SATO S84 - Page 286

7 Appendix
284
S84-ex/S86-ex Operator Manual
Input/Output circuit diagram of 25 pins external signal interface (DB 25 pins, female
terminal)
When the output from the user is NPN transistor output
[Power is supplied from the user]
[Power is supplied from the printer]
PrinterUser
IN
Photo coupler
Transistor
(NPN)
IN_COM
Photo Mos FET
EXT_I
EXT_O
OUT_COM
+5V~+24V
Pow
Photo coupler
OUT
Nȍ
PrinterUser
IN
Photo coupler
Transistor
(NPN)
IN_COM
Photo Mos FET
EXT_I
EXT_O
OUT_COM
+5V
Pow
Photo coupler
OUT
Nȍ
GND