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Figure 4.1 shows the basic connection diagram. When connecting the communications card to an SX bus,
observe the following precautions.
Precautions for SX bus connection
(1) Be sure to use SX-bus dedicated cables.
Model: NP1C-P3 (0.3 m) to NP1C-25 (25 m)
For details about the cable specifications, refer to the MICREX-SX user's manual (Hardware version)
which can be downloaded for free from our website at:
http://www.fujielectric.com/
(2) Before proceeding with connection, make sure that both the MICREX-SX and the inverter are powered OFF.
(3) Put the terminating connectors (that come with the CPU module of the MICREX-SX) in both ends of the SX
bus.
(4) One end of the SX-bus cable should be connected with the OUT SX-bus connector, and the other end, with
the IN connector. The OUT-OUT or IN-IN connection does not enable communication. Route SX-bus cables
so that the bending radius is at least 50 mm.
(5) A maximum of 10 communications cards can be connected to a same SX bus. (The maximum number of
cards connectable decreases depending upon the MICREX-SX system configuration.)
For details, refer to the MICREX-SX user's manual.
Neither a terminating connector nor an SX-bus cable comes with this communications card. Those
parts that match the connection distance are necessary. (The terminating connectors that come with
the CPU module of the MICREX-SX series can be used.)
Summary of Contents for OPC-G1-SX.
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