產(chǎn)品詳情：

產(chǎn)品介紹： RS-232轉(zhuǎn)RS-485模塊（隔離RS-232）
特點：
True RS-485 Star Wiring Hub
Power and data flow indicator for troubleshooting
Easy-to-use rotary switch for fixed baud rate setting, 1200 ~ 115200 bps
Power Input, +10 ~ +30 VDC
Independent RS-485 driver for each channel
Automatic RS-485 Direction Control
120 Ω termination resistor for each channel
Operating Temperatures, -25 °C ~ +75 °C
DIN-Rail
規(guī)格：
Interface
Input 1 RS-232 Channel: TxD, RxD and GND
Output 4 RS-485 Channels: Data+, Data-
Transfer Distance Max. 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 Inside Yes
Speed 300 ~ 115200 bps via Self-Tuner mode; 1200 ~ 115200 bps via Fixed Baud Rate mode
ESD Protection Yes
2500 VDC Three Way Isolated Protection Yes
Connection Removable 10-Pin Terminal Block x 1; 9-Pin Female D-Sub x 1
LED Indicators
Power/Communication Yes
Power
Input Voltage Range +10 VDC ~ +30 VDC (Non-isolated)
Power Consumption 1.2 W
Mechanical
Casing Plastic
Flammability Fire Retardant Materials (UL94-V0 Level)
Dimensions (W x H x D) 72 mm x 118 mm x 35 mm
Installation DIN-Rail
Environment
Operating Temperature -25 °C ~ +75 °C
Storage Temperature -30 °C ~ +75 °C
Humidity 10 ~ 90% RH, non-condensing