vi
6. Diagnostic Devices................................................................................6-1
6.1 PLC Status (M8000 to M8009 and D8000 to D8009).......................................... 6-2
6.2 Clock Devices (M8010 to M8019 and D8010 to D8019) .................................... 6-3
6.3 Operation Flags ................................................................................................... 6-4
6.4 PLC Operation Mode (M8030 to M8039 and D8030 to D8039) ......................... 6-5
6.5 Step Ladder (STL) Flags (M8040 to M8049 and D8040 to D8049) ....................6-6
6.6 Interrupt Control Flags (M8050 to M8059 and D8050 to D8059) ......................6-7
6.7 Error Detection Devices (M8060 to M8069 and D8060 to D6069) .....................6-8
6.8 Link and Special Operation Devices (M8070 to M8099 and D8070 to D8099) .. 6-9
6.9 Miscellaneous Devices (M8100 to M8119 and D8100 to D8119) .....................6-10
6.10 Communication Adapter Devices, i.e. 232ADP, 485ADP.................................. 6-10
6.11 High Speed Zone Compare Table Comparison Flags.......................................6-11
6.12 Miscellaneous Devices (M8160 to M8199) .......................................................6-12
6.13 Index Registers (D8180 to D8199) ................................................................... 6-13
6.14 Up/Down Counter Control (M8200 to M8234 and M8200 to D8234) ...............6-14
6.15 High Speed Counter Control (M8235 to M8255 and D8235 to D8255) ............ 6-14
6.16 Error Code Tables ............................................................................................. 6-15
7. Execution Times And Instructional
Hierarchy ...............................................................................................7-1
7.1 Basic Instructions ................................................................................................ 7-1
7.2 Applied Instructions ............................................................................................ 7-3
7.3 Hierarchical Relationships Of Basic Program Instructions ................................ 7-11
7.4 Batch Processing............................................................................................... 7-13
7.5 Summary of Device Memory Allocations........................................................... 7-13
7.6 Limits Of Instruction Usage ............................................................................... 7-14
7.6.1 Instructions Which Can Only Be Used Once In The Main Program Area ............... 7-14
7.6.2 Instructions Which Are Not Suitable For Use With 110V AC Input Units ................7-15
8. PLC Device Tables................................................................................8-1
8.1 Performance Specification Of The FX1S ............................................................ 8-1
8.2 Performance Specification Of The FX
1N ............................................................ 8-2
8.3 Performance Specification Of The FX
2N and the FX2NC PLC’s ........................ 8-4
9. Assigning System Devices ....................................................................9-1
9.1 Addressing Extension Modules ........................................................................... 9-1
9.2 Real Time Clock Function ...................................................................................9-2
9.2.1 Setting the real time clock ......................................................................................... 9-2