Operation and Application
• The surge/trap function can only be used under the AC Mode.
• IT-M7721L/IT-M7722L do not support surge/trap function.
4.9.5 Digital I/O Function
The IT-M7700 series power supply supports digital I/O function, which can be
used for controlling and monitoring power supply output. For position, see 1.4
Rear Panel at a Glance.
Description of Digital I/O pin
The appearance of the I/O pin are shown below.
• IT-M7721/IT-M7722/IT-M7721L/IT-M7722L/IT-M7722D/IT-M7723D/IT-
M7722E/IT-M7723E
• IT-M7723
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