Modem Radios

Modems are used to connect PLC's in industrial environments. They are suitable for accessing field data loggers or data-acquisition units in process plants. 900 MHz device (Frequency Hopping Spread Spectrum) are now available which share the following features:

• 10/100 BaseT Ethernet plus RS232/RS485 serial ports.
• Military-grade AES security encryption of wireless data.
• Firewall protection and efficient wireless management.
• Message filtering at MAC & IP address level.
• Configuration and diagnostics via web-browser
• Remote configuration and diagnostics via the wireless link
• Automatic changeover to another Access Point if the wireless link fails (mesh networking)
• Modbus Master capability for both Modbus TCP and serial Modbus RTU
• Configurable as Access Point / Client; Bridge / Router / Repeater

900 MHz Wireless Ethernet Modem

D2 W MDME 900

Features

• 902-928 MHz, 0.1 - 1W configurable, Frequency Hopping Spread Spectrum (FHSS).
• Wireless data up to 200kbs
• Typical line-of-sight distance 20 miles North America (4W ERP), up to 60 miles using high gain antennas (4W ERP);
• Serial server functionality
• Discrete channel for status I/O, for failure status or external status transfer

 

Catalog Number	Description
D2 W MDME 900	Ethernet 802.3 900MHz 1W