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8.1
CPU Unit Specifications
8-17
8.1.6 List of System Data Registers
SD0 – SD39
Device
number
Name
Description
SD0
Self-diagnostic error code
Stores the error code when a self-diagnosis error occurred.
SD1
Alarm Occurrence Unit Slot No.
Saves the slot number of the unit where an alarm has
occurred.
SD2
Error Occurrence Unit Slot No.
Saves the slot number of the unit where an error has
occurred.
SD3
Warning Occurrence Unit Slot No.
Saves the slot number of the unit where a warning has
occurred.
SD4
Verification Error Occurrence Unit
Slot No.
Saves the slot number of the unit where a verification error
has occurred.
SD5
Installation error detection slot No.
Saves the slot number of the unit where an installation error
was detected.
SD6 (Not
used)
SD7
Operation error occurrence PB
number (hold type)
Saves the PB number where the first operation error occurred
after the unit has started operating.
SD8
Operation error occurrence
address (hold type)
(32-bit lower-level address)
SD9
Operation error occurrence
address (hold type)
(32-bit higher-level address)
Saves the address where the first operation error occurred
after the unit has started operating. Perform monitoring using
32-bit data.
SD10
Operation error occurrence PB
number (latest type)
Saves the PB number where an operation error occurred.
Every time a new error occurs, the data are updated. The
value '0' is recorded at the start of the scan.
SD11
Operation error occurrence
address (latest type)
(32-bit lower-level address)
SD12
Operation error occurrence
address (latest type)
(32-bit higher-level address)
Saves the address where an operation error occurred. Every
time a new error occurs, the data are updated. The value '0' is
recorded at the start of the scan. Perform monitoring using 32-
bit data.
SD13
to SD18
(Not used)
SD19
RING counter 2.5 ms
SD20
RING counter 10
μ
s
SD21
RING counter 100
μ
s
The saved value is increased by one every time the respective
time unit has passed. (H0 to HFFFF)
Current values of SD19 to SD21 can only be read when SD19
to SD21 are directly specified and read by MV instruction. The
scan start value is read by other instructions.
SD22
Scan time (current value)
Saves the current
value.
SD23
Scan time (minimum value)
Stores the minimum
value.
SD24
Scan time (maximum value)
Saves the maximum
value.
[Saved value (decimal)] x 10
μ
s
scan time indication: Indicates
operation cycle time in the RUN
mode only. Max. and Min. values
are cleared at switching between
the RUN mode and the PROG.
mode.
SD25
to SD26
(Not used)
SD27
Interval for PB for execution at a
specified interval
Saves interval for PB for execution at a specified interval.
SD28
to SD29
(Not used)
SD30
SD card access instruction
execution result
Error codes while the SD card access instruction is executed
are stored.
SD31
to SD39
(Not used)
(Note 1): SD0 to SD5 are available only when the corresponding system relays SR0 to SR5 are on.
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Summary of Contents for AFP7CPS31
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Page 9: ...1 Overview Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
Page 47: ...5 Operation Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
Page 62: ...5 16 Operation Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...
Page 77: ...8 Specifications Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...