Siemens SINUMERIK 840D sl Function Manual page 132

Several Operator Panels on Several NCUs, Distributed Systems (B3)
2.3 Several operator panel fronts and NCUs, standard functionality
Note
Please note:
• Bus address 13 must be reserved for servicing purposes (and should not be assigned
• HMI Embedded:
• HMI Advanced:
Data exchange between NC<->PLC
In configurations consisting of 1 x PCU and n x NCUs, it is often necessary to synchronize
the NCUs.
The following synchronization options are available:
● NCK I/Os on drive bus (digital, analog, writing of NC and PLC).
● PLC I/Os (I/O link).
● Link via PROFIBUS DP.
● Link via Global Data function of SIMATIC S7.
132
to a bus node).
The length of the names in the file NETNAMES.INI (configuration of channel menu) is
limited to five characters.
The "mstt_address" data item is not evaluated, it is used for documenting the bus
nodes. If the channels are located on different NCUs, "m:n" must be entered in the
Commissioning/HMI/Operator panel operating area.
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions