Siemens SINUMERIK 840 Planning Manual page 111

Computer link, general description
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06.91
The information on the basis of which the SINUMERIK driver interprets and/or generates the
SINUMERIK-specific part of the message frames is stored In input list 1, output list 1 and in
the format list. The structure of these lists is identical with that of input list 1, output list 1 and
the format list of the bus interface module (see figures "Structure of input list 1" and
"Structure of output list 1"). They have been explained in Section 7.1.3 above.
The connection-related data which is required by the device management is stored in the
addressing list and in the list of interfaces.
Addressing list
In this list the SINUMERIK-internal connection identifier, which is symbolized by logical nodes,
is assigned to the corresponding interface and its defined AS 512 parameters, if the AS 512
protocol is implemented. The interface list specifies whether or not the serial interface is
configured with the AS 512 protocol. The addressing parameters and the data for the AS 512
header, if any, are entered in the addressing list. The structure of the addressing list is repre-
sented in the diagram "Structure of addressing list".
If a serial interface is configured without the AS 512 protocol, only one logical partner may be
assigned to this interface. Several logical partners can be assigned to an interface by means of
the AS 512 parameters (co-ordination flag, data block, data word).
In input direction the interface number and the corresponding AS 512 parameters - if
configured - assigned to a logical partner serve as search key.
Interface no.
(AS 512 parameter)
In output direction the logical partner which is assigned to an interface with the corresponding
AS 512 parameters - if configured - serves as search key.
Log. partner
© Siemens AG 1989 All Rights Reserved
SINUMERIK 840/880 (PJ)
Log. partner
Interface no.
(AS 512 parameter)
6FC5 197-0AB20-0BP0
7 Configuration and Test
7.1.4 SINPS 315
7–7

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