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This is a library of miscellaneous documents related to the control systems area. Except where stated, all documents are copyright © C.Muirden for Atrax Control Pty Ltd, however they are supplied here free of charge and without restrictions on use.

name description format file size
 Cable Details 
Connection details for 10BaseT and 100BaseT ethernet cables GIFGIF Image 10baset.gif 12 KB
 19 Inch Rack
Chart showing details of the 19 inch rack standard. PDFAdobe PDF
1 x A4 page
19inch.pfd 66 KB
DXFAutocad DXF
1 x A4 page
19inch.dxf 57 KB
 Conitel Protocol
Document describing the Conitel protocol used by Leeds and Northrup SCADA systems. PDFAdobe PDF
23 x A4 pages
conitel.pdf 127 KB
 CRC Guide  Document describing usage and implementation of CRC algorithms. All work is Copyright © Ross Williams, 1993. TXTText File crc.txt 88 KB
 IP Ratings  Chart showing the 3 digit IP (Ingress Protection) Code. PDFAdobe PDF
1 x A4 page
ip_rate.pfd 108 KB
DXFAutocad DXF
1 x A4 page
ip_rate.dxf 100 KB
 RS-232-C Details  Pinout and hardware details for RS-232-C PDFAdobe PDF
1 x A4 page
rs232.pdf 12 KB
 Colour Codes 
Chart showing most common thermocouple cable colour codes GIFGIF Image thermo.gif 31 KB