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  1. Hi guys....first post here. It's been about 6 years since I worked heavily with PLC's and automation, but I'm getting back into it. I was hoping you might be able to help me with an issue I've noticed at work.  Problem:  The sensor we use just reads if there's something there, or not. A make or break if you will. When boxes are pushed together and there is no gap between them it thinks there's a jam (after 6 seconds) even when the boxes are moving past (as they should).  A jam stops the conveyor belt requiring someone to physically move the boxes to clear the sensor and restart the equipment.   I'm trying to find a sensor that will see the distance changes from box to box (mounted on the side of the conveyor). Only when there is a true jam and the distance isn't changing will it send a jam signal.  I've tried researching sensors and have been overwhelmed by the endless possibilities and combinations (not all of which I understand).  We are currently using an Allen-Bradley 42EF-P2RJB-A2H It would be ideal to have a similar style plug, but it isn't a deal breaker.  Here's an idea of what I'm dealing with. (The actual conveyor the jams are occurring on is a decline belt, not a roller accumulator.) There are varying box sixes, but they are all packed together. Creating a gap between boxes or using metering belt is not an option here. Thank you for any help/guidance you can offer! -Steve
  2. Hello Screw Conveyor Consist of  Inclined Pipe Trough with Inner Screw Flights with Specific Diameter and Pitch on Pipe connected to End Plates 
  3. Hii Screw conveyors are basically for bulk materials with variable properties depending on the application. They can be sealed against dust or moisture, jacketed to act as dryer or cooler. Where shall I buy Screw Conveyor in Mumbai?
  4. Hii Flat Belt systems are predominantly used for handling all types of packaging or loose products. Depending on the use, the belt finish can either be a grip surface for inclines, low friction or food quality, this is achieved using either rubber, PVC or specified materials. Where shall I buy Flat Belt Conveyor in Mumbai?
  5. Dhanvanthri Engineers Pvt. Ltd., is a private limited company established in 1983 having well-equipped manufacturing facility at TTC Industrial Area, Mahape, Navi Mumbai in the close vicinity of Mumbai.
  6. I'm looking for some general information about different types of vibration/temperature sensors. What type, brand, model number, etc. will best fit my application.  Scenario: I want to monitor the vibration and temperature of multiple motors and gearboxes for a large overhead conveyor system. If an oil leak occurs and temperature increases, I want to see a temp. alert via a HMI. If a something mechanical fails, I want to see a vibration alert via a HMI.  I've looked into sensors that stick to the outside housing of the motors or gearboxes via a magnet. My concern is justifying the temperature readings. How accurate would a sensor that reads an "ambient" temperature be (compared to a thermocouple on the motor coil itself or some sort of probe)? Also, would the location of the magnet  on the motor or gearbox drastically affect the temp. or vib. readings? Has anyone had success with a similar setup? If so, what devices did you utilize? Are these systems truly beneficial?  I'm currently considering Banner's wireless products...
  7. Hi,friends. I have a project which is about control of speed.When I do this ,I need to use  Schneider PLC with M238 by using PID Controller.I decided to  control  speed of electric motor of this PLC . Is there any source material or anyone who struggled with this before  for this project?
  8. Programming Ideas for assembly

    Hello,  I am trying to program an assembly line for two kinds of product manufacturing. This products would be manufactured in a random sequence. I have 3 station in the assembly line and would like to know how to transfer data of product from one station to other station and reset the previous station. The manufacturing is high paced.  the sequence of manufacturing is as follows:  Part type 1 : The part is placed on station 1 and procedure is carried out on 2 and 3 and the part is taken out. This is the current process.  We would be adding one more variety of part.  Part type : It is scanned on the first station and an extra procedure is being carried on the third station.    I want to take the data from station 1 and carry it over to station 2 and 3 respectively. and reset the station as it passes that station.  Please let me know if you have any ideas. I have tried daisy chain programming but that might not work .
  9. Programming Ideas for assembly

    Hello,  I am trying to program an assembly line for two kinds of product manufacturing. This products would be manufactured in a random sequence. I have 3 station in the assembly line and would like to know how to transfer data of product from one station to other station and reset the previous station. The manufacturing is high paced.  the sequence of manufacturing is as follows:  Part type 1 : The part is placed on station 1 and procedure is carried out on 2 and 3 and the part is taken out. This is the current process.  We would be adding one more variety of part.  Part type : It is scanned on the first station and an extra procedure is being carried on the third station.    I want to take the data from station 1 and carry it over to station 2 and 3 respectively. and reset the station as it passes that station.  Please let me know if you have any ideas. I have tried daisy chain programming but that might not work .