Appendix; External I/O Circuit Diagram - Ricoh SC-10A Operating Instructions Manual

Appendix

External I/O Circuit Diagram

External I/O control: Input circuit diagram
The input power current is limited to 6 mA (typ.) by the constant current circuit. The use of open collector output is
recommended.
External I/O control: Output circuit diagram
The driving current of the output transistor is 4 mA (typ.).
The connection of an external device which supplies large current may cause incorrect operation.
RICOH SC-10 SERIES
Operating Instructions Rev. 4.00
102/113