With stable wireless connections in the 2,4 and 5 GHz band, Moxa´s wireless device servers and access points support reliable static radio communication connections in mission-critical automation applications.
Moxa´s SafetyNETp certified AWK-5222 is a flexible and highly reliable solution for industrial wireless networks. With two independent radio modules the device supports various wireless configurations and applications, especially the Moxa-owned radio redundancy mode that increases network reliability by sending redundant packet data across different frequencies for better radio communication stability.
“AWK-5222 offers two radio modules that enable two independent wireless connections. Due to the dual band radio cards, both support the IEEE 802.11a/b/g standards and enable maximum flexibility. For example, in radio redundancy mode a packet can be sent parallel on 2,4 GHz and 5 GHz. This virtually makes the wireless system immune to interference. If one of the connections fails due to interference, the other keeps going,” explains Lars Jaeger, business development manager industrial wireless at Moxa Europe.
Another advantage of the duplicate dual band cards is the possibility to build wireless bridges. In contrast to the commercial WDS (Wireless Distribution System) mode, the wireless bridge uses both radio cards to build master-slave connections on the left and on the right hand side. This type of bridge can achieve a high throughput independent of the nodes. Since the master radio cards can also serve as access points and integrate additional clients into the network, a deterministic mesh structure can be built.
Thanks to powerful filters for access control, AWK-5222 offers enhanced security and the standard model´s operating temperature is 0 to 60°C. Wide temperature models for industrial use from -40 to 75°C are also available. Industrial QoS and VLAN ensure efficient data management and integrated digital I/Os enable onsite monitoring and alarms.
Due to its reliable WLAN performance and unique redundancy feature, AWK-5222 has been deployed in many mission-critical wireless applications already.
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