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Canary MicroMux User Manual

Manual is about: Multiplexer

Summary of MicroMux

  • Page 1

    Micromux multiplexer user’s guide disclaimer: the following document is provided to assist users with the installation, operation and training in the use of our products. This document and our products are intended to be used by technically qualified personnel. Contained herein is information that i...

  • Page 2

    Table of contents section 1 introduction 1.1 overview........................................................................................ 3 1.2 specifications................................................................................. 3 section 2 multimux operation and installation 2.1 oper...

  • Page 3

    Section 1 - introduction 3 1.1 overview the micromux expands the number of instruments that may be read by most all types of 5v/12v dataloggers to 4 channels by 4 wire, or 8 channels by two wire, depending on the internal switch settings and the type of sensor being read. In addition the micromux pr...

  • Page 4

    Section 2 – micromux operation and installation 4 2.1 operation details the micromux is controlled by the datalogger controller using 2 digital control signals. The operation of the micromux is simple enough so that virtually any device capable of controlling 2 digital ttl/cmos type signals can be u...

  • Page 5

    Section 2 – micromux operation and installation 5 2.2 datalogger connections the micromux is connected to the controller or multilogger mux terminal board (or ml mux tb) using the screw terminals. The common screw terminal block is located on the left side of the terminal strip the table below lists...

  • Page 6

    Section 2 – micromux operation and installation 6 2.5 cr10x program example the following example illustrates how to write custom programs for the cr10x to read instruments connected to the micromux. The example assumes a 4 channel mode multimux reading 4 vibrating wire gages and their respective th...

  • Page 7

    Section 2 – micromux operation and installation 7 2.6 cr1000 program example 'enable our multiplexer portset (1,1) 'wait 100msec for multiplexer to power up delay(0,100,msec) 'cycle through 4 channels for channel = 1 to 4 'set clock port high to advance mux channel portset(8,1) 'wait 10msec for 50% ...

  • Page 8

    Section 2 – micromux operation and installation 8 'transmit atdtnn (where nn = radio address), receive ok (up to 10 seconds) serialout (com1,"atdt0129"+chr(13),"ok",1,1000) delay(0,1000,msec) 'transmit atcn, receive ok (wait up to 10 seconds) serialout (com1,"atcn"+chr(13),"ok",1,1000) 'wake up the ...

  • Page 9

    Section 2 – multimux operation and installation 9 2.8 enclosure installation the micromux can be attached to any surface with 4 mounting 6-32 screws. The placement of the mounting holes is depicted in the illustration below. H 1 l 1 4 h 1 4 l 1 4 h 2 v w g a g e 4 l 2 channel 4 micromux4 3 h 1 3 l 1...

  • Page 10

    Section 3 – troubleshooting 10 3.1 troubleshooting flowchart if you cannot obtain readings using the micromux or the readings are unstable then see the troubleshooting flowchart below for help in determining the nature of the problem. Does the micromux advance through the channels? Is 12v and g conn...