Technical Manual TNC 360 - heidenhain - DR. JOHANNES ...

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3 Servo Positioning of the NC Axes This section describes all the control functions which are important for the control and monitoring of the NC axes. Further parameters for the NC axes can be found under "Machine axes." The control of the spindle (S axis) is described in section "Spindle." 3.1 The position control loop of an NC machine In CNC machines the servo control is normally implemented as a cascade control (see following block diagram). The motor speed control and the current control (both in the drive amplifier) are integrated into the servo position control (CNC control). The servo controlled system consists of the motor and machine slide. CNC Control Servo amplifier Machine Nom. pos. Actual position Servo lag Position controller Nom. rpm Actual rpm Speed controller Nom. cur. Actual current Current regulator Block diagram of the position control loop, here as a cascade control Drive Tacho Linear/ angle encoder 8/95 TNC 360 3 Servo Positioning of the NC Axes 4-51 Actual rpm Actual position
3.2 Servo positioning in TNC controls Two control methods are possible with the control. They can be used alternatively. 1. control with lag (section 3.2.1) 2. control with feed forward (section 3.2.2) The choice of control method is determined by machine parameter MP1390. The machine adjustment must always be carried out for both methods of control. MP1390 Control with lag or feed forward control Input value: 0 or 1, 1 = operation with lag, 0 = operation with feed forward control. 3.2.1 Control with servo lag Servo lag refers to the difference (lag) between the nominal position which is defined by the NC and the actual position of the axes. Control would not be possible without this lag. In the operating modes "Manual operation" and "Electronic handwheel" the operation is always with servo lag, regardless of machine parameter MP1390. In the operating modes "Positioning with manual entry", "Program run, single block" and "Program run, full sequence" machine parameter MP1390 must be appropriately entered for lag operation. The advantage of operation with servo lag lies in the "softer" control, which is especially suitable for machining 3D contours, since corners and radii are smoothed out, depending on the Kv factor (position loop gain factor) and the machining feed rate. Depending on how far these "contour errors" can be tolerated, the machine operator or manufacturer must decide and choose either operation with servo lag or with feed forward control. Operation with servo lag is depicted in a simplified form in the following block diagram for the X axis. It shows a part of the cascade control mentioned previously. All machine parameters which influence the control characteristic are shown here. 4-52 TNC 360 3 Servo Positioning of the NC Axes 8/95
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Technical Manual TNC 360 Valid for
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Contents Technical Manual TNC 360 U
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MP7670 Interpolation factor for han
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NC status information type: PLC sta
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Update Information No. 6 New PLC In
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Software version 15 was released to
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Update Information No. 3 Software v
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Update Information No. 2 In earl Se
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• If bit 2 is set in machine para
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• Module 9120 Positioning an auxi
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Potential errors: A non-existent ax
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Introduction - Contents 2 1 Hardwar
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2 Features and Specifications 2.1 T
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Control • 4 inputs for position m
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3.1.1. Software and hardware versio
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3.3 EPROM sockets Sockets for the p
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8 Touch Probe System Input 3-28 8.1
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1 Hardware Components TNC 360 The T
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1.1 Changes in the ID Number LE 360
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2.3 Humidity LE Incorrect Obstructi
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2.5.2 Visual display unit (VDU) Per
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4 Power Supply 4.1 Overview The sup
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X24 power supply for the PLC at the
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5 Encoders The HEIDENHAIN contourin
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5.4 Encoder inputs for square-wave
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6 Nominal Value Output The HEIDENHA
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7 Visual Display Unit (VDU) The LE
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8 Touch Probe System Input The 3D t
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8.2.2 TS 511 The TS 511 touch probe
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10 Handwheel Input The handwheel HR
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HR 130 HR 130 • max. 6 m Id.-Nr.
