Paolo_911

I can't get a GOT2000 to communicate to a Q06UDEHCPU through a QJ71E71-100 ethernet module. This module is Module 2. Attached are the settings in the PLC and GOT: Am I missing something? Is this correct? PLC settings: GOT settings: 

Why can't I ping the QJ71E71 module with my laptop directly plugged into it? Should this not be an issue? I am pinging 192.168.1.88, which the I.P. address I assigned the QJ71E71 module. 

Unfortunately, this did not solve my issue. On the QJ71E71-100 module status lights the Open light is not on (nor flashing). So clearly the Ethernet port is not open for communication? I am still completely stumped.   

I thought they had to have the same station number so the GOT knew which station it was trying to communicate to. Thanks! I will try this solution in a few minutes. I also realize that the GOT settings picture I posted had the Unit type to QnUD(P) instead of QJ71E71, but I was just messing around at that point trying anything to get it to work. 

Also, can you pass M bits from GOT to PLC? I wanted to turn on M800 from this GOT. This is what I'm using to test communications, which may be my problem also. I just wanted to see a bit turn on (from a GOT button) in the PLC to ensure communications. 

Yes this indeed was my issue. You need a FX2N-CNV-BC module to communicate from an FX3U to extension I/O FX2N-16EX or 16EYT.

I have a minor error code on an FX3U-64MT/ES connected to an FX2N-16EX and FX2N-16EYT. This error code is an I/O configuration error code#1040. This is an input error code and I reconnected the FX0N-65EC connection cable and still receive an error (even without it connected). Any ideas on how to resolve this? I assume it is a wiring issue, but everything seems fine and there is power on the inputs. Would it then be a program configuration issue somehow., even though this is automatic ?

Upon further research it looks like I may need an FX2N-CNV-BC converter module to communicate with the extension units. I am going to try this and see how it turns out. I will write an update whether or not this solves the problem. 

What type of rack would the remote I/O sit on (without a processor)? It just needs an Ethernet module on it's rack? I'm just wondering if there is a different rack for remote I/O than one would use for a PLC rack.

Hello, I need to upgrade an FX3G-24MR/ES, along with an FX1S and FX0N, due to a need for additional I/O. My initial thought was to upgrade to a Q03UDE, which is the newer better model obviously, but the electricial/electrician manager and another engineer feel as though sticking with an FX would be cheaper. I don't doubt that it will be cheaper. although still waiting on a quote to figure out how much cheaper it will be. I am wondering if any has any projections as to whether the FX3 will be obsolete anytime soon or whether the Q series PLC will be also in the near future. I know a Q is nicer, easier to use, faster and allows more expansion and flexibility, although I see the reason behind using something most cost effective and still meets our demand, which isn't speed or complexity. I would love for anyone to weigh in on the situation. I was told by a Mitsubishi rep that the R series is set to replace the Q and thus an FX5 is now the better version of an FX3 even though it is quite different. I am not familiar with either and new to the Mitsubishi world so any help or advice would be appreciated. Thanks!    

I'm outlining a new PLC rack design using a Q03UDE PLC and wanted to know if the I/O starting address was configurable. I started a new project inside GXWorks2 and stumbled upon the I/O Assisngment in the Parameters. I would assume that inputs can start at X000 and outputs can start at Y000. However, whenever I choose a starting address of 0000 for the output card it gives me an error telling me that X and Y starting address overlap. Would someone please help me understand how you can choose the I/O starting address and let me know what my options are. How does one know if the addressing is in Hex? Is Hex the standard addressing in Q series PLCs or is this also configurable? I did see that assigning the I/O Assignment is not necessary as the CPU does it automatically. I am wondering what the CPU would automatically assign to these? I am also using an Analog card and wondered what my options are for addressing that also. Would all this be outlined in a manual?   

I just browsed through the QnUCPU User's Manual (Function Explanation, Program Funamentals) and noticed that each module must be addressed in sequential address so there can not be any overlap. This seems odd, but I guess that's the way it works. If anyone knows any different please let me know. I am unsure if I would actually start the input card as X000 and the output card as Y000, but am sure this is the way some PLCs (different model I assume) are addressed out on our plant floor. 

I swapped out an old A-series PLC with a newer FX3U-64MT/ES PLC. The converted program is now in GX Developer, as opposed to an old DOS based system I believe. My job was to rewire the new I/O and land it on the PLC. The problem lies in the addressing. The old system used hex addressing x0-XF and so forth. Outputs also started at Y020 (instead of Y000). My question is where in GX developer does it show the module addressing besides the "List of Used Devices"? Can this addressing be changed and manipulated or is it hardset? I just don't want to relabel all the wiring or change the program to accommodate this and have the wire labels be incorrect. What would be your advice as the best solution? 

The only logic difference I found so far is the use of the BSFL command which isn't supported in FX.  To replace the logic  ---|| M240 ----------[ BSFL M240 K10 ]   could I use ---|| M240 _______________________________________________[ STFLP M240 M240 K10 K1 ]                                               |______ (parallel branched off same rung)___[ RST M240 } ??? The reason for the reset of M240 is because BSFL places a 0 in M240 after it shifts left one bit. The FX PLC does not support the BSFL command thus leaving me to use the STFL command. Would this work? I am unsure if it will work exactly the same.  

I need to convert from an A0J2 to FX3U and wondering, To replace the logic  ---|| M240 ----------[ BSFL M240 K10 ]   could I use ---|| M240 ----------------------------------------------[ STFLP M240 M240 K10 K1 ]                                       (parallel branched off same rung)-----[ RST M240 } ??? The reason for the reset of M240 is because BSFL places a 0 in M240 after it shifts left one bit. The FX PLC does not support the BSFL command thus leaving me to use the STFL command. Would this work? I am only unsure of if it would work exactly the same.                                           

Wow, Thanks guys! I am totally disappointed this morning, but very thankful for your replies. I appreciate the advice. I could technically go with a Q series CPU, but my manager had already given me the FX and I mounted it to the DIN Rail, not to say I can't just swap it out. We do have spare PLCs of both FX and Q. I am still unsure of what I might do and may just spend the time to relabel the wires, or leave it as is for now. I'll have to think about this some more. I suppose I am going to have to look at this program over thoroughly and check it line by line. It is a fairly simple process so I might be able to just troubleshoot it. We'll see. Thanks again for all your help. 

Anyone care to please explain D/ instruction for A-series CPU (see attached manual instruction below). Instruction example: D/   D52   K1000   D76 According to the manual this math is:  D53, D52 divided by (/) 1000 = quotient in D77,D76 and remainder in D79,D78. OR apparently it just stores the quotient in D77,D76 ??? I really need the following explained:  part (2) where it says: "In regards to the operation result....64 bits in the case of word device, .....32 bits in the case of bit device". What does this mean and when does it use a 32 bit destination (for quotient only) as opposed to 64 bit destination (for quotient and remainder)?