Vaisala PTU300 Guia do Utilizador Página 134
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USER'S GUIDE____________________________________________________________________
132 _________________________________________________________________ M210796EN-E
- Select Automatic purge and turn it on or off by pressing the
ON/OFF key.
- Select Interval and press the SET key. Set the purge interval
and the unit (hour/day) by using the arrow buttons. The interval
must be set between 1 hour...10 days. Press the OK key.
- Select Start-up purge and press the ON/OFF key.
- Start manual purge by selecting Manual purge and pressing the
START key.
4. Press the EXIT key to return to the basic display.
0706-004
Figure 65 Performing Chemical Purge
Using Serial Line
PURGE
Enter the PURGE command to start chemical purge immediately.
>purge
Purge started, press any key to abort.
>
The prompt '>' appears when the heating period is over. However, the
transmitter outputs are locked to the values measured before performing
chemical purge until the settling time is over.
With PUR command you can enable or disable automatic and power-up
chemical purge and set the interval for automatic purge. If the sensor is
exposed to chemicals it is recommended to have the chemical purge done
at least once in 720 min (=12 hours). In applications where the chemical
exposure is not likely, the interval can be longer.
It is not recommended to change duration, settling, temperature or temp.
difference.
PUR
Type PUR and press ENTER
to proceed. The maximum interval is
14400 minutes (=10 days).
- 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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