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Service Manual TNC 351/355

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1. SERVICE MANUAL TNC 351 355 VENIM DR JOHANNES HEIDENHAIN GmbH Page 39 D 8225 Traunreut Tel 08669 31 0 Kundendienst Peer er ee SLT er ERE EB EH Or zi 22 HEIDENHAIN SERVICE MANUAL TNC 351 355 NEP DR JOHANNES HEIDENHAIN GmbH Page 40 Edi D 95225 Traunreut Tel 08669 31 0 Kundendienst Gel e Eo See S ers Iac E PE Key assignment for 5 axis version s e X lt et et Lis TT fet tT HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 41 D 8225 Traunreut Tel 086 69 31 0 Kundendienst 7 DISPLAY Unit BE 212 412 7 1 DISPLAY Unit For TNC 351 BE 21 2 Id no 242 370 01 7 2 DISPLAY Units for TNC 355 BE 412 Id no 237 657 01 BE 412 B Id no 241 845 01 discontinued type current type SFHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 42 D 8225 Traunreut Tel 08669 31 0 Kundendienst 7 3 Testing the DISPLAY Unit BE 412 If the machine is switched on and the DIS
2. PLC time of timers for timer 16 21 19 65535 in units of 20 5 194 196 x x gt gt 198 199 200 201 202 203 204 205 195 197 x 296 t t 4 lt Ei i S DUE UP AU ERES yee 5 8 HES SSES SSES NEU COM ED MCN MUN DM KO CAO C M DE Function dependent on M92 bit 9 203 em n 1 1 s MP92 bit 9 0 activation of PLC macro commands M92 Bit 9 1 number of tools with mie 1 4 99 tools allocation number Al Activation of PLC macro commands 210 9999 Setting of markers 3268 2263 211 212 f Cycle Scaling is active 213 i 3 axes spacial 2 axes or on 3 axes j i 2 axes operating plane 3 HEIDENHAIN SERVICE MANUAL TNC 351 355 9 DR JOHANNES HEIDENHAIN GmbH Page 102 D 82265 Traunreut Tel 08669 31 0 Kundendienst U 1 ur eee rv Function Parameter Input range programmed stop with M06 1 no programmed stop with M96 Output of M89 normal output at beginning of
3. 4 Unscrew and remove aite terminal if required OOO COOOOOOOODQ LL Ia DOOQOOOOOOOOD QO XO Pry apart terminal connector Transducer Connectors unscrew coupling ring with screwdriver SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 81 D 8225 Traunreut Tel 08669 31 0 Kundendienst c Unscrew the 4 mounting screws for the LOGIC Unit d Take out the LOGIC Unit and replace with an exchange unit 16 2 2 Mounting the LOGIC Unit The procedure for mounting the replacement LOGIC Unit is opposite to that of removal a Mount and secure LOGIC Unit b Reconnect plug terminal and clamp connections Please pay attention that no connections are interchanged Switch on mains switch d Read machine parameters in again machine parameter PLC program and compensation value list which were saved before the exchange e Enter preset values and supplementary operating modes from the previous table before approaching the reference marks f Read in user program Exchange completed HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 82 D 8225 Traunreut Tel 08669 31 0 Kundendienst 16 3 Exchange Procedure for the PROCESSOR Board 16 3 1 MOS Protection Mat Software Backup and Cable Labelling see section 16 1 2 to 16 1 6 16 3 2 Removal of PROCESSO
4. BD Press snap lock connector inwards and pull off flat cable D Y HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 85 D 8225 Traunreut Tel 08669 31 0 Kundendienst e Unscrew mounting screws pasen Ee oe E Unscrew knurled screws Loosen fastening Screws f Take out CLP PROCESSOR Board from the frame exchange EPROMs if necessary see section 1 3 insert new board 16 4 3 Insertion of CLP PROCESSOR Board The procedure for inserting the replacement CLP PROCESSOR Board is opposite to that of removal a Insert and secure CLP PROCESSOR Board b Reconnect plug connection Please pay attention that no connections are