Page 316 - CNC Robotics
P. 316

Index


           Kearn and programming (continued)
              system timing in , 217, 217
              Table Setup w indow in, 215, 216
              testtexl.plt file for, 260, 260, 26 1
              textt est.plt file in , 233, 234, 234
              tool size setting in, 234, 235, 236
              user defined M codes for, 222
           KellyWare (See also KCam), 113

           L297 stepper motor con troller, IS , 18- 19,22- 75,22, 23 ,46
              a version of (L297A), 57-58, 58
              advantages of, 46-47
              applicalion for, 29
              bipolar stepper motor and, 59
              block diagra m of, 23
              circuit operation in, 2S
              clock pulse doubler In, 59
              DIP package mechanical data for, 30- 31, 30, 31
              electrical characteristics of, 27- 28, 28
              half step mod e in, 26, 26
              L293E vs. 47
              normal drive mode in, 26. 26
              phase sequence in. 26
              pin connections for. 23 , 62
              pin function chart for. 24- 25
              pin functions for, 61
              sources for, 29 2
              synchroni zation in. 29
              unipolar motors and , 59
              wave drive mode in. 27, 2 7
           L298 H bridge IC, I S, 18-19, 33-75, 33
              application informat ion in. 39
              bidirectional control in. 38 . 40
             block diagram of, 33
             dimension data for. 42, 4 2
              electrical cha racteristics of, 35 -36
             installing in driver, 109. 109
             ma xim um ratings tor, 34
             muitiwatt ISH, 43, 43
             multiwatt 15V, 42, 42
             PCB layout for, 41
             pin connections for. 34
             pin funct ions for, 35
             PowerS020, 44, 44
             satu ration voltage in, 36
             sink current in, 38
             sources for, 29 2
             sw itching times in, 36, 3 7
             thermal data on, 34

                                                                                            307
   311   312   313   314   315   316   317   318   319   320   321