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3-5-9 CPU Low Battery Flag (CPU11-E Only)
AR 2404 is the Battery Alarm Flag for the CPU11-E backup battery.
AR 2404 is refreshed every cycle while the PC is in RUN or MONITOR
mode.
3-5-10 SCAN(18) Cycle Time Flag (CPU11-E Only)
AR 2405 turns ON when the cycle time set with SCAN(18) is shorter than the
actual cycle time.
AR 2405 is refreshed every cycle while the PC is in RUN or MONITOR
mode.
3-5-11 Network Parameter Flags
AR 2406 is ON when the actual setting of the network parameter for operat-
ing level 1 of the SYSMAC LINK System differs from the setting at the FIT.
AR 2407 is ON when the actual setting of the network parameter for operat-
ing level 0 of the SYSMAC LINK System differs from the setting at the FIT.
3-5-12 Link Unit Mounted Flags
The following flags indicate when the specified Link Units are mounted to the
Racks. (Refer to 3-5-13 CPU-mounting Device Flag for CPU-mounting Host
Link Units.) These flags are refreshed every cycle.
Name Bit Link Unit
SYSMAC LINK/SYSMAC NET Link Unit
Level 1 Mounted Flag
AR 2408 SYSMAC LINK/SYSMAC NET Link Unit in operating level 1
SYSMAC LINK/SYSMAC NET Link Unit
Level 0 Mounted Flag
AR 2409 SYSMAC LINK/SYSMAC NET Link Unit in operating level 0
Rack-mounting Host Link Unit Level 1 AR 2413 Rack-mounting Host Link Unit in operating level 1
Rack-mounting Host Link Unit Level 0 AR 2414 Rack-mounting Host Link Unit in operating level 0
3-5-13 CPU-mounting Device Flag
AR 2415 turns ON when any device is mounted directly to the CPU. This in-
cludes CPU-mounting Host Link Units, Programming Consoles, and Interface
Units. This flag is refreshed every cycle.
3-5-14 FALS-generating Address
AR 25 contains the address generating a user-programmed FALS code or a
system FALS code 9F (cycle time error). The address is in 4-digit BCD. FALS
codes are described in 5-22-1 FAILURE ALARM - FAL(06) and SEVERE
FAILURE ALARM - FALS(07). The address is refreshed every cycle when an
FALS code has been generated.
3-5-15 Cycle Time Indicators
AR 26 contains the maximum cycle time that has occurred since program
execution was begun. AR 27 contains the present cycle time.
Both times are to tenths of a millisecond in 4-digit BCD (000.0 ms to 999.9
ms), and are refreshed every cycle.
AR Area Section 3-5
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