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WLg-IDA/S is a serial to wireless (WiFi) server designed for industrial and transportation applications, it can be used for material handling, real-time information transmission, and inventory management.
WLg-IDA/N fulfils the most severe requirements in terms of operating environment: operating temperature from -20°C to +70°C, shockproof and vibration proof according to MIL-STD-810F standard, IP30 seal rating.
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Top “C-Key” for quick
and easy
on-site configuration
Save & Restore(no need for
manual reconfiguration).
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WLg-IDA/S relies on the same technology used in the "WLg-xxx" series and thus profit from proven technology.
Product rely on the IEEE 802.11 a/b/g/h standards (2.4 GHz & 5 GHz), it features an full high speed serial port (250 Kbps).
The radio link is made safe by using most modern methods of protection: WEP 64/128 bits, WPA-PSK, WPA2-PSK and authentification IEEE 802.1x (RADIUS).
The nominal range (open space) of the module is 300 m for a transmit power of +20 dBm and -92 dBm in reception (a/g modes) and -95 dBm (IEEE 802.11b mode).
This module supports the following modes: TCP Client / Server, TELNET RFC2217, COM port redirection, TELNET server, raw, point to point (virtual cable) and the serial MODBUS to MODBUS/TCP gateway.
Thanks to its built-in WEB interface, the setup of the device is achieved using the web browser installed on your computer (Internet Explorer, Netscape, Mozilla ...).
It also offers SNMP and NDM administration / configuration and the “C-Key” which allows quick and easy on-site replacement of the WLg-IDA/N unit, eliminating the need to reconfigure the replacement part or to use any other equipment.
Characteristics summary
 1 RS232 / RS422 / 485 serial port (SUB D9), up to 250 Kbps
Support for TCP Client/Server, DHCP Client, TELNET RFC2217 extension,
Telnet Server, COM port re-director (VIP), multipoint or point to point
virtual link over UDP modes and MODBUS/TCP Client/Server, MODBUS/RTU &
MODBUS/ASCII protocols, direct communication (ad hoc) or from access point
54/108 Mbps wireless link compliant to the IEEE 802.11 a/b/g/h &
SUPER AG standards, OFDM, DSSS, 2.4 / 5 GHz
64/128 bits WEP, WPA-PSK, WPA2-PSK, IEEE 802.1x (RADIUS)
Rapid roaming (less than 50 mS in single channel mode)
One 2 dBi omnidirectional 2.4 / 5 GHz antenna, RP-SMA connector
+ 1 RP-SMA connector for a second antenna (diversity mode)
300 m nominal range (line of sight), 60 m in other cases (with built-in antenna),
up to 5 Km with a 20 dBi antenna
Built-in ATHEROS's chip set: AR5414 (AR5006SX)
+20 dBm transmit power, -92 dBm receive level (a/g modes) and
-95 dBm receive level (b mode) with transmitter power output control (TPC)
Configuration from standard internet web browser (built-in web server),
SNMP agent, NDM administration software, TELNET from the serial link
LEDs signalling for serial, WLAN network activity, MAIN & AUX power supply,
radio receive level, “C-Key” detection
SUB D9 male connection for the RS232 interface, 5-point removable clamp cage
terminal for RS422/485
Shockproof & vibration proof rugged metal enclosure L:110 x l:50 x h:120 mm,
weight: 550g
Dual DC power supply (+9VDC to +36VDC), 4.5W typical power consumption
(removable clamp cage terminal)
Alarm: Relay output warning: power failure, WLAN connection failure, Watchdog.
1 FORM B solid state relay, 60V 0.15A, contacts on removable clamp cage terminal
Standards: MIL-STD-810F method 514.5 & 516.5 (shocks & vibrations)
EN 301489-17 & EN 61000-6-2 (EMC), IP 30
Operating temperature: -20°C to +70°C (HR 5-95%) without condensing,
storage: -40°C to +80°C
*More information about serial MODBUS performances on radio links ...
Remote COM port mode
Works with Windows 9x/me/NT/2K/XP, Linux and requires a COM port redirector driver software on the PC (VIP).
This mode is supported by the WLg-IDA/S when running the "ServerCom" firmware and when configured in the TELNET RFC 2217 mode (TELNET RFC 2217 is a standard).
This mode makes it possible to run any Windows COM applications without any adaptation (Hyperterminal for example), basically designed for a local COM port, the Windows communication API is fully supported. COM port configuration is carried out by the application itself and not necessarily by the administration module.
Other redirector softwares relying on the RFC 2217 standard exist for other operating systems.
TCP socket server mode
This mode works with any operating system supporting TCP/IP.
It is supported by the WLg-IDA/S when running the "ServerCom" firmware and when configured in the RAW mode.
The WLg-IDA/S is able to answer to TCP connection request on a configurable TCP port (it is thus a server).
The application which uses the WLg-IDA/S relies on the SOCKET API and not on the COM API.
COM port configuration (speed, characters, flow control) is programmed in the WLg-IDA/S using the administration module.
TCP socket client mode
This mode works with any operating system supporting TCP/IP.
It is supported by the WLg-IDA/S when running the "TCP Client" firmware.
The WLg-IDA/S is able to answer a TCP connection request on a TCP port to a server, the IP address of the server is programmed using the administration module.
Connection origin can be established from WLg-IDA/S power ON of from the rising edge of the DSR signal.
The application which uses the WLg-IDA/S relies on the SOCKET API and not on the COM API.
COM port configuration (speed, characters, flow control) is programmed in the WLg-IDA/S using the administration module.
TELNET mode
This mode works with any operating system supporting TCP/IP and which has a TELNET client software, two cases:
Configured TCP port TCP of the Socket TCP Server mode
This mode is supported by the WLg-IDA/S when running the "ServerCom" firmware and when configured in the TELNET mode.
It doesn't require any application development on the PC, TELNET is the network application!
TCP port #23
This mode is supported by all the WLg-IDA/S firmwares.
When the WLg-IDA/S receives a port 23 connection request, it switches to the administration mode and can thus be configured (speed, mode ...).
AD-HOC mode (point-to-point connection: virtual cable)
This mode enables to provide a full-duplex serial exchange between two serial equipements through the WLg-IDA/S and without using any access point.
However, the point-to-point connection thus carried out rely on IP and no more on the WiFi network substructure, the communication is carried out directly by radio between two WLg-IDA/S equipments like standard radio modems.
MODBUS/TCP data gateway mode
This mode is supported by the WLg-IDA/S when running the "MODBUS/TCP" firmware.
In conformity with the MODBUS/TCP Client / Server specifications, this mode makes it possible to connect any serial MODBUS equipments (MODBUS/ASCII & MODBUS/RTU) to the wireless Ethernet TCP/IP network.
In this mode, the WLg-IDA/S settles like a radio bridge between the wireless Ethernet network and the serial MODBUS equipments which dramatically simplifies the extension from traditional MODBUS installation to a MODBUS/TCP based installation on the wireless Ethernet network.
The WLg-IDA/S device can work as a slave or master device on both sides (Wireless Ethernet or Serial).
This mode also makes it possible to connect between them and in a transparent way several traditional serial MODBUS equipments through the wireless Ethernet network.
WLg-IDA/S with MODBUS/TCP allows moreover integration within the same network of serial MODBUS/ASCII & MODBUS/RTU based equipments and MODBUS/TCP equipments.
Some illustrations
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