11.4 Motion control configurations
Dangerous state due to new mode!
If
Override Modes Of Operation 1454 is changed during operation (control word =
0xnnnF), a dangerous state may occur in the new mode.
• Before changing
Override Modes Of Operation 1454
,
check the status word
(e.g. for status 0xnn33).
Definition Motion Control
For the full function of the Motion Control Interfaces/Motion Control Override, you will
have to set Local/Remote 412 = “1-
Control via state machine”. In all other operation
modes of parameter Local/Remote 412
, there are major restrictions. The descriptions
in this chapter and of all objects used are based on the setting Local/Remote 412
=
“1-Control via state machine”.
The usage of Positioning for setting Local/Remote 412 ≠ 1 is described in the “Posi-
tioning” application manual.
The function of the state machine describes the basic operating behavior of the fre-
quency inverter in configurations with position control (Configuration 30
parameters described in 11.2 “Control via state machine”, i.e. Control word 410
Status word 411 support the bits marked as operation mode specific.
These bits and bit “Target reached” have different meanings in the different position
control operation modes – defined by Override Modes Of Operation 1454. The fo
l-
lowing chapters describe the application of the operation mode specific bits in the
control word
and
status word
, depending on the different position control operation
modes. Default value of Override Modes Of Operation 1454: “2 – velocity mode”.
The state machine must be set to “operation enabled”, before the position command
can be issued via the operation mode specific bits of the
control word
.
The bits in the
control word
and
status word
marked as operation mode specific are
only supported in configurations with position control (Configuration 30 = x40).
76
ACU
Modbus/TCP 10/13
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