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10.4 List of System Registers (COM Communication)
10.4 List of System Registers (COM Communication)
Only system registers related to communication by COM0 port of the Control Unit and by COM
port of a Communication Cassette are listed below.
No.
Name
0
Sequence program area size
1
Internal relay area size
5
Counter starting address
Hold type area starting address for
6
timer / counter
Starting number of internal relay
7
hold type area
Hold type area starting number for
8
data registers
14
Holding the step ladder
Leading edge detection of the
4
differential instruction during MC
holds the previous value
Hold type area starting word
number for link relays for PLC link
10
W0-0
Hold type area starting word
number for Link relay for PLC link
11
W0-1
Hold type area starting number for
12
link data registers for PLC link W0-0 128
Hold type area starting number for
13
link data registers for PLC link W0-1 256
Disable settings for duplicated
20
output
Stop operation when an I/O
23
verification error occurs
Stop operation when calculating
26
error occurs
(Note 1)
System register no.0: The sequence program area capacity can be set only in off-line editing. To make
the setting effective, you need to download it to the Control Unit.
(Note 2)
System register no.0: If you change the sequence program area capacity, the capacity of the data
register DT will be changed.
(Note 3)
System register No.1: Select "4096" points if the internal relay capacity is required to be compatible
with the hold area when the power supply to the conventional FP-X Control Unit is turned off. There is
no setting for the FP-XH M8N Control Unit.
10-10
Default
16
32
(Note 3)
8192
1008
1008
504
C14: 12230
C30 /
C60:32450
Non-hold
Hold
64
128
Disable
Stop
Stop
Set value range and description
C14: 16k words (fixed)
Other than C14: 24, 32, 40k words
2)
4096, 8192
0 to 1024
0 to 1024
0 to 512
0 to 65533
Hold / Non-hold
Hold / Non-hold
0 to 64
64 to 128
0 to 128
128 to 256
Disable / Enable
Stop / Run
Stop / Run
WUME-FPXHCOMG-02
(Note 1)(Note
(Note 2)(Note 4)
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