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RS485 2 Master Station Communication Repeater, Inter-Master Station Communication Modbus Protocol Data Sharer
- Thermostats & Accessories
- RS485 2 Master Station Communication Repeater, Inter-Master Station Communication Modbus Protocol Data Sharer
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Overview
Specs
Reviews
Thermostats & Accessories
Module parameters
Model: GC-503 (RS485 two-master communication repeater)
Working voltage: DC9~30V
Working current: 100mA
Function overview: realize data interaction between two Modbus master stations
Applicable protocol: Modbus-RTU
Cache size: 500 register data can be cached*2
Interface: 2 RS485 interfaces (both connected to the master station)
Indicator lights: 3 indicator lights (one power light + two communication indicator lights)
Product size: length, width and height 100x54x32mm (including both ends)
Product weight: 80g (net weight) 100g (gross weight, including accessories and box)
Operating environment: -40~85, relative humidity 5%-95%
Communication parameters
Communication type: Isolated RS-485 (isolation voltage 2500V)
Communication protocol: Modbus RTU (master + slave)
Communication distance: 1200 meters
Baud rate: 1200 -115200bps, default 9600 (8,n,1)
Others: Stop bit can be set, check bit can be set
Protection level: RS-485 interface 600W surge protection per line, ±15KV ESD protection
Interface definition
Main station 2 end
Terminal/Mark/Definition
The 1/485A/MA2 port needs to be connected to the master station, and GND generally does not need to be connected.
The 2/485B/MA2 port needs to be connected to the master station, and GND generally does not need to be connected.
3/GND/MA2 port needs to be connected to the master station, GND generally does not need to be connected
Main station 1 end
Terminal/Mark/Definition
1/GND/power 0V
2/VCC/Power supply 12~30V
3/485B/MA1 interface needs to be connected to the master station
The 4/485A/MA1 interface needs to be connected to the master station
Turn the DIP switch /ON/ to ON, and the module enters configuration mode.
Turn the DIP switch /OFF/ to OFF and the module starts running.
Indicator light description
PWR: power indicator light. Always on means the module is powered
MA1, MA2 interface indicator lights. Flashing indicates that the MA1 and MA2 interfaces are communicating.
==========
Supply Voltage : DC9~30V
Type : Voltage Regulator
Condition :
Module parameters
Model: GC-503 (RS485 two-master communication repeater)
Working voltage: DC9~30V
Working current: 100mA
Function overview: realize data interaction between two Modbus master stations
Applicable protocol: Modbus-RTU
Cache size: 500 register data can be cached*2
Interface: 2 RS485 interfaces (both connected to the master station)
Indicator lights: 3 indicator lights (one power light + two communication indicator lights)
Product size: length, width and height 100x54x32mm (including both ends)
Product weight: 80g (net weight) 100g (gross weight, including accessories and box)
Operating environment: -40~85, relative humidity 5%-95%
Communication parameters
Communication type: Isolated RS-485 (isolation voltage 2500V)
Communication protocol: Modbus RTU (master + slave)
Communication distance: 1200 meters
Baud rate: 1200 -115200bps, default 9600 (8,n,1)
Others: Stop bit can be set, check bit can be set
Protection level: RS-485 interface 600W surge protection per line, ±15KV ESD protection
Interface definition
Main station 2 end
Terminal/Mark/Definition
The 1/485A/MA2 port needs to be connected to the master station, and GND generally does not need to be connected.
The 2/485B/MA2 port needs to be connected to the master station, and GND generally does not need to be connected.
3/GND/MA2 port needs to be connected to the master station, GND generally does not need to be connected
Main station 1 end
Terminal/Mark/Definition
1/GND/power 0V
2/VCC/Power supply 12~30V
3/485B/MA1 interface needs to be connected to the master station
The 4/485A/MA1 interface needs to be connected to the master station
Turn the DIP switch /ON/ to ON, and the module enters configuration mode.
Turn the DIP switch /OFF/ to OFF and the module starts running.
Indicator light description
PWR: power indicator light. Always on means the module is powered
MA1, MA2 interface indicator lights. Flashing indicates that the MA1 and MA2 interfaces are communicating.
==========
Supply Voltage : DC9~30V
Type : Voltage Regulator
Condition :
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by Coretix Return Policy
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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