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Vaisala WAT12 Скачать руководство пользователя страница 31

5. Troubleshooting

5.1 Troubleshooting WAT12

Table 9 Common problems and their remedies

Problem

Probable cause

Remedy

Data is not received by the data
collecting system.

Improper or loose connections. Check wiring and tighten the

screw terminals.

Shaft heating of the sensors is
not working.

Improper or loose connections. Check wiring and tighten the

screw terminals.

Heating is not connected.

Check the connections.

The thermostat switch is failing. Replace the thermostat switch.

Error messages

If the wind speed or direction sensor is removed (output current is 0), the values in the
messages are replaced by slashes and the I/O error bit of status is set to 1.

Chapter 5 – Troubleshooting

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Содержание WAT12

Страница 1: ...M210309EN B User Guide Analog Wind Transmitter WAT12...

Страница 2: ...al English versions In ambiguous cases the English versions are applicable not the translations The contents of this document are subject to change without prior notice Local rules and regulations may...

Страница 3: ...or wiring 16 3 4 2 Signal output 16 3 4 3 Powering 18 3 4 4 Optional heating power 19 3 4 5 Wiring examples 19 3 5 Mounting thermostat switch 23 3 6 Mounting WAT12 on top of pole mast 23 3 7 Mounting...

Страница 4: ...signal currents 17 Figure 10 Wiring for high noise environment 17 Figure 11 Long distance wiring 17 Figure 12 Long distance wiring with 4 wires 18 Figure 13 Default heating power connection with both...

Страница 5: ...line resistance with 24 V DC power supply 18 Table 6 Jumper selectable reference sources for testing 27 Table 7 Output values for jumpers in test mode 27 Table 8 Spare parts 28 Table 9 Common problem...

Страница 6: ...WAT12 User Guide M210309EN B 4...

Страница 7: ...ated manuals Document code Name M210294EN Vaisala Wind Vane WAV151 User Guide M210293EN Vaisala Anemometer WAA151 User Guide 1 3 Documentation conventions Warning alerts you to a serious hazard If you...

Страница 8: ...Tip gives information for using the product more efficiently Lists tools needed to perform the task Indicates that you need to take some notes during the task WAT12 User Guide M210309EN B 6...

Страница 9: ...accepts a wide range of input power 12 28 VDC 1 Flange for mounting Vaisala anemometer 2 Junction box containing the circuit box 3 Flange for mounting Vaisala wind vane WAT12 consists of a printed cir...

Страница 10: ...ids your warranty CAUTION 2 2 1 ESD protection Electrostatic Discharge ESD can damage electronic circuits Vaisala products are adequately protected against ESD for their intended use However it is pos...

Страница 11: ...the flow of air Installations on top of high buildings or masts and in sites on open grounds are vulnerable to lightning strikes A nearby lightning strike may induce a high voltage surge not tolerabl...

Страница 12: ...does not remarkably disturb wind measurement at a minimum distance of 10 h There must be at least 150 m 500 ft open area in all directions from the mast Minimum distance between the mast and obstacles...

Страница 13: ...elect the current output span and direction and speed scaling For examples on selecting scales and ranges see the figures in Jumper settings page 12 3 Enter the power and signal cables through the cab...

Страница 14: ...A 4 20 mA 0 10 mA 2 10 mA 0 5 mA and 1 5 mA are available as user configurable options each with factory adjusted zero and span levels The voltage mode signals are easily obtained by connecting a suit...

Страница 15: ...rage direction during northerly winds These settings are carried out by the jumpers as shown in the following table Table 3 Jumper setting for 1 5 mA current loop Jumper Description X4 J5 ON Normal op...

Страница 16: ...gure 6 Jumpers for setting 0 10 mA 0 540 0 51 2 m s 3 4 Connections WAT12 provides the line cable entry through a gland for a cable with a diameter 7 10 mm For better protection against RF interferenc...

