MOTOROLA MVME172-323 Channel relay module

Transducer signals are generally low voltage, low power signals. If you are using A-B guidelines for cabling installation, treat the transducer cable as a Category 2 cable. It can be installed in conduit along with other low power cabling such as communication cables and low power ac/dc I/O lines. It cannot be installed in conduit with ac power lines or high power ac/dc I/O lines.

Like all signal and communication cable

 transducer cable should be shielded. These shields must be grounded only at one end of the cable. Because the rack cabinet is typically better grounded than the machine, AMCI recommends that the cable shields be terminated at the 7264 module. However, if your cable shield is attached to the sensor’s housing, and the sensor is grounded through its mounting, you must not connect the cable shields to the 7264 module because this will create a ground loop. • If a junction must be made in the signal cable, treat the shield as a signal-carrying conductor. Do not connect the shield to ground at any junction box or the transducer. • If the signal cable must cross power feed lines, it should do so at right angles. • Route the cable at least five feet from high voltage enclosures, or sources of “rf” radiation.

                                                                        

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