16-11
16 Other Functions
CP2E CPU Unit Software User’s Manual(W614)
16-
3 DM B
a
c
k
u
p
Fu
nct
ion
16
16-
3
-2 Proced
ure
Perform the following procedure to save the DM data to the built-in Flash Memory during operation or
while stopped.
1
Check the
Re
s
tore D0- from backup memory
Check Box in the
Startup Data Read
Area of the
PLC Setup from the CX-Programmer.
Also, set the number of words to be backed up starting from D0 in the
Number of CH of DM for
backup
Box. Transfer the PLC Setup to the CPU Unit and turn ON the power supply.
2
Turn ON A751.15 (DM Backup Save Start Bit) from the CX-Programmer, a Programmable Ter-
minal (PT), or a ladder program.
The specified number of words in the DM Area starting from D0 will be backed up to the built-in
Flash Memory.
•
Using a Ladder Program
When the saving operation has been completed, A751.14 (DM Backup Save Flag) will turn OFF.
16-3-2 Procedure
Exec
u
tion condition
A751.15
DM Back
u
p Sa
v
e
Start Bit
DM Back
u
p Sa
v
e
Start Bit
(A715.15)
O
N
One cycle
Back
u
p started
Back
u
p finished
OFF
O
N
OFF
DM Back
u
p Sa
v
e
Flag
(A751.14)
Exec
u
tion Bit is t
u
rned O
N
to start
b
ack
u
p.
Summary of Contents for SYSMAC CP Series
Page 3: ......
Page 32: ...1 Overview 1 4 CP2E CPU Unit Software User s Manual W614 ...
Page 44: ...3 CPU Unit Operation 3 8 CP2E CPU Unit Software User s Manual W614 ...
Page 116: ...6 I O Allocation 6 8 CP2E CPU Unit Software User s Manual W614 ...
Page 144: ...7 PLC Setup 7 28 CP2E CPU Unit Software User s Manual W614 ...
Page 170: ...10 Interrupts 10 14 CP2E CPU Unit Software User s Manual W614 ...
Page 200: ...11 High speed Counters 11 30 CP2E CPU Unit Software User s Manual W614 ...
Page 272: ...12 Pulse Outputs 12 72 CP2E CPU Unit Software User s Manual W614 ...
Page 278: ...13 PWM Outputs 13 6 CP2E CPU Unit Software User s Manual W614 ...
Page 460: ...18 Programming Device Operations 18 28 CP2E CPU Unit Software User s Manual W614 ...
Page 576: ...Revision 2 CP2E CPU Unit Software User s Manual W614 ...
Page 577: ......