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© Valeport Limited 

M

IDAS

 WLR Hardware Manual 

Page 4 

0730877D.doc 

INTRODUCTION 

This manual covers the specification, wiring details and basic maintenance procedures 

for the Valeport M

IDAS 

WLR Seabed Tide Recorder.  Full details of how to operate the 

instrument with the DataLog Express software supplied are given in a separate manual. 

 

As standard, the M

IDAS

 WLR system consists of the following components: 

 

 

Titanium or acetal housed instrument 

 

Stainless steel deployment cage 

 

3m Y lead (interface to PC) 

 

Switching Plug 

 

Basic maintenance tools and spare o-rings 

 

DataLog Express Software CD 

 

Operating Manual 

 

Transit case 

 

In addition, the following components may be supplied as optional extras: 

 

RS485 communications adaptor 

 

RS422 communications adaptor 

 

Bluetooth communications adaptor (19200 baud only) 

 

FSK modem communications adaptor (includes pcb in instrument) 

 

Various lengths & types of signal cable are also available 

 

 

Note that instruments are often supplied (on request) with minor adjustments to the 

above list, such as a 5m Y lead instead of a 3m Y lead for example.  Such variations will 

be detailed on the instrument packing list, and not in this manual. 

 

1.1  CONTACT INFORMATION 

If you have any questions about the operation of the instrument, which are not 

answered by this manual, please contact your supplier if appropriate, or contact 

Valeport Ltd directly at the address given at the front of this manual. 

 

Содержание MIDAS WLR

Страница 1: ...served to the Company This document must not be copied reprinted or reproduced in any material form either wholly or in part and the contents of this document and any method or technique available the...

Страница 2: ...Valeport Limited MIDAS WLR Hardware Manual Page 2 0730877D doc...

Страница 3: ...mory 7 A Note About Removable Memory 8 2 4 2 Based on Batteries 9 A Note About Rechargeable Cells 10 3 INSTALLATION 11 3 1 Communications With PC 11 3 2 Deploying the MIDAS WLR 12 3 2 1 Real Time Oper...

Страница 4: ...l Transit case In addition the following components may be supplied as optional extras RS485 communications adaptor RS422 communications adaptor Bluetooth communications adaptor 19200 baud only FSK mo...

Страница 5: ...ure Type Temperature Compensated Piezo Resistive Sensor Range Various available 10Bar approx 100m water depth to 600Bar approx 6000m water depth Precision 0 01 Full scale 1cm for 10Bar sensor 0 6m for...

Страница 6: ...Valeport 3m Y lead 10 pin male Subconn line type MCIL10M to instrument 2 x 4mm bunch pins to external power 9 pin female D type to PC Switching Plug 10 pin male Subconn line type MCIL10M with lock rin...

Страница 7: ...8Hz Memory used per second is 8 x 6 bytes 48 bytes Total memory fitted is 16 777 216 bytes Seconds before memory full is 16 777 216 48 approx 349 500 seconds This is equivalent to 97 hours This perio...

Страница 8: ...to get the memory card out All memory cards are susceptible to ESD shock static electricity while being handled We take the view that the value of your data means it shouldn t be exposed to the possi...

Страница 9: ...ity of 7 2Ah and will be 95 efficient total available charge 6 8Ah Continuous data sampling 8Hz At 12v the instrument draws 25mA when sampling Total charge available is 5850mAh Number of hours availab...

Страница 10: ...lst this risk is small it does exist and therefore must be considered The risk could be overcome by adding an air vent to the housing but this could compromise the water tight nature of the housing Be...

Страница 11: ...a 9 way D type connector which should plug directly into a spare communications port on the back of the PC If non RS232 communications are to be used via the optional RS485 RS422 or FSK methods then...

Страница 12: ...for other cable types Connect the top end of the cable to a PC using the appropriate method as described above 3 2 2 SELF RECORDING OPERATION For self recording only deployments the instrument is swi...

Страница 13: ...been recovered Remove any significant growth from the instrument A high pressure water jet or stiff not metal brush is suitable a hard toothbrush is ideal Remove any significant growth from the press...

Страница 14: ...laced if necessary 4 1 CHANGING BATTERIES The MIDAS WLR accepts 8 x C cells of either 1 5v alkaline or 3 6v Lithium type These cells are arranged in series so the output voltage is 12v alkaline or 28...

Страница 15: ...Replace the batteries 6 Check the condition of the bore seal o rings and apply a light coating of silicon grease Ensure that both they and the anti extrusion rings sit in the groove correctly and are...

Страница 16: ...ified by the last 4 digits of the o ring code number O ring size 200 143 4470 Anti extrusion ring size 143 titanium housing only 4 2 1 O RINGS To help preserve the watertight nature of the equipment p...

Страница 17: ...ance and are distinguishable from the o ring itself by having a square cross section with a single concave surface as illustrated These rings should be fitted into the o ring groove on the dry or low...

Страница 18: ...GREEN GREEN 5 link to 1 6 8 9 RS232 Ground SCREEN SCREEN SHELL 10 YELLOW Internal Battery Enable Link to RS232 Ground 5 3 3M SWITCHED Y LEAD RS485 RS422 10 Way Male Subconn 3m Blue Polyurethane Cable...

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