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451
Failure Diagnosis Functions
Section 8-8
• The following instructions will create a fatal error to prevent the program
from being executed when the lot number does not begin with 23Y.
8-8
Failure Diagnosis Functions
This section introduces the following functions.
• Failure Alarm Instructions: FAL(006) and FALS(007)
• Failure Point Detection: FPD(269)
• Output OFF Bit
8-8-1
Failure Alarm Instructions: FAL(006) and FALS(007)
The FAL(006) and FALS(007) instructions generate user-defined errors.
FAL(006) generates a non-fatal error that allows program execution to con-
tinue and FALS(007) generates a fatal error that stops program execution.
When the user-defined error conditions (i.e., the execution conditions for
FAL(006) or FALS(007)) are met, the instruction will be executed and the fol-
lowing processing will be performed.
1,2,3...
1.
The FAL Error Flag (A402.15) or FALS Error Flag (A401.06) is turned ON.
2.
The corresponding error code is written to A400.
3.
The error code and time of occurrence are stored in the Error Log.
4.
The error indicator on the front of the CPU Unit will flash or light.
5.
If FAL(006) has been executed, the CPU Unit will continue operating.
If FALS(007) has been executed, the CPU Unit will stop operating. (Pro-
gram execution will stop.)
Operation of FAL(006)
First Cycle Flag
ANDL(610)
A310
#0000FFFF
D0
FALS(007)
1
D100
<>L(306)
D 0
#1123
A
FAL
002
#0000
Содержание CP1L-EL20DR-D
Страница 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
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Страница 10: ...x...
Страница 22: ...xxii...
Страница 34: ...xxxiv Software Licenses and Copyrights 7...
Страница 178: ...144 Connecting the CX Programmer Section 5 1 Click the Connect button to connect and then connection online is completed...
Страница 192: ...158 Trial Operation and Debugging Section 5 3...
Страница 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Страница 666: ...632 Trouble Shooting Section 11 7...
Страница 696: ...662 Standard Models Appendix A...
Страница 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Страница 836: ...802 PLC Setup Appendix G...
Страница 838: ...804 TCP Status Transitions Appendix H...
Страница 840: ...806 Ethernet Network Parameters Appendix I...
Страница 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Страница 844: ...810 Ethernet Specifications Appendix K...
Страница 851: ...Index 817 work words 118 write protection 447...
Страница 852: ...818 Index...
Страница 854: ...820 Revision History...
Страница 855: ......