Siemens SIDOOR ATD4 W Series System Manual page 320

Appendices
A.1 Structure of user data/process data
The table below describes the assignments of the bits in control word 1.
Table A-13
Bit
0
1
2
3
4
5
6
7
8
9
10
11 ... 15
The following overview describes the relevant bits in control word 1. See also Figure 5-4
Sequential control state graph (Page 163).
Table A-14 Explanation of bits in STW1
Bit Description
0 ON / OFF1
Note: The positive edge is decisive here (0 → 1).
1 OFF2
(drive coasts down)
2 OFF3
(Rapid stop of the
drive)
3 Operation enable
(drive start)
7 Acknowledge fault
Note: The positive edge is decisive here (0 → 1).
318
Control word 1 (STW1)
Description
ON / OFF 1 (0 → 1)
OFF2 (coast down of the drive), after a ramp down the motor is switched to the free-running
mode (deenergize).
OFF3 (rapid stop of the drive)
Operation enable (drive start)
Reserved
Reserved
Reserved
Acknowledge fault (0 → 1)
Reserved
Reserved
Control by PLC
Reserved
Val‐ Remarks
ue
1 Switch drive ready for operation (master switched on and voltage ready)
0 Not ready for switching on (master switched off and voltage off)
Shutdown according to defined ramp → corresponds to stop
1 OFF2 command is canceled
Does not run down to standstill
0 Coast down motor (coasts down to a standstill) → After a ramp down the motor is
switched to the free-running mode (deenergize).
1 OFF3 commands are canceled
0 Motor stop
1 Execution of drive orders (evaluation of technology control words)
0 No execution of drive orders
1 Acknowledge fault
0 No significance
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA