I-7514U

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

Interface
Input (Master)	1 RS-485 Channel: Data+, Data-
Output (Slave)	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 Isolation on CH1 ~ CH4	2-way Isolated
Connection	Removable 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 Consumption	1.2 W
Mechanical
Casing	Plastic
Flammability	Fire Retardant Materials (UL94-V0 Level)
Dimensions (W x H x D)	72 mm x 122 mm x 35 mm
Installation	DIN-Rail
Environment
Operating Temperature	-25 °C ~ +75 °C
Storage Temperature	-30 °C ~ +80 °C
Humidity	10 ~ 90% RH, non-condensing

I-7514U-G CR

Isolated 4 Channels RS-485 Repeater/Hub/Splitter (Gray Cover) (RoHS)