SlotServer Configuration Manual
Page 33 of 37
ProSoft Technology, Inc. is the exclusive provider of FieldServer SlotServers.
For Technical Support call +1 661.716.5100
Appendix D.4.
Permissible Values for Configuration File Variables
Default and acceptable values for the different variables defined in the configuration file. Default values are
indicated in bold. Timing parameters are listed in seconds (0.003 would represent three milliseconds)
While this list contains acceptable variables for the FieldServer, some are not suitable for all configurations,
depending on the drivers used. Please see the Driver Manual for complete information regarding acceptable
variable values for specific drivers.
Note:
Titles in brackets indicate aliases
Appendix D.4.1.
Comm on Inform ation
Section Title
FieldServer
Column Title
Function
Legal Values
Title
Allows user to add title to main menu if desired. Title text may not
contain spaces
Title Text
Cache_Age;
(Cache_Age_Timeout)
When poll block caching is used, data previously polled and stored in an
internal data buffer is returned to the Server, providing the data is not
too old. This parameter specifies the length of time cached data is valid.
Time
in
seconds,
300s
Cache_Size*
Specify size of Cache
0-1000;
80
Cache_Time_To_Live
Used for Port Expansion. A cache is created for data from a Node for
which no Map Descriptor is configured. If this data is not accessed for
longer that the time specified by this parameter, the cache will be
cleared.
Time
in
seconds,
300s
Appendix D.4.2.
Data Arra ys
Section Title
Data_Arrays
Column Title
Function
Legal Values
Data_Array_Name
(DA_Name)
Provides name for Data Array
Up to 15 Alpha
Numeric Characters
Data_Format
Provides Data Format
Bit, Uint16, Sint16,
Uint32,
Sint32
or
BYTE; Specifies size of
source value when
scaling
Float;
specifies
floating point format
for preloaded data in
buffer.
Data_Array_Length
(Buffer_Length)
Number of Data Objects
0-10000
Data_Array_Function*
Special function for the Data Array
Refer to table in 0,
None
DA_Function_After_Store
If this parameter is specified, when a value different to the
current value is written to the Data Array it will be stored in
the SlotServer’s Non-Volatile Memory. On start-up this
value is loaded from the Non-Volatile Memory into the
Data Array. This value is stored 3 times a minute, so if more
writes than that are done, the values will be stored in the
Non-Volatile,
-
