Mitsubishi Electric M800VW Series Programming Manual page 930

M800V/M80V Series PLC Programming Manual (2/2)
16 External PLC link
16.1 CC-Link
Item
The number of occupied
1 to 4 stations (Select by parameter)
stations (Local stations)
Transmission speed Can select from 156 kbps / 625 kbps / 2.5 Mbps / 5 Mbps / 10 Mbps (Select by parameter)
Communication method Polling method
Synchronous method Frame synchronization method
Encoding method NRZI method
Transmission path Bus (conforming to EIA RS485)
Transmission format Conforms to HDLC
Error control system
CRC (X
Ver. 1.10
Ver. 2.00
Maximum number of con-
nected stations
<Note>
 For checking the number of modules to connect, the check sheet can be downloaded from CC-Link Partner
Assorciation's website.
Check it in advance.
URL http://www.cc-link.org/
Remote station No. 1 to 64
CC-Link master/local module
16 12 5
+ X + X + 1)
64 modules. Note that the following conditions must be satisfied.
Condition 1:
 (1×a) + (2×b) + (3×c) + (4×d) ≤ 64
a: Number of modules occupying 1 station, b: Number of modules occupying 2 stations
c: Number of modules occupying 3 stations, d: Number of modules occupying 4 stations
Condition 2:
 (16×A) + (54×B) + (88×C) ≤ 2304
 A: Number of remote I/O stations ≤ 64
 B: Number of remote device stations ≤ 42
 C: Number of local stations, standby master stations, intelligent device stations ≤ 26
64 modules. Note that the following conditions must be satisfied.
Condition 1:
 (a+a2+a4+a8) + (b+b2+b4+b8) × 2 + (c+c2+c4+c8) × 3 + (d+d2+d4+d8) × 4 ≤ 64
 (a×32+a2×32+a4×64+a8×128) + (b×64+b2×96+b4×192+b8×384) +
(c×96+c2×160+c4×320+c8×640) + (d×128+d2×224+d4×448+d8×896) ≤ 8192
 (a×4+a2×8+a4×16+a8×32) + (b×8+b2×16+b4×32+b8×64) + (c×12+c2×24+c4×48+c8×96) +
(d×16+d2×32+d4×64+d8×128) ≤ 2048
a: Number of modules that occupy 1 station which are set to "Single".
b: Number of modules that occupy 2 stations which are set to "Single".
c: Number of modules that occupy 3 stations which are set to "Single".
d: Number of modules that occupy 4 stations which are set to "Single".
a2: Number of modules that occupy 1 station which are set to "Double".
b2: Number of modules that occupy 2 stations which are set to "Double".
c2: Number of modules that occupy 3 stations which are set to "Double".
d2: Number of modules that occupy 4 stations which are set to "Double".
a4: Number of modules that occupy 1 station which are set to "Quadruple".
b4: Number of modules that occupy 2 stations which are set to "Quadruple".
c4: Number of modules that occupy 3 stations which are set to "Quadruple".
d4: Number of modules that occupy 4 stations which are set to "Quadruple".
a8: Number of modules that occupy 1 station which are set to "Octuple".
b8: Number of modules that occupy 2 stations which are set to "Octuple".
c8: Number of modules that occupy 3 stations which are set to "Octuple".
d8: Number of modules that occupy 4 stations which are set to "Octuple".
Condition 2:
 {(16×A) + (54×B) + (88×C) } ≤ 2304
 A: Number of remote I/O stations ≤ 64
 B: Number of remote device stations ≤ 42
 C: Number of local stations, standby master stations, intelligent device stations ≤ 26
909 IB-1501668-B