ProCom or MACH-ProSys controller. Each MACH-ProPoint Input expansion module features 24 universal inputs. MACH-ProPoint Input expansion modules can be mixed with standard MACH-ProPoint expansion modules in any combination on a single I/O-Net trunk. A maximum of 8 expansion modules can be connected to a single MACH-ProCom controller. Up to 7 expansion modules can be added to a MACH-ProSys controller. A single MACH-ProCom or MACH-ProSys controller can accommodate a maximum of 128 inputs and 128 outputs.
