Addressing in RSLogix 5000

May 4, 2009 by Neal Babcock  
Filed under PLC Programming

Before you can program any PLC system, you have to understand how the addressing is done in that particulaur PLC. I have included a actual screenshot from RSLogix 5000 below that shows examples of addressing in RSLogix 5000.

Read on to get the details. Read more

Troubleshooting A PLC With RSLogix 5000

February 16, 2009 by Neal Babcock  
Filed under PLC Programming, Troubleshooting

Excerpted from How To Troubleshoot With A PLC

Let’s consider a batching system just like the one we worked on earlier, except that the PLC is an Allen-Bradley ControlLogix. The software we use to program a ControlLogix PLC is Rockwell’s RSLogix 5000.

TROUBLESHOOTING OPERATION #3

BATCHING SYSTEM WON’T PUMP FINISHED PRODUCT Read more

RSLogix 5000 “Serial” Logic

December 22, 2008 by Neal Babcock  
Filed under Ladder Logic, PLC Programming

rslogix-plc-conveyor

RSLogix 5000 allows the use of “serial” logic that does not conform to traditional, electrical ladder logic.

For example, both of the rungs shown below are valid in RSLogix 5000. Read more

Setting up the Analog Input Card in RSLogix 5000

November 14, 2008 by Neal Babcock  
Filed under Ladder Logic, PLC Programming

Let’s assume that the output of our scales has been calibrated for 0-10 VDC. Zero volts equals 0 pounds, and 10 volts equals 2000 pounds.

Now we know the signal type is DC voltage, the range is 0-10 and the engineering units are pounds. Read more