3   Part Names and Functions
3-2
CP1E CPU Unit Hardware User’s Manual(W479)
3-1 CPU Units
This section describes the names of the CPU Unit parts and provides the I/O specifications and termi-
nal arrangements. Refer to A-1 Dimensions for the dimensions, A-2 Wiring Diagrams for the wiring dia-
grams.
3-1-1 E10/14/20(S) or N14/20 CPU Units  
Part Names and Functions
E-type CPU Unit
CP1E-E10D-
CP1E-E14/20DR-A
N-type CPU Unit
CP1E-N14/20D-
CP1E-E14/20SDR-A
Input terminal block
Output terminal
block
Power supply input terminals
Input terminals
Output terminals
Ground terminal
Input indicators
Output indicators
Peripheral
USB port
Analog
adjusters
Operation indicators
Battery 
cover
Built-in
RS-232C port
Built-in RS-232C
communications
status indicator
Output terminal
block
Input terminals
Ground terminal
Output indicators
Power supply input terminals
Output terminals
Input indicators
Peripheral
USB port
Operation indicators
Input terminal block