Specifications
Appendix 1 Instruction of Standard Expansion Card SC-EXT1-IO
177
Appendix2SC‐EXT1‐IOExpansioncardandpanelinstallationdiagram
III. WiringTerminalDescription
1、Terminalarrangementdiagram
TA4 TC4 485+ 485-
HDO HDI
PW
FM2
2、TerminalFunctionDescription
Type
Terminal
symbol
Terminal name Function description
Power supply PW
External inpu
t
p
owe
r
External power supply, max input is 30V,
the user could connect the power supply
directly ( between COM ), could also
supply +24V power supply through this
machine, and choose through JP6 JUM
P
WIRE on expansion cards.