Vaisala DMP248 Servisní příručka Strana 139
- Strana / 145
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
APPENDIX 7 ________________________________________________________________________
VAISALA ________________________________________________________________________ 133
APPENDIX 7
Alarm output unit
The alarm output unit consists of two alarm relays and two opto-
isolated outputs (see Figure 1). The relay output 1 is available at screw
terminal X1 and the relay output 2 at screw terminal X2. The opto-
outputs are activated simultaneously with the corresponding relays
and available at screw terminal X5.
X1
X2
X5
C
NONC
C
NO
NC
ALARM 1ALARM 1
ALARM 2ALARM
2
-
+
-
+
ALARM 1ALARM
1 ALARM 2ALARM 2
SPCO relay outputs
max. 230 VAC 8A
24 VDC 8 A
max. 230 VAC 8A
24 VDC 8 A
opto-outputs
max. 24 VDC 30 mA
opto-outputs
max. 24 VDC 30 mA
or
OPTIONS:
Figure 1 Relay and opto-outputs
When the relay is not activated, the C and NC outputs of the screw
terminal are closed. When the relay is activated, these outputs are
opened and the C and NO outputs are closed. If required, the relays
can be activated by inserting a jumper to the test connector X4. By
inserting the jumper to two pins on the left, relay 1 is activated and by
inserting the jumper to two pins on the right, relay 2 is activated.
The alarm output unit is delivered with the alarm outputs in OFF
mode (not in use). Therefore, the customer needs to set and take into
use the desired outputs.
If the mains power is in use, only an authorized electrician may
connect the alarm unit. A readily accessible disconnect device shall be
incorporated in the fixed wiring (IEC 950).
For alarm output cabling, remove the plastic plug in the transmitter
housing and replace it with the cable gland. Fasten the alarm unit to
the bottom of the housing with four screws. Attach the grounding wire
with the screw and washer to the grounding terminal on the right-hand
- 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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