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3 SPECIFICATIONS
(Continued from preceding page)
Model name
Item
LJ71C24 LJ71C24-R2
Parity check
Selected for all protocols and when this check is enabled, ODD or EVEN is selected by a parameter.
Error detection
Sum check code
For the MC or bidirectional protocol, selected by a parameter.
For the predefined protocol, whether or not a sum check code is needed depends on the selected protocol.
For the nonprocedural protocol, selected in the user frame.
RS-232
RS-422/485
DTR/DSR
control
Enabled
Disabled
RS/CS
control
Enabled
Disabled
CD(DCD) signal control
Enabled
Disabled
DC1/DC3 (Xon/Xoff) control
DC2/DC4 control
Enabled Enabled
Transmission control
•
DTR/DSR signal control and DC code control are selected by the user.
RS-232 1:1
1:1
Line configuration
of connection
(External device
side: CPU module
side)
RS-422/485
1:1, 1:n, n:1, m:n
—
MC protocol
communication
1:1 1:1
Predefined protocol
communication
1:1 1:1
Nonprocedural
protocol
communication
1:1 1:1
RS-
232
Bidirectional
protocols
communication
1:1 1:1
MC protocols
communication
1:1, 1:n, m:n
Predefined protocol
communication
1:1, n:1
Nonprocedural
protocol
communication
1:1, 1:n, n:1
Line configuration
of data
communication
(External device
side: CPU module
side)
RS-
422/
485
Bidirectional
protocols
communication
1:1
—
RS-232
Maximum 15 m
Maximum 15 m
Transmission
distance (Overall
distance)
RS-422/485
Maximum 1200 m
(overall distance)
—
Flash ROM write count
Maximum 100,000 times to the same area
Number of occupied I/O points
32 points (I/O assignment: Intelli: 32 points)
5V DC internal current consumption
0.39A
0.26A
External dimensions
90 (H)×28.5 (W)×95 (D)[mm]
Weight 0.17Kg
0.14Kg
1 Set to transfer data with external devices using a full-duplex communication system when the C24 is
started. For switching to a half-duplex communication system, refer to the User's Manual (Application).
3
Содержание MELSEC LJ71C24
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Страница 18: ...A 16 A 16 INDEX REVISIONS WARRANTY...
Страница 22: ...A 20 A 20 2 LJ71C24 R2 LJ71C24 R2 Before Using the Product...
Страница 23: ...A 21 A 21 MEMO...
Страница 38: ...4 2 4 2 4 PROCEDURES PRIOR TO OPERATION MEMO 4...
Страница 105: ...7 30 7 30 7 SETTINGS FOR THE C24 MEMO...
Страница 391: ...App 62 App 62 APPENDIXES 3 Refresh parameter setting In Refresh Parameter set the following network parameters...
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