Machine Group-Based Alarm Stop; Outline - Mitsubishi Electric M800VW Series Programming Manual

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M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function

14.19 Machine Group-Based Alarm Stop

14.19 Machine Group-Based Alarm Stop

14.19.1 Outline

When an alarm occurs for an axis, this function performs an alarm stop only for the axes in a machine group to which the axis
belongs. When this function is used in a lathe system, even though an alarm occurs for the loader axis, the operation can be
continued if the servo axis and the spindle have been set in a different machine group from the loader axis as illustrated
below. Without this function, the alarm stop is performed for all the axes when an alarm occurs.
NC
Without
this
Stop
function
NC
With
this
function
Likewise, when this function is used in a machining center system, the axes belonging to a different machine group from the
axis for which an alarm has occurred can continue the operation as illustrated below. Without this function, the alarm stop is
performed for all the axes when an alarm occurs.
NC
Without
this
Stop
function
NC
With
this
function
The machining group number can be set for each servo axis and spindle in this function, and incorrect setting may lead to
accidents. Set the machine group number with enough care.
IB-1501668-B
Servo axis
Spindle
Stop
Group 1
Servo axis
Spindle
Group 1
Servo axis
Spindle
Stop
Group 1
Servo axis
Spindle
Group 1
Loader
Group 2
Loader
Group 2
Servo axis
Alarm
Stop
Group 2
Servo axis
Alarm
Stop
Group 2
672
Alarm
Stop
Alarm
Stop
Spindle
Stop
Spindle
Stop

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