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MELSEC-Q
3 SPECIFICATIONS
3
(Continued from preceding page)
Specifications
Item
QJ71C24N
QJ71C24
QJ71C24N-R2
QJ71C24-R2
QJ71C24N-R4
RS-232 RS-422/485
DTR/DSR (ER/DR) control Enabled Disabled
RS/CS control Enabled Disabled
CD 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
(Connection) (
2)
RS-422/485 1:1, 1:n, n:1, m:n — 1:1, 1:n, n:1, m:n
MC protocols
communication
1:1, 1:n, m:n 1:1
Non procedure
protocol
communication
1:1, 1:n, n:1 1:1
RS-
232
Bidirectional
protocols
communication
1:1 1:1
—
MC protocols
communication
1:1, 1:n, m:n 1:1, 1:n, m:n
Non procedure
protocol
communication
1:1, 1:n, n:1 1:1, 1:n, n:1
Line configuration
(Data
communication)
(
2)
RS-
422/
485
Bidirectional
protocols
communication
1:1
—
1:1
RS-232
Maximum 15 m
(49.2 ft.)
Maximum 15 m
(49.2 ft.)
—
Transmission
distance (Overall
distance)
RS-422/485
Maximum 1200 m (4592.4 ft.)
(overall distance)
—
Maximum 1200 m (4592.4 ft.)
(overall distance)
Flash ROM write count Maximum 100,000 times to the same area
Number of occupied I/O points 32 points per slot (I/O assignment: Intelli: 32 points) ( 3)
RS-232
7/0. 127
P HRV-SV Outside diameter 8.5mm (0.33in.) or more
(Oki Electric Cable Co., Ltd. Applicable number is specified in
.)
Recommended
cable
RS-422/485
SPEV (SB)-MPC-0.2 3P Outside diameter approx. 6.5mm (0.26 in.) (Mitsubishi Cable Industries, LTD.)
SPEV(SB)-0.2
3P Outside diameter approx. 7.5mm (0.3 in.) (Mitsubishi Cable Industries, LTD.) ( 4)
Applicable connector for external wiring D-sub 9 pin (male) screw type ( 5) —
5V DC internal current consumption 0.31A 0.26A 0.39A
External dimensions 98 (3.86 in.) (H) 27.4 (1.08 in.) (W) 90 (3.54 in.) (D)[mm]
Weight 0.20kg (0.44lb)
1 Set to transfer data with external devices using a full-duplex communication system when the Q series C24
is started. For switching to a half-duplex communication system, refer to the User’s Manual (Application).
2 Indicates possible combinations when connecting the PLC CPU and external devices (external device
side: PLC CPU side). The total number of n and m+n is up to 32 stations.
3 In order to use the Q series C24, it is necessary to set the GX Developer switches.
To set the GX Developer switches, refer to section 4.5.
4 Recommended cables SPEV (SB)-MPC-0.2 3P and SPEV (SB)-0.2 3P are equivalent in the electrical
characteristics, but partially different in the outside diameter, internal wire colors, etc.
5 See Section 3.2.1 (3) for the recommended connector.