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47DT OPERATING MANUAL EM-9508-B Rev.7
2.2.2 INSTRUCTIONS ON BASIC OPERATION
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SUB DISPLAY
• Alarm setpoints and bank No. can be confirmed in Measuring Mode.
• Maximum 7 alphanumeric characters show a parameter ID in each Setting Mode. Refer to each OPERATING PROCE-
DURE, 38.3 PARAMETER LIST and 38.4 PARAMETER MAP for the display.
• The sub display is hereafter called SD.
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LOCKOUT LEVEL
• Alarm Setting Mode and Advanced Setting Mode have 3 lockout levels. Configurable parameters depend on the levels.
All parameters can be configured with ‘LV0’, partial parameters cannot be configured with ‘LV1’, and all cannot with ‘LV2’.
• The lockout level ‘LV0’ or ‘LV1’ is shown in each OPERATING PROCEDURE in Alarm Setting and Advanced Setting
Modes. Refer to 34. LIMITING BUTTON OPERATION to change the lockout level.
Configurable with the level ‘LV0’.
Configurable with the level ‘LV0’ or ‘LV1’ (default).
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INVALID PARAMETERS
• ‘NG’ indicator starts blinking when a parameter is within invalid range. Return the setting within the valid range.
• Setting the following parameters beyond the setting range is invalid: device address, T1.5 and T3.5 timers.
• Setting the negative sign (-) to a digit other than the leftmost one is invalid.
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IF THE FRONT BUTTONS ARE LEFT UNTOUCHED…
• The indication turns on with applying the last changes after the specified time period (default: 15 sec.) while it is in the
setting standby mode.
• The display goes back automatically to Measuring Mode after the specified time period (default: 15 sec.) in one of the
other modes.
• This time period (automatic return time) is configurable. (Refer to 16. GOING BACK AUTOMATICALLY TO MEASURING
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TO ABORT A SETTING…
• Hold down Max/Min button for 1 second or more, and the blinking setting value will be turned on without applying the last
changes.
• If you get lost in a setting mode, you can execute initialization. (Refer to 37.2 INITIALIZING SETTING VALUES.)
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IN MOVING ON TO EACH SETTING MODE FROM MEASURING MODE
• The last measured values or status are held for the DC and alarm outputs, and the BCD output is indefinite.
• Some alarm indicators turn on with parameter display. The alarm indication is due to the last status before mode transi-
tion held but does not show the unit failure.
• Mode transition is not available while ‘P.ERR’ is indicated. Eliminate the cause of the error and operate again. Refer to
37.1 ERROR MESSAGES for details.
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ORDER TO DISPLAY PARAMETERS
• Some parameters may not be displayed depending on the lockout settings, I/O option and DC output.
• Refer to 7. PARAMETER CONFIGURATION for details.
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TO TURN OFF POWER
• Delay power off for 10 seconds or more after changing of settings.
