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FS-RA-CLX_SlotServer_Instruction_Manual_(T17011) Page 11 of 34
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6. Configuring the CPU interface to the SlotServer
6.1. CPU interface Description
The SlotServer Data Images (Data Arrays) share data with the ControlLogix CPU tags using
the backplane for communication and the FieldServer Logix driver. To map the Logix Driver,
the Driver needs to be configured in the SlotServer Configuration. The information that
follows details the configuration parameters that can be used for this driver. The driver can
only act as an I/O Server (Adapter) to a Control-Logix CPU.
Max Nodes Supported
SlotServer Mode Nodes Comments
Server 1 Only one IO image connection supported
6.2. Configuring the SlotServer as a Logix I/O Server
For a detailed discussion on SlotServer configuration, please refer to the FieldServer
Configuration Manual. The information that follows describes how to expand upon the
factory defaults provided in the configuration files included with the SlotServer (See “.csv”
sample files provided with the SlotServer).
The configuration file tells the SlotServer about its interfaces, and the routing of data
required. In order to enable the SlotServer for Logix communications, the driver
independent SlotServer buffers need to be declared in the “Data Arrays” section, the
SlotServer virtual node(s) needs to be declared in the “Server Side Nodes” section, and the
data to be provided to the Clients needs to be mapped in the “Server Side Map Descriptors”
section. Details on how to do this can be found below.
Note that in the tables, * indicates an optional parameter, with the bold legal value being the
default.
6.3. Data Arrays/Descriptors
The configuration file tells the SlotServer about its interfaces, and the routing of data
required. In order to enable the SlotServer for Logix communications, the driver
independent SlotServer buffers need to be declared in the “Data Arrays” section.
Section Title
Data_Arrays
Column Title Function Legal Values
Data_Array_Name Provide name for Data Array
Up to 15 alphanumeric
characters
Data_Array_Format
Provide data format. Each Data Array
can only take on one format.
Float, Bit, UInt16, SInt16,
Packed_Bit, Byte,
Packed_Byte,
Swapped_Byte
Data_Array_Length
Number of Data Objects. Must be
larger than the data storage area
required by the Map Descriptors for
the data being placed in this array.
For IO_Data_Type:
REAL 1-120
INT 1-244
SINT 1-492
DINT 1-120