Страница 17: ...Connector Description X1 Plug in connector with screw terminals 5 pcs for the anemometer cable Maximum wire cross section area is 1 5 mm2 X2 Plug in connector with screw terminals 8 pcs for the power...

Страница 18: ...voltage 10 5 V typically and an o p resistance of 57 W The loops return to the common ground for power and signal The signal and sensor power outputs are also current limited Typically only a 4 wire...

Страница 19: ...nment Make sure that you also ground the cable at the power supply Figure 10 Wiring for high noise environment The following figure shows wiring for long distance with the 5 mA loop current Pay attent...

Страница 20: ...ables to remotely supply the operating power from a distance of several kilometers even through private or leased telephone lines The maximum power line resistance depends on the supply voltage and th...

Страница 21: ...of the heating power in temperatures below 4 C 39 2 F The optional heating power requirement is 20 V AC or V DC and 500 mA for both WAV151 and WAA151 The sensors can be connected in series when a 40 V...

Страница 22: ...1 3 4 SHIELD F VIO G2 WHT YEL E D G4 G3 ORN PNK G H G0 G1 WAV151 Wind Transmitter GL G2 G0 G4 G3 7 6 G1 8 9 10 11 X3 WAT12 Wind speed current scale is jumper selectable in WAT12 Power supply Wind dir...

Страница 23: ...Figure 15 Wiring with WHP151 mains power supply Chapter 3 Installation 21...

Страница 24: ...Figure 16 Wiring with WHP25 mains power supply and WA25 sensors WAT12 User Guide M210309EN B 22...

Страница 25: ...h 2 Regulator 3 Wires Make sure that the thermostat switch does not touch the regulator CAUTION Figure 18 Standard connection for thermostat switch 3 6 Mounting WAT12 on top of pole mast The following...

Страница 26: ...fferent units sensors transmitters power supplies and displays can cause a lethal surge voltage if a lightning strikes in the vicinity Always ground the mast equipment case close to the mast with a sh...

Страница 27: ...AV151 to WAT12 1 WAA151 cup assembly 2 WAV151 tail assembly 3 Cross arm 4 WAT12 5 Connector 6 Mounting flange 7 South 8 North 3 8 Alignment After mounting WAT12 to the mast make sure that the WAV151 e...

Страница 28: ...to the data collection system and the system is powered up make sure that the wind readings react correctly To test the anemometer rotate the cups manually To test the wind vane hold the vane in a few...

Страница 29: ...rces for testing Variable Reference signal alternatives Direction 000 008 357 Speed 0 0 m s 0 8 m s 51 2 m s 1 To remove WAT12 cover remove the 4 screws holding the cover 2 To enable the test stage re...

Страница 30: ...omponent board pay attention to ESD protection When you replace the thermostat switch see Mounting thermostat switch page 23 Table 8 Spare parts Spare part Order code Component Board for WAT12 16637WA...

Страница 31: ...ls Shaft heating of the sensors is not working Improper or loose connections Check wiring and tighten the screw terminals Heating is not connected Check the connections The thermostat switch is failin...

Страница 32: ...nal input from sensors Wind direction 6 bit parallel GRAY code optionally 7 bits Wind speed Pulse frequency 0 750 Hz Output signals 2 analog current loops 1 for direction 1 for speed Highside drivers...

Страница 33: ...ic electromagnetic environment Mounting To 60 mm 2 36 in pole mast Weight 1 5 kg 3 31 lb Dimensions PC board 114 69 mm 4 49 2 72 mm Junction box H W D 80 125 57 mm 3 15 4 92 2 24 in Cross arm length 8...

Страница 34: ......

Страница 35: ...of the warranty for each product Technical support Contact Vaisala technical support at helpdesk vaisala com Provide at least the following supporting information as applicable Product name model and...

Страница 36: ......

Страница 37: ......

Страница 38: ...www vaisala com...

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