Features • Units to feed in additional Unit power and I/O power to an NX-series remote I/O terminal. • Screwless clamp terminal block significantly reduces wiring work. • Space-saving 12 mm wide units. • The NX Unit Power Supply Unit allows expansion of the I/O configuration beyond the maximum power supply capacity of the EtherCAT Coupler • The I/O Power Supply Unit is used when the total allowed I/O current per feed terminal is exceeded, or to split I/O power into groups. • The I/O Power Connection Unit can be used as an additional power supply terminal for connected sensors and actuators. • The FG Terminal Expansion Unit can be used as ground terminal for wire shields. • The screwless terminal block is detachable for easy commissioning and maintenance