Functions - Siemens SINUMERIK 840D sl Function Manual

Several Operator Panels on Several NCUs, Distributed Systems (B3)
Brief description
Number of MCPs/HHUs on 1 NCU
Two MCPs and one HHU can be connected to the OPI or MPI interface of an NCU as
standard.
Note
The MPI/OPI network rules outlined in the "SINUMERIK 840D Commissioning Manual" must
be applied.
In particular, an M:N system must be connected up by means of cables fitted with
terminating resistors (identifiable by switch with which these are switched in and out).
2.1.2.4

Functions

Defining properties
The assignment of HMI properties can be static or dynamic.
Static properties
Static system properties are configured in the file NETNAMES.INI. They become effective on
power up and cannot be changed during runtime.
Static properties include:
● Assignment of bus nodes - bus system
● Combination of different bus systems (OPI, MPI)
● Assignment of HMI - NCU (which PCUs/HT6s can monitor which NCUs)
● MCP switchover
● Suppression priorities at switchover (see below)
● Utilization properties:
86
– Control unit is alarm/data management server
– Control unit is main or secondary control panel
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Extended Functions