Mitsubishi QJ71BR11 User Manual

3 - 2 3 - 2
MELSEC-Q
3 SPECIFICATIONS
Remote master station Remote I/O station
Item
QJ71LP21 QJ71LP21G QJ71LP21GE QJ71LP21-25 QJ71LP21S-25 QJ72LP25-25 QJ72LP25G QJ72LP25GE
Voltage
—
20.4 to 31.2 V
DC
—
Current
—
0.20 A
—
Size of terminal
screw
—
M3 Screw
—
Suitable crimp
terminal
—
R1.25-3
—
Suitable cable size
—
0.3 to 1.25
mm
2
—
External
Power
Supply
Tightening torque
—
0.42 to 0.58
N•m
—
5 V DC internal current
consumption
0.55 A 0.89 A
Weight 0.11 kg 0.20 kg 0.15 kg
1: The remote master station includes the multiplexed remote master station and multiplexed remote sub-master station.
2: On a multiplexed remote I/O network, one of 64 remote I/O stations works as a multiplexed remote sub-master station.
3: The optical fiber cable (A-2P-
) differs in interstation distance between the L and H types. Refer to Section 4.8.1 for details.
3.1.2 Coaxial cable system performance specifications
Table 3.2 shows the performance of the coaxial bus system.
Table 3.2 Coaxial cable system performance specifications
Remote master station Remote I/O station
Item
QJ71BR11 QJ72BR15
LX/LY 8192 points
LB
16384 points (Remote master station
remote sub-master station, remote I/O station: 8192 points, remote sub-master
station, remote I/O station
remote master station: 8192 points)
Maximum
number of links
LW
16384 points (Remote master station
remote sub-master station, remote I/O station: 8192 points, remote sub-master
station, remote I/O station
remote master station: 8192 points)
Maximum number of links per
station
• Remote Master Station
Remote I/O station ((LY + LB)/8 + (2 LW)) ≤ 1600 bytes
1
• Remote I/O station Remote Master Station ((LX + LB)/8 + (2 LW)) ≤ 1600 bytes
• Multiplexed remote master station multiplexed remote sub-master station ((LY + LB) /8 + (2 LW)) ≤ 2000 bytes
Maximum I/O points per remote I/O
station
X + Y ≤ 4096 points
If the X/Y numbers are duplicate, only one side is taken into consideration.
M 8192 points
SM 2048 points
D 12288 points
Device points per
remote I/O
station
SD 2048 points
Communication speed 10 Mbps
Number of stations per network
33 stations (Remote master stations: 1 Remote I/O stations: 32)
2
3C-2V
300 m (Between stations 300 m)
3
Overall distance
5C-2V
500m (Between stations 500 m)
3
Can be extended up to 2.5 km with the use of a repeater (A6BR10,A6BR10-DC)
Maximum number of networks 239 (Total including PLC to PLC networks)
Transmission method Single layer bus
Communication method Token bus
Synchronization method Frame synchronization
Coding method Manchester code
Transmission format HDCL standards (Frame format)
Error control CRC (X
16
+ X
12
+ X
5
+ 1) and retry by timeover
RAS functions
• Station separation function due to error detection or cable disconnection
• Diagnostic function for checking local link lines
• Detection using link special relays or link special registers
• Configuring a redundant power supply on a remote I/O station
• Online module change in a remote I/O station
Application function • Remote password for remote I/O station
Transient transmission
• 1:1 communication (Monitor, program upload/download, etc.)
• Various send/receive commands from the PLC program (READ/WRITE,REMFR/REMTO)
Maximum number of cards per CPU 4 cards —
Number of I/O points 32 points (Intelligent function module: 32 points) —
5 V DC internal current consumption 0.75 A 1.10 A
Weight 0.11 kg 0.16 kg
1: The remote master station includes the multiplexed remote master station and multiplexed remote sub-master station.
2: On a multiplexed remote I/O network, one of 32 remote I/O stations works as a multiplexed remote sub-master station.
3: There are restrictions on the interstation cable length depending on the number of connected stations. Refer to Section 4.8.2 for
details.
3

Mitsubishi QJ71BR11 Specifications

General

Brand	Mitsubishi
Model	QJ71BR11
Category	Controller
Language	English