MECHATROLINK Communications Specifications
| Function Specification | MECHATROLINK-Ⅱ | MECHATROLINK-Ⅲ | MECHATROLINK-4 |
|---|---|---|---|
| Physical Layer | Equivalent to RS-485 | Ethernet | Ethernet |
| Transmission speed | 10 Mbps | 100 Mbps | 100 Mbps |
| Transmission Cycle Time＊ | 250 usec to 8ms | 31.25 usec to 64 msec | 15.625 usec to 64 msec |
| Data Size＊ | 17 bytes or 32 bytes (Both data sizes cannot be used at the same time) |
8/16/32/48/64 bytes (Different data sizes can be used at the same time) |
8 - 1492 bytes (Different data sizes can be used at the same time) |
| Maximum number of nodes＊ | C1 master : 1 C2 master : 1 max. Slave : 30 max. |
C1 master : 1 C2 master : 1 max. Slave : 62 max. |
Master : 8 max. Slave : 127 max. |
| Maximum Transmission Distance＊ | 50 m total (100 m with Repeater) |
100 m | 100 m |
| Topology | Bus | Cascade, Star | Cascade, Star |
| Cyclic Communication | Available | Available | Available |
| Event-driven Communication | None | Available | Available |
＊: Depends on product specifications.