Schneider Automation Modicon Quantum Ethernet Uživatelská příručka Strana 294

  • Stažení
  • Přidat do mých příruček
  • Tisk
  • Strana
    / 900
  • Tabulka s obsahem
  • ŘEŠENÍ PROBLÉMŮ
  • KNIHY
  • Hodnocené. / 5. Na základě hodnocení zákazníků
Zobrazit stránku 293
Modbus Plus NOM
294
35013379 02 October 2007
Specifications The following table shows the specifications for the NOM25200 module.
Specifications
General Communication Ports
Optical Ports 2 (consisting of an optical receiver and transmitter)
Modbus Port 1 RJ45 (phone jack-type) connector
Transmission/Data Rate 1 Mbit/second for Modbus Plus with Bi-Phase S
encoded data
Optical Interface ST-Type connectors
Pulse Width Distortions and Jitter 5 ns or better
Wavelength 820 nm
Power Loss Budget (includes 3 dB
of system margins).
50/125 micron fiber - 6.5 dB
62.5/125 micron fiber - 11 dB
100/140 micron fiber - 16.5 dB
Maximum Distance for point-to-
point connection
2 km over 50 micron fiber
3 km over 62.5 micron fiber
3 km over 100 micron fiber
Maximum System Length in Self
Healing Ring Configuration
10 km over 62.5 micron fiber
Optical Transmitter Specifications
Optical Power (Measured with 1 m
test fiber)
-12.8 ... -19.8 dBm average power in 50/125 micron
fiber cable
-9.0 ... -16 dBm average power in 62.5/125 micron fiber
cable
-3,5 ... -10.5 dBm average power in 100/140 micron
fiber cable
Rise/Fall Time 20 ns or better
Silence (OFF leakage) -43 dBm
Optical Receiver Specifications
Receiver Sensitivity -30 dBm average power
Dynamic Range -20 dB
Detected Silence -36 dBm
Miscellaneous Specifications
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com
Zobrazit stránku 293
1 2 ... 289 290 291 292 293 294 295 296 297 298 299 ... 899 900

Komentáře k této Příručce

Žádné komentáře