616
Troubleshooting
Section 11-2
11-2-6 Other Errors
Communications Errors
■
CPU Unit Indicators
POWER
Lit
RUN
Lit
ERR/ALM
---
INH
---
BKUP
Not lit
PRPHL
---
Seven-segment
display
Probable cause and possible remedy
None
An error has occurred in the communications between the periph-
eral port and connected device. Confirm that the peripheral port
settings in the PLC Setup are correct.
An error has occurred in the communications between the RS-
232C port and connected device. Confirm that the RS-232C port
settings in the PLC Setup are correct. Check the cable wiring. If a
host computer is connected, check the serial port settings and
program in the host computer.
An error will be occurred if the cycle time is too long. Modify the
CX-Programmer's response monitoring time longer according to
the following method.
Start the CX-Programmer. Select
Change Model
from the
PLC
Menu. The
Change PLC
Dialog Box will be displayed. 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)
.
POWER
RUN
INH
PRPHL
BKUP
ERR/ALM
Summary of Contents for Sysmac CP1H
Page 2: ......
Page 3: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised October 2014...
Page 4: ...iv...
Page 10: ...x...
Page 18: ...xviii...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 76: ...42 Function Blocks Section 1 5...
Page 176: ...142 CP series Expansion I O Unit Wiring Section 3 6...
Page 372: ...338 Analog I O XA CPU Units Section 5 5...
Page 578: ...544 Trouble Shooting Section 8 7...
Page 622: ...588 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 668: ...634 Standard Models Appendix A...
Page 744: ...710 Auxiliary Area Allocations by Address Appendix D...
Page 771: ...737 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 772: ...738 Connections to Serial Communications Option Boards Appendix F...
Page 800: ...766 Specifications for External Power Supply Expansion Appendix H...
Page 806: ...772 Index W Work Area 165 work bits 165 work words 165 write protection 379...
Page 808: ...774 Revision History...
Page 809: ......