GE / IP FANUC Series 90/30 In Stock
How To Troubleshoot GE Fanuc IC693CPU351
You will be testing a CPU351, 90-30 Series, part number IC693CPU351. Note that revision letters don’t apply as the test is the same for all of them.
Step 1: Place Processor in Rack
This illustration shows a five slot rack, IC693CHS397, next to a high capacity power supply IC693PWR330. Go ahead and power up. First thing you’re looking for is that the OK light is working.
Next, connect up to it. You can see the SNP port polling, that’s a good sign. It shows that the information is getting through the power supply through the cable to the CPU and that’s working.
Step 2: Go Into Program Mode
Now go into program mode and prepare it to go into run mode. Note that what you are doing is putting in blank information: no modules in the slots. You’re just trying to get the CPU to go into run mode and you’ll be testing the memory on off protection switch.. Now, you should be prepared to go into Run mode.
As long as this switch is working, you’ll be able to go into Run mode, and you’ll see it when the LED is on, and it is.
Step 3: Plug into Port 2
Now that you have tested that and it is in Run mode you’re going to unplug the power source from the SNP Port and plug into Port 2. Now, Port 2 should be polling. If it is then put the power source back into the SNP port..
Step 4: Test RS232 Port
Now, you’re going to use a different cable to plug into the RS232 port. This is cable IC693CBL316. It appears to be like a phone jack on one side and a serial port connection on the other side, this will go to the computer. Go ahead and plug that in.
You’re going to be looking for Port 1 to be polling.
Step 5: Additional Steps if Necessary
Now if this is a CPU that you think may be giving you trouble, leave it in run mode overnight or over a weekend and check to see if it has fallen out of run mode or if it stayed in. If it stayed in, usually it’s okay. But if it falls out, go to your software and go to Target > Diagnostics and find out what happened. There will be a reason for your issue(s) in there.
Tags: GE Fanuc, ICg93CPU351, Troubleshooting Guide
This entry was posted on March 29th, 2015 and is filed under GE Fanuc, Troubleshooting Guide. Both comments and pings are currently closed.
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