The Siemens CP5412 card provides a low
level interface using the proprietary Siemens L2 protocol. The
following Citect drivers need the CP5412 card: PROFI, SINECFDL,
SINEC.
To use this protocol an L2 interface module must be used in the
PLC. The Simatic S5-95u has an inbuilt L2 inteface which works with
the SINECFDL driver. The Simatic S5-115u and S5-135u can have a
CP5430TF or CP5431FMS interface module. The TF interface module is
used with the SINEC or SINECFDL drivers, although SINECFDL requires
specialized Comms Function Blocks which are not yet available.
(Function Blocks at present are only provided for the 95u). The FMS
interface module works with the PROFI driver. The FMS interface
could also communicate with the SINECFDL driver if the Comms
Function Blocks were available.
There is also a variation on the CP5412 card, the CP5412A2 .
Currently Citect does not have support for this card. CIT shall be
investigating the use of our existing protocol drivers with this
card when the required low level drivers become available.
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