News

STA20 Operating Instructions: BDE-D & BDE-M Control Units

Operating Instructions - Electronic Control Unit BDE-D & BDE-M | STA20

Operating Instructions

Model: STA20 / BDE-D & BDE-M

4. Selection of Operating Modes (BDE-D)

The electronic control unit with display (BDE-D) has been designed to operate the automatic sliding door installation.

The electronic control unit BDE-D is a user-friendly input/output module to control and customize (optional) the system operation. The backlit LCD display informs about the system status by means of symbols and plain text. Error messages are displayed as text.

Table 1: BDE-D Operating Modes
Operating Mode Function Description
Automatic
  • Unobstructed access through the system in both directions.
  • Maximum opening width.
Continuously open
  • System remains open until another operating mode is selected.
One-way
  • System opens only in one direction (e.g., for shop closing time).
Locked
  • System is closed and locked (if there is a locking device).
  • System remains locked even in case of power failure.
Reduced opening width
  • Unobstructed access through the system in both directions.
  • Reduced opening width.
NOTICE

The reduced opening width is also effective with operating modes One-way and Continuously open.

4.1 Selection of Special Functions

Table 2: Key Operations for Manual Mode & Single Opening
Function Action Description
Manual mode Press key twice
  • System opens/stops on 2nd keystroke.
  • System can be operated manually.
  • Return: Activation of the selected key (e.g. Automatic).
Manual mode (Temporary) Press key for 2 seconds
  • System can be operated manually.
  • Return: Activation of the selected key (e.g. Automatic).
Single opening System is locked
  • 1 keystroke unlocks the system (if available).
  • An opening/closing cycle is performed.
  • Once closed, system locks again.

4.2 Locking the Control Panel with the Keyboard

Key Sequence

Table 3: Locking and Unlocking the Control Unit
Action Description
Locking the control unit
  • Undesired manipulation of the control unit is hindered.
  • Panel is locked.
  • Locked status of the BDE-D is displayed.
Unlocking the control unit
  • Free selection of operating modes and special functions is ensured.
NOTICE

The installation remains in the mode of operation previously selected.

4.3 Locking the Control Unit with a Key (Option)

The control panel BDE-D can be efficiently protected against unauthorized changes of operating mode by an additional key switch.

4.4 Selection of Operating Modes (BDE-M)

The mechanical operating unit BDE-M is equipped with a key switch. Different operating modes can be set with this key switch. The operating switch can be pulled off in any position.

4.5 BDE-M Keys and Functions

Table 4: BDE-M Key Functions
Operating Mode Function
Automatic mode with total opening width This operating mode is the standard operating mode. Through triggering of e.g., Radar, the door opens. After the pre-set door time delay, the door closes.
Continuously open and manual mode Door opens and stays in open position. The door can be moved manually.
One-Way The door opens only through a triggering of e.g., radar which is on the inside of the door, or through an optional key operated contact (SSK).
Locking The door will be locked after a completed closing. The door can only be opened with the last pre-set opening width through a key operated contact (SSK).
Caution: During a Power loss the opening of a locked door might be only possible with an optional battery pack or a manual locking device!

4.5.1 Operating Mode Display

The BDE-M has only 1 LED. The LED is lighting if mains voltage or battery voltage is available.

4.5.2 Reset-Button

This hidden button will be actuated with a 25 mm long paper clip. Therefore there is a little hole in the middle of the logo.

If the reset-button is pressed for about 5 seconds, a software-reset will happen. The pre-set settings remain unaffected.

© 2026 Automatic Systems. All rights reserved.

Document Ref: BAL_SYS20_EN_2V6

Previous
STA20 Automatic Door Technical Data & Specifications
Next
Record_STA20 20 Manual Opening & Closing: Emergency Failure Guide

Leave a Comment

Your email address will not be published.