590
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.
POWER
RUN
INH
PRPHL
BKUP
ERR/ALM
Summary of Contents for CP1H CPU UNITS - PROGRAMMING 05-2007
Page 2: ......
Page 3: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised March 2009...
Page 4: ...iv...
Page 10: ...x...
Page 18: ...xviii...
Page 22: ...xxii...
Page 34: ...xxxiv Conformance to EC Directives 6...
Page 174: ...140 CP series Expansion I O Unit Wiring Section 3 6...
Page 370: ...336 Analog I O XA CPU Units Section 5 5...
Page 552: ...518 Trouble Shooting Section 8 7...
Page 595: ...561 Sample Application Section 9 12 Network Settings Network Tab Network Settings Driver Tab...
Page 598: ...564 Sample Application Section 9 12...
Page 642: ...608 Standard Models Appendix A...
Page 652: ...618 Dimensions Diagrams Appendix B...
Page 745: ...711 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 746: ...712 Connections to Serial Communications Option Boards Appendix F...
Page 776: ...742 PLC Setup Appendix G...
Page 778: ...744 Specifications for External Power Supply Expansion Appendix H...
Page 786: ...752 Revision History...