Joseph 0028

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  1. what does this formula do ?

    yes, you are right. Actually IO_Rmc1:O.Data[0] is an array of Real[124], and we have the formula IO_Rmc1:O.Data[0]=(IO_Rmc1:O.Data[0]+1)MOD1000. So I believe we increment IO_Rmc1:O.Data[0] from 0 to 999 and then repeat ?
  2. what does this formula do ?

    I have the below formula in CPT instruction (not able to attach any pics)...  IO_Rmc_Data = (IO_Rmc_Data+1) MOD 10 What does MOD 10, MOD 1000, MOD 10000 do ? On help it says it stores the remainder of division, but here its doing something else. 
  3. MCLM instruction linear move

    I am not an expert, but if you have testing time, you can try using MAPC and MCCP, where one axis can be master and one can be slave.  You can study the instructions and try using them. 
  4. Hello Folks... The pictures show it all... I just need to produce a one-shot inside the IF...THEN, and the Oneshot's input bit goes from 0 to 1 as you see from the trend, but the output bit is not going to 1, or giving a pulse ? can anyone help me understand why i am not getting a pulse in this code ? And is there another easy way to get pulse inside IF...THEN without changing the condition which activates the if loop ? Thanks in advance for your time
  5. Lets say i have a PLC, with a name PLC1 with IP/Subnet of I have to communicate this PLC1 with 2 other PLC's, PLC2 and PLC3 PLC2 with IP/Subnet of PLC3 with IP/Subnet of I imagine that, all these three are in different subnets, and so there should be no communication at all, but when i tested it, PLC1 to talking to/from PLC2 and not PLC3.  anyone know the answer to this ? How does it talk to PLC2 with different subnet, but not PLC3 which is in different subnet as well. 
  6. PLC Program for 5 sensors

    Excellent... that worked... Thanks brother.... 
  7. PLC Program for 5 sensors

    I was given a logic to program on AB logix designer - controller is AB 5570 - L73 - Language is Ladder Logic There are total of 5 photocells and a motor to run 1. If none of the photocells are on - then run motor on 200 FPM 2. If any one photocell is on - then run motor on 180 FPM 3. If any two photocell is on - then run motor on 160 FPM 4. If any three photocells are on - then run motor on 140 FPM 5. If any four photocells are on - then run motor on 120 FRM 6. If all 5 photocells are on - Then run motor on 100 FPM  The motor speed can be just on a move block with Motor speed tag, as this is just a test program... Can anyone help me with this logic, whats the efficient way to program...  I can do it for condition 1 - none of the photocells on and for condition 6 - all 5 photocells on, but don't know how to do it for the rest... 

    Hello Guys, I am doing this simple project to measure repeat length. I am using MicroLogix 1200 PLC, and encoder and contrast sensor.  Logic is very simple, the encoder counts gives the repeat length, and when the contrast signal gives a signal, the encoder counts (HSC:0.ACC) should move to N7:0, and then should reset... So this N7:0 gives the repeat length... Now the HSC accumulator is working... I configured the Function files, and HSC0... Please see the pic...   But the move and RAC are not working... Any help much appreciated...       
  9. AB Micro Logix 1100 Ethernet connection

    Interesting... Thanks for your replies... I will try it... 
  10. Hello Guys, I hope you all doing well...  So I am new to Allen Bradley, was using Siemens Automation till now, but i am changing company and new company immersed in Rockwell automation. Si I have this RSLogix Micro starter program and i have a bunch of micrologix plc's to practice. So i tried AB-DF1 driver in RSLinx classic and was successfully able to connect with micrologix 1200, wire i used was DF1-RS232-USB. Now I tried to connect Micrologix 1100 with Ethernet cable, i tried both Ethernet devices and ethernet/ip driver on driver types in RSLinx classic, but was not able to connect to plc... So, How to connect this micrologix 1100 with ethernet cable.. Is is possible ??? Thanks...   
  11. RSLogix Micro License

    I have the RSLogix Micro software. And I transfer license through the Factory Talk activation manager by rehost activation and get activation. I heard somewhere that I can transfer license only two times a year. Is that true ??? Or can i transfer licenses any number of times...