DNT-T221-FCU Application Guide
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•
Navigate to the desired item and use the arrow buttons to make any necessary changes. Once the
changes are made press Next or Previous to save and move to the next option.
•
After 30 minutes, the BACstat exits the Service Tool Mode and returns to normal display mode.
Any outputs commanded manually remain in manual. A subsequent user command (
CtL
) is
required to put the BACstat and associated outputs back under control (or Auto).
Service Tool Menu Options
Service Tool Mode contains one menu.
Menu
Item
Description
Displayed on line 2 of the LCD (center screen) to indicate you are at the Main
menu of the Service Tool Mode.
[
Option
]
Service Tool Mode has these following main menu options, which you rotate
through using the arrow keys. Press the Next or Previous buttons to select the
option and navigate the submenus.
•
To calibrate Inputs AI1 to AI3 as compared to an external measuring
device. Navigate past the inputs you don’t wish or need to calibrate.
•
To manually command AV1 to AV3 (0-100% for tri-state or PWM, and
Off or On for binary outputs), associated with OP1 to OP3 respectively.
This allows for end-to-end commissioning of output devices. Navigate
past the outputs you do not need to command. (When outputs are
defined as tri-state in the Configuration menu, modifications can only be
made to the primary output – the other output cannot be modified.)
•
To exit Service Tool mode (Yes or No). At any time within the Service
Tool menus, if you do not press a button within 30 minutes the device
will automatically revert to its normal display mode (but retains manually
commanded outputs.
Input Calibration
MS/TP Connection
The inputs are typically calibrated in their associated local AI objects. These same calibration fields are
also mapped to variables (AV16 to 18) to allow other vendors in a multi-vendor installation to calibrate the
inputs. The inputs may also be calibrated right at the BACstat using the Service Tool Menu.
