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461
Error Classification and Confirmation
Section 9-1
CPU Unit Indicators and Error Meanings in RUN or MONITOR Mode
Seven-segment Display
Error codes are shown on the 7-segment display if an error occurs. The 7-
segment display has only two digits, so 4-digit error codes are displayed two
digits at a time. If there are 4-digit error details in addition to the error code,
they will be displayed after the error code two digits at a time.
• Display Example
Error code: 80F1 (memory error)
Error details: 0001 (user program)
The display switches at intervals of approximately 1 s.
• If two or more errors occur at the same time, the most serious error will be
displayed first. When that error is cleared, the next most serious error will
be displayed.
• The 7-segment display shows digits created by special instructions in the
user program or by analog adjustment operations. Error code displays,
however, are given priority whenever an error occurs.
Indicator
CPU
error
CPU
standby
Fatal
error
Non-
fatal
error
Peripheral port
communica-
tions error
Output
OFF Bit
turned ON
POWER
Lit
Lit
Lit
Lit
Lit
Lit
RUN
Not lit
Not lit
Not lit
Lit
Lit
Lit
ERR/ALM
Lit
Not lit
Lit
Flashing
---
---
INH
Not lit
---
---
---
---
Lit
BKUP
---
---
---
---
---
---
PRPHL
---
---
---
---
Not lit
---
Two-digit, 7-segment display
8.0.
f.1.
0.0.
0.1.
(Not lit)
Содержание CP1H-CPU - 05-2006
Страница 1: ...OPERATION MANUAL CP1H CPU Unit SYSMAC CP Series CP1H X40D CP1H XA40D CP1H Y20DT D Cat No W450 E1 02...
Страница 2: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised May 2006...
Страница 3: ...iv...
Страница 11: ...xii TABLE OF CONTENTS...
Страница 15: ...xvi...
Страница 19: ...xx...
Страница 31: ...xxxii Conformance to EC Directives 6...
Страница 71: ...40 Function Blocks Section 1 5...
Страница 133: ...102 Computing the Cycle Time Section 2 7...
Страница 169: ...138 CPM1A Expansion I O Unit Wiring Section 3 6...
Страница 411: ...380 Clock Section 6 8...
Страница 519: ...488 Replacing User serviceable Parts Section 10 2...
Страница 527: ...496 Standard Models Appendix A...
Страница 535: ...504 Dimensions Diagrams Appendix B...
Страница 628: ...597 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 629: ...598 Connections to Serial Communications Option Boards Appendix F...
Страница 659: ...628 PLC Setup Appendix G...
Страница 665: ...634 Index work words 159 write protection 370...
Страница 667: ...636 Revision History...