Switching Amplifier for 3 inductive NAMUR sensors (3 Single Wheel Sensors) or 1 inductive NAMUR double sensor (1 Double Wheel Sensor)

Type

G84/97/... without pulse extension
G84/122/... with pulse extension 1 sec.

• Switching amplifier for 3 single sensors or 1 double wheel sensor (2 internal systems) - NAMUR
• Optocoupler output
• Available with or without pulse extension
• All functions visible via LEDs
• Function reversal by jumper

The switching amplifier comprises 3 channels. Up to 3 NAMUR single wheel sensors or 1 double wheel sensor can be connected.

The switching amplifier consists of 3 independent NAMUR amplifiers which comprise, depending on the model, a pulse extension to a duration of 1 second per channel. The duration of the pulse extension can be preset internally by the manufacturer. As signal transmitters, the following models can be used:

• N59-1R-200-45 Single wheel sensor according to DIN 19234 (NAMUR)
• 2N59-1R-200-45 Single wheel sensor according to DIN 19234 (NAMUR)
• 2N59-1R-200-40 Single wheel sensor according to DIN 19234 (NAMUR)

All signal transmitter conductors are monitored for a line fault. The signal transmitters operate contactless, i.e. there is no mechanical link between the wheel flange and the signal transmitter. When a ferromagnetic material such as the rail cars wheel flange moves along the active surfaces of the signal transmitters (wheel sensor), the movement of the wheel flange is transformed into electric pulses by the wheel sensor (transmitter) and detected at the amplifier inputs processed and made available as a digital output signal via an optocoupler output.

Specifications

Input circuit:

3 independent channels.

Output circuit: