Mitsubishi Melsec-L Series User Manual page 30

Item
Parity check
Error detection
Sum check code
Transmission control
3
Line configuration RS-232
of connection
(External device
RS-422/485
side: CPU module
side)
MC protocol
communication
Predefined protocol
communication
RS-
Nonprocedural
232
protocol
communication
Line configuration Bidirectional
of data protocols
communication communication
(External device
MC protocols
side: CPU module
communication
side)
Predefined protocol
communication
RS-
Nonprocedural
422/
protocol
485
communication
Bidirectional
protocols
communication
Transmission RS-232
distance (Overall
RS-422/485
distance)
Flash ROM write count
Number of occupied I/O points
5V DC internal current consumption
External dimensions
Weight
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 - 2
LJ71C24
Selected for all protocols and when this check is enabled, ODD or EVEN is selected by a parameter.
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.
DTR/DSR control
RS/CS control
CD(DCD) signal control
DC1/DC3 (Xon/Xoff) control
DC2/DC4 control
• DTR/DSR signal control and DC code control are selected by the user.
1:1
1:1, 1:n, n:1, m:n
1:1
1:1
1:1
1:1
1:1, 1:n, m:n
1:1, n:1
1:1, 1:n, n:1
1:1
Maximum 15 m
Maximum 1200 m
(overall distance)
Maximum 100,000 times to the same area
32 points (I/O assignment: Intelli: 32 points)
0.39A
0.17Kg
(Continued from preceding page)
Model name
LJ71C24-R2
RS-232
Enabled
Enabled
Enabled
Enabled
Maximum 15 m
90 (H)×28.5 (W)×95 (D)[mm]
3 SPECIFICATIONS
RS-422/485
Disabled
Disabled
Disabled
Enabled
1:1
—
1:1
1:1
1:1
1:1
—
—
0.26A
0.14Kg
3 - 2