Processing State Model Management - Mitsubishi Electric MELSEC iQ-R Series User Manual

8.6

Processing State Model Management

Series
MELSEC-Q series
MELSEC iQ-R series
The processing state of the equipment is managed with the following model. When the equipment enters a PROCESS state,
it indicates that the process is ready or executing. When it enters an EXECUTING state, it means that the process is running.
The programmable controller CPU must manage the processing state model.
Register assign or assign setting of state transition switch relay are implemented in SECS/GEM communication software to
enable reception of a notification from the Programmable Controller CPU regarding the current processing state.
PROCESSING ACTIVE
INIT
(1)
(2)
IDLE
(6) (7)
(5)
No. Current state
(1) INIT
(2) IDLE
(3) SETUP
(4) READY
(5) EXECUTING
(6) PROCESSING ACTIVE
(7) PROCESSING ACTIVE
(8) PROCESS
(9) PROCESS
(10) PAUSE
SECS/GEM communication software
Non-GEM version


PROCESS
SETUP
(3)
READY
(10)
(4)
EXECUTING
Trigger New state
System initialization IDLE
Setup command is SETUP
issued
Setup is completed and READY
preparation for reception
of start instruction is also
completed
Start instruction (START) EXECUTING
is received from the host
or console
Processing operation is IDLE
completed
Stop instruction (STOP) IDLE
is received from the host
or console
Abort instruction IDLE
(ABORT) is received
from the host or console
Decided to pause the PAUSE
process due to alarm
occurrence, etc.
Pause instruction PAUSE
(PAUSE) is received
from the host or console
Resume instruction PROCESS
(RESUME) is received Previous state within the
from the host or console. PROCESS
GEM version


(8)
PAUSE
(9)
Operation
Disabled
Disabled
Depends on the equipment
Depends on the equipment
Disabled
Disabled
Depends on the equipment
Depends on the equipment
Depends on the equipment
Depends on the equipment
8 GEM COMPLIANT FUNCTIONS
8.6 Processing State Model Management
GEM advanced version


Comments







The decision about this
transition is normally needs
support from the operator

Lower state is the previous
state before transition to
PAUSE
189
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