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Binary People: Learning your 1's and 0's

... are 10 types of people in the world: Those who understand binary, and those who don't." If you don't get this joke then ... chapter you'll get a chuckle out of it. You see, in the binary number system 10 = 2. How? Consider if you had no choice but to count ...

Book page - Tim Young - 2010-06-04 09:55 - 1 comment

Learn Ladder Logic with a Free Version of RSLogix 500 and RSEmulator 500

One of my most common questions is, “Where can I get a free download of RSLogix 500?”  For any serious development with SLC500 or MicroLogix there is no free option but there is a nice free option if you only want to learn and/or progr ...

Story - Tim Young - 2010-09-03 07:18 - 45 comments

Using Ladder Logic for Gray Code Conversion

If your PLC does not support Gray code to binary conversion then it can be quite a trick developing the ladder logic to ... a couple of PLCs that all ready have a Gray code to binary converter.   Manufacturer PLCs ...

Story - Tim Young - 2010-10-14 07:58 - 3 comments

Numbers, Codes and a Little Logic

... for us lazy humans because they like to count by base-2 (binary).  In a compromise with computers us humans have developed the ... or base-16 (hexadecimal) systems.   Binary People: Learning your 1's and 0's Octal? What the Hex? ...

Book page - Tim Young - 2006-03-31 16:17 - 11 comments

An Introduction to RSLogix5000 Tags

... Base Notation Binary 2 2# Decimal ...

Story - Tim Young - 2007-10-06 22:37 - 22 comments

The ABCs of BCD

Binary Coded Decimal ( BCD ) is a number code that makes all those 1s ... The figure below demonstrates how to convert a binary number to it's BCD equivalent.     The ... student will see that this is a lot like converting from binary to hexadecimal .  In this case though there are no letters like ...

Book page - Tim Young - 2007-01-22 12:07 - 0 comments

When Being Negative is a Complement

... a range from 0 to 65535 could be represented.  Adding binary numbers together would be very similar to addition in decimal.  For ... which is the most common in computers and PLCs. Signed binary numbers are achieved by stealing the 16th bit in a word (the most ...

Book page - Tim Young - 2006-01-11 09:37 - 2 comments

Octal? What the Hex?

... throbbing head is probably all ready telling you that binary numbers are not easy to read.  As a compromise between humans and ... Where it really comes in handy is coverting from binary to octal because all you have to do is break down the binary number into ...

Book page - Tim Young - 2006-07-16 12:14 - 1 comment

Siemens S7 Status Word

... 0 Result <> 0 BR – Binary Result (bit 8) The Binary Result transfers the result of the operations onto the next ...

Book page - Tim Young - 2011-02-09 00:43 - 3 comments

The Decision Makers: AND, OR and NOT

... In the PLC it all boils down to our now familiar binary system of a 1 or a 0.  Typically having a bit ON represents a ...

Book page - Tim Young - 2006-04-10 10:54 - 6 comments