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SI Analytics TW alpha plus Operating Manual

Titration sample changer.
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OPERATING MANUAL
TW alpha plus
TITRATION SAMPLE CHANGER

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Summary of Contents for SI Analytics TW alpha plus

  • Page 1 OPERATING MANUAL TW alpha plus TITRATION SAMPLE CHANGER...
  • Page 2 Gebrauchsanleitung ....................Seite 3 … 16 Wichtige Hinweise: Die Gebrauchsanleitung ist Bestandteil des Produktes. Vor der ersten Inbetriebnahme bitte sorgfältig lesen, beachten und anschließend aufbewahren. Aus Sicherheitsgründen darf das Produkt ausschließlich für die beschriebenen Zwecke eingesetzt werden. Bitte beachten Sie auch die Gebrauchsanleitungen für eventuell anzuschließende Geräte.

  • Page 3: Table Of Contents

    Sample plates of the TW alpha plus ..............23 Built-in magnetic stirrer Built-in magnetic stirrer..........23 I/O port of the TW alpha plus Titration Sample Changer ......... 23 General I/O description ......................23 Electrical properties of the I/O port ..................23 Inputs of the I/O port .......................
  • Page 4 Notes to the Manual The provided manual will allow you the proper and safe handling of the product. For maximum security, observe the safety and warning instructions in the operating manual. Warning of a general danger to personnel and equipment: Non-compliance results (can result) in injury or material damage.

  • Page 5: Specifications Of The Tw Alpha Plus

    Testing basis EN 61 326, Part 1 Country of origin: Made in Germany Automatic TW alpha plus Titration Sample Changer with interchangeable sample plates. Sample plates for 12, 24 beaker glasses or 24 COD reaction vessels according to DIN 38 409, Part 41.

  • Page 6: Set-Up And Initial Operation

    Set-up and initial operation Unpacking the device The device was carefully tested and packed in the factory. For the scope of delivery, please refer to the enclosed part list. Bitte beachten Sie, dass alle Teile restlos aus der Verpackung entnommen werden. Please make sure to take out all parts from the packing.

  • Page 7: Rear View

    D sub miniature socket ( section 4) Moreover, the following operating elements are accessible from the back panel: Mains connector with fuse Pump connector: Rinsing device Mains switch Fig. 1 Rear view of the TW alpha plus Titration Sample Changer...

  • Page 8: System Preparation

    2.4.3 Connection of a titration system A data cable type TZ 3084 is used to connect the TW alpha plus Titration Sample Changer to a titration system, or with a type TZ 3088 directly to a computer. This is done using the upper of the 9-channel sockets on the back panel, i.e.

  • Page 9: Sample Plates Of The Tw Alpha Plus

    Available as a special version upon request. On the back panel of the TW alpha plus Titration Sample Changer there is a stage switch inscribed “Proben/Samples” ( Fig.1, Pos. 4). This switch is used to communicate the sample plates used to the Sample Changer.

  • Page 10: Inputs Of The I/O Port

    Connection to a computerized titration system Interface connections The TW alpha plus Titration Sample Changer is equipped with two serial interfaces (RS-232-C) for data communication with other devices. The plug connectors for these interfaces are located on the back panel of the device (...

  • Page 11: Data-Transfer Parameters

    Please make sure that the devices in the chain have different addresses assigned. The device address of the TW alpha plus Titration Sample Changer can be set on the back panel of the device. The address range is from 00 to 15, depending on the 0 to F switch position. The “3” address is usually defaulted.

  • Page 12: Command List Of The Tw Alpha Plus Titration Sample Changer

    Command list of the TW alpha plus Titration Sample Changer The TW alpha plus Titration Sample Changer features a set of commands which can be used to control it from connected devices. These commands are generated automatically by titration units from SI Analytics and the various titration systems.
  • Page 13 Command Response Reply from the TW alpha plus aaQE The built-in stirrer port and the built-in stirrer will be switched on aaQA The built-in stirrer port and the built-in stirrer will be switched off aaQSz Setting the stirring speed (z = 0 bis 9)

  • Page 14: Switch Positions

    The “Baud Rate” switch ( Fig. 1, item. 5) is used to set the transfer speed, the mains frequency, and the beaker glasses being used. The switch position must only be changed if the TW alpha plus Titration Sample Changer is switched off. The mains frequency has an effect on the motional speed of the titration head. To ensure the proper control of the movements of the titration head by the software, the mains frequency has to be set correctly.

  • Page 15: Plate Size

    The plate size being used is set using the “Proben/Samples” switch ( Fig. 1, item. 4) on the back panel of the TW alpha plus Titration Sample Changer. The switch has 16 positions, of which only the first 4 are in use.

  • Page 16: Guarantee

    Storage and transportation If the TW alpha plus Titration Sample Changer has to be stored over some time, or to be dislocated, the use of the original packing will be the best protection of the devices. However, in many cases this packing will not be available anymore, so that one will have to compose an equivalent packaging system.
  • Page 20 SI Analytics Gebäude G12, Tor Rheinallee 145 55122 Mainz Deutschland, Germany Tel. +49(0)6131.66.5042 Fax. +49(0)6131.66.5105 E-Mail: Service-Instruments.si-analytics@xyleminc.com SI Analytics is a trademark of Xylem Inc. or one of its subsidiaries. © 2018 Xylem, Inc. Version 181114 US 602 877 3...

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