how to check RSLinx 500 installations?

I just installed RSLogix 500 v6.30.00 and also RSLinx Lite 2.30
I have a SLC5/04 connected to the computer through a null modem cable
to the RS232 port on the PLC. The other ends goes to my PC serial port#1
I launched RSLogix and try to look for the setup place where you can tell teh software to use serial port1 to talk to the PLC, but it doesn't appears anywhere.
How do I check to see my setup is done probably and ready for some serious PLC learning. That's right I am trying to learn the basics of plc. I have kinda read through Hugh Jack's book and want to take it to the next level and do something real.
The PLC is flashing the green the DH+ LED. The green RUN led is also lit up.
Thanks in advance
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You have to configure communications in RSLinx first.
I am not in front of a box with RSLinx on it, but you have to open RSLinx and select something like "who active/go online" and add a driver to the dialog box. The one you want will be the DF1 RS232 one.
Once you've established comms in RSLinx, then you can go online in RSLogix.
I hope this helps.
Cameron:-)
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Thanks. I got it to communicate now :)
Is there an equivalent of a "Hello World" program in the PLC world? Right now my SLC5/04 rack is populated with 3 input and 3 output cards. Namely 1746-IB16, 1746-OW16
I notice the cards have 15LED each on the front. I imagine if I can get a simple program to turn those LEDs on or off in a controlled way, that would be a good start. Say have a timer input repeatedly count down to zero and turn an LED on when it reaches zero. Then reset the counter to 20 again? something like that?
Does anyone have such a simple program you would be kind enough to share with me. Thanks in advance.
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Start RSL500, new program, pick your product model number, and rack size.
Then add your I/O, and you'll find the data tables where you need them.
Easiest thing to do next is to just turn on the bits & make sure the outputs come on, then put 24V to the inputs & make sure the bits come on.
After that, try writing a program for a stoplight. First, just G/Y/R, then propogate that to all 4 different lights at the intersection. Make sure you don't cause any car wrecks!
Next, you might want to add some road sensors, and left turn / right turn arrows.
Then you might want the ability to adjust the timing of the lights for day/night modes (say one street is the highway & the other is a rural road)
But the best thing to do before you write a single rung of logic is document exactly how you want the thing to work in the first place.
Separate functions out into smaller components (don't write the whole freakin' program in file 2!), and attack each one individually. Then put the pieces together.
Have fun!
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