by incorrect connection
High quality relay, contact rating: ≤10A 250VAC/30VDC Rail-mounted ABS plastic enclosure, easy to install, safe to use 3 LEDs for indicating the MCU status and signal transceiving status Specifications
PRODUCT |
|
Modbus RTU Relay (B) |
Power supply |
|
7~36V |
Communication interface |
RS485 |
Baudrate |
4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 |
Default communication format |
9600, N, 8, 1 |
Relay channels |
8 |
Contact form |
1NO 1NC |
contact rating |
≤10A 250VAC/30VDC |
Communication protocol |
Standard Modbus RTU protocol |
RS485 address |
1~255 |
LED indicators |
STA: MCU indicator, keeps flashing when the MCU normally working TXD: TX indicator, lights up when sending data RXD: RX indicator, lights up when receiving data |
Hardware Analysis
Multiple Protections For Safer And More Reliable Use
Enclosure Design
Rail-Mounted ABS Plastic Enclosure, Easy To Install, Safe To Use
RS485 Communication
Configurable Device Address (1~255), Multi Devices Can Be Cascaded On RS485 Bus
In Case Of Many Devices Are Cascaded, Or Communication Distance Is Quite Long, It Is Necessary To Use RS485 Repeaters
for reference only, the USB TO RS232/485/TTL converter is Not included
Relay Connection
Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC
Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC
Applications
Product Show
Outline Dimensions
- PACKAGE CONTENT
Weight: 0.244 kg
- The power supply of this product is not included, it is recommended to purchase 12V power supply if you need it.
- It is also recommended to purchase w15817 or w22547 or w17286 at the same time for easy testing.
Modbus RTU Relay (B) x1
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