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Summary of Contents for Mantracourt T24-RA
- Page 1 T24-RA Potentiometer Acquisition Module User Manual mantracourt.com...
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Page 2: Table Of Contents
OEM / Reseller Marking and Documentation Requirements ............31 FCC ..........................31 IC ..........................31 CE ..........................31 Declaration Of Conformity ....................33 Worldwide Regional Approvals ....................34 Important Note ......................34 Warranty ......................... 34 Mantracourt Electronics Limited T24-RA User Manual... -
Page 3: Introduction / Overview
Introduction / Overview The T24-RA is a remote acquisition module for the collection and processing of potentiometer resistance measurements. The module measures the resistance and periodically transmits it. Between transmissions the device is optionally in a power saving sleep mode to conserve batteries Various devices are available that utilise the transmitted data and include handheld and PC displays etc. -
Page 4: Configuration
If you have a USB version of the base station (T24-BSu) then you just need to plug this into a USB socket on your PC. If you are using an alternative base station then please refer to the appropriate manual. Mantracourt Electronics Limited T24-RA User Manual... -
Page 5: T24 Toolkit
Click the Home button to attempt communications with the base station. If no communications can be established the toolkit will remain on this page. You will need to check that the base station is powered and that it is connected to the converter correctly. Mantracourt Electronics Limited T24-RA User Manual... -
Page 6: Home
If you connect successfully the toolkit will change to the Information page. If the pairing fails try again. NOTE: Pairing with the toolkit will not change the radio configuration settings of the connected device. Mantracourt Electronics Limited T24-RA User Manual... -
Page 7: Analyser
The above charts show the traffic from a Wi-Fi network and it can be seen to be operating over channels 6 to 9 and it would be best (though not essential) to avoid using these channels. Mantracourt Electronics Limited T24-RA User Manual... -
Page 8: Data Provider Monitor
The Start Logging button will ask for a filename and proceed to log the received data to a CSV file in the following format: Data Tag, Elasped mS, Value The View Last Log button will launch the application associated with CSV files and open the last logged file. Mantracourt Electronics Limited T24-RA User Manual... -
Page 9: Information
Once successfully paired to a device this page is displayed. This page shows you information about the connected device. Items you can change: Name You can enter a short description which may help you recognise this device in the future. Mantracourt Electronics Limited T24-RA User Manual... -
Page 10: Battery And Radio Levels
Items you can change: Low Battery Level Click this item to set the battery low level. Clicking the Advanced button will give more detailed information on the RSSI and CV levels of the received radio packets. Mantracourt Electronics Limited T24-RA User Manual... -
Page 11: Battery And Radio Levels Advanced Settings
RSSI is effectively the received dB level which will range from about -30 which is a good signal to -90 which is a weak signal. CV is the correlation value and indicates how well the signal can be decoded. This ranges from 55 which is a poor quality signal and 110 which is an excellent signal. Mantracourt Electronics Limited T24-RA User Manual... -
Page 12: Data Rates And Quality
Master-Slave arrangement with PC for example. Battery Type This is not a parameter of the device but information used by the battery life guide. You can choose from some preset batteries or choose custom to allow Mantracourt Electronics Limited T24-RA User Manual... - Page 13 Usage Per 24 Hour Period Enter the number of hours per 24 hour period that the T24-HS handheld will be turned on and communicating with an acquisition module. Mantracourt Electronics Limited T24-RA User Manual...
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Page 14: Input / Output Configuration
You can now apply the next input and click Acquire until all the points are completed. The bottom of the page shows the Input Value and the Calibrated Value. Once the second point has been acquired this Calibrated Value should display the actual calibrated value. Mantracourt Electronics Limited T24-RA User Manual... - Page 15 This will take you to a different screen. Advanced Clicking the advanced button will allow you to edit the gains and offsets for each available calibration point. This will take you to a different screen. Mantracourt Electronics Limited T24-RA User Manual...
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Page 16: Calibration By Certificate
Enter the input point for which you will specify a required engineering output ( shown in this screenshot) value Engineering Units 1 - 9 Enter the required engineering unit output for the specified input value Calibrate Click this button to calculate and update the device calibration Mantracourt Electronics Limited T24-RA User Manual... -
Page 17: Calibration Advanced
This parameter stops the unit reporting values outside the viable input range. System Zero You can set the system zero value here or set it to zero to remove the system zero effect. Mantracourt Electronics Limited T24-RA User Manual... - Page 18 This leads to a resultant gain and offset which is applied to the mV/V values as follows. Value = (input * Resultant Gain) – Resultant Offset. Mantracourt Electronics Limited T24-RA User Manual...
