Vaisala DMP248 Service Manual Page 3
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_________________________________________________________________________CONTENTS
VAISALA ___________________________________________________________________________I
Table of contents
CHAPTER 1 GENERAL INFORMATION .......................................................................................................1
S
AFETY ................................................................................................................................................................1
CHAPTER 2 PRODUCT DESCRIPTION .........................................................................................................3
G
ENERAL CHARACTERISTICS ...............................................................................................................................3
T
HE OPERATING PRINCIPLE OF THE DMP248.......................................................................................................4
Use in high pressure .......................................................................................................................................6
CHAPTER 3 INSTALLATION...........................................................................................................................7
S
ELECTING THE PLACE OF INSTALLATION ............................................................................................................7
M
OUNTING THE TRANSMITTER ............................................................................................................................7
Mounting; overview .......................................................................................................................................9
Mounting the probe directly to the process..................................................................................................10
Installing the probe through the ball valve assemply ...................................................................................11
Mounting the probe with a quick connect ....................................................................................................17
S
AMPLE CELL.....................................................................................................................................................18
Optional installation by means of the sampling system DSS10...................................................................20
Grounding ....................................................................................................................................................21
Connections..................................................................................................................................................23
Connection to an AC supply ........................................................................................................................24
CHAPTER 4 COMMISSIONING.....................................................................................................................25
S
ECURITY LOCK JUMPER ....................................................................................................................................25
S
ELECTING THE ANALOGUE OUTPUTS ................................................................................................................26
C
ONNECTING THE RS 232C SERIAL BUS ............................................................................................................28
Reverting to factory settings of the serial port .............................................................................................30
CHAPTER 5 COMMANDS...............................................................................................................................33
C
OMMANDS AND SECURITY LOCK JUMPERS.......................................................................................................33
LED
COMMANDS...............................................................................................................................................34
D
ISPLAY/KEYPAD COMMANDS...........................................................................................................................35
Display mode ...............................................................................................................................................35
Command mode ...........................................................................................................................................35
Entering numbers .........................................................................................................................................35
Auto-calibration ...........................................................................................................................................36
Forced auto-calibration.................................................................................................................................38
Analogue output commands.........................................................................................................................38
Selecting the output (mA/V)..................................................................................................................................... 38
Selecting and scaling the analogue output quantities................................................................................................39
Output via serial bus.....................................................................................................................................40
Turning the serial interface echo oON/OFF ............................................................................................................. 40
Serial bus settings.....................................................................................................................................................40
Setting the transmitter address..................................................................................................................................42
Selecting the output units.......................................................................................................................................... 42
Output modes ...............................................................................................................................................42
Setting the serial interface operation mode............................................................................................................... 43
Others...........................................................................................................................................................44
Pressure compensation.............................................................................................................................................. 44
Setting the date ......................................................................................................................................................... 45
Setting the time......................................................................................................................................................... 45
- OPERATING 1
- Table of contents 3
- GENERAL INFORMATION 7
- PRODUCT DESCRIPTION 9
- FIGURE 2-2 shows the DRYCAP 11
- FIGURE 2-1. Now the RH 11
- Use in high pressure 12
- INSTALLATION 13
- PROBE UP 14
- DOWN 14
- Mounting; overview 15
- FIGURE 3-7 17
- R1/2 ISO 7/1 20
- VALVE OPEN 21
- PRESS TOOL 21
- VALVE CLOSED 21
- Sample cell 24
- SAMPLE CELL 25
- Grounding 27
- Connections 29
- Connection to an AC supply 30
- COMMISSIONING 31
- FIGURE 4-2 32
- RXWSXWVÕ6FDOH 33
- Spare jumpers 33
- COMMANDS 39
- LED commands 40
- Display/keypad commands 41
- Auto-calibration 42
- Forced auto-calibration 44
- Analogue output commands 44
- FIGURE 4-2) 45
- Output via serial bus 46
- Output modes 48
- Pressure compensation 50
- Setting the date 51
- Setting the time 51
- Serial commands 52
- Analogue outputs 55
- Output via the serial bus 56
- Outputting the reading once 57
- Serial bus settings 58
- Selecting the output units 58
- Resetting the transmitter 59
- Setting the serial interface 59
- OPEN & CLOSE 59
- 2 which is in POLL state 60
- CALIBRATION 61
- Using serial commands 62
- Using display/keypad commands 63
- Using LED commands 63
- Temperature calibration 65
- MAINTENANCE 73
- Adjustment using LED commands 75
- TECHNICAL DATA 79
- Temperature 80
- Relative humidity 80
- Electronics 82
- Serial interface modules 82
- Electromagnetic compatibility 83
- CHAPTER 9 OPTIONS 84
- SPARE PARTS AND 85
- ACCESSORIES 85
- APPENDIX 1 SERIAL COMMANDS 87
- Auto-calibration commands 89
- Calibration commands 93
- : 0.000 94
- FTIME Adding time to output 99
- FDATE Adding date to output 100
- SERI Serial bus settings 101
- Operation modes 103
- DATE Setting the date 106
- TIME Setting the time 107
- ?? <cr> 108
- APPENDIX 2 109
- Power supply module 110
- Technical specifications 111
- APPENDIX 3 113
- Installation 114
- Operation 114
- Network configuration 116
- RX GND TX 117
- Dual loop operation 118
- STOP mode 120
- POLL mode 121
- Specifications 122
- APPENDIX 4 123
- Dual loop wiring 129
- Current loop settings 131
- APPENDIX 5 133
- Errors after reset 134
- Errors during operation 135
- APPENDIX 6 137
- APPENDIX 7 139
- APPENDIX 8 145
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