Faulty Pinout description:

It should read
S ................Pin 3
middle ......GND if appropriate resistor is welded on the board
_ ................ GND to be used with an appropriate external resistor
Faulty Pinout description:

It should read
S ................Pin 3
middle ......GND if appropriate resistor is welded on the board
_ ................ GND to be used with an appropriate external resistor