A.1.2.7 TZW1 - Technology status word 1
Table A-23 Technology status word 1 (TZW1)
TZW1
15 … 9 8 7 … 6 5 … 4 3 … 0
DPOS DBLCW
AIT
DBLOCK DMODE DSTAT
DSTAT signal
The DSTAT signal is located in the low nibble of the low byte of TZW1 (bits 0 to 3). It has an
enumerative structure and is assigned the door status (DSTAT).
Table A-24 DSTAT signal
DSTAT signal
word
Name Description
0 Undened Door status is unknown.
1 Motor not energized Motor current-free (deenergized)
2 Closing The door system is moving in the learnt closing direction
3 Opening The door system is moving in the learnt opening direction
4 Stopped (source
voltage brake)
The door system is stopped. The motor is energized with 50%
PWM.
5 Closed The door system is completely closed.
6 Open The door system is completely open.
7 Error The door system is in an error state
…
16 Reserved
DMODE signal
The DMODE signal is located in the low byte of TZW1 (bits 4 to 5). It has an enumerative structure
and is assigned the door mode (DMODE) .
Table A-25 DMODE signal
DMODE signal
value
Name Description
0 Normal mode Both end positions determined after power on, ready to run
1 Initial mode Both end positions must be determined after power on
2 Learn run mode Both end positions and other door properties are determined
3 Special mode The system is in an error state or special mode (system is shut‐
ting down, powering up or saving safety-related parameters)
Appendices
A.1 Structure of user data/process data
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA 323
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