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Token hold factor, Response timeout, Status db offset – ProSoft Technology 5201-DFNT-DH485 User Manual

Page 22: Command error db offset, Cif read db offset, Cif read count

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DH485 ♦ ProLinx Gateway

Configure the Module

DH485 Interface

Driver Manual


Page 22 of 44

ProSoft Technology, Inc.

August 27, 2009

3.4.4 Token Hold Factor

Range 0 to 31

Enter the number of transmissions (plus retries) that a node holding a token can
send onto the data link each time that it receives the token. Enter a value
between 0 and 31. The default is 1.

3.4.5 Response Timeout

Range 1 to 50

This parameter sets the number of 100 millisecond time intervals to wait for a
response to a request from the module. If the module does not receive the
response with in the time period specified, a timeout condition will be set for the
command.

3.4.6 Status DB Offset

Range -1 to 3980

This parameter sets the location of the status data for the port in the module’s
internal database. If the parameter is set to -1, the data is not placed in the
database. If a valid value is entered, the module’s status data will be placed in
the database starting at the location indicated.

3.4.7 Command Error DB Offset

Range -1 to 3900

This parameter sets the location of the command error list data for the port in the
module's internal database. If the parameter is set to -1, the data is not placed in
the database. If a valid value is entered, the module's error list data will be placed
in the database starting at the location indicated.

3.4.8 CIF Read DB Offset

Range -1 to 7500 (Only even values)

This parameter sets the starting byte location in the module's database where the
CIF file Read will be placed. This data is passed from CIF memory area to the
set location in the module's database. If this parameter is set to -1, no CIF read
data will be utilized. When the CIF Read Area is disabled (CIF Read DB Offset =
-1) or CIF Read Count = 0, the Debug menu shows this parameter as 65535.

3.4.9 CIF Read Count

Range 0 to 242

This parameters sets the number of bytes to transfer from the CIF file to the
database. The CIF write count will be calculated as (244 - CIF Read Count)

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