6-1-11 Other Errors - Omron SYSMAC CP Series User Manual

6-1-11 Other Errors

Communications Errors
CPU Unit Indicators
N
POWER
RUN
ERR/ALM
INH
BKUP
PORT1A
LINK/ACT
PORT1B
LINK/ACT
An error has occurred in the communications
between the Ethernet port and connected device.
An error has occurred in the communications
between the peripheral USB port and connected
device.
An error has occurred in the communications
between the serial port and connected device.
An error will be occurred if the cycle time is too
long.
CP2E CPU Unit Hardware User's Manual(W613)
: Not lit : Flashing : Lit
E/S
POWER
POWER
RUN
RUN
ERR/ALM
ERR/ALM
INH
INH
PRPHL
PRPHL
BKUP
BKUP
RS-232C
RS-232C
RS-485
RS-485
PORT1A
LINK/ACT
PORT1B
LINK/ACT
—: Irrelevant
Probable cause
—
—
—
—
—
—
—
Possible remedy
• Check the cable wiring.
• Check the Ethernet cable and replace it if necessary.
• Check the cable wiring.
• Check the USB cable and replace it if necessary.
• Confirm that the Built-in RS-232C Port, Built-in RS-485
Port or Serial Port Tab settings in the PLC Setup are cor-
rect.
• Check the cable wiring.
• If a host computer is connected, check the serial port
settings and program in the host computer.
• Start the CX-Programmer. Select Change Model from
the PLC Menu. The Change PLC Dialog Box will be dis-
played.
• Click the Settings Button on the right side of Network
Type. The Network Settings [USB] Dialog Box will be
displayed.
• Click the Network Tab and increase the value in
Response Timeout(s).
6 Troubleshooting
6-19
6