interchanged c Close LOGIC Unit d Switch on mains switch Exchange completed ATTENTION Send or store the boards only in the original package which protects the boards against electrostatic discharge Do never use ordinary plastic material for packaging HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 86 ME D 98225 Traunreut Tel 08669 31 0 Kundendienst 16 5 Procedure for the e ESO UTS POWER SUPPLY Board Assembl a Switch off mains switch of the machine b Open LOGIC Unit c Disconnect terminal and Press strap lock connector multiplug connector inwards and pull off plug X2
5. EUREN E IRR Acceleration X Y 2 IVth axis 54 1 X axis t t 18610 3 0 n s RM CHEM CDD ee PESE EE RED EM P SS Radial acceleration T 55 1 008 3 6 51 Seis Sh stro te N RENE uve ac Position supervision in operation with speed precontrol erasable 56 j 810 00 30 na Emergency stop 57 ti t ee ee apa NIE NE dpe teeta M HE M Positioning window X Y 2 58 l t t 1 86 00 2 000 un i l 193163 0 001 65 535 mn ee RI eae eee sole he ed Pa uec le eur ce Tio pc ne ek Axis sequence when approaching 59 itti bj x1 Y a NW 12 4 X Y W the reference marks D Y Y W2 Ded Y Wy X 2 f IV 14 2 Y X WW x j Xa WY 8 1 Y 4 X NYZ 16 2 WXY 5 X IVZ Y 11 2 WY EREE 18 WX Y 2 Y Y INI 19 WK ZY Y 2 X IV IVY X 2 Y 11 1 IVY X i i Y VX 2 22 IVZ X Y Ws YWEX a NI MG Speed precontrol 66 4 8 on 1 off nAv T Qutput of tool nunbers or 1 ti allocation numbers i i if the tool number changes 2 output of the tool number With each tool call I 3 output of allocation no if MP 225
6. 4 to 7 or 12 to X axis Y axis 22 Z axis 23 IVth axis 330 Vth axis The procedure for data backup is described in section 12 1 The programs do not have to be backed up if they are already present on an external data carrier Note The machine parameters the compensation value list if active and the PLC program MP 77 unequal 1 should be principally backed up on an external data carrier due to reasons of safety FHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 78 D 8225 Traunreut Tel 08669 31 0 Kundendienst 16 1 5 Data determination for Supplementary Operating Modes If the PROCESSOR Board or the complete LOGIC Unit is to be exchanged the pre set values and the input values should be determined for supplementary operating modes to bring them to the previous state after the exchange Switch the main switch on and off again Press Dialog display keys Remarks MEMORY TEST E POWER INTERRUPTED RELAY EXT DC VOLTAGE MISSING Switch on control voltage MANUAL OPERATION PASS OVER X REFERENCE MARK Do not yet approach reference PASS OVER Y REFERENCE MARK marks PASS OVER Z REFERENCE MARK PASS OVER REFERENCE MARK AXIS 4 VACANT BLOCKS CHANGE MM INCH POSITION DATA Note position data X ad o o justed and then switch over REF LAG NOML DIST to ACTL with the key Do not forget sign POS DATA DISPLAY LARGE SMALL RS 232 C INTERF
7. spindle without position data 2 as input value 1 with position i data however displayed instead of the IVth resp the Vth axis Kv factor for S axis spindie 238 4 0 108 10 0000 Counting direction and handwheel input 239 inhibit for axis of spindle orientation i i Counting direction positive counting direction 1 negative counting direction Kot assigned Not assigned 2 2 Not assigned 3 op ou Encoder input X5 as Handwheel 4 encoder input X5 corresponds input for the X axis to the standard input 16 encoder input X5 corrresponds to the Handwheel input for the X axis EL AF ee oa el oe CERERI Positioning value to reference 246 j hi 7 t 360 000 value for the S axis spindle L 4 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 105 8225 Traunreut Tel 08669 31 0 Kundendienst Cycles to mill pockets of any contour counterclockwise premilling of the contour with pockets clockwise premilling with islands 1 clockwise premilling of the contour with pockets counterclockwise prezilling with islands Cycle Reanming nilling direction to premill contour 200 Tmmeer 5 10 L
