Multitest, DVM-based data acquisition system on an LSI-11/23, running under RSX-11M
D.H. Liston, W.M. McDonald, S.D. Koopman · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 1981
A digital voltmeter (DVM) based data acquisition system that allows multiple simultaneous tests to be conducted concurrently was designed. Using an LSI-11/23 and the RSX-11M operating system, the system acquires, displays, and stores data from strain gages, load cells, etc. Post-test data can also be routed via DECNET to another node of the network for archiving or analysis. To ensure that the system would meet the needs of the users, several design documents were created that were agreed upon by the designers and users before any software was written. This design strategy had several advantages, described in this paper along with the performance problems, hardware selection, and software design.