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15.8 Backup and Restoration
(2) High Performance model QCPU
*1 The file register in the Flash card installed to the CPU is always restored and overwritten without any notice.
*2 Whether to restore or not to restore the file register in the SRAM card or the standard RAM can be selected in the dialog box
displayed when the restoration is executed.
*3 When the file register is not restored, the existing file register is deleted and the program of the controller may not operate
properly.
When a problem occurs in the operation of the controller after the restoration, restore the data including the file register again.
*4 Only the backup operation is available.
(3) Universal model QCPU
*1 The file register in the Flash card installed to the CPU is always restored and overwritten without any notice.
*2 Whether to restore or not to restore the file register in the SRAM card or the standard RAM can be selected in the dialog box
displayed when the restoration is executed.
*3 When the file register is not restored, the existing file register is deleted and the program of the controller may not operate
properly.
When a problem occurs in the operation of the controller after the restoration, restore the data including the file register again.
*4 Only the backup operation is available.
Item Description File name
Parameter Parameter to operate the PLC PARAM.QPA
Intelligent function
module parameter
Parameter for the intelligent function module IPARAM.QPA
Program Program for the operation by the CPU (including SFC) ***.QPG
Device comment Device comment to be stored to the PLC ***.QCD
Boot setting file Batch file to start a program from the ROM or others AUTOEXEC.QBT
Device initial value Initial value setting of devices ***.QDI
File register
*1
File register data ***.QDR
Sampling trace file
*2
Sampling trace data to collect the specified device data
continuously at the specified timing
***.QTD
Failure history data
*2
Record of the self check results ***.QFD
Programmable controller
user data
Data created by users and stored to the memory card ***.*** (Any name)
Item Description File name
Parameter Parameter to operate the PLC PARAM.QPA
Intelligent function
module parameter
Parameter for the intelligent function module IPARAM.QPA
Program Program for the operation by the CPU (including SFC) ***.QPG
Device comment Device comment to be stored to the PLC ***.QCD
Boot setting file Batch file to start a program from the ROM or others AUTOEXEC.QBT
Device initial value Initial value setting of devices ***.QDI
File register
*1
File register data ***.QDR
Sampling trace file
*2
Sampling trace data to collect the specified device data
continuously at the specified timing
***.QTD
Programmable controller
user data
Data created by users and stored to the memory card ***.*** (Any name)
File for storing device
data
Device data that the SP.DEVST and S.DEVLD instructions use DEVSTORE.QST
Drive headline sentence Drive headline sentence QN.DAT
Remote password Remote password setting 00000000.QTM
Monitor sequence
extension
Data to speed up the monitoring from other stations MONITOR.Q0*
Latch data backup file
The file where the backup data is stored by the latch data backup
function to the standard ROM
LCHDAT00.QBK
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