100,00 

50+

Features

wireless Modbus-to-Modbus bridge replacement for RS485 wiring modbus RTU serial protocol wired/wireless combinations very long range, no hopping protected private connection multiple slaves per device multiple addressable groups

Mounting

Device should not be installed inside the metal cabinet.
Distance from antenna to the nearest object should be at least 10cm.

Features

wireless Modbus-to-Modbus bridge replacement for RS485 wiring modbus RTU serial protocol wired/wireless combinations very long range, no hopping protected private connection multiple slaves per device multiple addressable groups

Technical specifications
Serial
Baudrate 2400, 9600, 19200, 38400
Data bits & parity 8n1, 7e1, 8e1, 8n2
Message size 64 bytes max
Galvanic isolation 4kV RS485 to mains (SELV)
Termination resistor 240 Ohm internal, always on
Radio
Frequency band ISM 868MHz (EU)
Subband L 866.8MHz, 25mW, 1% utility
Modulation FSK 38.4kbps 80kHz bandwidth
Listen before talk yes, limited delay 20ms
Group address 32-bit, automatically generated
Connection time 10s power-on to network ready
Message delay 5..20ms, depending on size
Output power 25mW
Operating range 3..300m with optical visibility
General
Power supply 230V, 50..60Hz, 1W
Terminals 0.25..1.5mm2
Operating conditions -20..+50°C, 0..85% rh nc
Storage temperature -40..+85°C
Dimensions 93x45x27mm, 86mm antenna
Weight 90g
Degree of protection IP20
Standards EN60730-1, EN300-220-2

Device is designed for Modbus RTU, but it can be used with any other serial protocol, as long as messages are sent one at a time (half duplex).

Order Code
WM-1
Examples
Secure group