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Sentek SDI-12 Manual

Drill & drop probe
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Probe Manual Version 1.1

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Summary of Contents for Sentek SDI-12

  • Page 1 & & Probe Manual Version 1.1...
  • Page 2 All rights reserved. No part of this document may be reproduced, transcribed, translated into any language or transmitted in any form electronic or mechanical for any purpose whatsoever without the prior written consent of Sentek Pty Ltd. All intellectual and property rights remain with Sentek Pty Ltd. All information presented is subject to change without notice.

  • Page 3: Sentek - Statements Of Compliance

    Any modifications to any part of the equipment or to any peripherals may void the EMC compliance of the equipment. Radio Interference The probe is not to be operated in free air as it may cause interference to radio communication devices Copyright © 2001 – 2014 Sentek Pty Ltd All rights reserved Page ii...

  • Page 4: Table Of Contents

    Sentek MULTI and Modbus RS485 probes ..............5 Sentek PLUS and Modbus RS232 probes ................6 Sentek SOLO probe ......................7 Drill & Drop Technical Specifications ..............8 RS232/RS485 Interface specification ................8 SDI-12 Interface Specifications ..................8 Copyright © 2001 – 2014 Sentek Pty Ltd All rights reserved Page iii...

  • Page 5: The Drill & Drop Probe

    Sentek Drill & Drop Probe Manual The Drill & Drop Probe This manual should be used in combination with the appropriate Sentek Hardware manual for which the probe is configured i.e. Sentek MULTI, Sentek PLUS, Sentek SDI-12 or RS232/485Modbus. The Drill & Drop probe complements the Sentek EnviroSCAN probe and Sentek EasyAG probe. It comes in two sensor configurations of 6 sensors or 12 sensors.

  • Page 6: Probe

    (optional)  Non-removable 1m cable with ends encapsulated in interface box and in probe rod  Cable encapsulated at interface box, supplied with appropriate Sentek connector or bare wires,.Cable length nominally 5m (see section Wiring the Probe Cable), Sentek Solo has its cable pre-wired into the Solo Head Unit.

  • Page 7: Setting The Sdi-12 Address

    If multiple probes are on the one SDI-12 bus it will be necessary to use either your SDI-12 logger or PConfig to change the SDI-12 address of the probe in the range "0" to "9", "A" to "Z" and "a" to "z".

  • Page 8: Installation And Setup Of The Drill & Drop Probe

    1. Plug the Interface to DTU cable into the probe connector on the DTU (or third part logger). 2. Plug the DTU front panel PConfig cable into your computer For SDI-12 or Modbus: Plug the Drill & Drop PConfig cable to the Interface box and to your Computer.

  • Page 9: Wiring The Probe Cable

    Yellow Sentek MULTI and Modbus RS485 probes The Sentek MULTI DTU has a built in connector which uses a four pin "Buccaneer" plug. If required the probe end connector can be ordered as Sentek Part number:  04086 Sentek MULTI, Probe Cable Connector For detailed wiring steps, see section Sentek MULTI Probe Cable Connector in the Sentek MULTI Hardware Manual.

  • Page 10: Sentek Plus And Modbus Rs232 Probes

    1 with Center No pin If the Sentek PLUS DTU does not have a cable with Buccaneer connector, the Drill & Drop probe cable can be wired directly into connector X2 on the PLUS solar charger board. See section Sentek PLUS DTU in the Sentek PLUS Hardware Manual.

  • Page 11: Sentek Solo Probe

    Sentek SOLO probe A Drill & Drop probe is either supplied:  Pre-assembled in a Sentek SOLO system, with the cable already wired into the SOLO Head unit.  With a cable that has a bare end. This end must be joined to the existing SOLO Head Unit cable.

  • Page 12: Drill & Drop Technical Specifications

    1200, 2400, 9600 (default), 19200 and 38400 bits per second SDI-12 Interface Specifications SDI-12 Protocol : Version 1.2 Time to sample M!, M2!, M4!, C!, C1! commands: Copyright © 2001 – 2014 Sentek Pty Ltd All rights reserved Page 8...
  • Page 13 Time to sample M1!, M3! & M5! commands: 0.8 seconds for 12 Sensor Moisture and Temperature. Voltage Supply (+Vin): 5 to 15 Volts DC Current consumption (SDI-12): Idle and Sleep currents are as per SDI-12 specification. Mode: Current consumption SDI-12 Sleep SDI-12 Idle Copyright ©...
  • Page 14 Sentek Drill & Drop Probe Manual Mode: Current consumption SDI-12 Sampling Copyright © 2001 – 2014 Sentek Pty Ltd All rights reserved Page 10...

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