8 Station variants
8.1 Definition of Terms
Gateway XN-312-GW-CAN 06/16 MN050003-DE
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8 Station variants
8.1 Definition of Terms
Figure 90:
Station variant definitions
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Station variants
The "station variants" operating mode on the XN300 gateway is based on
a "full configuration" and one or more "reduced assemblies," i.e., one or
more subsets of the full configuration. This mode makes it possible to
keep addressing an unchanged full configuration on the field bus side
even when there is a reduced assembly on the gateway's module side.
•
Full configuration
Configured maximum setup for the XN300 gateway. This full configura-
tion is used to define the addresses that should be used to communi-
cate with the individual XN300 slice modules independently of which
XN300 slice modules are actually physically connected to the XN300
gateway.
•
Reduced assembly
The term "reduced assembly" refers to a permissible subset of the full
configuration. In special cases, a reduced assembly may actually be the
same as the full configuration.
•
Actual configuration
The XN300 slice modules that are physically present and currently being
used with the gateway.
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Target configuration
The target configuration is the configuration for the XN300 slice modules
on the system bus that is read by the XN300 gateway and stored in its
memory when the gateway is switched on with DIP switch 9 = "OFF."
8.2 Reason why this mode was implemented
The "station variants" operating mode enables users – and OEM users in par-
ticular – to use a variety of increasingly expanding XN300 system configura-
tions with the XN-312-GW-CAN gateway without having to make changes to
the corresponding user program.
To get started, the user needs to create a PLC program with an XN300 gate-
way as a CANopen node. This XN300 gateway needs to be created with the
desired full configuration with all XN300 slice modules in the program.
Station variants
Full configuration
Reduced assembly
Содержание XN-312-GW-CAN
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