Specifications
Appendix3InstructionofMultifunctionalInputExpansionCardSC‐EXT3‐S
182
Digital input 
S7—COM 
Multifunction digital
input terminal 7 
1.Opto-couplerisisolation 
2.Input impedance:3.3KΩ 
3.Level input, the voltage range:
9V~30V 
4.Programmable multifunction
input 
S8—COM 
Multifunction digital
input terminal 8 
S9—COM 
Multifunction digital
input terminal 9 
S10—COM 
Multifunction digital
input terminal 10 
COM 
input terminal common 
p
ort 
  PW  External power input 
External power supply, max inpu
t
is 30V,the user could connect the
p
ower supply directly  (
b
etween
COM),could also supply +24
V
p
ower supply through this
machine, and choose through JP7
JUMP WIRE on expansion cards;
3、JumperDescription
Jumper number  Description 
JP7  Choose external power supply PW input or machine +24V 
power supply. 










