Event History Function; Debug Function - Mitsubishi Electric MELSEC iQ-R Series User Manual

Event history function

The following is the list of special relay areas relating to the event history function.
No. Name
SD1464 Module information on
to event history logging
*1
SD1467 restriction
*1 There are restrictions on the firmware version of the CPU module and software version of the engineering tool. ( Page 747 Added
and Enhanced Functions)

Debug function

The following is the special register area relating to the debug function.
No. Name
SD1488 Debug function usage
status
Data stored Details
Module information on Modules on which event history logging is restricted are stored in
event history logging the following bit patterns. (Off: No event history logging restricted,
restriction On: Event history logging restricted)
SD1464
b0: Slot No.0
b1: Slot No.1

b15: Slot No.15
SD1465
b0: Slot No.16
b1: Slot No.17

b15: Slot No.31
SD1466
b0: Slot No.32
b1: Slot No.33

b15: Slot No.47
SD1467
b0: Slot No.48
b1: Slot No.49

b15: Slot No.64
The bits corresponding to the slots in which the target modules are
mounted turn on. The bits remain on even after the event history
logging restriction is lifted.
Data stored Details
Debug function usage The usage status of the debug function is stored using the following
status bit pattern.
b0: External input/output forced on/off
Off: Not used
On: In use
b1: Program restoration information write status
Off: All written
On: Not all written
When SM386 is on (without LED flashing), this bit does not turn
on.
b2: Registration status of the device test with execution conditions
Off: Not registered
On: Registered
b3 to b15: Empty (fixed to 0)
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b2 b1 b0
Appendix 5 List of Special Register Areas
Set by (setting
timing)
S (Status change)
A
Set by (setting
timing)
S (Status change)
APPX
697