Detailed descriptions of interface signals
4.8 Axis / spindle-specific signals
Parameter Manual
414
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
Meaning The drive signals back to the PLC which drive parameter set is presently
active.
With bit combinations A, B and C, 8 different drive parameter sets can be
selected.
The following assignment applies:
Drive parameter set C B A
1
2
3
4
5
6
7
8
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Application Drive parameter switchover can be used, for example, for the following:
• To change the gear stage
• To change over the measuring circuit
corresponding to ... DB380x DBX4001.0 to 2 (parameter set selection)
Note for the reader Commissioning Manual, Turning and Milling
DB390x
DBX4001.5
Drive ready
Signal(s) to drive (NCK → PLC)
Edge evaluation: No Signal(s) updated: Cyclic
Signal state 1 Feedback signal from the drive to the PLC that the drive is ready.
Signal state 0 The drive is not ready.
The drive might be disabled for the following reasons:
• Drive alarm active (e.g. motor temperature has reached switch-off
threshold).
• DC link voltage is too low.
• Drive has not yet reached the cyclic state.
• Hardware fault present.
• No position measuring system is active ("parking axis" state).
• I/R is not switched on.
As soon as the drive is not ready, it is stopped (depending on the fault state
either with pulse disable or fast stop) or pulses remain disabled while
powering up.
The interface signals:
DB2700 DBX2.6 (drive ready)
DB390x DBX1.7 (current controller active)
DB390x DBX1.6 (speed controller active)
are also withdrawn.
Note for the reader Commissioning Manual, Turning and Milling
DB390x
DBX4001.6
Speed controller integrator disable
Signal(s) to drive (NCK → PLC)
Edge evaluation: No Signal(s) updated: Cyclic
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