No.
Name
SD6098
CH2 Latest alarm code
SD6099
CH2 Latest error code
SD6180
Digital input value
SD6181
Digital operation value
SD6182
Analog output voltage monitor
SD6183
HOLD/CLEAR setting
SD6184
HOLD setting value
SD6188
Scaling upper limit value
SD6189
Scaling lower limit value
SD6190
Input value shift amount
SD6191
Warning output upper limit value
SD6192
Warning output lower limit value
SD6218
Latest alarm code
SD6219
Latest error code
FX Compatible area
The special registers for FX compatible area are shown below.
R: Read only, R/W: Read/Write
No.
Name
SD8000
Watchdog timer
SD8001
PLC type and system version
SD8005
Battery voltage
SD8006
Low battery voltage
SD8007
Power failure count
SD8008
Power failure detection period
SD8010
Current scan time
SD8011
Minimum scan time
SD8012
Maximum scan time
SD8013
RTC: Seconds
SD8014
RTC: Minute data
SD8015
RTC: Hour data
SD8016
RTC: Day data
SD8017
RTC: Month data
SD8018
RTC: Year data
SD8019
RTC: Day of week data
SD8039
Constant scan duration
SD8040
ON state number 1
SD8041
ON state number 2
SD8042
ON state number 3
SD8043
ON state number 4
SD8044
ON state number 5
SD8045
ON state number 6
SD8046
ON state number 7
SD8047
ON state number 8
SD8049
Lowest active Annunciator
SD8063
Serial communication error code (ch1)
SD8067
Operation error
SD8099
High speed ring counter
SD8136
PLSY Output number [Low-order]
SD8137
PLSY Output number [High-order]
APPX
380
Appendix 2 Special Register List
Description
This register stores the latest alarm code.
This register stores the latest error code.
This register stores the digital input value.
This register stores the digital operation value.
This register stores the analog output voltage value.
This register stores the HOLD/CLEAR setting.
This register stores the HOLD setting value.
This register stores the scaling upper limit value.
This register stores the scaling lower limit value.
This register stores the input value shift amount.
This register stores the warning output upper limit value.
This register stores the warning output lower limit value.
This register stores the latest alarm code.
This register stores the latest error code.
Description
This register stores the watchdog timer.
This register stores the PLC type and system version.
This register stores the battery voltage.
This register stores the low battery voltage.(units: 0.1 V)
This register stores the power failure count.
This register stores the power failure detection period.
When the power supply voltage is 200 V AC, the time can be
change to 10 to 100 ms.
This register stores the current scan time.
This register stores the minimum scan time.
This register stores the maximum scan time.
This register stores the seconds data.
This register stores the minute data.
This register stores the hour data.
This register stores the day data.
This register stores the month data.
This register stores the year data.
This register stores the day of week data.
This register stores the constant scan duration.
This register stores the ON state number 1.
This register stores the ON state number 2.
This register stores the ON state number 3.
This register stores the ON state number 4.
This register stores the ON state number 5.
This register stores the ON state number 6.
This register stores the ON state number 7.
This register stores the ON state number 8.
This register stores the lowest active annunciator.
This register stores the serial communication error code (ch1).
This register stores the error code number of operation error.
This register stores the high speed ring counter count value.
(units: 0.1 ms)
This register stores the PLSY instruction output pulse number.
R/W
R
R
R/W
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W
R
R
R/W
R
R/W
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R/W
R/W