Vaisala DMP248 Manuale di Servizio Pagina 123
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APPENDIX 4 ________________________________________________________________________
VAISALA ________________________________________________________________________ 117
APPENDIX 4
INSTALLING AND USING THE RS 485/422 SERIAL PORT MODULE
INSTALLATION.................................................................................................................................... 118
O
PERATION ....................................................................................................................................... 118
N
ETWORK CONFIGURATION ................................................................................................................ 120
Single loop operation .................................................................................................................. 120
Single loop wiring........................................................................................................................ 121
Dual loop operation..................................................................................................................... 122
Dual loop wiring........................................................................................................................... 123
C
HECKING THE SERIAL PORT NETWORK OPERATION............................................................................. 124
STOP mode ................................................................................................................................ 124
POLL mode................................................................................................................................. 125
Current loop settings................................................................................................................... 125
Specifications.............................................................................................................................. 126
- 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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