Special I/O and communications units for DeviceNet, serial communications, and other network communications.
There are 3 products of CPU Bus Units.
Hi-speed I/O link based on EtherCAT
The Serial Communications Units That Enable High-speed Connections with External Devices. This unit is available for CJ/NJ controller.
Smallest in the Industry! A DeviceNet Unit for the CJ Series that Boasts Industry-leading Performance and Functions