Gree TD GUD 30/01 설치 매뉴얼 - 페이지 7
{카테고리_이름} Gree TD GUD 30/01에 대한 설치 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Gree TD GUD 30/01 12 페이지. For u-match r32 units
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RS485 network topology must be arranged as bus (point to point), connection to
star, ring or triangle is not possible !!!
Maximal length of RS485 line is 500 meters.
The rst and the last device on the bus should have terminating resistor 120
tween A and B lines. (some devices do already have this implemented inside, it can be
activated by DIP-switch or by software command - see manual to speci c device)
Meeting these requirements is essential for seamless communication, partic-
ularly in environments with high surrounding electromagnetic interference (i.e.
substations, server rooms, utility rooms).
RS485 cable requirements
Installation manual
be-
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