Type:Logic ICs
Condition:New
Model:485HUB
1. SSummary
This product is an active three-isolation RS485 (RS232) to 4-channel RS485 signal isolation converter. The power supply is 10-30V DC wide range power supply. Power input, main RS485 and slave RS485 power supply circuit are separated. Communication signals are separated by high-speed optocoupler, which solves the system application of RS485 bus in complex electromagnetic environment. The output signals of RS485/RS232 are protected by double voltage and current, and the communication converter is very suitable for industrial harsh occasions.
Two. Characteristic
1. Power supply adaptability: 10-30V DC wide range power supply, with polarity protection.
2. Three isolated power supply: power supply, main RS485 signal and isolation from RS485 power supply.
Three Communication signal isolation: 6N137 high speed optocoupler isolation signal
4. Communication output signal protection: RS485 and RS232 communication signal output interface adopts over voltage and over current double protection.
Five Signal indication: LED power indication, data sending indication and receiving indication.
Three. Technical indicators
project | parameter |
Host end RS232/RS485 | 1Baud rate: 1200BPS - 115200bps. 2Interface protection: communication interface adopts over voltage and over current double protection. 3. RS232Electrical interface: DB9 base FourRS485Electrical interface: 3 bit plug-in terminal |
Host port and slave port Communication isolation | 1Signal isolation: 6N137 high speed optical coupler. 2Signal isolation voltage: 1000V (between host and slave terminals) 3Power isolation: dual DCDC isolated power module isolation 4Power isolation voltage: 1000V (power supply, between host and slave terminals). |
4Road RS485 Communication output | 1Baud rate: 1200BPS - 115200bps. 2Interface protection: the output interface adopts over voltage and over current double protection. 3. RS485Electrical interface: 10 bit plug-in terminal 4. Terminal resistance: 4 way RS485 communication output with 120 ohmic terminal resistance. FiveNumber of nodes: the maximum 64 terminals per RS485 interface. SixMaximum transmission distance: 1200 m 9600bps |
Module size | A.Single module size: 104mm*72mm*26mm B.Terminal and guide box size: 124mm*72mm*45mm |
Installation method | Standard DIN guide rail installation (35mm guide or high and low guideway) |
work environment | Temperature: -10 ~ +55 C humidity: 35~85% (no condensation). |
Working power supply | 1Power supply voltage: 10-30V power supply, with polarity protection. 2Power consumption: less than 2W |
Four. Product appearance
Five. Function description of module indicator lamp
Serial number | Name | Indication lamp usage |
1 | RXD | Host terminal communication reception status indication |
2 | TXD | Host terminal communication send status indication |
3 | POW | Module power operation status indication |
4 | CH1 | Input signal indication from CH1 channel RS485 |
5 | CH2 | Input signal indication from CH2 channel RS485 |
6 | CH3 | Input signal indication from CH3 channel RS485 |
7 | CH4 | Input signal indication from CH4 channel RS485 |
Six. Terminal interface definition
Interface area | Terminal number | Explain |
DB9Interface | RS232 | Host RS232 communication interface socket |
3Bit terminal | DATA0+ | Host port RS485 port A |
DATA0- | Host port RS485 port B |
10Bit terminal | GND | Module power input pole |
+Vs | Module power input + pole |
DATA4- | Slave port CH4 RS485 port B |
DATA4+ | Slave port CH4 RS485 port A |
DATA3- | Slave port CH3 RS485 port B |
DATA3+ | Slave port CH3 RS485 port A |
DATA2- | Slave port CH2 RS485 port B |
DATA2+ | Slave port CH2 RS485 port A |
DATA1- | Slave port CH1 RS485 port B |
DATA1+ | Slave port CH1 RS485 port A |
Seven. Principle block diagram
Eight. Typical application wiring diagram
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