The line transformer 500LTD02 is designed for FSK channels with 9.6kBd and to isolate and protect the RTU500 series Modems 23WT24 and 560FSM11 from the telecontrol line. Moreover it can also be connected to other data terminal equipments. It operates at a frequency range from 2 kHz to 50 kHz and is optimized for line impedances of 150 Ohms which applies to above mentioned modems.
The ABB 500LTD02 is a line transformer specifically designed for FSK channels operating at 9.6kBd. Its primary function is to isolate and protect RTU500 series Modems, such as the 23WT24 and 560FSM11, from telecontrol lines. It can also be connected to other data terminal equipment.
| Working frequencies | 2 kHz … 50 kHz |
|---|---|
| Ratio | 1 : 1 |
| Impedance | Transparent, optimized for 150 Ohms |
| Insulation test voltage | > 7.5 kV, 10s |
| Insulation Resistance | 10 000 MΩ at 500V |
| Dimensions (H x W x D) | 46 x 64 x 37 mm |
| Weight | approx. 0.055 kg |
| Temperature range | 0 … 70 ºC |
It is designed to isolate and protect RTU500 series Modems, specifically models 23WT24 and 560FSM11.
Two line transformers are required: one for the transmitting direction and one for the receiving direction.