User manual
12
FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
Table of Contents
37. Operation of Special Devices (M8000 -, D8000 -) 824
37.1 Special Device List (M8000 -, D8000 -) ............................................................................................. 824
37.1.1 Special Auxiliary Relay (M8000 to M8511) ......................................................................................... 824
37.1.2 Special Data Register (D8000 to D8511)............................................................................................ 842
37.2 Supplement of Special Devices (M8000 - and D8000 -) .................................................................... 864
37.2.1 RUN monitor and initial pulse [M8000 to M8003]................................................................................ 864
37.2.2 Watchdog timer [D8000] ..................................................................................................................... 865
37.2.3 Battery voltage low detection [M8005 and M8006] ............................................................................. 865
37.2.4 Power failure detection time [D8008, M8008 and M8007] ..................................................................866
37.2.5 Scan time (monitor) [D8010 to D8012]................................................................................................ 866
37.2.6 Internal clock [M8011 to M8014]......................................................................................................... 866
37.2.7 Real time clock [M8015 to M8019 and D8013 to D8019]....................................................................867
37.2.8 How to set real time clock ................................................................................................................... 868
37.2.9 Input filter adjustment [D8020] ............................................................................................................ 870
37.2.10 Battery [BATT (BAT)] LED and [ALM] LED OFF command [M8030]................................................ 871
37.2.11 Built-in analog volume [D8030 and D8031]....................................................................................... 872
37.2.12 Clear command [M8031 and M8032]................................................................................................ 872
37.2.13 Memory hold stop [M8033] (output hold in STOP mode).................................................................. 872
37.2.14 All outputs disable [M8034]............................................................................................................... 873
37.2.15 Individual operation for RUN/STOP input [M8035 to M8037] ........................................................... 873
37.2.16 Constant scan mode [M8039 and D8039]......................................................................................... 874
37.2.17 State control in program with STL instruction/SFC chart [M8040] .................................................... 874
37.2.18 Analog expansion boards [M8260 to M8279 and D8260 to D8279] ................................................. 875
37.2.19 Analog special adapters [M8260 to M8299 and D8260 to D8299]....................................................877
38. Error Check Method and Error Code List 884
38.1 States and Colors of LEDs PLC Operation Status............................................................................. 884
38.1.1 POWER (POW) LED [lit, flickering or unlit] ......................................................................................... 885
38.1.2 RUN LED [lit or unlit] ........................................................................................................................... 885
38.1.3 BATT (BAT) LED [lit or unlit] [FX
3U/FX3UC]........................................................................................ 885
38.1.4 ALM LED [lit or unlit] [FX
3G/FX3GC] ................................................................................................... 885
38.1.5 ERROR (ERR) LED [lit, flickering or unlit]........................................................................................... 886
38.1.6 L RUN LED [FX
3UC-32MT-LT(-2)] ...................................................................................................... 886
38.1.7 L ERR LED [FX
3UC-32MT-LT(-2)] ...................................................................................................... 887
38.2 Error Code Check Method and Indication .......................................................................................... 888
38.2.1 Error code check method by display module ...................................................................................... 888
38.2.2 Error code check method by GX Works2............................................................................................ 889
38.2.3 Error indication .................................................................................................................................... 890
38.3 Supplementary Explanation of Devices for Error Detection ............................................................... 891
38.3.1 Error detection (M8060 to/D8060 to)................................................................................................... 891
38.3.2 Operations of special devices for error detection................................................................................ 892
38.3.3 Error detection timing .......................................................................................................................... 892
38.4 Error Code List and Action................................................................................................................. 893
Appendix A: Programming Tool Applicability and Version Upgrade History 901
Appendix A-1 Programming Tool Applicability ........................................................................................... 901
Appendix A-1-1 Programming tool applicability ............................................................................................. 901
Appendix A-1-2 Cautions on writing during RUN........................................................................................... 904
Appendix A-1-3 Precautions on Use of (Built-in USB) Programming Port..................................................... 908
Appendix A-1-4 Cautions on using transparent function by way of USB in GOT1000 Series ....................... 909
Appendix A-1-5 Cautions on using transparent (2-port) function of GOT-F900 Series..................................910
Appendix A-2 Peripheral product applicability (except programming tools)............................................... 911
Appendix A-2-1 Peripheral product applicability ............................................................................................ 911
Appendix A-3 Version Upgrade History ..................................................................................................... 913
Appendix A-3-1 Manufacturer's serial number check method ....................................................................... 913
Appendix A-3-2 Version check....................................................................................................................... 914
Appendix A-3-3 Version upgrade history [FX
3S]............................................................................................ 914
Appendix A-3-4 Version upgrade history [FX
3G]............................................................................................ 914
Appendix A-3-5 Version upgrade history [FX
3GC] ......................................................................................... 915
Appendix A-3-6 Version upgrade history [FX
3U]............................................................................................ 915
Appendix A-3-7 Version upgrade history [FX
3UC] ......................................................................................... 915










