213
Examples Section 4-2
4. Verifying the Programming Device Connection
Connecting to the CX-Programmer
1,2,3... 1. Connect the CX-Programmer's connecting cable to the peripheral port or
RS-232C port.
Note When connecting to the RS-232C port, pin 5 of the CPU Unit's DIP
switch must be ON.
2. After checking the power supply wiring and voltage, turn ON the power and
verify the Power Supply Unit's POWER Indicator is lit.
3. Start the CX-Programmer and automatically connect online to the PLC. 
Note When connecting online automatically, the CPU Unit is connected in
RUN mode.
N
E
C
P
C
-9
8
0
1
BX
CONTROLLER
CJ1G-CPU44
SYSMAC
PROGRAMMABLE
ERR/ALM
RUN
COMM
INH
PRPHL
OPEN
PERIPHERAL
BUSY
MCPWR
PORT
ON
Pro