Start-Up Procedure; Control Keys; Led Statuses; General Key Functions - Bühler technologies Pressotronik PT77 Guía Rápida

Pressotronik PT77

5.1 Start-up procedure

The device will automatically switch on when connected to
power. It will first briefly display the software version, at
which time the device will also check the built-in components.
The display will then switch to displaying measurements.
The following describes the function of the display and control
unit:
LEDs

Control keys

If an error message appears in the display during operation,
please refer to the Troubleshooting table under chapter "Ser-
vice and Repair".

5.2 LED statuses

LEDs above the measurement display indicate the status of
the switching outputs. The LEDs are permanently assigned to
the switching outputs.
The following table shows the factory settings:
LED 1 – yellow
Status switching output 1
LED 2 - red
Status switching output 2 (if applicable)
LED 3 – yellow
Status switching output 3 (if applicable)
LED 4 – red
Status switching output 4 (if applicable)
LED 5 – yellow
Status switching output 5 (if applicable)
LED 6 – red
Status switching output 6 (if applicable)
The switching characteristics of the LED (on if switching con-
tact closed or open) can be changed.

5.3 General key functions

The keys below the display are used for operation.
The menu controls are detailed in the following chapters.
Key Mode Function
• Measure- Toggles the display unit.
ment dis-
play:
Move down one menu level.
• In the menu:
Move up one menu level.
• At the end of
the menu:
The display indicates the end of the
menu.
10 Bühler Technologies GmbH
Key Mode
Display
60 s
no ac-
tion
To select a menu item and to enter values:
• Open the main menu with the
• Select the submenu with the
• If necessary, select the next submenu with the
• Select the desired menu item with the
• Set the value with the
• Select the menu item EXIT to exit the submenu and con-

5.4 Keylock enabled

With the keylock enabled, selecting the menu with the
will display
digit will be indicated by a dot.
• Use the
If the wrong code is entered, the device will return to the
measurement display. If you forgot the password you can al-
ways enter master code 287 to access the menu.
You can cancel the keylock under Loc in submenu Basic Set-
tings Advanced Options b.EF and enter 000 to reset the code.
Function
Confirm and save a numerical value
• Following in-
entered or a function selection. The
put/selec-
display will flash if a parameter has
tion:
been changed.
• Measure- Displays the configuration.
ment dis-
play:
Scroll up menu item, numerical
• In the menu: value or function selection. Holding
the key will continuously scroll.
• Measure- Go to main menu.
ment dis-
play:
Scroll down menu item, numerical
• In the menu: value or function selection. Holding
the key will continuously scroll.
• In the menu: Exit the main / sub / drop-down
+
menu and return to displaying the
measurement without saving
changes to the parameters.
• In the menu: Move to the next higher menu level.
+
• In the menu: Exit the main / sub/ drop-down
menu.
submenu with the key.
keys and open with the
open the list of values with the
and
the key. The new settings will the saved and the device
will return to the submenu.
firm with the key. The device will return to the next
menu level up or to the measurement display.
in place of the main menu. The active
and keys to enter the code and confirm with
the key. The active digit will move one place to the
right. After entering the 3rd digit the main menu will
open.
key.
and keys and open the
and
key.
and keys and
key.
keys and confirm with
BX130003 ◦ 02/2021
key