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REMOTE SETPOINT INPUT
ALARM/TIMER INDICATORS

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 955-257 SECTION 2-FUNCTIONS 2.1 MODES OF OPERATION The controller can operate in one of two MODES i.e.  the OPERATOR mode or the TUNE mode.  This distinction is made  because  different  displays  appear  on  the  front  of  the  controller  for  each  mode  and  you  can  perform  different functions in each mode. The OPERATOR mode is the normal mode of operation.  It is explained in detail in Section 3.  The TUNE mode  is used for tuning and programming the controller prior to going on-line or during operation.  Tuning is explained in detail in Section 4. A third mode is used for calibration of the controller.  This CAL mode is explained in detail in Section 6.  The controller cannot operate while in the CAL mode. Before putting the controller into operation please read the rest of this section, which explains the display and keypad functions. 2.2 DISPLAY The front panel multicolor alphanumeric, vacuum fluorescent display provides all controller communications  with  the operator. CONTROLLER DISPLAY The  central  portion  of  the  display  is  blue  and  contains sixteen    alphanumeric    characters    in    two    rows    of    8 characters   each.      This   display   shows   key   words   to prompt and inform you during all phases of operation. 2.3 STATUS INDICATORS Yellow MODE and STATUS indicators on the right side of the display illuminate to indicate specific controller status. TUN - The yellow TUN indicator illuminates when the controller is in the TUNE mode. CAL - The yellow CAL indicator  illuminates  when  the  controller  is  in  the  CALIBRATION  mode.    All control functions except the alarms are inactive while in the CAL mode. REM (Steady) - The yellow REM indicator illuminates when the REMOTE SETPOINT option is included and in use.  See Section 3.4.  Also ON by computer command. REM (Flashing) - The yellow REM indicator will flash when a Digital Communications option is included and in use.  See Section 3.4. MAN (Steady) - The yellow MAN indicator will illuminate when the controller outputs are under manual control. ECLIPSE INSTRUMENTATION DIVISION page 3-1088







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