TTL auf RS485 Wandler Modul Automatische Richtungssteuerung Adapter Platine❀
4,59 €
With 120 ohm match resistor, short circuit of R0 can enable matching resistor; short circuit is suggested for long-distance transmission. Feature: 1. This module give full consideration to the 485 bus protection design and anti-interference design, high and high performance of EMI; For outdoor long-distance transmission, the earth end of module is connected to the earth, that can have ve.
Jetzt bei Ebay:
