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App-178
*9: Function version is B or later.
*11: The module whose first 5 digits of serial No. is "04012" or later.
*12: The module whose first 5 digits of serial No. is "07032" or later.
*13: The module whose first 5 digits of serial No. is "09012" or later.
TableApp.4.8 Special register
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD774
to
SD775
PID limit setting
(for complete
derivative)
0: With limit
1: Without limit
• Specify the limit of each PID loop as shown below.
UNew
Qn(H)
QnPRH
QnU
SD774
PID limit setting
(for complete
derivative)
0: With limit
1: Without limit
• Specify the limit of each PID loop as shown below.
UNew
Q00J/Q00/Q01
*9
SD778
Refresh
processing
selection when
the COM/
CCOM
instruction is
executed
b0 to b14:
0: Do not
refresh
1: Refresh
b15 bit
0: Communication
with CPU
module is
executed
1: Communication
withCPU
module is
nonexecuted
• Selects whether or not the data is refreshed when the COM instruction is
executed.
• Designation of SD778 is made valid when SM775 turns ON.
• Refresh between multiple CPUs by COM instruction is performed under
the following occasion.
Receiving operation from other device: b4 of SD778(refresh in the CPU
shared memory) is turned to 1.
Sending operation from host CPU : b15 of SD778(communication with
peripheral device is executed/nonexecuted) is turned to 0.
UNew
Q00J/Q00/Q01
*9
Qn(H)
*11
• Selects whether or not the data is refreshed when the COM instruction is
executed.
• Designation of SD778 is made valid when SM775 turns ON.
• Refresh between multiple CPUs by COM instruction is performed under
the following occasion.
Receiving operation from other device: b4 of SD778(refresh in the CPU
shared memory) is turned to 1.
Sending operation from host CPU : b15 of SD778(communication with
peripheral device is executed/nonexecuted) is turned to 0.
• When b2 (refresh of the CC-Link IE controller network and
MELSECNET/H) of SD778 is 1, the CC-Link IE controller network and
MELSECNET/H perform refresh.
Therefore, if there are many refresh points, processing time for the COM
instruction will be extended.
UNew
Qn(H)
*13
QnPH
*12
QnPRH
SD774
SD775
b15
to
to
Loop2
Loop18
Loop1
Loop17
b1 b0
Loop16
Loop32
SD774
b15
to
toto
b1 b0b7b8
Loop8 Loop2 Loop1
b0b1b2b3b4b5b14b15
0
to
I/O refresh
CC-Link refresh
MELSECNET/H
refresh
Automatic refresh of
intelligent function
modules
Execution/non-
execution of
communication with
CPU module
Automatic refresh of
CPU shared memory
(Fixed to "0" for
Redundant CPU)
0/10/10/10/10/10/1
SD778
b0b1b2b3b4b5b6b14b15
0
to
I/O refresh
CC-Link refresh
CC-Link IE controller
network or
0/10/10/10/10/10/10/1
SD778
Automatic refresh of
intelligent function
modules
Execution/non-
execution of
communication with
CPU module
Reading input/output
from group outside
multiple CPU system
Auto refresh using the
multiple CPU high speed
transmission area of
multiple CPU system
MELSECNET/H refresh