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7 Digital I/O Slave Unit
GX-series EtherCAT Slave Unit User’s Manual
7-4 Specifications for Each Slave Unit
7
7-4-4 2-tier Terminal Block Type 8-point Input and 8-point Output Slave Unit
GX-MD1611/MD1621
Precautions for Correct Use
• The V1 and V2 terminals as well as the G1 and G2 terminals of the I/O power supply are not
connected internally. Supply power separately for V1-G1 and V2-G2.
• When using an inductive load, such as a solenoid valve, either use a built-in diode for
absorbing the counterelectromotive force or install an external diode. (Refer to "A-4 Wiring
External Output Signal Lines" in Page A - 78.)
• Do not wire NC terminals.
Wire colors have been changed according to revisions in the JIS standards for photoelectric and
proximity sensors. The colors in parentheses are the wire colors prior to the revisions.
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