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10.5 HRA 110 Handwheel Adapter The
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11 PLC inputs/outputs The HEIDENHAI
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11.2.2 PLC output The PLC outputs O
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11.4 PLC I/O unit One PL 400 board
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11.4.2 PLC inputs/outputs on the PL
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11.5 PL 410 B / PL 410 PLC I/O unit
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PLC outputs Assignment of the group
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12.2 Connecting cable Please use on
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13.2 Connecting cable Please use on
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14.2 Keyboard units 14.2.1 TE 355 A
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14.3 Visual display units 14.3.1 BE
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14.4 Input/Output units 14.4.1 PL 4
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14.4.3 PL 400 M4 225+1 8.86"+.04" 2
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14.5.2 HR 150 DIA 2.283" Ø58 Ø0.2
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14.5.4 Handwheel knobs Knob, small
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Knob, ergonomic SW 2 10 .394" 6 .23
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RS-232-C/V.24 Adapter Block 21+0.5
Page 97 and 98: TNC 360 C TNC 360 C 25m Encoders 20
Page 99 and 100: 3.5.2 Position monitoring for opera
Page 101 and 102: 12 Incremental Jog Positioning 4-17
Page 103 and 104: In addition to the signal period, M
Page 105 and 106: 1.1.3 Encoder monitoring HEIDENHAIN
Page 107 and 108: ✎ 4-10 TNC 360 1 Machine Axes 8/9
Page 109 and 110: A secondary linear axis is designat
Page 113 and 114: MP912 Traverse range 3: Maximum val
Page 115 and 116: 1.5 Lubrication pulse The PLC can c
Page 119 and 120: 1.6.2 Compensation for reversal err
Page 121 and 122: 1.6.4 Nonlinear axis error compensa
Page 123 and 124: The orange axis keys can be used to
Page 127 and 128: LW M 1200 Intermediate register TES
Page 129 and 130: 1.7 PLC positioning The four axes o
Page 131 and 132: Example: PLC positioning of the Z a
Page 133 and 134: 2 Reference Marks By setting a datu
Page 135 and 136: 2.1 Passing over the reference mark
Page 137 and 138: Sequence "Automatic passing over re
Page 143 and 144: 2.1.3 Linear measurement via rotary
Page 145 and 146: MP1320 Direction for traversing the
Page 147: ✎ 4-50 TNC 360 2 Reference Marks
Page 151 and 152: The kv factor (position loop gain)
Page 153 and 154: MP1810 Kv factor for operation with
Page 155 and 156: Kink point: For machines with high
Page 157 and 158: 3.2.2 Control with feed forward Fee
Page 159 and 160: U [V] t [ms] If the K v factor is t
Page 161 and 162: 3.3.3 Offset adjustment with integr
Page 163 and 164: 3.4 Contour behavior in corners 3.4
Page 165 and 166: 3.5 Monitoring functions The NC mon
Page 167 and 168: 3.5.2 Position monitoring for opera
Page 169 and 170: 3.5.5 Standstill monitoring The Sta
Page 171 and 172: 3.6 Controlled axes The machine par
Page 173 and 174: 3.6.3 Axes in motion If the axes ar
Page 175 and 176: ✎ 4-78 TNC 360 4 Spindle 8/95
Page 177 and 178: 4.1 Analog output of the spindle sp
Page 179 and 180: MP3510 Spindle speed for gear range
Page 181 and 182: 4.1.3 Spindle override The spindle
Page 183 and 184: A different gear range from that wh
Page 185 and 186: PLC example for gear change and jog
Page 189 and 190: S-code table S code rpm S-code rpm
Page 191 and 192: Orientation from rotation: S [rpm]
Page 193 and 194: After the start of spindle orientat
Page 197 and 198: If the tapping cycle is called, mar
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4.4.2 Tapping with floating tap hol
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Machine parameters MP7130 and MP714
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5 EMERGENCY STOP Routine A PLC inpu
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5.2 Flow diagram The external elect
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MP950 Datum point for positioning b
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6.2 Graphic simulation To check for
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6.3.2 Display mode and traverse dir
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MP7620 Feed rate override Input: 0
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The machine parameter MP 7235 allow
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MP7274 Expanded spindle display Inp
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The dialogs for PLC error messages
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M3006 PLC error message 82 M3007 PL
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6.6 Cycles The HEIDENHAIN contourin
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6.6.2 Pocket milling The overlap fa
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6.6.4 Scaling factor Machine parame
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6.7 File types With the TNC it is p
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6.10 Programming station Machine pa
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✎ 4-136 TNC 360 6 Display and Ope
