Operation State - Mitsubishi Electric EZMotion-NC E68 Series Operation Manual

1. Operation State

1.1 Operation State Transition Diagram
The controller operation state changes momentarily according to the program contents or signals
from the operation panel or machine. The controller roughly classifies the operation state into power
OFF, not ready, and ready.
Operation is enabled only in the operating preparation ready state. The operating preparation ready
state is furthermore classified into reset, automatic operation stop, automatic operation start, and
automatic operation pause as shown below:
Manual mode operation is enabled in the operation complete state.
Operations not ready state
Operations not ready state
In automatic operations
Automatic operation is
stopped
Feed hold
7)
Automatic operation in
progress
Block stop
8)
Automatic operation is
stopped
1.2 Power OFF
The power OFF state means that no power is supplied to the control circuit.
(1) From any other state to power OFF (transition 1))
• When POWER OFF signal is input from the machine;
• When power supplied from the machine to controller is turned OFF; or
• When power unit fuse in the controller blows.
Power OFF state
2) Power ON
Waiting for READY ON
READY ON
5)
Reset operations
Automatic
operation
6)
is started
Start
6)
M02/30
Automatic
operation
6)
is started
Operation state transition diagram
1.1 Operation State Transition Diagram
1)
Power OFF
Failure in operating preparations
(Emergency stop)
4) Problem is resolved
4)
Reset process
Finished
Reset
process-
ing
5)
Input
Automatic
operation
not ready
Completed
state
II-2
1. Operation State
3) Emergency stop
Resolve problem that
caused emergency
stop
5)
Reset operations
Screen operations
(Machinery preparation)
Searching unmodal
[During operation of the above,
automatic start is not possible.]