Siemens SINUMERIK 840D sl Function Manual page 162

Several Operator Panels on Several NCUs, Distributed Systems (B3)
2.7 Axis container
Gantry grouping
Gantry axes cannot be axes in an axis container.
Drive alarms
When a drive alarm is active for a container axis, then the associated axis container cannot
rotate until the alarm cause has been eliminated.
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Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions