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).
Once the sequence of the first four status words has been processed correctly, the ACU
is ready for operation (dark table
area).
In state “operation enabled” (0xnnnF), the state of the Motion Control can be changed
(white table area).
Bit 4 “Start electronic gear” must be active during the movement. If bit 4 is reset to “0”,
the movement is interrupted.
As long as 0x0007 is active, the “Modes of Operation” can also be changed safely. Once
Override Modes Of Operation
1454
has been set to another value, operation can be
started with a corresponding sequence.
Bit 5 “Start Position Correction” is only allowed to be used when the Slave is in gear
(Status word Bit 10).
Bit 5 “Start Position Correction” should be used for optimum results when the master
drive doesn’t move.
When Bit 5 of the Control word is reset to “0” the movement is interrupted.
10/13
ACU
Modbus/TCP 119
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