产品介绍：4路隔离RS-485有源集线器

产品特点：

True RS-485 Star Wiring Hub

Independent RS-485 driver for each channel

LEDs for indicating RS-485 TxD/RxD activity

Auto Switching baud rate, 300 ~ 115200 bps and fixed baud rate setting via rotary switch, 1200 ~ 115200 bps

Hubs can be daisy chained for 256 channels

120Ω termination resistor for each channel

Power Input, +10 ~ +30 VDC

Operating Temperatures, -25 °C ~ +75 °C

DIN-Rail

产品规格：

Interface

Input (Master)1 RS-485 Channel: Data+, Data-

Output (Slave)4 RS-485 Channels: Data+, Data-

Transfer DistanceMax. 1,200 m at 9.6 kbps; Max. 400 m at 115.2 kbps (Belden 9841 2P twisted-pair cable, if different cables are used, the transmission distance may change)

Self-Tuner Asic InsideYes

Speed300 ~ 115200 bps via Self-Tuner mode; 1200 ~ 115200 bps via Fixed Baud Rate mode

ESD ProtectionYes

2500 VDC Isolation on CH1 ~ CH42-way Isolated

ConnectionRemovable 10-Pin Terminal Block x 1; Removable 6-Pin Terminal Block x 1

LED Indicators

Power/Communication(TxD/RxD)Yes

Power

Input Voltage Range+10 VDC ~ +30 VDC (Non-isolated)

Power Consumption1.2 W

Mechanical

CasingPlastic

FlammabilityFire Retardant Materials (UL94-V0 Level)

Dimensions (W x H x D)72 mm x 122 mm x 35 mm

InstallationDIN-Rail

Environment

Operating Temperature-25 °C ~ +75 °C

Storage Temperature-30 °C ~ +80 °C

Humidity10 ~ 90% RH, non-condensing