8
The symbols used in the table represent the following:
C20P/C28P
Input
Output
C20P/C28P/TU/AN/LU
Input
Output
C4K/C16P
Input or Output
C40P/C60P
Input
Output
Input
Output
C20P or C28P CPU Unit
C40P or C60P CPU or
Expansion I/O Unit
C4K or C16P Expansion I/O Unit
C20P Expansion I/O Unit, C28P Expansion I/O Unit,
Analog Timer Unit, Analog I/O Unit, or I/O Link Unit
System Configuration
Section 1-2
