1st time buying from think robotics. Ordered on 3rd August night and got delivered on 5th morning in Hyderabad. Packaging was very secure. My only issue was i did not get any notification email/message when the order was shipped.
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RS485 32-Ch Relay Module
Modbus RTU Protocol, Multi Isolation Protection Circuits, Safe & Stable & Reliable
Ā
Ā
Features At A Glance
This product is an industrial 32-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 32-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, it is possible to turn on the relay for a while and then close it automatically via the command
- Onboard voltage regulator chip, supports 7~36V wide voltage power supply
- 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: ā¤10A 250VAC/30VDC
- Rail-mounted ABS case, easy to install, safe to use
- 3 LEDs for indicating the MCU status and signal transceiving status
Ā
Specifications
| OPERATING VOLTAGE | 7~36V |
|---|---|
| COMMUNICATION INTERFACE | RS485 |
| BAUDRATE | 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 |
| DEFAULT COMMUNICATION FORMAT | 9600, N, 8, 1 |
| RELAY CHANNELS | 32 |
| CONTACT FORM | 1NO 1NC |
| CONTACT RATING | ā¤10A 250VAC/30VDC |
| 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 |
Ā
Onboard Multiple Isolation Protection Circuit
Multiple Protections, More Safe And Reliable
Ā
Rail-Mount Case Design
Rail-Mounted ABS Protective Enclosure, Easy To Install, Safe To Use
Ā
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,Ā It Is Necessary To Use RS485 Repeaters
* for reference only, the USB to RS485 is NOT included.
Ā
Relay Connection
Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC |Ā Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC
Ā
Applications
Dimensions
Ā
Resources & Services
Wiki:Ā www.waveshare.com/wiki/Modbus_RTU_Relay_32CH
Weight: 0.767 kg
Ā
Package Contents
- Modbus RTU Relay 32CH x1
What interfaces and protocol does this module support?
It uses the RS485 interface and supports the Modbus RTU protocol. The device address can be configured from 1 to 255 and multiple units can be cascaded on the RS485 bus.
What protection and isolation features are included?
The module includes multiple isolation protections such as power supply isolation, ADI magnetical isolation, and optocoupler isolation, plus a resettable fuse and TVS diode for surge protection.
What are the power supply and relay specifications?
It operates from 7 to 36 V and has an onboard voltage regulator. Each channel uses a 1NO 1NC relay with a contact rating up to 10 A at 250 VAC or 30 VDC.
How many devices can be connected on the RS485 bus and is long distance support available?
Device addresses can be set from 1 to 255 and multiple devices can be cascaded on the RS485 bus. For many devices or long communication distances, RS485 repeaters may be necessary.
What is included in the package and are there any installation notes?
Package contents include the Modbus RTU Relay 32CH unit and a rail mounted ABS protective enclosure. The USB to RS485 adapter is not included.
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Description
Ask AI about this product
RS485 32-Ch Relay Module
Modbus RTU Protocol, Multi Isolation Protection Circuits, Safe & Stable & Reliable
Ā
Ā
Features At A Glance
This product is an industrial 32-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 32-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, it is possible to turn on the relay for a while and then close it automatically via the command
- Onboard voltage regulator chip, supports 7~36V wide voltage power supply
- 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: ā¤10A 250VAC/30VDC
- Rail-mounted ABS case, easy to install, safe to use
- 3 LEDs for indicating the MCU status and signal transceiving status
Ā
Specifications
| OPERATING VOLTAGE | 7~36V |
|---|---|
| COMMUNICATION INTERFACE | RS485 |
| BAUDRATE | 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 |
| DEFAULT COMMUNICATION FORMAT | 9600, N, 8, 1 |
| RELAY CHANNELS | 32 |
| CONTACT FORM | 1NO 1NC |
| CONTACT RATING | ā¤10A 250VAC/30VDC |
| 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 |
Ā
Onboard Multiple Isolation Protection Circuit
Multiple Protections, More Safe And Reliable
Ā
Rail-Mount Case Design
Rail-Mounted ABS Protective Enclosure, Easy To Install, Safe To Use
Ā
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,Ā It Is Necessary To Use RS485 Repeaters
* for reference only, the USB to RS485 is NOT included.
Ā
Relay Connection
Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC |Ā Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC
Ā
Applications
Dimensions
Ā
Resources & Services
Wiki:Ā www.waveshare.com/wiki/Modbus_RTU_Relay_32CH
Weight: 0.767 kg
Ā
Package Contents
- Modbus RTU Relay 32CH x1
FAQ
What interfaces and protocol does this module support?
It uses the RS485 interface and supports the Modbus RTU protocol. The device address can be configured from 1 to 255 and multiple units can be cascaded on the RS485 bus.
What protection and isolation features are included?
The module includes multiple isolation protections such as power supply isolation, ADI magnetical isolation, and optocoupler isolation, plus a resettable fuse and TVS diode for surge protection.
What are the power supply and relay specifications?
It operates from 7 to 36 V and has an onboard voltage regulator. Each channel uses a 1NO 1NC relay with a contact rating up to 10 A at 250 VAC or 30 VDC.
How many devices can be connected on the RS485 bus and is long distance support available?
Device addresses can be set from 1 to 255 and multiple devices can be cascaded on the RS485 bus. For many devices or long communication distances, RS485 repeaters may be necessary.
What is included in the package and are there any installation notes?
Package contents include the Modbus RTU Relay 32CH unit and a rail mounted ABS protective enclosure. The USB to RS485 adapter is not included.
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