Siemens SINUMERIK 840D sl Function Manual page 198

Several Operator Panels on Several NCUs, Distributed Systems (B3)
Supplementary conditions
2.14 Supplementary conditions
2.14.1 Several operator panels and NCUs with control unit management option
Configuration
The number of configurable control units/NCUs is only limited by the availability of bus
addresses on the individual bus segments of the different bus types.
The control unit management option permits linking of up to 9 control units on up to 9 NCUs.
2.14.2 Several operator panel fronts and NCUs, standard functionality
Possible configurations
● Configuration "2 operator panels and 1 NCU"
● Configuration "1 operator panel and up to 4 NCUs"
Operation of the M:N link
via the channel menu (see Section "Operator interface") selected via the "Channel
switchover" key.
The precondition for the channel menu is configuration via the NETNAMES.INI file (see
/IAD/, Commissioning Manual 840D).
The channel menu function is an option.
Bus connection
Address space: 0, ..., 31
Note
If an address > 15 is used, all components connected to the bus must be capable of
processing addresses between 0 and 31.
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One of the operator panels must be an OP030.
1 additional operator panel per NCU can be operated locally. If the link is set up via MPI,
only NCUs whose NC address can be specified can be used.
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Extended Functions