User Reference Guide SST-PB3S-CLX-RLL
40 Slave Functionality
©2014 Molex Inc. Industrial Products Business Unit, Integrated Products Division
Document Edition: 1.0, Document #: 715-0109, Template Edition: 1.1, Template #: QMS-06-045
Use, duplication or disclosure of this document or any of the information contained herein is subject to the restrictions on page ii of this document.
The following table shows the additions to the CLX config table that support the DP slave
functionality:
Table 20: Additions to CLX Config Table Supporting DP Slave Functionality
If 2, the module comes online automatically after powerup
and enters the mode that the CLX processors is in (RUN or
PROG)
This register configures enables the slave mode. See the
ScannerConfig Register table (follows this table).
The length of slave receive data (in words)
The length of slave transmit data (in words)
If 0, the DP slave Rx data will be mapped into the CLX Input
file at word offset 2.If set to a non-zero value, it specifies the
word offset into the CLX Input file where the slave Rx data
should be mapped.
If 0, the DP slave Tx data will be mapped into the CLX
Output file at word offset 2. If set to a non-zero value, it
specifies the word offset into the CLX Output file where the
slave Tx data should be mapped.
"LocStn" defines the Slave’s local station number. The valid
range is 1-125.
"Baud" defines the slave’s baud rate. The following table
defines the valid PFB network rates and the corresponding
value that is written into the Baud register.
BAUD Rate Register Value
BAUD_9k6 0
BAUD_19k2 1
BAUD_93k75 2
BAUD_187k5 3
BAUD_500k 4
BAUD_1m5 6
BAUD_3m 7
BAUD_6m 8
BAUD_12m 9
BAUD_45k45 11
This option does not apply to the slave only module and can
be left at 0.
Table 21: AUTORUN / LEGACY_ID_0876 Register (Local:Slot:C:Data[1].1)
If set, Profibus ID 0x0876 will be used instead of
0x0EC7 for backward compatibility.
If set, AUTORUN is enabled. The Slave will come online
automatically after powerup.
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