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Summary of Contents for Talon UEC Lite
- Page 1 Manual for the UEC Lite 5V Incremental Encoder Checker Version 1.0...
- Page 2 Thank you for purchasing the UEC Lite encoder checker. This unit will check 5 volt incremental encoders of any brand. The tests that can be performed are PPR, analog, phase and duty. Specifications: Battery power 9 Volts Available encoder current 0.5 Amp (max) <...
- Page 3 Encoder Operation: Incremental encoders output 2 signals, A and B, which are used to determine distance and direction. When a change in digital state occurs, the internal counter is incremented of decremented depending on the last state. Starting with both A and B low, if A changes to high (A leads B), 1 is added to the counter.
- Page 4 Testing an encoder: The UEC Lite is designed to test an encoder that has been disconnected from the machine that it is in. Testing an encoder attached to a machine with the machine on, could cause a dangerous condition that could cause the machine to operate erratically. If the encoder is to be tested on a machine or motor, make sure the power is off to the machine or motor, disconnect the encoder electrically and power the encoder from the UEC.
- Page 5 Press select to exit this mode. When on the testing screen (shows current counts), keep turning the encoder several times. It is important to turn the encoder as smoothly as possible in the same direction. If the Z changes state going the opposite direction, an error may show up. It is a good idea to test again to confirm the error.
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Page 6: Auto Phase
the opposite value. This can show up also when a single ended encoder is tested without selecting the single ended option. AUTO PHASE: This mode will check the phase and duty of the A and B signals. The screen will show the highest and lowest phase and duty of each signal. - Page 7 Phase Low – The phase between A and B was less than the low threshold level. A Duty High – The A signal's duty was greater than the high threshold level. A Duty Low – The A signal's duty was less than the low threshold level. B Duty High –...
- Page 8 The A+ and B+ ( and A- and B-) output measurements are taken on the state change of other output. The high A reading is taken when B changes while A is High. The high B reading is taken when A changes while B is High.
- Page 9 Single Ended – Press Select to toggle between Y (Yes) and N (No). If the encoder only has A, B, and Z (or just A and B), select [Y]. PULL-UPS – Press Select to toggle between Y and N to select whether or not the pull-ups are activated. The pull-ups provide 20ma to 5 Volts on each signal.
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