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3 Demonstrator Exercises TCAT Keyboard and Displays Explanations of the TCAT keyboard and displays are shownbelow. SLC demo unit inputs and outputs are also pointed out. You may want to review this information before you begin the exercises. TCAT - Displays TCAT- Keyboard DATA Key Explanation ADDR Address InpuffOutput groups Preset (PR) value Accumulator (AC) value Cancel previous keystroke Enter an address or data Move to nextinstruction Step number (sequencers) I/O PRESET ACCUM CANCEL ENTER NEXT STEP 1 ADDRESS Abbreviations PROT- Protected SEQ -Sequencer TME -Timer PRESET Preset (PR) Value CNT - Counter ACCUM Accumulator (AC) Value - Explanation of displays and LED indicators In this typical display, the TME indicator is lit, telling us that a timeris being monitored. The ADDRESS display indicatesthe timeraddress t o be 901. The ACCUM indicator is lit, telling us that theAC value is being monitored. The DATA display shows the AC value t o be 999.9. The PROTindicator is lit, telling us that the timeris protected (theAC or PR value cannot be modified). Display Instruction Symbols: Various abbreviations and symbols appearin the DATA display t o indicate timer, counter, and sequencer instructions. See Page 3-3 of theTCAT User's Manual. SLC Demo - Inputs and Outputs ~~~ You will be usingsome of the selector switches in the exercises. be Also, certain pilot lights will energized t o indicate timer, counter, or sequencer outputs. OUTPUTS INPUTS - Pilotlights-+ 11 Selector switches-+ Push buttons -b 12 13 14 1 2 3 6 7 8 16 15 5 9 10 4