Transmitter and receiver enable speedy SERCOS

Agilent Technologies has a fibre-optic transmitter and receiver optimised for emerging 16Mbaud serial real-time communications system (SERCOS) industrial applications.

Agilent Technologies introduced a fibre-optic transmitter and receiver optimised for emerging 16Mbaud serial real-time communications system (SERCOS) industrial applications.

The Agilent HFBR-1506AM transmitter and HFBR-2506AM receiver provide two-way communication between the system controller and digital drive using a fibre-optic cable.

With the increased 16Mbaud speed, the SERCOS interface can keep pace with the latest, fastest digital drives in the industry.

Developed in Europe, SERCOS is the world's only nonproprietary real-time digital communication standard for motion control on the factory floor.

SERCOS was specifically designed to replace the older analogue interface, which is susceptible to noise, limited resolution and drift.

The introduction of the new SERCON816 controller has quadrupled the speed of its predecessor controller at a much lower price point and supports the 2 and 4Mbaud transfer rate now used, as well as 8 or 16Mbaud for emerging factory automation requirements.

With this development, low-cost 16Mbaud fibre-optic transmitters and receivers are needed to fully capitalise on the speed performance of the new controller and to help proliferate the growth of distributed factory networking.

The Agilent HFBR-1506AM 650nm fibre-optic transmitter and HFBR-2506AM receiver will operate at 2, 4, 8 and 16Mbaud, use the low-cost SMA connector, and are supplied in a plastic housing coated with a thin layer of metal to enhance their ESD performance.

The Agilent HFBR-1506AM transmitter incorporates a 650nm LED providing sufficient optical output to permit the use of both plastic optical fibre enabling a reach of 40m, and hard clad silica fibre for a 200m reach.

The HFBR-2506AM receiver consists of a silicon PIN photodiode and digitising IC to produce a logic-compatible output.

The IC includes a circuit to correct the pulsewidth distortion of the first bit after a long idle period to enable operation from DC to 16Mbaud with low pulsewidth distortion for arbitrary data patterns.

The receiver output is compatible with both TTL and CMOS logic.

The Agilent HFBR-1506AM fibre-optic transmitter and the HFBR-2506AM fibre-optic receiver are immediately available through Agilent's direct sales channel, and through Agilent's global distribution partners.

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