Capable of high speed communications with serial devices, the ELPRO 905U-D can communicate using either transparent broadcast mode or a controlled addressed mode.
Both offer node to node, node to multi-node and repeatability for greater range.
Integrated forward error correction maximizes bit error rate providing greater transmission reliability and configurable DTR controlled low power mode on the RS232 port aids reduction of overall power consumption.
The modem is hazardous area approved delivering strong resistance in harsh industrial environments.
905U-D
Description
The ELPRO 905U-D Wireless Serial Modem is a robust, license-free serial transceiver capable of long range communications to 32km/20mile.
Operating at 900MHz and up to 1W, the ELPRO 905U-D provides high-speed RS232 and RS485 connectivity up to 115kbps, which provides robust and secure two-way wireless serial communications in challenging environments typical of industrial monitoring and control applications.
- Capable of high speed communications with serial devices, the ELPRO 905U-D can communicate using either transparent broadcast mode or a controlled addressed mode.
- Both offer node to node, node to multi-node and repeatability for greater range.
- Integrated forward error correction maximizes bit error rate providing greater transmission reliability and configurable DTR controlled low power mode on the RS232 port aids reduction of overall power consumption.
- The modem is hazardous area approved delivering strong resistance in harsh industrial environments.
Capabilities
- 902 – 928MHz Frequency up to 1W RF Power
- Frequency Hopping Spread Spectrum to 115.2kbps
- 50 x 250kHz Channel Spacing
- High Speed RS232 and RS485 Data Rate to 115kbps
- Transparent/Simultaneous Broadcast and Addressable Device Messaging
- LOS Distance to 32kms (20miles) in a Single Hop – Unlimited Repeatability
- Low Power Consumption Mode with DTR Control
- Forward Error Correction Communications (CRC Error Checking with ARQ)
- Simplistic Configuration for AT Hayes Commands or Windows Software
- Helpful Diagnostics Include Radio Signal Strength and BER Indication
Tech Specs
POWER SUPPLY
SERIAL PORTS
SERIAL PORTS
| SPECIFICATION | DESCRIPTION |
|---|---|
| GENERAL | |
| EMC specification | FCC Part 15
EN 300 683 AS 3548 89/336/EEC |
| Radio specification | FCC Part 15.427 (902 — 928MHz, 1W)
AS 4268.2 (915 — 928MHz, 1W) RFS29 NZ (920 — 928MHz, 1W) |
| Housing | 32 MB |
| Packet buffer | 110 x 185 x 30mm DIN rail mount (Powder-coated, extruded aluminium) |
| Terminal blocks | Removable (Suitable for 12 gauge (2.5sqmm) conductors) |
| LED indication | OK operation, Serial RX and TX, Radio RX and TX, DCD active |
| Operating Temperature | -40 to +55 degrees C (Full performance)
-40 to +70 degrees C (Typical performance) 0 — 99% RH non-condensing |
| Connectors | |
| Nominal supply | 10 to 30VDC (Overvoltage and reverse voltage protected)
13 to 24VAC |
| Current Drain @ 12VDC | 80 mA quiescent (During transmission 350mA)
20mA (low power mode) |
| Current Drain @ 24VDC | 50 mA quiescent (During transmission 250mA)
15mA (low power mode) |
| RADIO TRANSCEIVER | |
| Spread-spectrum, frequency hopping | 100 channels, 16 hop sets (902 — 928 MHz) |
| Transmit power | 1W (USA/Canada 4W ERP; Australia / NZ 1W ERP) |
| Signal detect / RSSI | -120 to -60 dBm |
| Expected line-of-sight range | USA / Canada (20+ miles)
Australia / NZ (20+ km) Range based on 19200 baud. At 57600 baud, expected range is 60%, |
| Antenna Connector | Female SMA coaxial |
| RS232 Port | DB9 female DCE (RTS/CTS/DTR/DCD hardware signals provided) |
| RS485 Port | 2 pin terminal block (Max distance 4000‘ / 1.2 km) |
| Data rate (bit/sec) – configurable | 1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 76800, 115200 |
| Byte format | 7 or 8 data bits (Stop/start/parity bits configurable) |
| SYSTEM PARAMETERS | |
| Operating modes | Transparent mode (Broadcast system)
Controlled mode (Addressed communications with acknowledged) |
| System address | Configurable 8 bit |
| User Configuration | (Hayes commands from host device. Or via on-board DIP switches) |
| DIAGNOSTICS | LED‘s (OK, DCD, Radio and Serial RX/TX)
Low signal receive led CTS/RTS indication RSSI measurement in dBm (BER test) |
Brochure/User Manual
You must be logged in to post a review.
Reviews
There are no reviews yet.