1794 Tb3G Wiring Diagram. It also includes instructions for connecting. Connect individual input wiring and associated signal returns to numbered terminals on. PLC Hardware AllenBradley 1794TB3G Flex I/O Terminal Base, 3Wire from www.plchardware.com Automation systems > distributed i/o and signal. This product profile provides an overview of the flex i/o. Flex i/o terminal base 3 […]