Wireless RTUs

27 April 2011 Telecoms, Datacoms, Wireless, IoT

Moxa’s ioLogik W5300 series of wireless RTUs, including the GPRS and 3G HSDPA models, now incorporate new capabilities. The new functions provide enhanced, more flexible data-logging, SMS intelligence, networking functionality, and serial and I/O connectivity.

An upgrade from the previous simple data-logging with 1 GB cap on SD and the FTP log file upload, means that the I/O can be logged in accordance with customer’s requirements, such as creating a log when there is a status change, by time interval or by a preset schedule. In addition, Click&Go logic works with the data-logging function to provide flexibility for triggering a new log, deciding when to start and stop logging, and choosing either the use of FTP (client on the ioLogik) or e-mail attachments to upload log files. With up to 2 GB of SD storage space, log histories can be preserved over a longer time period.

The ioLogik W5300 series offers network interface selection to ensure maximum uptime and availability. Besides using cellular as the primary (WAN) interface, the cellular micro RTU can be configured to operate via LAN as the primary connection. When detecting the failure of the LAN network, it switches to the backup cellular interface automatically and maintains the data uploaded to reduce downtime. When the primary LAN comes online again, the module will then switch back to it. The W5300 also supports port forwarding which enables WAN-to-LAN communication with port redirection settings. This allows external WAN hosts such as SCADA/HMI systems to connect to specific field devices that are connected to the module’s LAN port.

By leveraging mobile SMS, the ioLogik W5300’s alarm escalation technology ensures that alarms are delivered. The escalation and acknowledgement process can be configured in the Click&Go interface where the recipients may acknowledge alarms by sending a simple SMS from their mobile phones to the cellular RTU. The SMS command can also be used to query or set I/O.

The ioLogik W5300 is now also expandable with extra ioLogik E1200 I/O modules. The ioLogik E1200 supports daisy chained wiring and peer-to-peer I/O extension. With the new firmware, the number of permissible expansion modules increases from six to nine.

Credit(s)

RJ Connect

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