Mitsubishi Electric MELSEC QS SERIES User Manual page 89

6
PROCEDURES AND SETTINGS BEFORE SYSTEM
OPERATION
POINT
Use T and COM terminals as explained below.
• T terminal : For connection with a safety switch (2 NC contacts). An
• COM+ terminal : For connection with a safety switch (1 NC/1 NO
• COM- terminal : For connection with a sensor. An input dark test cannot
input dark test can be performed. While the input dark
test is not executed, a voltage (+24VDC) is applied
between T terminals.
contacts). An input dark test cannot be performed.
be performed.
6.5.6 Safety devices and wiring example
6
6.5 Wiring
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