Settings; Diagnostics; Actual Position Reset; Homing Sequence - ABB ACS800 Firmware Manual

92

Settings

Parameter
78.04

Diagnostics

Actual signals
02.21

Actual position reset

You can reset the actual position value
sequence or manually through parameters.

Homing sequence

The Homing function is used to calibrate the actual position value
PPU to a reference value. You have to do the homing sequence from the EXT1
control location. You have to configure parameter
homing activation input, homing acknowledgement signal in parameters
HOMING ACK SEL and
and the drive is in EXT1, the message "HOMING ACTIVE" is displayed.
The homing reference has to be configured in parameter
sign of the homing reference is only considered when the Start command does not
define the direction.
The Start command can be issued with the EXT1 start/stop control; you have to
decide the direction according to the present position and the homing
acknowledgement signal position 02.28. The homing sequence will be completed
when the homing acknowledge signal gets activated and the drive stops
automatically. The message "HOMING DONE" will be displayed when the homing is
completed.
The actual position will be initialized to the position set in parameter
POSITION. For initializing the position value via the fieldbus, see application control
word

Manual reset of actual position

Manual reset of actual position
homing sequence:
- EXT1 mode selected (stand-alone)
- Enable par
- Enable par
Actual position value 02.21 is defined with par
default).
- Disable par
- Disable par
Program features
Additional information
Settings of the position scale
Additional information
Actual Position
10.22
03.34 APPL CONTROL WORD
10.21 HOMING SEL PTR
10.15 HOMING ACK SEL
10.21 HOMING SEL PTR
10.15 HOMING ACK SEL
(02.21 POS ACT PPU) by using the Homing
10.21
HOMING ACK PTR. When the homing signal is active
bit 1 on page 276.
02.21 POS ACT PPU (mm) without running the
+.000.000.00 -> C.1
NOT SEL -> RESET
78.10
C.1 -> +.000.000.00
RESET -> NOT SEL
02.21 POS ACT
HOMING SEL PTR to the
10.15
11.14 HOMING REF. The
78.10
HOME POSITION (0 mm by
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