8   Using Expansion Units and Expansion I/O Units
8-12
CP1E CPU Unit Hardware User’s Manual(W479)
8-2 Analog Output Units
Each CP1W-DA021 Analog Output Unit provides two analog outputs. 
Each CP1W-DA041 Analog Output Unit provides four analog outputs. 
• The analog output signal ranges are 1 to 5 V, 0 to 10 V, -10 to +10 V, 0 to 20 mA, and 4 to 20 mA. 
• CP1W-DA021 uses two output words and CP1W-DA041 uses four output words.
z CP1W-DA021/CP1W-DA041
 
(1)Analog Output Terminals 
Connected to analog input devices. 
• I/O Terminal Arrangement for CP1W-DA021 
8-2-1 Overview
8-2-2 Part Names and Functions
V OUT1 Voltage output 1 
I OUT1 Current output 1 
COM1 Output common 1 
V OUT2 Voltage output 2 
I OUT2 Current output 2 
COM2 Output common 2 
CH
I OUT1 I OUT3
I OUT2
VOUT1
VOUT2
VOUT3
COM1
COM2
I OUT4
VOUT4
COM4
NC
NC
COM3
OUT
(3) Expansion connector
(1) Analog output terminals
(2) Expansion I/O  
 connecting cable
CH
I OUT1 NC
I OUT2
VOUT1
VOUT2
NC
COM1
COM2
NC
NC
NC
NC
NC
NC
I OUT1 NC
I OUT2
VOUT1
VOUT2
NC
COM1
COM2
NC
NC
NC
NC
NC
NC
OUT