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MELSEC
3 SPECIFICATIONS
3.2 Performance Specifications
MELSECNET/H Board performance specifications are shown below.
(1) Q80BD-J71LP21-25, Q81BD-J71LP21-25, Q80BD-J71LP21S-25,
Q80BD-J71LP21G, Q80BD-J71LP21GE
Specifications
Item
Q80BD-J71LP21-25
Q81BD-
J71LP21-25
1
Q80BD-J71LP21S-25 Q80BD-J71LP21G Q80BD-J71LP21GE
LX/LY 8192
Points
LB
16384 Points (When in the MELSECNET/10 Mode
2
: 8192 Points)
Maximum links
in 1 network
LW
16384 Points (When in the MELSECNET/10 Mode
2
: 8192 Points)
Maximum links in 1 station
• MELSECNET/H mode, MELSECNET/10 mode
2
{(LY + LB) / 8 + (2 LW)}
≤
2000 bytes
• MELSECNET/H Extended mode
2
{(LY + LB) / 8 + (2 LW)}
≤
35840 bytes
Communications rate
2
25 Mbps / 10 Mbps
10 Mbps
Number of stations
Connected to 1 network
64 Stations (Control station: 1; Normal station: 63)
Connection cable
Optical fiber cable
Total extension cable length
30km (98430 ft.)
25 Mbps
SI optical cable
: 200m (656.2 ft.)
H-PCF optical cable
: 400m (1312.4 ft.)
Broad-band H-PCF optical cable : 1km (3281 ft.)
QSI optical cable :
1km
(3281 ft.)
— —
Between
stations
length
3
10 Mbps
SI optical cable :
500m
(1640.5 ft.)
H-PCF optical cable :
1km
(3281 ft.)
Broad-band H-PCF optical cable : 1km (3281 ft.)
QSI optical cable :
1km
(3281 ft.)
GI optical cable
: 2km (6562 ft.)
62.5 GI optical cable
: 2km (6562 ft.)
Maximum networks
239
Maximum number of groups
32 (When in the MELSECNET/10 Mode: 9)
Transmission channel format
Duplex loop
Communications system
Token ring system
Synchronization system
Frame synchronization system
Encoding system
NRZI encoding (Non return to Zero inverted)
Transfer format
HDLC Standard (Frame format)
Error control system
CRC (X
16
+ X
12
+ X
5
+ 1) and retry by overtime.
RAS function
• Loop back function (optical loop system only) by abnormal detection and cable disconnection.
• System down prevention through control station.
• Error detection by the link special relay and link special register.
etc.
Transient transmission
N: N communications
Special cyclic transmission
Low speed cyclic transmission
Number of boards that can be
installed
Maximum 4 boards
Installation slot
PC PCI bus slot
(half size)
PC PCI
Express
R
X1, X2, X4,
X8, X16 slot
(half size)
PC PCI bus slot (half size)
Exclusive slots
1 slot
2 slot
1 slot
Voltage
—
20.4 to 31.2 V DC
—
Current
—
0.16 A
—
Connector
—
Connector set
(Accessory)
—
External
power
supply
Suitable cable
size
—
0.50 to 1.25 mm
2
[AWG#20-16]
—
5 V DC Internal current
consumption
0.46 A
—
0.46 A
0.45 A
3.3 V DC Internal current
consumption
— 0.95
A —
—
Weight
0.10 kg
0.20 kg
0.11 kg
3
Summary of Contents for Q80BD-J71BR11
Page 2: ......
Page 24: ...A 22 A 22 MEMO ...
Page 50: ...4 6 4 6 MELSEC 4 FUNCTION MEMO ...
Page 92: ...6 36 6 36 MELSEC 6 PROCEDURE AND SETTINGS UP TO THE POINT OF OPERATION MEMO ...
Page 132: ...10 2 10 2 MELSEC 10 MELSEC DATA LINK LIBRARY MEMO 10 ...
Page 138: ...11 6 11 6 MELSEC 11 PROGRAMMING MEMO ...
Page 164: ...12 26 12 26 MELSEC 12 APPLICATION FUNCTIONS MEMO ...
Page 166: ...13 2 13 2 MELSEC 13 ERROR CODE MEMO 13 ...
Page 223: ......