Appendix A-2 Special Data Register (D8000 To D8511) - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition

Appendix A-2 Special Data Register (D8000 to D8511)

Number and name Content of register
PLC status
Default value is 200 ms
(in 1 ms steps)
(Writes from system ROM at power
D 8000
ON)
Watchdog timer
Value overwritten by program is
valid after END or WDT instruction
execution.
2 8 1 0 0
[D]8001
PLC type and
system version
FX
3S
• 2...2 K steps
[D]8002
Memory capacity
• 4...4 K steps
Stores the memory type (built-in
EEPROM or memory cassette) and
[D]8003
the PROTECT switch ON/OFF
Memory type
status of the memory cassette.
8 0 6 1
[D]8004
Error number M
8061 to 8068 (When M8004 is ON)
[D]8005 to [D]8009 Not used
Clock
Accumulated instruction-execution
[D]8010
time from 0 step
*3
Present scan time
(in units of 0.1 ms)
[D]8011
Minimum value of scan time
*3
(in units of 0.1 ms)
Minimum scan time
[D]8012
Maximum value of scan time
*3
(in units of 0.1 ms)
Maximum scan time
D 8013 0 to 59 seconds
Second data (for real time clock)
D 8014 0 to 59 minutes
Minute data (for real time clock)
D 8015 0 to 23 hours
Hour data (for real time clock)
D 8016 1 to 31 days
Day data (for real time clock)
D 8017 1 to 12 months
Month data (for real time clock)
D 8018 2 digits of year data (0 to 99)
Year data (for real time clock)
D 8019
0 (Sunday) to 6 (Saturday)
Day-of-the-week
(for real time clock)
data
*1. "4" is displayed even when the memory capacity is
set to 16 K steps in the parameter setting.
*2. D8003 becomes the undermentioned content.
Present
Type of memory
value
02H EEPROM memory cassette
0AH EEPROM memory cassette
10H Built-in memory in PLC
*3. Indicated value includes waiting time of constant
scan operation (when M8039 is activated).
Correspond-
ing special
device
-
D8101
Version 1.00
Series
D8102
*1
-
*2
M8004
-
-
-
-
-
-
-
-
-
-
-
Protect switch
OFF
ON
-
Appendix A-2 Special Data Register (D8000 to D8511)
Number and name Content of register
Input filter
D 8020
Input filter value of X000 to X017
Input filter
(Default: 10 ms)
adjustment
[D]8021 to [D]8027 Not used
Index register Z0 and V0
[D]8028
Value of Z0 (Z) register
[D]8029
Value of V0 (V) register
Analog volume and constant scan
Value of analog volume
*5
[D]8030
VR1 (Integer from 0 to 255)
Value of analog volume
*5
[D]8031
VR2 (Integer from 0 to 255)
[D]8032 to [D]8038 Not used
Default: 0 ms (in 1 ms steps)
D 8039
(Writes from system ROM at power
Constant scan
ON)
duration
Can be overwritten by program
Stepladder
*6
[D]8040
ON state number 1
*6
[D]8041
ON state number 2
*6
[D]8042
The smallest number out of active
ON state number 3
state ranging from S0 to S255 is
*6
[D]8043
stored in D8040 and the second-
ON state number 4
smallest state number is stored in
D8041.
*6
[D]8044
Active state numbers are then
ON state number 5
sequentially stored in registers up to
*6
[D]8045
D8047 (Max. 8 points).
ON state number 6
*6
[D]8046
ON state number 7
*6
[D]8047
ON state number 8
[D]8048 to [D]8059 Not used
*4. The values of Z1 to Z7 and V1 to V7 are stored in
D8182 to D8195.
*5. FX -30M/E-2AD is not supported.
3S
*6. Executed at END instruction.
Appendix A: Special Device List
Correspond-
ing special
device
-
-
*4
-
*4
-
-
-
-
M8039
M8047
-
193
11
12
13
14
15
16
17
A
B
C