AJAX CNC CNC10 Installation Manual

Computer numerical control system

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Ajax CNC

CNC10

Installation Manual

Rev. 050301

2005 AjaxCNC Milesburg, PA 16853

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Summary of Contents for AJAX CNC CNC10

Page 3: Table Of Contents
Table of Contents 1. Introduction System Overview AJAX Components Installer Supplied Components Optional Supplied Components 2. Motion Control Card (CPU10) 3. Control Pendant 4. Software 5. System Schematic 6. Electrical Panel Layout 7. Servo Drive (DC3IO) 8. Motor and Encoder Cables Motor and Encoder Cable Installation Encoder Check 9.
Page 4: Introduction
The PC builders who want to do their own installation. This manual is based Ajax CNC system provides 3 to 4-axis closed loop servo interpolated motion, controlled by industry standard G-codes.
Page 5: Software
Jog Pendant following: 10237 Intermediate Jog Pendant Cable a) Primary transformer with secondary 83VAC output Ajax CNC CD-containing manuals provides 120VDC after rectification. Linux Source CD b) Capacitor, 12,000uf minimum, 160VDC c) Fuse Holders & 15A fuses 1.3 Installer Supplied Components...
Page 6 CPU10 Motion Control Card also passes PLC I/O information to the DC3IO card through the #1, #2, and #3 fibers. The CPU10 motion control card is an PCI PC interface card. The CPU10 card accepts encoder inputs from the servo motors and uses a DSP to perform the servo PID control algorithm.
Page 7 CPU10 2.2 Encoder/Pendant Bracket Installation Install the backpanel connector bracket into the PC backpanel. Connect the internal encoder ribbon cables to their respective axes on the CPU10 before plugging into the PCI slot. Revisions on 03/01/05 \Manuals\AJAX.pmd...
Page 8 Control Pendant Installation Install the Control Pendant Intermediate Cable in your electri- cal cabinet and plug the end WITHOUT the red and blue wires into the DB15 pendant connector on the back of your PC. Figure 4 - Control Pendant Cable Hookup CNC PC SERVO PC CONTROL PENDANT...
Page 9 NOTE: If you purchased one of our stocked control systems and ordered the Control Pendant in addition to the base kit, you Ajax CNC motion control software (CNC10) is a Linux based will need to update your PLC program. program.
Page 10: System Schematic
Electrical Panel Electrical Panel System Schematic Electrical Panel Layout A “D” size AJAX system schematic is provided with every The illustration below is how we suggest you lay out your kit. The schematic can also be found as an AutoCAD.dwg electrical panel.
Page 11 Motor voltage will be applied in Chapter 11. All systems must integrated PLC I/O. be checked out first. Refer to the Ajax CNC detailed schematic. Specifications of the DC3IO Board: Check the connections from the DC3IO to the power supply.
Page 12 Motors and Encoders Encoder Check Ajax CNC motors are DC brush servo motors and have 2000 Power up the PC, but do not apply power to the drive (DC3IO). line/8000 count per revolution encoders. Differential line sig- With the PC powered up and without any power to the drive nalling is used for noise immunity.
Page 13 The E-Stop circuit shown Fault” (RLY2) pin on H11 on the DC3IO. The other “Drive on the Ajax CNC schematic is based on a 24v AC voltage which Fault” (RLY1) pin on H11 must be connected to terminal 1 on is required to power the E-Stop contactor coil.
Page 14: Limit Switches
(Figure 10.2). Connect each Limit switch on the X, Y, and Z axis The AJAX system also supports software travel limits and to it’s respective pin on H14 on the DC3IO, as shown in the Machine Home to Mark (See Chapter 3 of the Ajax CNC opera- schematic. tor’s manual).
Page 15: Motor Power
83 VAC secondary winding transformer referred to Check all Motor Supply (Vm) related connections on the Ajax in the Ajax CNC examples. Do not attempt to apply voltages CNC schematic. above the servo motor’s maximum rating of 140VDC.
Page 16 (1) Check the encoder count settings in the machine setup screen (Press <F1>, <F3>, <enter password>, <F2> from the main screen). The encoder counts should be 8000 for Ajax CNC supplied motors. (2) Make sure each jog key moves its axis in the desired direc- tion.
Page 17: Coolant Control
After the lube pump is installed, you must connect the Low Ajax CNC coolant pump contactors requires a 24 VAC supply to Lube warning circuit. Connect the pump alarm common to power the contactor coils. You must connect the coolant con- Common on H13 on the DC3IO.
Page 18: Spindle Speed
Spindle Motor and Spindle Speed Control with inverter. 14.1 Spindle Motor The Ajax CNC system is capable of driving a spindle motor using either an Inverter (recommended), or by using Reversing 14.5 Spindle Speed Setup Contactors.
Page 19 Figure 14.1 - Spindle Inverter Control Diagram 14.7 Spindle Inverter Fault Input Refer to your Ajax CNC schematic.
Page 20 Spindle Speed Control 14.8 Spindle Hi-Low Range Refer to your Ajax CNC schematic and Hi-Low schematic found on the supplimental CD for wiring details if your ma- chine is equipped with a Hi-Low gear range. Figure 14.3- Spindle Encoder Cable Hookup Diagram Revisions on 03/01/05 \Manuals\AJAX.pmd...
Page 21 14.9 Spindle Encoder Settings The Ajax CNC supplied encoder is a 2000 line encoder which yields 8000 counts per revolution of the spindle. Spindle encod- ers have to be connected directly to the spindle itself at a 1:1 ratio. Other line encoders may be used. 500, 1000, 1024 etc. and the control parameter 34 must be adjusted accordingly.
Page 22 Figure 15.1 - Relay Output Circuit 5VDC RELAY 5VDC RELAY 5VDC RELAY 10 PIN PLUG 10 PIN PLUG 10 PIN PLUG AUX OUTPUTS #1 AUX OUTPUTS #2 AUX OUTPUTS #3 DC3IO SERVO DRIVE AND PLC CONNECTOR H4, H6 AND H7 Figure 15.2 - Output Driver DC3IO Circuit User Supplied 5 VDC <...
Page 23 Figure 15.3- Ajax Dual Relay Board DC3IO Any H10 Output output driver Driver Revisions on 03/01/05 \Manuals\AJAX.pmd...
Page 24: Digitizing/Probe
The Digitizing/Probe connector allows the use of an optimal Visit our web site for free downloads of other PLC programs Digitizer/Probe with the Ajax CNC system. for specific machines. www.ajaxcnc.com. Keep in mind that just because a standard M code is labeled 15.1...