8. a HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH WIE 052251 Adu Bouse AQ SNBA eUILUGU OYA H Joena p onov ce YLO dois Aoueftieu3 end 334 v indureougmylp AO BBA peun qua JONDA 100 SERVICE MANUAL TNC 351 355 Page 24 4 5 02 Adans 37 yo 8 v e9umsip xew SOU A OIE 329uuo2 indu e2ugieyip BBA PULOU 100 UAR 5 O 1 0450 30 pue 10 Acting 92u 8I BNIB gutuou i J01en QJ Gui s ou p Ajddns 2N Buipuno o quu 9 M e uud p4 Q 1550 Ded DN 20j Aking eSuesepelur D 8225 Traunreut Tel 08669 31 0 HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH 4 6 Groundin 4 6 1 Logic Unit without grounding termina P4 Kundendienst N SERVICE MANUAL TNC 351 355 Page 24 1 DR JOHANNES HEIDENHAIN GmbH Ed D 8225 Traunreut Tel 08669 31 0 2 4 I 2 I Kundendienst uu 9 Z 9 99492093991 Due Dous pinous A 0 JO GION v ue 1nd ener PuL pepuncuB qu angea jeusuou yun gouesa Z Buunseeyy 6usnou A 0 gt soe Z g auod
9. p dene aiu edd tee dat ee ae Cycle Reaming 1 mill a channel round the contour sequence for reaming and first ream the pocket subsequently prenilling 2 ream the pocket first mill a channel round the contour subsequently e Wu EN em Combining corrected or 2 combining corrected contours uncorrected contours 4 combining uncorrected contours Reference mark distance for 6 65535 distance coded encoders X 242 no distance coded reference marks Y 243 1000 linear encoder with 26 pm grating i 24 pitch or angular encoder with 36 IV 245 reference marks and 18649 lines 65535 incrementals 65535 incrementals Q 99999 999 rpm Setting a binary number with 16 markers marker 2208 to 2223 J Ut uas ae sm m m m a OP Q qM M M M u sasa Setting a binary number with 16 markers 250 narker 2224 to 2239 Touch probe rapid traverse for probing 251 29998 mm min Automatic cyclic offset adjustment 152 65535 in unist of 26 ns no automatic adjustment a a a a a M s e Allocation of the axes to X 25 standard allocation the encoder inputs Y 24 1 encoder input X1 1 255 2 encoder input X2 IV 256 3 encoder input X3 Y 257 4 encoder input X4 5 encoder input X5 6 encoder I
10. 8 gt idu aup AQ ONIRA UAR 1 38609 tepi 1 D Wouds s v t 4 6 2 Logic Unit with grounding terminal HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH P 25 RAE D 8225 Traunreut Tel 08669 31 0 age Kundendienst gt s External Sai 1 5 1 Requirements of the Ext Suppl The LE 355 must not be supplied by the machine control voltage The LE 355 needs its own external separately generated supply voltage to VDE 0551 24 V DC voltage with a permissible oscillated AC component of 1 5 Vpp recommended filter capacitor 10000 uF 40 U 24 V 15 Vp t The PLC part PLC inputs and outputs of the LE 355 and PL 300 is operated on the 24 V control voltage of the machine which is generated according to VDE 0550 Superimposed oscillated AC components which derive from an uncontrolled three phase non filtered bridge circuit with a ripple factor see DIN 40110 10 75 Section 1 2 of 596 are permitted This results in a maximum absolute value of 33 4 V for the upper voltage limit and a minimum absolute value of 18 5 V for the lower limit t The 0 V lines of the two power sources must be connected together Z 6 mm and to the central operating ground of the machine B via an earth ground Z 6 mm The voltages must comply with the definitions given below Unit Supply voltage Voltage range Ma
