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Features At A Glance
This product is an industrial 16-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS case.
The Modbus RTU 16-Ch Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
- Configurable device address (1~255), multi devices can be cascaded on RS485 bus
- Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody ADI magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
- Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
- Onboard dedicated relay driver chip, with built-in freewheeling diode protection, the driving ability is stronger and more stable
- Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
- High quality relay, contact rating: ≤10A 250VAC/30VDC
- Rail-mounted ABS case, easy to install, safe to use
- 3 LEDs for indicating the MCU status and signal transceiving status
Specifications
OPERATING VOLTAGE |
5V |
COMMUNICATION INTERFACE |
RS485 |
BAUDRATE |
4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 |
DEFAULT COMMUNICATION FORMAT |
9600, N, 8, 1 |
RELAY CHANNELS |
16 |
CONTACT FORM |
1NO 1NC |
COMMUNICATION PROTOCOL |
Standard Modbus RTU protocol |
RS485 ADDRESS |
1~255 |
LED INDICATORS |
STA: MCU indicator, keep flashing when the MCU normally working
TXD: TX indicator, lights up when sending data
RXD: RX indicator, lights up when receiving data |
Onboard Multiple Isolation Protection Circuit
Multiple Protections, More Safe And Reliable
Rail-Mount Case Design
Rail-Mounted ABS Protective 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 The Communication Distance Is Quite Long, It Is Necessary To Use RS485 Repeaters
* for reference only, the USB to RS485 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: 0.556 kg
- Modbus RTU Relay 16CH x1
- US plug 5V 2A Power supply (with EU head adapter) x1
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