Vaisala DMP248 Service Manual Page 141
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APPENDIX 7 ________________________________________________________________________
VAISALA ________________________________________________________________________ 135
Setting and activating the outputs with menu commands
Disconnect the security lock jumper!
• Select MORE in the main menu and then ALARM; the following
is displayed:
• If the settings need to be changed, press CL:
- the quantity starts blinking; it can be changed with arrow switches,
and acknowledged with ENT.
- the third parameter (in this example HI ON) starts blinking. This
parameter determines whether the alarm output is in use or not, and
when it is activated. Select the output control state with the arrow keys.
The selection is acknowledged with ENT.
The options are the following:
- HI ON (the alarm is activated by exceeding the setpoint, the output
is in use)
- LO ON (the alarm is activated if the value goes below the setpoint,
the output is in use)
- HI OFF (the alarm is activated by exceeding the setpoint, the output
is not in use)
- LO OFF (the alarm is activated if the value goes below the setpoint,
the output is not in use)
- The setpoint starts blinking (in this example, -20.00); if you wish to
change it, press CL. Use the arrow keys to select the new setpoint digit
by digit and acknowledge each digit using the ENT key. Using the CL
key, you can correct the entry by deleting the digits one by one. When
you have entered the whole setpoint, press ENT for the second time.
- The hysteresis value starts blinking (in this example, 5.00); if you wish
to change it, follow the instructions given in previous paragraph.
NOTE
The options HI OFF and LO OFF are used to deactivate the relay
outputs e.g. for service purposes.
The settings of the channel 2 are changed in the same way.
- 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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