IDEC MICROSmart FC6A Series, User Manual

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5: F
UNCTIONS AND
S
ETTINGS
5-56 FC6A S
ERIES
MICROS
MART
U
SER
’
S
M
ANUAL
FC9Y-B1722
32-bit Data Storage Setting
This section describes the methods of storing 32-bit data in data registers.
Function Specification
When the double-word, long, or float data type is selected for the source or destination device, the data is loaded from or stored
to two consecutive data registers. The order of the two devices can be selected from the following two settings in the
Function
Area Settings .
Devices
When the devices listed below are used as a double-word device, two consecutive devices are processed according to the 32-bit
data storage settings.
Setting Description
From Upper Word (Default)
When a data register, timer, or counter is used as a double-word device, the high-word data is loaded from
or stored to the first device selected. The low-word data is loaded from or stored to the subsequent
device.
This is identical with the 32-bit data storage of OpenNet Controller and FC4A/FC5A MICROSmart.
From Lower Word
When a data register, timer, or counter is used as a double-word device, the low-word data is loaded from
or stored to the first device selected. The high-word data is loaded from or stored to the subsequent
device.
Device Device Address
Data Register D0 - D7999, D10000 - D61999
Special Data Register D8000 - D8899
Non-retentive Data Register D70000 - D269999
Counter C0 - C511
Data: The following data composed of 32 bits is subject to this setting.

Device values of advanced instructions with the data processing units D (double word), L (long), F (float)

Pulse output preset values and current values

High-speed counter function current values, preset values, and reset values

Frequency measurement values in frequency measurement

Double word counter instruction preset values