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  1. So, hello all. I'm new in Omron PLC. Using: CP1L-EM controll + CP1W-TS102 (x3) Problem: I have PT-100 sensor outside, so, cause i live in Russia, we have now -3 ... -5 under 0 =)  What i've done: I read the manual W462. Made some ladder (attached).  When i have temperature outside - i have value &2 or close to it, what means 0,2 degrees (i use Celsius) But when the temperature go down, i have &65535 and my PID go crazy.  So, i understand that it's 2 complement's but... HOW I CAN GET THE VALUE IN REAL??? (+2,0 or -5,3 and etc....)  Okay, go across the manual, what we see? (pic2)  We see the instruction for CP1L with PT-100 in range of -200...650. Ok, perfect, what i need... but... I HAVE NO SBB(051) INSTRUCTION IN MY CP1L!  So, guys, i need ur help with that. I need negaitve temperature in real with sign for using it in scaling, pid and HMI via NB-series panel.    Sincerely, p001p
  2. Hello everyone, I am new to omron stuff. I have been given a task to execute a timer with retentive values on power off. I want to retain timer value when plc turn on after shut down. Timer should be start from where it stops on power failure. How to do that could anyone help me out here?
  3. Can we interface the arduino sensors like HC-SR04 an ultrasonic sensor that gives a PWM as output.Can it be read on PLC by any means ? How we can read the Discrete values of Ultrasnonic sensor on PLC ? any one who knows Kindly guide I'm working on Fatek PLC FBs 24 MAR-AC 
  4. I have Omron CP1H PLC and using Ethernet Option board to communicate through Ethernet. When I connect PLC to 2 Computer it starts malfunctioning and values in register get fluctuate. while I connect single HMI it works fine. Kindly give solution if anyone know. 
  5. CP1E-N40 + CP1W-TS102

    Hi ! I have a question regarding the handling of the signal from the TS102 connected to my PLC.   I downloaded a .pdf  LINKED from "my omron", read it and put together a small program just to test the expansion unit and sensors. But I cant get any readings from the sensors and can't figure out why. I have never used a TS102 expansion unit before and would be glad if someone have an idea of what I'm doing wrong. Everything is brand new, so I'm quite sure I am the problem here..... If someone have an answer and maybe even an programming example to upload I would really appreciate it. Best Regards!  PT100 sensor test 3.cxp
  6. ML1400 and C400 Resetting Values

    At work we have been having a slightly increasing number of instances where the Micrologix 1400 that is paired with a Panelview C400 resets values when we cycle the power. Originally we thought the solution was a bad battery in the ML1400. This was the case the first few times that it happened. However, we recently had one doing the same thing and when the program was loaded onto another PLC and HMI combo it had the same issue. So either the battery for both just happen to be bad, or there is something in the program that is forcing the values to automatically reset when the power is cycled. I cannot post the program on here but I can tell you that the tags that are being reset are only used in the PLC program once. There are six total that are being reset and they are the high and low range in an SCP function that is used to scale inputs. I will be testing the program myself in house on a bench setup, but I wanted to get this question out there as soon as possible in case it is not an obvious problem. Has anyone seen this before? Any suggestions? If I come up with an answer I will post it. Thanks.
  7. C40K

    Hi Can anyone help with changing timer values in a C40K using syswin and a host link3G2C7-LK201_EV1. I have tried clicking Editors, Data display editor and then T/C VAL. This then loads all the values into the display window. Double click the required Timer and a new window opens up with the value. Changing that value and then clicking ok and then writing the value to the C40K. This does not appear to change the value because if I then read the values back I still have the original value and not the one I changed it to. Hope this makes sense. I assume that it should be possible to change the values using this method. I can change the values using the hand held console
  8. Addition of more than 2 values

    I'm new to the Allen Bradley software and I'm trying to add 3 values together. I have found the addition block but it only allows for 2 values. Is there a way to extend the block or do I need to use the block twice? Thanks for your help