A new series of electromechanical switches has been developed that is targeted specifically at test equipment applications where fast system integration and system flexibility for modifying and extending switch layout are required. The unique switches are based on an ISO-defined serial communication bus and add tremendous flexibility to today's complex test systems. Only four wires per switch are required to control the unit and read indicator contact status. Complex switch matrices can be assembled without intermediate control circuitry requirements. A network of as many as 100 switches can be controlled by a PC using a standard, commercially available Controller Area Network (CAN) interface card. Programmable features include an identifier (switch address), switch initialization, set position error and pulse length.
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