Basic Operation - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.19 Machine Group-Based Alarm Stop

14.19.3 Basic Operation

 When an alarm occurs for an axis, this function decelerates and stops the axes in a machine group where the axis belongs.
Operations of the other machine groups are given below.
- Operations of the axes in different machine groups can be switched to either the feed hold or continuous operation.
- Operations of the axes in different machine groups are set by "#1473 mgralmcont (Allowing operation to continue after
machine groupwise alarm stop)".
0 : Feed hold
1 : The operation is allowed to continue.
 Refer to the previous paragraph "14.19.2 Function Enabling Conditions" for how to set the "Enable machine groupwise
alarm stop" and "Machine group No.".
[Basic operation of this function]
Alarm
Enable machine groupwise alarm stop
(#1471 mgralmstp)
Enable
The axis causing
the alarm?
NO
YES
Deceleration stop
and servo OFF
IB-1501668-B
Disable
Another
Same machine
machine group
group?
NO
YES
Is the machine group
number "0"?
Spindle?
NO
Spindle's machine group setting
type (#3195 mgrsptyp)
Deceleration
stop
NO
Allowing
operation to
YES
continue after
machine
groupwise alarm
stop
(#1473
YES
mgralmcont )
"1"
"1"
"0"
Continuous
operation
674
All axes STOP
(Ready OFF)
"0"
Feed hold