32-Bit Data Storage Setting - IDEC FT1A Series User Manual

5: S F
PECIAL UNCTIONS

32-bit Data Storage Setting

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.
Setting
From Upper Word (Default)
From Lower Word
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.
Device
Data Register
Special Data Register
Timer
Counter
Data : The following data composed of 32 bits is subject to this setting.
Device values of advanced instructions/FB 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/FB preset values
•
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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.
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.
D0 - D1999
D8000 - D8199
T0 - T199
C0 - C199
S AXIS P /L U
MART RO ITE
Description
Device Address
' M FT9Y-B1378
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