Mitsubishi Electric MELSEC LJ72GF15-T2-U-HW Safety Manuallines page 52

(10) Temperature control module
Install the DC power in the same control panel with the modules.
(11) Flexible high-speed I/O control module
Take following measures.
• Attach a ferrite core to the cable for the DC power connected to
the flexible high-speed I/O control module, and to the cable for
the DC power connected to a controller. For a ferrite core, the
ESD-SR-250 (manufactured by NEC TOKIN Corporation) is
recommended.
• Install the DC power in the same control panel where the module
is installed.
• Use a shielded cable when a DC power cable is laid out of the
control panel.
• The length of the cable connected to an output part or external
devices must be 2m or less for open collector output, and 10m
or less for differential output.
• The length of the cable connecting an input part and external
devices must be 30m or less.
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