TRICONEX 3700A Speed detection module

A thermal cut and seal machine uses an analog input signal to command a geared motor (gear ratio 10:1) to spin a pinch roller that feeds material into the thermal cutter and sealer. There is a 2.5 volt signal available to command speed. The roller has a diameter of 3.82 inches and must advance roughly 24 inches of material in 1 second. A PLC provides an input to emulate a clutch/brake operation commanding zero velocity and stopping motor motion. A second input from the PLC also reverts the drive to maintain motor position during the cut and seal process. The cycle is then repeated

 Create a New Configuration 

and select Velocity Mode as the mode of operation. 2. Click on the Digital I/O Tab. Select Velocity Command Source as the function on Input4 to switch between the source of two unique velocity commands. 3. Select Position Mode Select as the function on Input5 to switch between velocity and position modes of operation. This step is optional depending upon whether your application can tolerate a small amount of drift when commanding zero velocity as an analog input. When using this mode of operation during the brake mode VelCmd is equal to zero.

. Set VelCmd2 = zero.

 The direction of the velocity move will be controlled by the polarity of the value entered. 5. Set AccelLmt and DecelLmt to the desired clutch activation acceleration and brake activation deceleration respectively. Note: VelCmd is the velocity commanded through the analog input, encoder frequency input, or the serial port depending upon the mode of operation selected. VelCmd2 is a stored value of velocity that can only be changed serially

                                                                        

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