Device
No.
Name Description
SD12
Address with operation error
(new type)
(32-bit higher address)
SD13
-SD18
(Not used)
SD19 RING counter 2.5 ms 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.
SD20 RING counter 10 μs
SD21 RING counter 100 μs
SD22 Scan time (current value)
Saves the current
value.
[Saved value (decimal)] x 10 μs 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.
SD23 Scan time (minimum value)
Stores the
minimum value.
SD24 Scan time (maximum value)
Saves the
maximum value.
SD25
-SD26
(Not used)
SD27
Interval for PB for execution
at a specified interval
Saves interval for PB for execution at a specified interval.
SD28 (Not used)
(Note 1) SD0 to SD5 are available only when the corresponding system relays SR0 to SR5 are on.
SD29
Device
No.
Name Description
SD29
Ethernet communication error
code
Saves the error code when the Ethernet communication instruction
is executed.
SR9 SD29
0: Normal 0: Normal
1: Error
1: Incorrect IP address specification
2: Incorrect subnet mask specification
3: Incorrect default gateway specification
4: Incorrect IP addresses are combined.
10: Ethernet cable disconnected
11: Ethernet initialization in progress
12: IP address unestablished
13: Client not started
14: Connection processing in progress
15: Connection occupied
20.2 List of System Data Registers
20-10 WUME-FP7CPUPGR-12