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Page 19: Channel And Encryption
Encryption Key Only devices with identical encryption keys can communicate. You can isolate groups of devices on the same channel or just use the key to ensure the data cannot be read by somebody else. Mantracourt Electronics Limited T24-RA User Manual... -
Page 20: Save And Restore
All configuration information including calibration data will be overwritten. The file extension is tcf. Advanced Settings Click this button to enter the Advanced Settings Page. Here are settings which do not normally require changing. Mantracourt Electronics Limited T24-RA User Manual... -
Page 21: Advanced Settings
LED to be externally mounted. This is very useful when using a T24- HR roaming handheld as the acquisition module LED will activate while the handheld is in communications with the module. Transmit power Set the transmit power level from 0 – 100%. Default is 100% Mantracourt Electronics Limited T24-RA User Manual... -
Page 22: Installation
RAD24i; a small increase or reduction in antenna elevation will often improve reception. Range underwater is only a decimetre or so depending on packet rate. Best performance underwater is obtained by using low packet rates and immersing water-proofed antennae rather than water-tight enclosures containing the antennae. Mantracourt Electronics Limited T24-RA User Manual... -
Page 23: Power Supply / Battery
Optimising battery life Battery life can be optimised by considering the following. Use of low power mode. Transmission interval. Required Measurement resolution (Sample time). Sleep / Wake configuration Auto-Sleep duration. Mantracourt Electronics Limited T24-RA User Manual... -
Page 24: Battery Types
The unit comes pre-configured to provide a charging current of 466mA suitable for VARTA LIP653450. This module also supports additional batteries providing a charge current of 133mA via the removal of the leaded resistor (non surface mount). Mantracourt Electronics Limited T24-RA User Manual... -
Page 25: Physical Connections
Battery life = 12 days 13 hours* * Note: Battery life is calculated with a T24-RA running in low power mode with a sample time of 5mS and transmit interval of 333mS and an input impedance of 1000 Ohms for 2 hours out of every 8 hours. -
Page 26: Capacitor Module T24-Bc2
Using lower impedance strain gauges (or multiple parallel strain gauges) exacerbates this problem. Consult Sales for details. Alternatively fit an electrolytic capacitor across battery of 2000uF or greater. This capacitor should be of low ESR (< 70mOhms). Mantracourt Electronics Limited T24-RA User Manual... -
Page 27: Mounting
Battery ground of the acquisition module. The mounting hole near the chip antenna cannot accept metal mounting hardware. The connection holes are on a 1.9mm pitch and are a diameter of 1mm. Mantracourt Electronics Limited T24-RA User Manual... -
Page 28: Antenna
T24 acquisition modules fitted with a UFL stud have a suffix ‘e’ to the part number e.g. T24-SAe Note: The suffix ‘e’ is omitted where the T24 acquisition module is fitted inside a T24-ACM or T24-ACMi enclosure e.g. T24-ACM-SA, T24-ACMi SA Mantracourt Electronics Limited T24-RA User Manual... -
Page 29: External Antennas
The sensitivity to the radio transmission will be reduced if the acquisition module is oriented in a vertical or portrait position if a handheld is used because the handheld can only be used in one orientation. Mantracourt Electronics Limited T24-RA User Manual... -
Page 30: Specifications
AC pk-pk Power Supply current Typical Units Normal Mode Standby / Low power mode Environmental Typical Units Operating temperature range ° Storage temperature ° Humidity Physical PCB Dimensions 16.8 x 37.5 x 6.5mm Mantracourt Electronics Limited T24-RA User Manual... -
Page 31: Approvals
(2) this device must accept any interference received, including interference that may cause undesired operation. CAUTION: If the device is changed or modified without permission from Mantracourt Electronics Ltd, the user may void his or her authority to operate the equipment. -
Page 32: Industry Canada
Section 15.247 (emissions). Acquisition modules have been certified by the FCC for use with other products without any further certification (as per FCC section 2.1091). Changes or modifications not expressly approved by Mantracourt could void the user’s authority to operate the equipment. - Page 33 The CE marking must have a height of at least 5mm except where this is not possible on account of the nature of the apparatus. The CE marking must be affixed visibly, legibly, and indelibly. Mantracourt Electronics Limited T24-RA User Manual...
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Page 34: Declaration Of Conformity
Radio and Telecommunications Terminal Equipment Directive 1999/5/EC, FCC CFR Title 47 part 15c BS EN 61000-4-2 and BS EN 61000-4-3 following the provisions of the EMC Directive 2004/108/EC and Low Voltage Directive 2006/95/EC. December 2007 Brett James FCC ID:VHARAD24 Development Manager Mantracourt Electronics Limited. Mantracourt Electronics Limited T24-RA User Manual... -
Page 35: Worldwide Regional Approvals
Any corrective maintenance required after the warranty period should be performed by 'Mantracourt' approved personnel only. In the interests of continued product development, Mantracourt Electronics Limited reserves the right to alter product specifications without prior notice. Code No. 517-930 Issue 1.3 27.10.14...
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