Re: 3421 Control Module for HP-41C Message #6 Posted by Tracy Vermeyen on 20 Oct 2003, 11:25 p.m., in response to message #1 by Jeff
I have used one of these ROMs and it says "3421 Control" on the ROM case. The HP 41C CAT 2 commands shows "--INST 1B--" The ROM contains many programs which control the 3421A via HP-IL. Some of the more useful programs is the Data Logger (DL) which allows the user to setup complex data logging applications that acquires data from multiple channels and output data on digital tape and/or thermal printer. The ROM also came with two HP-41C keyboard overlays - one for the DL program and another for a Front Panel (FP) program which allows you to measure (V, Ohms, Freq, Temperature.
I hope this information is useful. I think it is a useful ROM especially if you are a novice at interfacing with HP data acquisition systems. If you have any additional questions, feel free!
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