Mitsubishi Electric MELSEC-A Series Manual page 216

6
REPLACEMENT OF CC-LINK
(2) QnA/QnAS series
Item
Transmission speed
Max. cable overall
distance
(Max. transmission
distance)
Max. number of stations
(For master station)
Number of occupied
stations
(For local station)
Maximum number of link
points per system
Remote station/local
station
Link points per station
Communication method
Synchronous type
Encoding method
Transmission method
Transmission format
Error control system
Connection cable
RAS function
Number of parameter
registrations to
2
E PROM
Number of occupied I/O
points
6
- 3
Specifications
AJ61QBT11/A1SJ61QBT11
Can be selected
from 156kbps/625kbps/2.5Mbps/5Mbps/10Mbps.
Differs depending on the transmission speed.
(Refer to the manual.)
64 stations
Note that it has to be satisfied with the following conditions.
{(1 × a) + (2 × b) + (3 × c) + (4 × d)}
a: Number of 1-station occupied modules
b: Number of 2-station occupied modules
c: Number of 3-station occupied modules
d: Number of 4-station occupied modules
{(16 × A) + (54 × B) + (88 × C)}
A: Number of remote I/O stations
B: Number of remote device stations
C: Number of local stations, standby master stations and
intelligent device stations 26 stations
1 to 4 stations (Switched with
DIP switch)
Remote I/O (RX, RY) : 2048 points
Remote register (RWw) : 256 points
Remote register (RWr) : 256 points
Remote I/O(RX, RY) : 32 points (Local station: 30 points)
Remote register (RWw) : 4 points
Remote register (RWr) : 4 points
Broad cast polling method
Frame synchronization method
NRZI method
Bus (RS-485)
HDLC standards
16
CRC (X + X
CC-Link dedicated cable/CC-Link dedicated high-performance
cable/Ver.1.10 compatible CC-Link dedicated cable
• Automatic return function
• Slave station detach function
• Error detection with link special relay/register
10,000 times
32 points (I/O assignment:
special 32 points)
: Compatible,
QJ61BT11N
64
2304
64 stations
42 stations
1 to 4 stations (Switched with
GX Works2 or GX Developer
parameter settings)
Flag synchronization method
12 5
+ X + 1)
-
32 points (I/O assignment:
intelli 32 points)
: Partial change required, × : Incompatible
Compat- Precautions for
ibility replacement
GX Works2 or GX
Developer parameter
settings are required.
Nothing to be noted
though the methods are
different.
Refer to
Section 6.2.2.
GX Works2 or GX
Developer parameter
settings are performed
instead of the parameter
2
registration to E PROM.