Specifications

153
Overview of CC-Link
■With Ver. 2, the cyclic data size can be increased through extended cyclic setting.
Differences Between Versions 2 and 1
CC-Link Ver. 1 specification
Number of linked
points for each
occupied station
number
1station occupied
2station occupied
3station occupied
4station occupied
Number of connected modules
Item Specification
Remote I/0（RX、RY）：2048 points each
Remote I/0（RX、RY）：32 points each
Remote I/0（RX、RY）：32 points each
Remote I/0（RX、RY）：64 points each
Remote I/0（RX、RY）：96 points each
Remote I/0（RX、RY）：128 points each
Remote register（RWw）：256 words
Remote register（RWw）：4 words each
Remote register（RWw）：4 words each
Remote register（RWw）：8 words each
Remote register（RWw）：12 words each
Remote register（RWw）：16words each
Remote register（RWr）：256 words
Remote register（RWr）：4 words each
Remote register（RWr）：4 words each
Remote register（RWr）：8 words each
Remote register（RWr）：12 words each
Remote register（RWr）：16 words each
①Total number of stations
（1×a）＋（2×b）＋（3×c）＋（4×d）≦64
a: Number of modules of 1 occupied station, b: Number of modules of 2 occupied stations,
c: Number of modules of 3 occupied stations, d: Number of modules of 4 occupied station
②Number of connected modules
（16×A）＋（54×B）＋（88×C）≦2304
A: Number of modules of remote I/O station Max. 64 modules
B: Number of remote device stations Max. 42 modules
C: Local station, waiting master station, intelligent device station Max. 26 modules
CC-Link Ver. 2 specification
Maximum number of link points
Number of link
points per station
Remote I/0（（RX、RY）
Remote register（RWw）
Remote register（RWr）
1station
occupied
Number of Linked points for each occupied station number
2station
occupied
3station
occupied
4station
occupied
Remote I/0（（RX、RY）
Remote register（RWw）
Remote register（RWr）
Remote I/0（（RX、RY）
Remote register（RWw）
Remote register（RWr）
Remote I/0（（RX、RY）
Remote register（RWw）
Remote register（RWr）
Remote I/0（（RX、RY）
Remote register（RWw）
Remote register（RWr）
Expanded cyclic setting
Number of connected modules
Single Double Quadruple Octuple
Item Specification
Remote I/0（RX、RY）：8192 points each, Remote register（RWw）： 2048points , Remote register（RWr）：2048points
①Total number of stations
（a＋a2＋a4＋a8）＋（b＋b2＋b4＋b8）×2＋（c＋c2＋c4＋c8）×3＋（d＋d2＋d4＋d8）×4≦64
②Number of input/output points of all remote stations
（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
③Number of all remote register words
（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 of single setting of 1 occupied station
c ：Number of modules of single setting of 3 occupied station
a2：Number of modules of double setting of 1 occupied station
c2：Number of modules of double setting of 3 occupied station
a4：
Number of modules of quadruple setting of 1 occupied station
c4： Number of modules of quadruple setting of 3 occupied station
a8：Number of modules of octuple setting of 1 occupied station
c8：Number of modules of octuple setting of 3 occupied station
④Number of connected modules
（16×A）＋（54×B）＋（88×C）≦2304
A: Number of modules of remote I/O station Max. 64 modules
B: Number of remote device stations Max. 42 modules
C: Local station, waiting master station, intelligent device station Max. 26 modules
b ：Number of modules of single setting of 2 occupied station
d ：Number of modules of single setting of 4 occupied station
b2：Number of modules of double setting of 2 occupied station
d2：Number of modules of double setting of 2 occupied station
b4：
Number of modules of quadruple setting of 2 occupied station
d4： Number of modules of quadruple setting of 4 occupied station
b8：Number of modules of octuple setting of 2 occupied station
d8：Number of modules of octuple setting of 4 occupied station
32 points each
4 words
4 words
32 points each
8 words
8 words
64 points each
16 words
16 words
128 points each
32 words
32 words
32 points each
4 words
4 words
32 points each
8 words
8 words
64 points each
16 words
16 words
128 points each
32 words
32 words
64 points each
8 words
8 words
96 points each
16 words
16 words
192 points each
32 words
32 words
384 points each
64 words
64 words
96 points each
12 words
12 words
160 points each
24 words
24 words
320 points each
48 words
48 words
640 points each
96 words
96 words
128 points each
16 words
16 words
224 points each
32 words
32 words
448 points each
64 words
64 words
896 points each
128 words
128 words
Master/Local
Remote I/OAnalog
High-Speed
Counters
PositioningHMIRepeatersRS-232
Interfaces
OptionSoftwareOthers
Technical
Information
CC-Link
-
CC-Link / LT
Bridge Modules
Support PC
Interfaces
Peripheral
Device
Connection
*②and ③are Ver. 2 mode only; calculation is necessary.
* There is no change in the cable and wiring specification for CC-Link Ver. 2. Use Ver. 1 cable for the connection of Ver. 2 devices. For details of cable wiring specification, refer to pages 152 and 154.
Maximum number of link points
Number of link points per station