8-Port RS485 HUB 8-Channel Splitter Sharer Industrial Grade Optically Isolated Repeater Guide Rail Collector Distributor Divide
?The 8-way hub is an RS-485 line split hub (HUB) designed specifically for industrial automation communications, which addresses the RS-485 bus star structure networking, and the requirements of RS485 large systems in complex electromagnetic fields. Supports transmission rates up to 115.2KBPS, and the RS-485 interface uses photoelectric isolation technology. A 600W lightning surge protection circuit provides 1000V isolation voltage to effectively suppress lightning and ESD protection.
?The discrimination circuit used in the RS-485 operating mode can automatically sense the direction of the data flow, and automatically switch the enabling circuit, easily solving the RS-485 transceiver conversion delay problem. The RS-485 interface has a transmission distance greater than 3000 meters and stable performance. Widely used in highway toll collection systems, road monitoring systems, and power acquisition systems, it is a data interface conversion product with excellent performance and excellent price.
Product Parameters
Industrial Grade Isolated RS-485 HUB
Interface Characteristics
Interface compatible with EIA/TIA RS-485 standards
Electrical Interface
RS-485 Interface is a ten position terminal post
Transmission Medium
Twisted pair or shielded wire
Operation Mode
Asynchronous half duplex
Working Power Supply
9-40VDC/500mA
Signal Indication
11 Signal indicator lights power supply (PWR), transmit (TD), receive (RD), fault (E1-E8)
Isolation Degree
Isolated voltage 2500V RMS 500VDC continuous DC/DC module
Transmission Speed
300bps-115.2Kbps
Protection Level
RS-485 interface 600W lightning surge protection per line
Transmission Distance
0-3KM(300-115,200bps)
Size
122x72x26mm
Usage environment
-40?~85??The relative humidity is 5%~95%
Electrical Interface and Definition
Interface compatible with EIA/TA RS-485 Standards
Terminal
Mark
Definition
1
GND
Negative pole of power supply
2
VCC
Power supply 9-40V
3
485B
IN RS-485-
4
485A
IN RS-485+
5
485B
E8 RS-485-
6
485A
E8 RS-485+
7
485B
E7 RS-485-
8
485A
E7 RS-485+
9
485B
E6 RS-485-
10
485A
E6 RS-485+
Terminal
Mark
Definition
1
485A
E1 RS-485+
2
485B
E1 RS-485-
3
485A
E2 RS-485+
4
485B
E2 RS-485-
5
485A
E3 RS-485+
6
485B
E3 RS-485-
7
485A
E4 RS-485+
8
485B
E4 RS-485-
9
485A
E5 RS-485+
10
485B
E5 RS-485-
Specifications
Material
ABS Plastic
Origin
Mainland China
Place of original
Anhui,China