Rick DeMeis, Senior Editor --
Design News,
May 21, 2001
Fiber optic sensor
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The D10 Expert? fiber-optic sensor features dual-output channels with independently configurable set points. The sensor's 16-bit microprocessor and TEACH-mode programming deliver 12-bit A/D resolution within a 300-mm range. The device is available with a choice of dual discrete outputs, or a single discrete output paired with a single 0-10V dc analog output. An LCD provides continuous configuration and performance data.
AS-I master controllers provide a freely programmable interface and come in two models. Model AC 1011 supplies a single master controller with up to 124 inputs and 124 outputs. Model AC 1012 has two controllers integrated in the same housing and can accommodate up to 248 inputs and 248 outputs. They both include a PLC with IEC 1131-3 base programming software. Functions are available for commissioning, addressing, and setting parameters.
A long-range ignitor for use with advanced ballasts for metal halide lamps allows the remote mounting of ballasts up to 50 ft from the lamp. This is for metal halide applications from 35 to 400W. The component is UL recognized and CSA certified. It also specifically addresses the severe requirements of transmitting an ignitor pulse through three-conductor wire.
Advance Transformer Co., 10275 W. Higgins Rd., Rosemont, IL 60018; FAX (847) 390-5109.
For information, enter 604
Stacking connectors
Providing 72 circuits per linear inch, HDM stacking connectors are designed for connecting sub-systems in internetworking and telecommunications equipment. The units can be specified with solder-tail or press-fit pins in 72- or 144-circuit segments, offering a simple building-block design. The optional polarizing and mating features found in stainless steel guidance pins and end walls ease installation in blind-mating applications.
A selection of cables utilizes a new insulation system that permits large, open eye patterns, producing transmission lines with digital bandwidth I/Os greater than 2.5 Gb over 50 ft. Including equal mechanical and electrical lengths, the cable, incorporating this insulation, is suitable for automatic termination without the need for pre-testing. The insulation's uniform and dispersed cell structure is robust enough for use in multiple pairs within the cable.
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