NSK Megatorque PS Series, User Manual

Page: 40 / 370

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2.9. Specifications of Control Input/Output Interface
2.9.1. CN2: Control Input/Output Signal Connector
The connector and the mating connectors to be used for the CN2 connector are listed in the
Table 2-12.
Table 2-12: Connector list
Connectors for Driver Unit
52986-5079 or equivalent
Mating connectors
54306-5019 or equivalent
Mating connector shell type
Molex Inc.
54331-0501 or equivalent
The following are wiring precautions for the connector CN2.
1) Use shielded cable for wiring of the CN2 connector.
2) Be sure to use twisted cables for the pulse train input and the position feed back
signals.
Wiring length shall be short as possible. (2 [m] maximum)
3) These cables should be laid separately from the main power line.
4) Connect one end of the shielded cable to the frame ground. Refer to “3.3.3. Ground
Connection and Wiring” for the way of connection.
！
Caution : Check for wiring mistake in the polarity of external power supply and
shorting between connector pins.
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Caution : Never connect the idle pins that are instructed as “Do not connect.”
Do not treat the idle pins as instructed at the master controller (PLC,
etc) side after you have connected all pins of the CN2 connector.
◊
Connection of an idle pin that is clearly instructed not to connect
may make the external noise easily affect the Driver Unit, and may
lead to malfunction or breakdown of the Driver Unit.