11. Nominal value voltage for spindle drive 70 9 999 V when gear is changed ign for end and beginning of progran 71 65515 Selection of the axes inhibited 12 for the control bit Eur B 4 not inhibited inhibited lant ny 1 not inhibited inhibited tit 2 not inhibited z inhibited IYth axis IPS SS is j not inhibited inhibited Vth azis ae 4 z not inhibited 16 inhibited a ey a a M H L M M M M w s maa EHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 95 D 8225 Traunreut Tel 086 69 31 0 Kundendienst Y M i Spr ren e Function Parameter Input range er uia 0 65 535 s MP 92 Bit 12 4 BCD output of the spindle speed Preswitch off time of the spindle for cycle Mapping MP 92 Bit 12 2 1 Analog output of the spindle speed spindle tracking time after reaching the drilling depth with cycle Tapping Feed and spindle override 74 a ee el eg e Feed override if the rapid traverse key override not active is pressed in the auto operating modes 1 override active Continuous feed override or 23 stages ak stages feed override continuous Feed override if the rapid traverse key override not active and the external directional keys are override active pressed in the operating mode Manual
12. With versions having no connector X2 the plug on the CLP processor board has to be disconnected see section 16 4 2 Loosen terminal block Screws and pull wires du B EHEIDEN HAIN SERVICE MANUAL TNC 351 355 E DR JOHANNES HEIDENHAIN Gm Page 87 7 D6225 Traunrout Tel 08969 510 Kundendienst d Loosen fastening screws Take out POWER SUPPLY Board Assembly and insert replacement approx 5 rotations mm II e Tighten fastening screws reconnect terminal and multiplug connection Please pay attention that no connections are interchanged f Close LOGIC Unit switch on mains switch Exchange completed ATTENTION Send or store the boards only in the original package which protects the boards against electrostatic discharge Never use ordinary plastic bags for packaging Ss HEIDENHAIN SERVICE MANUAL TNC 351 355 C DR JOHANNES HEIDENHAIN GmbH Page 88 D 8225 Traunreut Tel 08669 31 0 Kundendienst 16 6 Exchange Procedure for PLC POWER 7 0 Board Assembly PL 389 a Switch off mains switch b Unscrew clamped and remove terminal connections at the PL 300 Unscrew clamped Jm 6 PDO AC eS DOOODODDOD D QQX XO CX Loosen the 4 turn lock fasteners and remove cover of LOGIC Unit Pry apart te
13. 190 008 3 av P au tee 216 Se ee re Minimum for feed override when 182 158 tapping Maximum for feed override when 183 o 158 4 tapping EHEIDENHAIN SERVICE MANUAL TNC 351 355 72 DR JOHANNES HEIDENHAIN GmbH Page 101 D 8225 Traunreut Tel 08669 31 0 Kundendienst P aed en aa ee er ee Function Parameter Input range Bo Minimum voltage for analog output 18 1 9 999 V Waiting time to switch off the residual 185 b Per gy 0 65 535 s nominal value voltage when the error message Positioning error appears atus for positioning rs 0006 AE A A ORE Sree l Datums for positioning if blocks with N92 X 186 j t 3008 30000 0100 mal Y j4 t resp 2 188 t 3000 00 000000 i Iu 183 i us na a mu Programming of speed 1 0 OG permitted 20 permitted voltage value of 1 20 not permitted MP 184 be very low Display of current spindle 141 Speed before the spindle start d Ht 1 E p Positioning window for the IVth axis 192 0 001 2 900 mm or 3 0 001 65 535 mm or 1
