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CHAPTER 3 SPECIFICATIONS
3
3.6 Memory Configuration and Use
3.6 Memory Configuration and Use
There are two memories in the QD73A1.
: Data setting and storage, : No data setting and storage
The following table describes each memory area.
Memory
configuration
Use
Area configuration
Parameter
area
Monitor
data
area
Control
data
area
Positioning
data area
Zero/gain
adjustment
data area
Reference value
storage area for
accumulated
pulse error
detection function
Backup
Buffer memory
Area that can be
accessed directly
from the CPU
module using
sequence programs
Data in this
memory cannot
be backed up.
Data are erased
if the power is
turned off.
Flash ROM
Area used to back
up zero/gain
adjustment data
Data in this
memory can be
backed up.
Data are kept
even if the
power is turned
off.
Area name Description Reference
Parameter area
Area used to set and store parameters for positioning, such as positioning parameters
and OPR parameters
Page 75, Section 5.2
Page 79, Section 5.3
Monitor data area Area where operating statuses of a positioning system are stored Page 85, Section 5.5
Control data area Area used to set and store data to operate or control a positioning system Page 89, Section 5.6
Positioning data area Area used to set and store positioning data Page 82, Section 5.4
Zero/gain adjustment data area Area used to set and store data for zero adjustment and gain adjustment –
Reference value storage area for
accumulated pulse error detection function
Area used to store the reference value for the accumulated pulse error detection
function
–