Technical Reference section

Maintenance and repair

Checking the batteries

The SunScan system requires batteries within the probe and in the Workabout. The Beam Fraction sensor does not require batteries because it draws its power from the probe.

The SunScan probe batteries

The probe is powered by 4 AA size alkaline cells mounted within the probe handle. With typical use, these batteries should last from 6 - 12 months. The probe circuit automatically "sleeps" when no readings are being taken. There is no probe on/off switch.

Checking the probe battery level

Connect the probe to the Workabout, and from the SunData program take a reading with the probe (any light reading will do - it is required only to activate the battery sensing circuit).

Then press ∪ +B (or Menu,Utils,About). The screen display will show various version numbers plus a Battery mV reading.

Replace the batteries if the reading is 4700 mV or less. A reading of 5000 mV or above indicates that the batteries are healthy. You will get an on-screen warning if the batteries are low. When this happens replace them as soon as you can.

If you get a 0 mV reading, the probe has not been read. Take a light reading, and try

∪+B again.

Probe battery life

With a fresh set of batteries in the probe, you could take about 300,000 readings. If you took no readings, the batteries would last for about 6-12 months.

Warning! If you are likely to store the probe for a long period, you should remove the batteries.

Replacing the probe batteries

You must dismantle the probe handle. Disconnect the BFS and the probe's RS232 cable. The baseplate of the probe is secured to the handle by 4 cross-head corner screws. Unscrew these to remove the handle, whilst carefully supporting the probe. The battery holder can now be prised out of its compartment, and the batteries changed.

The Workabout batteries

Checking the Workabout battery levels

The Workabout is supplied with a rechargeable Ni-Cd battery pack and a Lithium back-up battery installed. Press Shift+Ctrl+B to display the Psion Battery info screen. You will be warned when the batteries get low. Switch off and recharge the batteries as soon as possible.

For full details on the care and maintenance of the Workabout's batteries you should refer to the Workabout User Guide pages 2-5, but the following brief notes will get you started.

64 • Technical Reference section

Document code: SS1-UM-1.05

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Delta Electronics SS1-UM-1.05 user manual Technical Reference section, Maintenance and repair, Checking the batteries
Page 63 Page 65

SS1-UM-1.05 specifications

Delta Electronics has long been recognized for its innovative solutions in power and thermal management technologies. One of its notable products is the SS1-UM-1.05, a compact and efficient power supply module designed to meet the needs of a variety of applications, from industrial automation to telecommunications.

The Delta SS1-UM-1.05 is a key component in the company’s extensive portfolio, providing reliable and stable power supply for both demanding and sensitive electronic equipment. One of the main features of this module is its high efficiency, which typically exceeds 90%. This not only minimizes energy consumption but also reduces heat generation, making it an ideal choice for applications where thermal management is crucial.

Another significant characteristic of the SS1-UM-1.05 is its wide input voltage range, which allows it to operate effectively in various environments. The module supports a voltage range from 90 to 264 VAC, ensuring consistent performance even in fluctuating supply conditions. This versatility makes it well-suited for global applications, accommodating different electrical standards and requirements.

The SS1-UM-1.05 also boasts a compact footprint, which is essential for space-constrained installations. Its design emphasizes not only performance but also ease of integration into existing systems. The module provides multiple output voltage options, allowing it to cater to specific power requirements, whether it be for industrial machinery or consumer electronics.

In terms of technologies, the SS1-UM-1.05 incorporates advanced power conversion technologies that enhance its overall performance. It features overload protection and thermal shutdown mechanisms to safeguard both the module and the equipment it powers from potential damages due to electrical faults. Moreover, it has low electromagnetic interference (EMI) emissions, which is crucial for environments sensitive to electrical noise.

The SS1-UM-1.05 is also designed with a robust enclosure that adheres to stringent safety and environmental standards. This enhances its durability and reliability, ensuring it can withstand harsh operating conditions. With these features, Delta Electronics demonstrates its commitment to delivering high-quality products that meet the evolving needs of industries worldwide.

Overall, the Delta SS1-UM-1.05 power supply module is an exemplary solution for those seeking a reliable, efficient, and compact power source. Its advanced features and technologies make it an indispensable component in modern electronic systems.
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