RFU-IO-920
RFU-IO-920
920 MHz RF Wireless I/O Module, Single-Slot I/O Expansion Board
Features
- 920 MHz Radio Frequency
- 16 RF channels
- Provides RF Baud Rates from 5 k to 250 kbps
- RF output power maximum 18 dBm
- Provides 4 Group IDs numbered from 0 ~ 3.
- Wireless line of sight (LOS) transmission range of up to 300 meters at an RF Baud Rate of 125 kbps and output power 18 dBm.
- Modbus RTU communication protocol.
- Modbus station ID: 1 ~ 32.
- One XV I/O board can be installed.
- Supports I/O pair-connection mode.
- Supports repeater mode
- Introduction
- Application
- Specification
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Introduction
MDC-211-433 is a Modbus data concentrator developed by ICP DAS. It has Ethernet, 433MHz wireless communication, RS-232 and RS-485 communication interfaces, and can connect Modbus RTU devices to the Ethernet network. In addition, MDC-211-433 will sequentially read the data of Modbus RTU devices according to the user-defined command list, and integrate the data of different Modbus RTU devices into a continuous address format, so that the remote monitoring host can connect to MDC-211-433 via Ethernet to access the data of multiple Modbus RTU devices at one time. Therefore, through the Modbus data centralized management function of MDC-211-433 and the convenient connection and communication capabilities of Ethernet, a stable remote monitoring system can be quickly established, allowing users to greatly simplify the difficulty of data collection, and then reduce the traffic loading of the Ethernet network to improve system performance.
| RFU-IO | |||||
|---|---|---|---|---|---|
| Model | Frequency | Transmission Distance (LoS) | Protocol | Antenna Base | Cable |
| RFU-IO-433 | 433 MHz | 300 m | Modbus | ANT-Base-02 | 3S001-1 |
| RFU-IO-920 | 920 MHz | 500 m | Modbus | ANT-Base-02 | 3S001-1 |
Application
Specification
| EMS Protection | |
|---|---|
| EFT (IEC 61000-4-4) | ±1 kV |
| ESD (IEC 61000-4-2) | ±4 kV (contact) |
| Surge (IEC 61000-4-5) | ±1 kV |
| LED Indicators | |
|---|---|
| Status | PWR × 1, Tx × 1, Rx × 1 |
| RF | |
|---|---|
| Antenna | 0 dBi Omni-directional, RP-SMA |
| Baud Rate | 5 kbps – 250 kbps |
| Channels | 0 – 15 |
| Group ID | 0 – 3 |
| Protocol | Modbus RTU |
| Radio Frequency | 920.0000 – 924.6875 MHz |
| Transmission Power | Maximum 18 dBm |
| Transmission Distance (LoS) | 300 m (125 kbps, output power 18 dBm) |
| Antenna | |
|---|---|
| Dimensions (mm) | 108 × 10 mm |
| Power | |
|---|---|
| Input Range | +10 VDC – +30 VDC |
| Consumption | 1.2 W @ 24 VDC (excluding XV board) |
| Mechanical | |
|---|---|
| Dimensions (mm) | 158 × 38 × 97 mm |
| Installation | DIN rail |
| Environment | |
|---|---|
| Operating Temperature | −25 °C – +75 °C |
| Storage Temperature | −30 °C – +80 °C |
| Humidity | 10 – 90% RH (non-condensing) |
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