent Notice 18
Trademarks 18
License Agreement 18
Warranty 18
PRODUCT OVERVIEW 19
Pressure Measurement 20
Structure of the Transmitter 22
0604-060 23
0911-067 25
INSTALLATION 27
0503-004 28
0804-065 28
0503-002 30
0503-041 32
0509-151 32
0704-002 34
0804-083 34
Grounding the Cables 36
Alternate Wiring Systems 37
WARNING 38
8-Pin Connector 39
D-9 Connector 40
CAUTION 41
Probe Mounting 42
0507-024 43
0507-022 43
Temperature Probe (Optional) 45
Optional Modules 46
Installation 47
Warnings 48
Third Analog Output 51
Installation and Wiring 52
RS-422/485 Interface 55
Figure 33 4-Wire RS-485 Bus 57
LAN Interface 58
WLAN Interface 59
Data Logger Module 60
0706-068 62
Reading 64
0604-055 65
Graphic History 67
Information Display 68
Menus and Navigation 69
Changing the Language 70
Rounding Setting 71
Display Backlight Setting 71
Display Contrast Setting 71
Keypad Lock (Keyguard) 71
Menu PIN Lock 72
Factory Settings 72
Display Alarms 73
0802-069 74
0802-070 74
User Port Connection 76
Service Port Connection 77
Using the Service Port 78
LAN Communication 79
Wireless LAN Configuration 83
Telnet Settings 85
0802-114 86
0810-071 88
Serial Line 91
Outputting Reading Once 92
General Settings 94
Date and Time 97
N_#r #n 99
GPS Commands 100
Using Display/Keypad 101
Using Serial Line 102
User Port Serial Settings 104
Pressure Average Calculation 107
Device Information 108
Data Recording 111
View Recorded Data 112
Analog Output Settings 115
0503-045 116
AMODE/ASEL 118
Analog Output Tests 119
Operation of Relays 121
Hysteresis 122
0610-077 123
Testing Operation Of Relays 126
Networking Commands 128
Sensor Functions 131
Manual Chemical Purge 132
Chemical Purge in Power Up 133
Using Buttons On Motherboard 133
Setting Sensor Heating 135
Display/Keypad 136
MAINTENANCE 137
Changing the Sensor 138
Error States 139
Table 33 Error Messages 140
Technical Support 141
Return Instructions 141
Vaisala Service Centers 142
CALIBRATION AND ADJUSTMENT 143
0508-013 144
Relative Humidity Adjustment 148
Temperature Adjustment 152
TECHNICAL DATA 157
Relative Humidity 158
Optional Temperature Probe 159
Calculated Variables 160
1013 mbar) 161
Probe Option) 162
Inputs and Outputs 163
Mechanics 163
Modules 164
Relay Module 165
RS-485 Module 165
LAN Interface Module 165
WLAN Interface Module 165
Options and Accessories 166
Dimensions (mm/inch) 168
0804-033 169
12 (0.47) 170
120 (4.72) 170
Temperature Probe 171
PROBE INSTALLATION KITS AND 173
INSTALLATION EXAMPLES 173
PTU307) 174
0508-016 176
0508-018 178
0508-015 178
0601-044 180
99.621  182

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Vaisala PTU300 Guia do Utilizador Página 57

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