UMI Accessory User Guide — UMI-7764 10 www.natinst.comShutdown/Inhibit All Terminal BlockThe UMI accessory has a 4-position terminal block for shutdown andinhibit all wiring. Refer to Figure 1 to help you locate the shutdown/inhibitall terminal block on your UMI-7764 accessory. See Figure 10 for moreinformation on shutdown/inhibit all wiring.Figure 10. Shutdown/Inhibit All Terminal Block Pin AssignmentsThe Inhibit All signal acts as a global inhibit, and, when asserted, activatesthe Inhibit Outputs. The Inhibit All signal includes a 3.3 kΩ pull-up resistoron its input. The Shutdown signal is passed through to the motion controllerand is typically used to disable the controller.Power Input Terminal BlockThe UMI-7764 has a 2-position terminal block for wiring power to the unit.Refer to Figure 1 to help you locate the power input terminal block on yourUMI-7764 accessory. Figure 11 shows the 2-position terminal blockpinout.Figure 11. 2-Position Power Input Terminal Block Pin AssignmentNote To properly operate your UMI-7764 accessory, you must supply a +5 V source tothe power input terminal block.Note The +5 V power is redistributed to other terminal blocks as an output power source.ShutdownInhibit AllNCDigital Ground+5 VDigital Ground