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Summary of Contents for Chell microDAQ-PCU
- Page 1 Chell Instruments Ltd Folgate House Folgate Road North Walsham Norfolk NR28 0AJ ENGLAND Tel: 01692 500555 microDAQ-PCU Data Acquisition Pressure Calibration Control Unit USER GUIDE e-mail:- info@chell.co.uk Visit the Chell website at: http://www.chell.co.uk 900262-1.0...
- Page 2 Chell Document No. : 900262 Issue 1.0 ECO : ---- Date: 24 July 2024 Chell’s policy of continuously updating and improving products means that this manual may contain minor differences in specification, components and software design from the actual instrument supplied.
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Page 3: Table Of Contents
CONTENTS Introduction ..........................3 Specification ..........................4 Power Supply: ........................... 4 Package: ........................... 4 Ethernet Specifications: ......................4 Operating conditions: ........................ 4 Dimensions ..........................5 Installation and Interconnections ..................6 Main User Interface ......................... 7 Introduction..........................7 Tabs ............................7 Sidebar ............................. -
Page 4: Introduction
CANdaq5 line of pressure data acquisition scanners from Chell. It is planned that future releases will add additional support for the PACE 6000 dual channel controller and also Chell’s other front line DAQ systems like the 2432 and the upcoming 2416 flight ready acquisition system. -
Page 5: Specification
2 Specification 2.1 Power Supply: PoE only: IEEE802.3 at / af 2.2 Package: Dimensions 128 x 60 x 36mm Weight 300g 2.3 Ethernet Specifications: TCP/IP 10Mb/s & 100Mb/s via Auto Negotiation TCP protocol supported 2.4 Operating conditions: Operating temperature range: 0C to +40C Storage temperature range: -40C to +80C... -
Page 6: Dimensions
2.5 Dimensions Page 5... -
Page 7: Installation And Interconnections
It is recommended that the microDAQ-PCU be placed within the IT patch panel cabinet or sited next to the pressure controller generating the pressures. -
Page 8: Main User Interface
4 Main User Interface 4.1 Introduction. The microDAQ-PCU is designed primarily to be used via a web browser and as such, this manual details its operation via this interface. The device can also be controlled via remote comms commands sent over a TCP interface. A separate document (900204 –... -
Page 9: Sidebar
– this takes approximately 1 minute. 4.4 Dashboard The main dashboard page is the first presented to the unit when navigating to the microDAQ-PCU’s IP address. This page is broken down into three framed sections as follows: 4.4.1 Pressure Reference... -
Page 10: Crg Index And Calibration Controls
the current pressure will live update every half second as it is retrieved from the pressure controller. 4.4.2 CRG Index and Calibration controls This frame is the main control frame for operation of the system. From here you can select a CRG Index that relates to a pressure controller and a number of DAQ devices that you want to perform calibration functions on and... -
Page 11: Test Devices
Note that the Span Functions allow selection of a user defined pressure value, or to default to the 90% of device full scale value. If a user value is selected, the system will check that this value is not too large and will cap it to a maximum of 110% of the test device full scale to ensure that the sensors on the test device are not damaged by too much over-pressuring. - Page 12 None, at which point all devices (including the pressure controller) will be disconnected automatically. If you wish to perform some external data logging on the DAQ devices (e.g. using microDAQX) you must ensure that all test devices are disconnected from the microDAQ-PCU first. Page 11...
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Page 13: Crg Config
4.5 CRG Config Figure 6 below shows the CRG Config page, which is where all configuration relating to pressure controllers and test devices and their association with CRG Indexes, is done. Figure 6 – CRG Config page This page shows a list of all currently configured Pressure Reference controllers, test scanners and auxiliary devices (currently just microQDVPs). - Page 14 button – the index number will auto increment each time. When adding new devices, or deleting unwanted entries, it is recommended that the CRG index is set to ‘None’ prior to adding/deleting. To associate devices with a CRG index, first select the index from the dropdown. This will then highlight (using the checkboxes and radio buttons) any devices already associated with that CRG index.
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Page 15: Pcu Config
4.6 PCU Config This screen is used for some more general configuration options, as can be seen in Figure 7. Figure 7 – PCU Config page From this screen you can change the following settings to suit the calibration test application: Setting Description... -
Page 16: Factory Tools
a warning popup box is shown on the dashboard page (see Figure 9 below) prior to the calibration function continuing. Zero Setpoint Action This setting determines what happens with the pressure reference when a zero setpoint value is requested. The two available options are control to 0.0 and vent the controller. -
Page 17: Service And Calibration
5 Service and Calibration 5.1 Service There are no user serviceable parts inside the instruments. Should any difficulties be encountered in the use of the microDAQ-PCU, it is recommended that you contact Chell Instruments Ltd for advice and instructions. 5.2 Calibration Calibration is not required for the microDAQ-PCU.
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