System Information - Mitsubishi Electric MELSEC iQ-R Series User Manual

System information

The following is the list of special relay areas relating to the system information.
No. Name
SM203 STOP contact
SM204 PAUSE contact
SM210 Clock data set request
SM211 Clock data set error
SM213 Clock data read request
SM220 CPU No.1 preparation
completed
SM221 CPU No.2 preparation
completed
SM222 CPU No.3 preparation
completed
SM223 CPU No.4 preparation
completed
SM230 No.1 CPU error flag
SM231 No.2 CPU error flag
SM232 No.3 CPU error flag
SM233 No.4 CPU error flag
SM240 No.1 CPU reset flag
SM241 No.2 CPU reset flag
SM242 No.3 CPU reset flag
SM243 No.4 CPU reset flag
Data stored Details
Off: Other than STOP state This relay is on in STOP state.
On: STOP state
Off: Other than PAUSE state This relay is on in PAUSE state. Note that this relay is on
On: PAUSE state during the END processing of the scan which the specified
PAUSE contact turns on if PAUSE state is generated at the
PAUSE contact.
OffOn: Setting request is • Clock data stored in SD210 to SD216 is written into the
detected CPU module when this relay is switched from off to on.
OnOff: Setting is completed • This relay switches from on to off when writing of clock data
stored in SD210 to SD216 into the clock element is
completed.
Off: No error This relay switches to on when an error is generated in values
On: Error from SD210 to SD216, and to off when no error is generated.
Off: Non-processing Clock data is loaded into SD210 to SD216 when this relay is
On: Reading request in the ON state.
Off: Not completed • This relay switches to on at the time when access from the
On: Completed CPU module on other CPUs to the CPU module for CPU
No. n is enabled during power-on or resetting.
• This relay is used as an interlock to access the CPU
module for the CPU No. n when the multiple CPU
synchronization setting is configured to asynchronous
mode.
Off: CPU No.n normal • This relay is off when the CPU module for the CPU No.n is
On: CPU No.n stop error normal (including a continuation error period).
state • This relay is on when the CPU module for the CPU No.n is
in stop error state.
Off: CPU No.n not being • This relay switches to off when the CPU module of the CPU
reset No.1 is not being reset.
On: CPU No.n in reset mode • This relay is on while the CPU module of the CPU No.1 is
being reset (including the case when the CPU module is
removed from the base unit). Other CPUs also enter into
reset mode.
• This relay switches to off when the CPU module of the CPU
No.2 is not being reset.
• This relay is on while the CPU module of the CPU No.2 is
being reset (including the case when the CPU module is
removed from the base unit). Errors occur in the other CPU
modules.
• This relay switches to off when the CPU module of the CPU
No.3 is not being reset.
• This relay is on while the CPU module of the CPU No.3 is
being reset (including the case when the CPU module is
removed from the base unit). Errors occur in the other CPU
modules.
• This relay switches to off when the CPU module of the CPU
No.4 is not being reset.
• This relay is on while the CPU module of the CPU No.4 is
being reset (including the case when the CPU module is
removed from the base unit). Errors occur in the other CPU
modules.
Set by (setting
timing)
S (Status change)
S (Status change)
U/S (Status
change)
S (Request)
U
S (Status change)
S (Status change)
S (Status change)
S (Status change)
S (Status change)
S (Status change)
Appendix 4 List of Special Relay Areas
A
APPX
649