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Thank You both. I think the CPU needs an LogicMaster 90 which is DOS based. I was wondering if someone can help me in finding steps to download a program using LogicMaster.

Thank You.

I've a GE Fanuc 90-30 rack system. As one of the rack had a malfunction I replaced it with another but now letter 'F' in red lights up in the new one. Is this some fault in processor or just the rack. I'm weak in knowledge about PLC's. If anyone has an idea, kindly help me. Thanks!

How can we check a fault in hardware using a ladder logic. I mean, is it possible to find out which output is causing the trouble? I'm using proficy machine edition for the plc. Thanks!

Thank you both.

Hello Everyone, I'm new to PLC's but have a background knowledge in Electrical Engineering. Now I got a project that requires AB Micrologix 1400 programming. 1. What is the best way to learn-& how to program this PLC (using RSLogix 500). Is there any online tutorial(video's or documents) that I can go through? 2. I've to configure/control the basic servo drives using this Micrologix 1400, Where can I find subject material to learn ? 3.I know the sequential steps for the project, but I'm weak in ladder logic & I don't k now how to implement it. Kindly suggest me how to proceed from here, all the suggestions are valuable. Thanks in advance!