07 July 2009
The high-performance enables complete, continuous plant monitoring without considerably raising the investment costs. Its price is approximately 10% above the simple Fieldbus Power Supply,The new power supply is an addition to R STAHL’s product line, which includes the ISbus Fieldbus Power Supply SystemThe Advanced Fieldbus Power Supply continuously reads the physical parameters (physical layer) of the fieldbus, such as voltage and current on the trunk, communication level, noise level, asymmetries and jitter. If these parameters deteriorate by a value that can be freely adjusted on the device, the system will signal a warning via a yellow LED and simultaneously transfer the warning message to the control system via a potential-free relay contact. Situations which completely exceed or fall below the fieldbus specification are signalled via a red LED and the relay contact. The Advanced Fieldbus Power Supply can be connected to a PC via a serial interface in order to read out data if detailed information about physical layer parameters is required. Just like the basic version, the Advanced Fieldbus Power Supply System supplies the fieldbus with 28 V and 500 mA and enables a 1 A supply via a parallel connection of two devices in “Boost” mode. An additional advantage: the optional redundant supply also ensures redundant diagnosis. The units, which can be installed on a DIN rail or on bus-Carriers, can be operated in mixed installations with basic models. Featuring the completely new integrated physical layer diagnosis concept, the Advanced Fieldbus Power Supply System allows for integrated, cost-efficient monitoring of fieldbus installations, rendering complex and costly separate diagnosis modules unnecessary. www.stahl.de LINKCODE XXXXXXR. STAHL
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