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Revised February-2016
Figure B-3. Modbus Configuration - History Table Tab
Review the values in the following fields:
3.
Field
Registers
History Index
Mode
DL8000 Preset Instruction Manual
Description
Indicates the specific Modbus register numbers the
system uses to acquire the Current Date (default of
7046), the Current Time (default of 7047), and the
Events/Alarms log (default 32).
The Current Date and Current Time values identify the
current date and time on the DL8000 and are most
useful if you want the date and time as floating point
numbers in the format DDMMYY and HHMM.
Note: Although you can define other values for these
registers, it is strongly suggested you use the
default values.
Indicates how the system handles requests for history
records from the history index. Valid values are:
EFM Extensions
Mode
Override Mode 1
Modbus Communications
Returns the history index as one
less than the value of the internal
history index and returns history
data for the index requested.
Returns the history index as the
B-9
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