Panasonic FP7 User Manual page 27

 External connection diagram
In Sink output mode or Push-pull output
(negative logic) mode
(Note 1): The COM0 to COM3 are independent common terminals. They are not internally connected.
(Note 2): The two plus terminals (A19 and B19) on the output side are connected internally, and the two minus
terminals (A20 and B20) are connected internally.
(Note 3): The voltages of the external power supply of output circuit and the power supply for the load circuit should
be within the range of 5 to 24 V.
3.1 Input/Output Specifications
In Source output mode or Push-pull output
(positive logic) mode
3-3