Productivity3000 local I/O expansion module Productivity3000 local I/O expansion module  Ref: P3-EX
Productivity3000 local I/O expansion module, installs in the CPU slot of each expansion base and connects to the CPU, remote slave or previous expansion base with the P3-EX-CBL6 cable (supplied). (maximum of four P3-EX bases per local or remote base group)