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The evaluation of the M function mu
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7.1 Program halt on M functions Nor
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Marker Function Key code Set Reset
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✎ 4-148 TNC 360 8 Key Simulation
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Marker Function Error message Set R
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An error message "Touch point inacc
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✎ 4-154 TNC 360 9 Touch Probe 8/9
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The feed rate in the normal directi
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9.2.1 Scanning cycles Direct access
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Inside Corners 6 Max. deflection of
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Optimize the X and Y axes by defini
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Calculation of Possible Oscillation
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10 Electronic Handwheel Either a -
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✎ 10 Electronic handwheel 4-168 T
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10.3.1 Assignment of keys and LEDs
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LBL 11 . . EM LBL 12 . . EM LBL 13
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Step switch S2 Step switch for axis
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11 Analog Inputs The function of th
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12 Incremental Jog Positioning The
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✎ 4-180 TNC 360 12 Incremental Jo
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✎ 4-182 TNC 360 12 Incremental Jo
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CMT 47 ;HIRTH_4_AXIS ;----CLEAR ERR
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PL W232 ;GRID_4 ;----READ MP1030.3
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✎ 4-188 TNC 360 13 Hirth Coupling
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✎ 4-190 TNC 360 14 Datum Correcti
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✎ 4-192 TNC 360 14 Datum Correcti
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14 Datum Correction The PLC datum c
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15 Tool Changer A tool changer can
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Example of NC program: . . . TOOL C
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een physically changed. If the cont
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S → N: Normal tool follows Specia
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M → N: Normal tool follows Manual
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N → M: Manual tool follows Normal
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S → S: Special tool follows Speci
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S → S, Double Changing Arm (M2600
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N → S, Double Changing Arm (M2600
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MP7261 Number of pockets in tool ma
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Other PLC operands which are used:
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15.3.2 Program module TOOL CALL Aut
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15.3.5 Program module MANUAL TOOL I
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15.3.7 Program module MANUAL TOOL I
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15.3.9 Program module COMPARE P COD
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15.3.11 Program module COMPUTE SHOR
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- Tuning of the drive amplifier: As
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✎ 4-230 TNC 360 16 Commissioning
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16.3.4 Testing the direction of tra
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k v factor Adjust the k v factor (M
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✎ 4-236 TNC 360 16 Commissioning
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Optimizing acceleration If the maxi
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Optimize the position approach For
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16.3.8 Optimizing the integral fact
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✎ 16 Commissioning and start-up p
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17 Point-to-Point and Straight-Cut
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Machine parameters - Contents 5 1 W
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2 Input/Output of Machine Parameter
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Machine Function and input Reaction
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3.5 Spindle Machine Function and in
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3.10 Tapping Machine Function and i
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3.12 Machining and program run Mach
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Marker Function Set Reset Page M204
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Words Function Page W566 Feed rate
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3.1.10 ASSIGN DOUBLEWORD D= 7-36 3.
