Mikroelektronika d.o.o.
SKU: MIKROE-2673RS485 Isolator Click Board
RS485 Isolator Click Board
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The RS-485 Isolator Click Board™ is an RS485 communication isolator and carries the ADM2682EBRIZ, a 5 kV RMS signal and power isolated RS-485 transceiver.
The RS-485 Isolator Click Board™ is designed to run on either a 3.3V or 5V power supply. It communicates with the target microcontroller over the UART interface, with additional functionality provided by the RST and CS pin on the MikroBUSline.
The RS485 Isolator Click Board™ is a RS485 communication isolator, and carries the ADM2682E, a 5 kV rms signal and power isolated RS-485 transceiver, from Analog Devices. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target microcontroller over UART interface, with additional functionality provided by the RST and CS pin on the mikroBUS™ line.
Use the click for isolating RS485 communication, and preventing voltage spikes from destroying sensitive equipment.
ADM2682EBRIZ Transceiver Features
The ADM2682EBRIZ is a fully integrated 5 kV rms signal and power isolated data transceiver with ±15 kV ESD protection that is suitable for high-speed communication on multipoint transmission lines. The ADM2682EBRIZ includes an integrated 5 kV rms isolated dc-to-dc power supply that eliminates the need for an external dc-to-dc isolation block.
Specifications
| Type | Isolators,RS485 |
| Applications | Isolated RS-485 interfaces, industrial field networks, multipoint data transmission systems |
| On-board modules | ADM2682EBRIZ, a 5 kV rms signal and power isolated RS-485 transceiver |
| Key Features | fully integrated 5 kV rms signal and power isolated data transceiver with ±15 kV ESD protection, integrated 5 kV rms isolated dc-to-dc power supply |
| Interface | GPIO,UART |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
Pinout diagram
This table shows how the pinout on the RS485 Isolator Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| Receiver Enable | RE | 2 | RST | INT | 15 | NC | |
| Driver enable | DE | 3 | CS | TX | 14 | RXD | Receiver Output Data |
| NC | 4 | SCK | RX | 13 | TXD | Driver Input | |
| NC | 5 | MISO | SCL | 12 | NC | ||
| NC | 6 | MOSI | SDA | 11 | NC | ||
| Power supply | +3.3V | 7 | 3.3V | 5V | 10 | +5V | Power supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
Jumpers and settings
| Designator | Name | Default Position | Default Option | Description |
|---|---|---|---|---|
| JP1 | PWR.SEL. | Left | 3V3 | Power Supply Voltage Selection 3V3/5V, left position 3V3, right position 5V |
LEDs and buttons
| Designator | Name | Type | Description |
|---|---|---|---|
| TB1 | SCREW TERMINAL | A and B part of RS485 comm lines. | |
| TB2 | SCREW TERMINAL | Y and Z part of RS485 comm lines |
RS485 Isolator Click Board
Frequently Asked Questions
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