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4.1
INITIAL OPERATION
After you have completed the electrical installation (see
chapter) and turned on the device, the
N20K48
Modular Controller
display will show the software version number for the first few seconds. After that, it will display the
Indication Screen. It shows the PV (Process Variable) and SP (Setpoint) values and flags that inform specific conditions of
the controller and monitored process.
You can see the controller front panel and basic display information in the figure below:
Front panel
4.1
DISPLAY INFORMATION
The
N20K48 Modular Controller
front panel elements are listed below:
•
Main Display
: The Indication screen, in white, displays the PV (Process Variable) value. When in configuration, it
shows the identifying symbols (mnemonics) of the parameters that must be set.
•
SP/Parameters Display
: The Indication screen, in green, displays the SP (Setpoint) value. When in configuration, it
shows the values set for the various parameters.
•
PROG Flag:
Indicates that a program is running.
•
MAN Flag:
Indicates that the controller is in Manual Control mode (
CTR
=
MAN
).
•
STOP Flag:
Indicates that the control is disabled (
RUN
=
No
). That is, the device is not in operation.
•
RUN Flag:
Indicates that the control is enabled (
RUN
=
YES
). That is, the device it is in operation.
•
OUT1 and OUT2 Flags:
Indicates the condition of outputs A and B.
•
TUNE Flag:
Indicates that an Auto-tuning process is in progress.
•
A1, A2, A3 and A4 Flags
: Indicates that there are alarm events.
•
°C Flag
: Indicates that the temperature measurement was set in Celsius.
•
°F Flag
: Indicates that the temperature measurement was set in Fahrenheit.
•
Flag:
Indicates that configuration protection is enabled.
•
T1 and T2 Flags
: Indicates that there is a timer configured.
•
Bluetooth Flag
: Indicates that the controller is connected to the
QuickTune Mobile
application.
•
Rx/Tx Flags
: Flashes whenever the controller exchanges data with the communication network.
4.2
KEYBOARD
The
N20K48 Modular Controller
front panel has the following keys:
•
Key
: Key used to advance the parameters and parameter cycles.
•
and
Keys
: Keys used to increment and decrement values. Used to change parameter values and/or condition.
•
Key
: Key used to regress the parameters during setup and, when available, to perform special functions.
4
OPERATION