Yaskawa 120 Series I/O Modules - Manual (Page 135)

3.4 I/O Allocation
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d) Timeout Output
The data that is output when the CPU Module changes from a running status to a
stopped status can be specified. Either of the following settings is possible.
(1) Final Data: The data that existed just prior to stopping.
(2) Set Data: Preset data.
The MEMOSOFT is set by default to SET DATA.
e) Timeout Output Data
The data that is output when the CPU Module stops (when set data is specified for
the timeout output) can be set. The data set here is an image of the PC reference
data. The data set here is converted and output in the order bits are set. The
MEMOSOFT is set by default to all zeros.