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AR Area Section 3-6
3-6 AR Area
These bits mainly serve as flags related to CQM1H operation. The flags in AR
05 and AR 06 relate to the operation of Inner Boards and their functions are
different for each Inner Board. The following table has been split to show the
functions of the shared flags (AR 00 to AR 04 and AR 07 to AR 27) and the
flags unique to particular Inner Boards (AR 05 and AR 06.)
With the exception of AR 23 (Power-off Counter), the status of AR words and
bits is refreshed each cycle. (AR 23 is refreshed only for power interruptions.)
3-6-1 Shared Flags/Bits (AR 00 to AR 04)
Word Bit(s) Function
AR 00 00 to 10 Not used.
11 Communications Unit Error Flag
Turns ON when an error occurs in a Communications Unit.
12 to 15 Not used.
AR 01 00 to 10 Not used.
11 Communications Unit Restart Bit
Turn this bit ON and then OFF to restart the Communications Unit.
12 to 15 Not used.
AR 02 00 to 07 Network Instruction Completion Code
Contains the completion code for network instructions (SEND(90), RECV(98), or CMND(––).)
08 Network Instruction (SEND(90), RECV(98), or CMND(––)) Error Flag
Turns ON when an error occurred in execution of a network instruction (SEND(90), RECV(98), or
CMND(––).)
09 Network Instruction (SEND(90), RECV(98), or CMND(––)) Enabled Flag
Turns ON when a network instruction (SEND(90), RECV(98), or CMND(––)) can be executed.
10 to 14 Not used.
15 Communications Unit Connected Flag
Turns ON when a Communications Unit is mounted to the PC.
AR 03 00 to 15 Communications Unit Servicing Time
Indicates the servicing time for the last cycle in 0.1-ms units (4-digit BCD.)
AR 04 00 to 07 Slot 1 Inner Board Error Code (Hex)
00: Normal
01, 02: Hardware error
04: Serial Communications Board error
08 to 15 Slot 2 Inner Board Error Code (Hex)
00: Normal
01, 02: Hardware error
03: PC Setup error
04: PC stopped during pulse output or A/D (D/A) conversion error
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