remote control and online data logging for palltronic
TRANSCRIPT
Application Note
Remote Control and Online Data Logging for Palltronic® Integrity Test Instruments
USTR 2320 Rev A
Table of Contents Page i
Table of Contents
Table of Contents1. Introduction.........................................................................................................1
2. Remote Control ...................................................................................................12.1 Remote Control via the OPC Server Option ........................................................................22.2 Remote Control via Electrical Signals ...................................................................................32.3 Remote Control via a Fieldbus Technology ..........................................................................4
3. Online Data Collection ........................................................................................4
4. Availability ...........................................................................................................5
List of Figures
Page ii Palltronic® Integrity Test Instruments Application Note
List of FiguresFigure 1: Signal and Data Transfer Schematic ................................................................................ 1Figure 2: Remote Control............................................................................................................... 2Figure 3: Remote Control via the OPC Server Option ................................................................... 3Figure 4: Remote Control via Electrical Signals .............................................................................. 3Figure 5: Online Data Collection ................................................................................................... 4
List of TablesTable 1: Remote Control and Online Data Logging Options ........................................................ 5
Introduction
1. IntroductionWithin the pharmaceutical industry there is growing use of automated systems to meet regulatory requirements for validation and data security, and also to satisfy market demands for cost effective manufacturing techniques.
Pall has developed a comprehensive variety of methods for remote control and data logging of Palltronic® integrity test instruments. This Application Note describes the options that are available.
2. Remote ControlPalltronic instruments can be controlled and monitored via the COM 1 interface port on the back of the instrument. The 21 CFR Part 11 user access and electronic signature functions must be switched off when the test instrument is used under remote control.
Figure 1: Signal and Data Transfer Schematic shows the signals and data transfer between the Palltronic Flowstar XC instrument (as an example), a controlling Programmable Logic Controller (PLC) or Microsoft Windows*-based Personal Computer (PC) and the high-level Supervisory Control And Data Acquisition system (SCADA).
Figure 1: Signal and Data Transfer Schematic
The remote control mechanism allows:
• The transfer of the test parameters (test type, pressure, run time, pass criteria) from the control system to the Palltronic instrument
• The initiation and monitoring of the test process on the instrument; and • The transfer of the final test result to the control system for integration with the test information such as filter
housing, and batch numbers.
The various options for remote control of the Palltronic instruments are detailed in Sections 2.1 – 2.3.
Please refer to Table 1: Remote Control and Online Data Logging Options on page 5 for information on the options available for each instrument.
The test record stored and printed on the Palltronic instrument includes only the test information sent to the instrument.
Introduction Page 1
Remote Control via the OPC Server Option
Figure 2: Remote Control
2.1 Remote Control via the OPC Server OptionThis remote control option allows a PC, capable of hosting a piece of software known as the OPC Server, to remotely control a Palltronic instrument. This piece of software has no direct user interface and simply handles the communication with up to five Palltronic instruments (recommended maximum, depends on number of available COM ports on the server PC). The instruments can then be controlled and monitored directly — from the same PC or by any PC or OPC-compatible SCADA system connected to the same network — using an OPC client specifically written to the requirements of the user or automation system.
The OPC Server software is provided as part of the OPC Server option. A qualified systems programmer can write the OPC client software, which is not supplied.
Page 2 Palltronic® Integrity Test Instruments Application Note
Remote Control
Figure 3: Remote Control via the OPC Server Option
2.2 Remote Control via Electrical SignalsThis remote control option allows simple operation of the Palltronic instruments using electrical signals. The Palltronic instrument must have the test parameters prepared manually by the operator before running a test. The instrument receives an electrical signal to start the test and as long as the test is running, the instrument sends a signal to the control device to indicate that it is busy. At the end of the test, there is an electrical signal that indicates whether the test has passed or failed.
The test parameters can be entered in either one of two ways:
• A test program called W-OPTION is stored on the instrument, or• The test parameters are entered by an operator to the point where the Start button is ready to be pressed and the
test is then started by the electrical signal.Figure 4: Remote Control via Electrical Signals
Remote Control via Electrical Signals Page 3
Remote Control via a Fieldbus Technology
2.3 Remote Control via a Fieldbus TechnologyThis remote control option allows a PLC to remotely control a Palltronic instrument using an industry-standard fieldbus technology. The PLC must be pre-configured with either a Profibus DP or DeviceNet interface and can then specify the necessary test parameters for the integrity test and monitor the progress of the test. At the end of the test, a result code and a measured result value are provided to the PLC and can be passed to the high-level SCADA system (as required).
For communication with a PLC over a Profibus DP or DeviceNet connection, the appropriate fieldbus adapter is provided for the Palltronic instrument as part of the automation option. An instrument definition file is also provided to enable the PLC programmer to seamlessly and easily integrate the operation of the integrity test device into the rest of the PLC logic.
Please refer to the options table at the end of this document for details on the available fieldbus support.
3. Online Data CollectionTo enable online data collection, the Palltronic instrument can be configured to send test parameters and results (excluding graphs) via the COM2 port to the connected PC once the test has ended.
Two formats can be selected:
• STX/ETX FormatA program on the PC is required to translate information received from the Palltronic instrument. Alternatively, the instrument can be plugged directly into a printer (with the appropriate cable).• CSV (Comma Separated Value) FormatThe data is sent as comma separated fields where each field has a defined content. A file saved in this format can be read directly into Microsoft Excel* or other office applications. Further details of the data structure for these two formats can be provided on request.
Figure 5: Online Data Collection
Page 4 Palltronic® Integrity Test Instruments Application Note
Availability
4. AvailabilityTable 1 shows which remote control and online data logging options are available with Palltronic instruments:
Notes:Remote control via Profibus or DeviceNet requires software version 3.1e or above.Remote control via Palltronic Flowstar MUX requires software version 3.2b or above.Remote control via Palltronic Flowstar 02 requires software version 3.3a or above.
This options table is under constant development and new technologies may be made available on customer request. Please contact your local sales representative for further information.
Table 1: Remote Control and Online Data Logging Options
Instrument Palltronic Flowstar XC
Palltronic Flowstar MUX
Palltronic AquaWIT XC
Palltronic Flowmod
Palltronic Flowstar II
Remote Control via OPC DA Server � � � � �
Remote Control via Profibus � � � � �
Remote Control via DeviceNet � � � � �
Remote Control via Electrical Signals � � � � �
Online Data Logging (CSV and STX/ETX) � � � � �
� Available� Not Available
Remote Control via a Fieldbus Technology Page 5
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All data, specifications and information contained in this publication are based on information we believe reliable and represent values in effect at the time of printing. Pall Corporation reserves the right to make changes without prior notice.
, Pall, and Palltronic are trademarks of Pall Corporation. Filtration.Separation.Solution. is a service mark of Pall Corporation.Microsoft, Windows, and Excel are trademarks of Microsoft Corporation in the United States and/or other countries.
Part Numbers quoted above are protected by the Copyright of Pall Corporation. ® indicates a trademark registered in the USA. © 2008, Pall Corporation.5/08 USTR 2320 Rev A