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4.9.3 Module 9102: Interface status
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1.2 PLC - Main menu Enter the code
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1.2.2 Erase PLC program In the oper
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DISPLAY TRACE BUFFER With the DISPL
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2 Program Creation The PLC program
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2.2 Address allocation 2.2.1 Operan
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Address Function D792 Value from MP
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Example: Start of Timer 1 Period in
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2.4.2 Counters 32 counters are avai
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The PLC files are then transferred
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2.7 Error messages Error messages a
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✎ 7-26 TNC 360 2 Program Creation
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Word execution with the LOAD comman
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Word execution with the LOAD NOT co
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3.1.4 LOAD BYTE (LB) LB Abbreviatio
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3.1.7 ASSIGN (=)= Abbreviation for
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3.1.8 ASSIGN BYTE (B=) B= Abbreviat
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✎ 7-38 TNC 360 3 Commands 8/95
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3.2.2 RESET (R) R Abbreviation for
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3.2.4 RESET NOT (RN) RN Abbreviatio
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3.3 Logic Gates 3.3.1 AND (A) A Abb
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3.3.2 AND NOT (AN) AN Abbreviation
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3.3.3 OR (O) O Abbreviation for the
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3.3.4 OR NOT (ON) ON Abbreviation f
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3.3.5 EXCLUSIVE OR (XO) XO Abbrevia
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3.3.6 EXCLUSIVE OR NOT (XON) XON Ab
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✎ 7-56 TNC 360 3 Commands 8/95
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3.4.2 SUBTRACTION (-) - Abbreviatio
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3.4.4 DIVISION (/) / Abbreviation f
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✎ 7-62 TNC 360 3 Commands 8/95
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3.5.2 LESS THAN (
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3.5.4 LESS THAN OR EQUAL TO (
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3.5.6 UNEQUAL () Abbreviation for P
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3.6 Parentheses with logical gating
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Examples for the commands AND [ ],
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3.7 Parentheses with arithmetic com
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Command sequence without parenthese
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3.8 Parentheses with comparison com
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Example: Initial state: Constant =
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3.9 Shift Commands 3.9.1 SHIFT LEFT
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✎ 7-84 TNC 360 3 Commands 8/95
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3.10.2 BIT RESET (BC) BC Abbreviati
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✎ 7-88 TNC 360 3 Commands 8/95
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3.11.2 Acquire data from the data s
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Examples for the commands PS, PL, P
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3.12 Jump Commands 3.12.1 Unconditi
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3.12.4 Call Module (CM) CM Abbrevia
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3.12.7 End of Module, Program End (
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3.13 CASE statement 3.13.1 Indexed
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✎ 7-102 TNC 360 3 Commands 8/95
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4.3 Module 9010: Indexed reading of
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4.5 Module 9032: Transfer machine p
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4.7 Module 9036: Transfer PLC statu
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4.9.1 Module 9100: Assign data inte
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4.9.4 Module 9105: Transmit binary
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4.9.6 Module 9120 Position an auxil
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Possible errors: The transferred ax
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Call: PS B/W/D/K (0..3 for X/Y/Z/IV
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✎ 7-120 TNC 360 4 PLC Modules 8/9
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5.1 PLC Program conversion PLC prog
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Marker Function Set Reset TNC 360/3
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JPT 211 L K+1 ;load 1 as actual val
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5.3.2 Non-implemented markers Marke
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4 Data transfer with BCC 8-35 4.1 G
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1.1 Principles of data transfer Sin
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The letter 'z' is represented by th
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1.1.4 Data transfer rate The data t
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2 TNC data interfaces 2.1 General T
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Control/signal lines: DCD (Data Car
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2.3 Data interface functions The da
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These transmission protocols can be
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When a file is transferred, the fir
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Example: A pallet file with the nam
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2.5 Configuration of the interface
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DTR: Polled by peripheral; it is lo
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For the control characters for the
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2.6 External programming In the cas
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1st file 2nd file Last file Periphe
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Peripheral unit Transmission path
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3.1.6 Reading in an offered program
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4.1.1 Calling a program directory I
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4.1.4 Reading in a selected program
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4.1.6 Reading in an offered program
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5 Data transfer by PLC Using PLC mo
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6.2 HEIDENHAIN peripherals' error c
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OEM Cycles - Contents 1 Introductio
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1.1 Creating OEM cycles Programming
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MP7240 Inhibit program input for [P
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2 "Bolt Hole Circle" OEM-Cycle Exam
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3.2 Calls in an ISO program In an I
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1 PLC Positioning Module 1.1 Introd
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X25 Data interface RS-422/V.11 and
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1.4 Reference signal evaluation Aft
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Character DEC OCT HEX 0 048 060 30
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✎ 11-4 TNC 360 7-Bit ASCII Code8/
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C Call Module (CM).................
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Feed rate for traversing the refere
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Mechanical vibration...............
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positioning error..................
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Tapping with floating tap holder ..
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Technical Manual TNC 360 - heidenhain - DR. JOHANNES ...

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