User Mode
Cha pte r B
Cha pte r B
B-9 AML Cancel Function 9.1 Introduction This function aims to prevent an occurrence of accident caused by the canceling of AML. However, depending on circumstances, because a returning to normal status is not possible unless the stop function is cancelled, the specification for such circumstances are described below. The table below indicates the availability of stop function cancel for each cancel mode defined in this specification. - User mode indicates the normal operation status. - Maintenance mode indicates the maintenance status, used for grease-up and others, which is set from the user setting screen. Table 9.1.1 Relationship of cancel mode and stop condition Cancel mode
User mode
Normal status (Without cancel)
Cancel status
Maintenance mode
Normal status (Without cancel)
Cancel status
No detector abnormality
Interlock stop (*1)
Moment load ratio 100% stop
Re-stop (*4)
Range limit
Antitwo-block stop
Backward stability stop
(Stop)
(Stop)
(Stop)
(Stop)
(Stop)
(Stop)
With detector abnormality
Operation impossible due to vent in this status
No detector abnormality
(*5) (Mixed)
(Cancel)
(Stop)
(Cancel)
(Stop)
(Stop)
With detector abnormality
(*2) (Mixed)
(Cancel)
(Cancel)
(Cancel)
(Stop)
(*2) (Mixed)
No detector abnormality
(*3) (Mixed)
(Stop)
(Stop)
(Stop)
(Stop)
(Stop)
With detector abnormality
Operation impossible due to compulsory unload in this status
No detector abnormality
(*5) (Mixed)
(Cancel)
(Stop)
(Cancel)
(Stop)
(Stop)
With detector abnormality
(*2) (Mixed)
(Cancel)
(Cancel)
(Cancel)
(Stop)
(*2) (Mixed)
: Stop function effective : Stop function is effective or disabled depending on condition : Stop function disabled (*1): Stop function indicated in Table 9.3.1 Relationship between automatic stop function and cancel availability. (*2): When there is an abnormality with the detector needed for obtaining the machine information that constitutes the stop condition, all stop functions will be canceled. However, when the detector is normal which can detect the stop condition, the cancel-prohibited stop functions will not be canceled even if the cancel status is judged. (*3): Only the stop by full retraction switch abnormality is canceled. (*4): It is the overload stop with which the stop is performed even during normal cancel status. (*5): The details on the availability of stop function cancel are described in Table 9.3.1.
B - 63
W301-0481E