NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
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NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
The cable recognizer has the main functions of identifying a certain cable from a bundle cable. It consists of a receiver and connector of a signal generator and a sensor. It is a device commonly used in cable erection, migration, maintenance, and troubleshooting.
It is divided into a charging cable identifier and a cable identifier with the main functions of identifying a cable from a bundle cable. It consists of a receiver and connector of a signal generator and a sensor. It is a device commonly used in cable erection, migration, maintenance, and troubleshooting.
It is divided into a charged cable identifier and a non-bandker. Let us talk about their own search methods. 1. Pelicable cable identifier lookup method: When the line is charged, we cannot affect the normal operation. When the tandem cable is identified, the induction method is measured, and the high frequency signal is transmitted through the caliper, passed the signal characteristics. Software and hardware filtering, in performing phase identification, when the reception calipers are in the current direction card cable, the identified cable current table is at the same time, accompanied by sound and light instructions.
The other cable current direction is opposite to the current direction of the recognized cable, and the current table pointer is left. No sound indication. This reflects the uniqueness of the identified target cable.
It is easy to distinguish it in a plurality of cables from a plurality of cables, since the signal current intensity on the cable is identified, the receiving caliper is consistent with the intensity of the electromagnetic signal received along the cable, in principle, identify The cable is not limited by the length of the cable being identified. 2, without the electric cable recognizer finding: the search method of the uncharged cable recognizer is basically connected to the charged identification, and the generator will feed the periodic single-polarial voltage pulse into the cable that is recognized, the cable needs to be grounded at the far end To ensure that there is enough current flow through the cable, the direction of the pulse current in the fed cable can be used as a clear identification standard, and the current flowing only from this cable, all other adjacent cables flow through all other adjacent cables It is returned to the current, but their polarity, through the receiver detects the direction of the cable current and its size, which carries the amplifier and in series, the sensor clamps the magnetic field generated by the cable, current flows over the cable. A voltage in the coil of the sensor, the voltage polarity is determined by the direction of the current direction and the sensor coil, thereby achieving the recognition of the cable. Since the cable shield is usually connected to the ground, other cables are also connected to the public ground, and the black output jack on the generator can be connected to the public, and the return current is distributed in several cable shielding layers, and returns the current into the current. Many tributies means that the difference between the differenced on the cable is recognized, and the useful signal is more clear.“Difference”It means that the output current and the return current thereof are in the same channel.
The above is the introduction of the use of the charged cable recognizer, I hope that people need to help people need.
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