XB5AA31N Schneider Push Button Spring Return 1 NO Green Basic Components These are Metal Film Resistor

These are Metal Film Resistor with a value of 30k ohm 1/4W and tolerance of ±1%

Aluminum Foil Self Adhesive Tape is commonly known as foil tape

512B EEPROM

These are Carbon Film Resistor with a value of 510k ohm 1/4W and tolerance of ±5%

A differential output voltage is created on the other side of the A7800 optical isolation barrier

XB5AA31N Schneider Push Button Spring Return 1 NO Green Basic Components These are Metal Film ResistorHarmony XB5 modular green push button operates with a spring return impulse mechanism and uses screw clamp terminals. This push button provides simple and robust control to machines and processes. It is easily installed into standard 22mm diameter cut outs and connected with simple screw clamp connections. Its schematic is clearly distinguishable visually at a distance with clear colours and markings, minimizing errors during initial wiring and later