通訊與防護
ARTTEK RS485-38
Provide RS485 signal protection for PLC connections using Profibus DB9, with electrical and installation specifications.
Lightning Protection Device
RS485 for Profibus ( DB9 )
Model: RS485-3/8
Application: PLC connection for Profibus
| Technical data | |
| Operating voltage | 5V DC |
| Maximum continuous voltage | 8V DC |
| Discharge current | 2 KA |
| Maximum discharge current | 5 KA |
| Load capacity | 200 mA |
| Voltage protection level (3-8, 3-E, 8-E) | 25 V (20V) |
| Response time | < 1 ns |
| Data rate | 50 MHz |
| Insertion loss | 0.5 dB |
| Protected conductors | Line 3 / Line 8 |
| Ingress protection rating | IP 20 |
| Transmission resistance | 2Ω |
| Operating environment | Temperature -40°C to +80°C; humidity ≤95% |
| Terminals | DB9 |
| Dimensions | 62.5 × 33 × 17 mm |