YASKAWA MEMOCON GL120 User Manual page 287

7 Maintenance
7.2.1 Hot Swapping
Note: (1) Do not hot swap more than one Module at a time, even if the Modules all sup-
(2) When hot swapping on an I/O Module which supply DC power as the I/O power
(3) When hot swapping, never short-circuit the terminal block or the connectors of
(4) Inserting or removing a Module which does not permit hot swapping may cause
port hot swapping. Hot swapping more than one Module at the same time may
cause the CPU to reset or to stop completely.
supply, there is no need to setup safety switches. However, it may cause I/O
signal chatter when inserting or removing a terminal block or a connector to or
from the Module. If this is a problem, then setup a chatter prevention switch for
each Module and be sure to turn this switch OFF to turn OFF the DC power
supply.
the Module.
the CPU Module to stop.
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