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AMS MP328OL Reference Manual
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AMS MP328OL Reference Manual

Gripper & backguage controller
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Model
MP328OL
Gripper & Backguage Controller
Reference Manual
Page 1 ______________________________________ Introduction
Page 3 _______________________________ Interface Description
Page 4 _________________________ Setup Mode and Parameters
Page 14 ______________________________________Referencing
Page 16 ___________________________________ Program Mode
Page 17 ___________________________________ Run Operation
Page 19 ____________________ Configuration and I/O Definitions
Page 20 _____________________________________ Specification
Page 22 _________________________________ Mounting Details
Page 23 ____________________________ Troubleshooting Guide
Page 27 ________________________ Electrical Interface Diagram

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Summary of Contents for AMS MP328OL

  • Page 1 Model MP328OL Gripper & Backguage Controller Reference Manual Page 1 ______________________________________ Introduction Page 3 _______________________________ Interface Description Page 4 _________________________ Setup Mode and Parameters Page 14 ______________________________________Referencing Page 16 ___________________________________ Program Mode Page 17 ___________________________________ Run Operation Page 19 ____________________ Configuration and I/O Definitions...
  • Page 2 MP328OL Gripper Controller AMS Controls has been supplying length control systems to the metal fabricating industry since 1978 and has built a reputation of producing high quality and reliable controllers. The MP328 Gripper controller is a cost effective controller designed to perform multiple bends on a sheet of metal and will use a gripping function to hold the metal and to sequence it through each bend..
  • Page 3 Although every effort is made to insure the correctness off this manual, it should be noted that AMS CONTROLS, INC. is not responsible for personal or equipment damage caused by the contents of this manual. It is not the intent of this manual to cover every possible revision or version of controller.
  • Page 4 Press to store the values entered in the setup and program modes. Press to clear an incorrect entry value before the “ENT” key is pressed. Also used to clear any errors reported by the controller. AMS Controls MP328 Gripper Controller 03-15-06...

  • Page 5: Setup Mode

    To enter the SETUP mode, press the “Set Up” key. The following display will appear. Selecting “1” will allow the operator to adjust the following parameters: 1=Configure 2=In/Out 3=Loc/Remote 4=Reference AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 6 Use any number key to toggle the choices. Near Reference Mode Reference Position Reference Point Motor Brake Lead Screw Near Reference Switch, Normally Open Far Reference Mode Reference Position Reference Point Motor Brake Lead Screw Far Reference Switch, Normally Open AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 7 If the mode is set to “No”, the controller uses only encoder feedback to locate the sheet. This requires that the sheet be consistently in the same location from one part to the next. This will be determined by the backstop device. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 8 Jog Fwd Halt Jog Rev Output 1 (FOR) Output 2 (SLOW) Output 3 (REV) Output 5 (RUN) Table 4-1. Status of Outputs in Forward-Slow Note: All Jogging and Referencing is performed at fast speed AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 9 FAR REFERENCE, the backgauge will overshoot the target by the OVERSHOOT DISTANCE and approach the target in a forward direction. This is done to keep any machine “slop” behind the backgauge. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 10 This should cause bends to come out short due to the momentum of the machine and material during AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 11 MINIMUM SLOW DISTANCE to determine the ideal time to change from fast to slow. While in the MANUAL mode, the AMS controller will not calculate a new value for the DECEL FACTOR after each stop. AMS Controls...
  • Page 12 When the part enters the jaws of the gripper, it will AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 13 A low value should be used on machines with very stable line speeds. A high value (greater than 50 Hz) should be used when rapid fluctuations in line speeds occur. Some trial may be necessary AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 14 REFERENCE mode. The machine will immediately locate the reference switch and then stop. This is done to set a REFERENCE for the machine. If this is not manually done, it will automatically find the reference switch when RUN is pressed. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 15 NOTES: • If near referencing is used, the home switch must be wired N/C (normally closed). Far referencing requires that normally open contacts be used. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 16 The machine will then calculate the correction value and ask the operator if they want this value updated. (THIS MAY CHANGE!!) AMS Controls MP328 Gripper Controller 03-15-06...

  • Page 17: Program Mode

    LOCAL or REMOTE mode, the current bend that is being made, the current position, the part TYPE, and the part dimensions. STATUS SCREEN 0.00” Type : 0 50.00” 35.00” AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 18 This must be done on the first part of that length, and the machine will readjust itself for the remaining parts. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 19 In the second case, the sheet is fed from the other side of the brake into the gripper. As soon as the gripper “sees” the metal, it clamps. Because of this arrangement, it is necessary to feed the metal only a short distance. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 20 ON, Switches 1 & 7 OFF. MP328 Inputs/Outputs Inputs Description Jog Forward Jog Reverse Home Run Enable Setup/Lockout External Cycle / Manual Reset Sheet Detect Sequence Initiate Outputs Description Fast/Forward Slow Reverse Leaf Up Short Sheet Gripper Brake Down AMS Controls MP328 Gripper Controller 03-15-06...

  • Page 21: Specification

    Form A Dry Circuit Relay Maximum Current 5 Amp. Maximum Applied Voltage 240VAC Solenoid Driver Type High Voltage Internal Driver Minimum Load Resistance 12 Ohms Maximum Voltage Generated 65 VDC Maximum Actuation Time 0.25 Seconds AMS Controls MP328 Gripper Controller 03-15-06...

  • Page 22: Encoder Input

    25,400 centimeters 254,000 millimeters Maximum Parts/Batch 9999 Units of Measurement inches, centimeters, or millimeters Footage Totalizers Maximum Footage/Totalizer 1,000,000 feet 1,000,000 meters Features Display 48 characters in 2 rows Keys Controls 3 (CYCLE, RUN, HALT) AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 23 Figure B-1. Panel Mount Mounting Dimensions AMS Controls MP328 Gripper Controller 03-15-06...

  • Page 24: Troubleshooting Guide

    If length and punch placement seem to vary at random, check the encoder mounting very carefully. The encoder must move with the material, and cannot be allowed to slip. If dimensions are off in a consistent pattern, run the Calibration procedure. AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 25 On the main Status display, you can watch line speed and distance past the shear. Compare what you see here to what should be happening as the machine runs. # 23 30 Pcs 90.000” s150 3 Left 30.100” Figure 5-3. MP350 and MP350P Status Screen AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 26 Noise problems can be very hard to locate. The best way to avoid noise is by using good cable layout and wiring methods. Also, noise suppressor devices such as varistors are needed in some cases. Refer to the AMS Application Note "Noise Suppression Methods” for details. AMS Controls MP328 Gripper Controller...
  • Page 27 FAX us at 1-314-344-9996. Don't forget to include your name and phone number so we can call you back. Call AMS If you can't fix the problem without our help, call AMS and speak with our experts. Call us toll-free at 1-800-334-5213. Have your Model, Serial, and Software Version numbers ready when you call.
  • Page 28 AMS Controls MP328 Gripper Controller 03-15-06...
  • Page 29 Contact AMS If assistance is needed, AMS expert technicians will be glad to help. Please have the controller Model Number, Serial Number, and software version ready when calling. It will be asked for. Telephone: 1-800-334-5213 Fax: 1-314-344-9996 AMS can also be contacted through our web site at www.amscontrols.com...