The concept for the Relay Control System (RCS) actually grew out of an earlier Digalog innovation, the Relay Load Unit (RLU), a GPIB-controlled solution which brings both loads and load switching into a single box that can be positioned out of the main test system chassis and close to the DUT. RLU remains a staple in our line-up of test solutions.
RCS starts with that same idea of configurable modular switching, but in a more scalable and cost-effective form for customers who build their test systems in-house. RCS boards plug right into each other in any order, and the control interface comes down to just four digital lines, something that makes it especially suitable for applications like
Fixture Accessory Switching so that everything can stay inside the fixture, rather than having to be cabled out and then back in.
That same idea makes RCS ideal for "loopback" self-test fixtures which route test system resources to each other under software control, creating an economical way to verify system functionality without the need for expensive source and measurement resources built into the selftest fixture itself.
Digalog's own DigELoad Programmable Electronic Load utilizes an RCS board with high-current relays and on-board current sensing to switch resistive elements in and out of circuit, letting designers simulate in software whatever load their DUT (Device Under Test) will see in actual use, or simulate the load profile of the DUT itself.
And our Lab Distribution System (LDS) helps to tame the complexity of managing a multi-bench lab by centralizing expensive resources like power supplies and loads, using RCS boards to route them to the various benches as needed.
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