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Found 137 results

  1. Hi all, I've started using a UniStream product (USP-070-B10) having previously used a Vision V1210 and was wondering if there was a similar thing to the SB2 contact for the UniStream PLCs / UniLogic. I used SB2 in ladder previously to do things that that needed to be done at startup, and only once, like initializing values, etc. I’d like to do something similar now, but to load up data tables, to make sure that they are present in memory before using them (as look-up tables for data/calculations). This would ensure that the data’s there in the tables if a power outage occurs, etc. Any ideas for how to do this?
  2. I need to convert a number that is expressed as an ASCII String to a UINT32 value. The only FB I can find that appears to be intended for this purpose is the STRING to NUM function but I cannot find any examples or references to this block in the Help File. The FB appears to be looking for the ASCII Operand (A) and then outputs the "Resulting Number" (, and the "Factor" ©. I take it that B is where the Integer Value should output and I cannot figure out what C is other than possibly a multiplication factor? When I upload my program to the PLC and go online, My ASCII String Value (A) shows up fine but the FB will not output anything other than a "1" for the value and a "0" as the "Factor". I tried to override the output values to be sure they were actually being written to and I cannot change them. Can anybody give me some direction on this? A simple example file would be ideal. Joe
  3. I want to trigger an action in a specific time of the day, that i would define. For that I want to use the schedule function. Can you explain how to use this function, because there is no info in the help files.
  4. Hi, #1 - The UniLogic help files refer to linearization for numeric box. Where is that functionality? #2 - Does the linearize under math functions follow the same format as VisiLogic? I could use more explanation of the tag values associated with it.
  5. I have a problem with the local tags in my UDFB. They don't change their state. For example, when I try to set a coil that has a local tag, the local tag's value remains unchanged (zero). I am using the latest version of unilogic. What can I be doing wrong? Thanks in advance.
  6. I 'm trying to use this Ladder Function to copy one array (of integers) to another. As I understand it, parameters A and B specifiy the source array and offset, parameters D and E specify the target array and offset, and parameter C specifies the length (no of items) to be copied. I would have expected parameter C to be an integer, but the compiler is demanding an array! Have I misunderstood the function? Robin Proctor
  7. Hi! I've made a Function that calculates flow to quantity a day. I want to use this as a UDFB several times, for all of my flowmeters (30), but only the first of them gives an output-value?? Can't a UDFB only be used more than once?
  8. Hi all, I've been spending almost one day looking how I could compare to ASCII strings without success unfortunately. The idea is to compare a string from the HMI (username) with a String inside a user account data table loaded into a struct row after row. This is just to be able to make a kind of login function with user and password protection. Guillaume
  9. Hi, I defined a Tag named: Dd, from type UINT16[0...7] I putted there: Dd[0] - System RTC Time Seconds. Dd[1] - System RTC Time Minutes. ... Dd[7] - System RTC Date Day of Week. In "Store in Array" I can only set all Dd, not different elements of Dd. Obviously I can use Ladder Element Store for every one but it is silly. Is there a more elegant solution?
  10. This is a UDFB for linear ramp output with rise and fall time. The program detects change in the target value and ramps the output until it reaches the set point. If the new target value is greater than the current value, it makes a rising ramp. If the new target value is less than the current value, it makes a falling ramp. Calculates the relative ramp time according to maximum ramp and fall time given by the user. Function Inputs: Target value Rise time (This is the maximum rise time from the minimum output value to the maximum in msec) Fall time (This is the maximum fall time from the Maximum output value to the Minimum in msec) Maximum value of output Minimum value of output Function Output: Ramped output register Application: I wrote this UDFB to control hydraulic pressure using proportional valve via analog output. It could also be used to drive a stepper motor with acc/dec using pulse width modulation.
  11. Hi all! We have string data types available now, and a whole category of ladder stuff for searching and manipulating them,never the less, I cannot find any way to display a string on the HMI (analog to the ASCII String variable in VisiLogic). Where is this hide? Is there a way to invoke a variable within a fixed (or other) text object?
  12. Hello, Have I posibility to take out the project from Jazz PLC and import it in PC to analize how it was the ladder created if the project wasn't protected with password? Thank You and sorry for my bad english.
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