Gree TD GUD 30/01 Kurulum Kılavuzu - Sayfa 6

Ağ Geçidi Gree TD GUD 30/01 için çevrimiçi göz atın veya pdf Kurulum Kılavuzu indirin. Gree TD GUD 30/01 12 sayfaları. For u-match r32 units

RS485 cable requirements

2 RS485 cable requirements

The communication is running on RS485 line and must be connected by cables specially

designed for this. These cables should conform demands by EIA-485 speci cation. (E.g.

see BELDEN 3016A)

It requires shielded twisted 2-pair cable or 1.5-pair cable. Recommended thickness

of cable lines is 0,2 - 0,32 mm (24 - 22 AWG,

One twisted pair is used for connection of A and B. Remaining line(s) are used for

GND connection.

Shielding of the cable must be attached on the chassis of one of the devices. Best

practice is to attach it on the outmost indoor unit chassis.

6 Modbus Gateway

0.5 - 0.65 mm)