Siemens SINUMERIK 840D sl Function Manual page 127

II. Connections
Description of connections from the operator panel components to the NCU to be addressed.
An entry of the following type is required for each operator panel.
Table 2-2
Descriptive entry
Header
Next line(s)
Identifier:
identifier according to IV.
NCU_ID:
according to V.
Vocabulary words:
conn: Introduces connection entry
conn_i: Password for connection, i = 1, 2, ..., 8.
III. Description of bus
The hardware allows links to be implemented via different buses which are differentiated
mainly by their baud rates. The bus type used must be specified.
Table 2-3
Descriptive entry
Header
Next line
Vocabulary words:
param network Introduces descriptive entry for network
bus: Bus
opi: Operator panel front interface with 1.5 Mbaud
mpi: Multi Point Interface with 187.5 Kbaud
Note
The baud rate is automatically detected on the HMI Embedded.
Extended Functions
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Several Operator Panels on Several NCUs, Distributed Systems (B3)
2.3 Several operator panel fronts and NCUs, standard functionality
Description of connections
A descriptive entry for an operator panel front must be generated with the selected
A descriptive entry for the NCU must be generated with the selected NCU identifier
Description of bus
Formal
Identifier
[conn ]
NCU_ID
conn_i =
Formal
[param network]
bus = opi | mpi
Example
[conn MMC_1]
conn_1 = NCU_1
Example
[param network]
bus= opi
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