With 32 isolated digital output channels, each able to connect to up to 64 modules, MN-3257 allows I/O of Motionnet system to be expandable to 2,048 output channels. Communication time required by each MN-3257 is 15.1 µs. If 64 modules have been connected, signals for 2,048 points on 64 modules can be sent and received within 0.97 msec. Motionnet I/O devices can be connected with PC and machines to transmit data and support communication speed up to 20 Mbps.