23-4
PPC Manual Revision 1
Chapter 23: D Registers (Holding Registers)
23.3 Classification of D Registers
Classification of D Register Map Tables
The table on next page outlines how the D registers are classified by their numbers in the
D register map tables.
CAUTION
• No data can be written to or read from blank parts of the data storage area by
communication.
The PPC5 sometimes does not operate properly if an attempt is made to write to
or read from blank parts of the data storage area.
Setting a Value with a Decimal Point
When setting a value with a decimal point from the host computer, set a value
Note
The PPC5 determine the decimal point position by the parameter setting.
Example: When setting a target setpoint “50.0” from the host computer
Set “1F4” which is a hexadecimal value of “500” (50.0 excluding the decimal
Target setpoint “50.0”: P.DP = 1
Target setpoint “5.00”: P.DP = 2
Target setpoint “500”: P.DP = 0
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