14. see section 11 2 12 1 1 Output of Machine Parameters to the ME Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER 9 5 1 MACHINE PARAMETER PROGRAMMING epu MACHINE PARAMETER MP 0 EXTERNAL DATA INPUT M o EXTERNAL DATA OUTPUT MANUAL OPERATION 12 1 2 Output of Machine Parameters to the FE Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER 9 5 1 MACHINE PARAMETER EA EXTERNAL DATA INPUT PROGRAM NUMBER program number requested under which the machine parameters are to be output and acknowledge with the 9 EXTERNAL DATA OUTPUT MANUAL OPERATION HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 57 D 8225 Traunreut Tel 08669 31 0 Kundendienst 12 1 3 Output of the PLC Program to the ME Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMEBR 181 5 1 o 2 6 TABELLE E A 2 T N PC EDITIER FUNKTION FE 2 o EXTERN EIN AUS El AUSGABE ASC BIN ENT NO ENT AUSGABE PGM ZEILE 0 2 0 e AUSGABE BIS PGM ZEILE Q 0 4 e 3 0 1 EXTERNAL DATA OUTPUT EM QUERVERWEIS LISTE PC EDITIER FUNKTION MANUAL OPERATION 1 With output of Ist and 2nd kByte 2 With output of 3rd kByte JHEIDENHAIN 2 DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31
15. N HEIDENHAIN SERVICE MANUAL TNC 351 355 WENN DR JOHANNES HEIDENHAIN GmbH Page 63 NEU D 8225 Traunreut Tel 08669 31 0 Kundendienst 13 Analog Outputs 13 1 Technical Data 5 or 6 outputs X Y Z IV V and 5 Loading capacity RL min 5 max 5 nF Ua max t 10 V 0 25 V Ua min V 1 mV Resolution 12 Bit 4095 steps Ua max 10 V Smallest step 2 44 nV 4095 steps 4095 13 2 Measurin the Analog Output Voltages Proportional to the traversing speed the control outputs an analog voltage of V axis standstill to 9V rapid traverse This voltage can simply be sured with the ANALOG OUTPUT TEST ADAPTER directly at the LOGIC Unit or at the connecting terminals of the servo amplifier with a voltmeter If however no axis movement takes place due to a defect and if it is to be checked whether the error is due to the control or to an external unit proceed as follows witch off mains switch at machine Connect ANALOG OUTPUT TEST ADAPTER to connector X8 nominal value output of the LE and connect voltmeter at the ANALOG OUTPUT TEST ADAPTER to the Sockets of the defective axis If no ANALOG OUTPUT TEST ADAPTER is avai lable then connect voltmeter directly to the nominal value input of the servo amplifier Switch on main switch and control voltage Switch position display to LAG trailing error Check or adjust the following machine parameters n
16. 03 525 Qgaoaag oooo0 00009 00000 00000 high version wide version 1 without graphic keys 2 without connector X 1 connection to Machine Operating Panel 3 with ground connection 1 IV axes version 5 V axes version HEIDENHAIN SERVICE MANUAL TNC 351 355 es j DR JOHANNES HEIDENHAIN GmbH Page 36 D 8225 Traunreut Tel 08669 31 0 Kundendienst 6 2 Circuit Diagram of the KEYBOARD Unit 07 L 406 25 05 24 04 j 503 22 02 21 01 20 og 7 h g T ar x T SO o m T Woe rie z 264 412y Pot f li Mm o ep x Wiper Spindle Pot 57 Wiper Override Pot gt 5 5 gv 14 13 Sad T 128 n 04 i129 s r2 E130 73 E131 5 Pra 132 2 T5 133 2 5476 Et34 5 L4 E135 5 17 1 E136 4 E137 d 94 TIP E138 2 TN E139 29 4 T12 E140 25 32 r8 E11 T14 E142 T15 E163 22 30 4 OF 15V 21 not 20 assigned 19 EHEIDENHAIN SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH Page 37 D 8225 Traunreut Tel 08669 31 0 Kundendienst 6 3 Testing the KEYBOARD Unit Safe and fast testing of the KEYBOARD Unit is possible by means of a KEYBOARD TEST UNIT The KEYBOARD TEST UNIT is connected to the X
17. 16 Exchange Information 76 16 1 General 76 16 2 Exchange Procedure for the LOGIC Unit 80 16 3 Exchange Procedure for the PROCESSOR Board 82 16 4 Exchange Procedure for the CLP PROCESSOR Board 84 16 5 Exchange Procedure for the POWER SUPPLY Board Assembly 86 16 6 Exchange Procedure for the PLC POWER I O Board PL 300 88 16 7 Exchange Procedure for the EPROMs 90 17 Machine Parameter Listing 91 N HEIDENH AIN SERVICE MANUAL TNC 351 355 9 DR JOHANNES HEIDENHAIN GmbH Page 3 D 8225 Traunreut Tel 08669 31 0 Kundendienst I s s s s 2 2 2 How to use the TNC 3531 7355 Service Manual The TNC 351 355 Service Manual can be used for fault diagnosis fault loca lisation and elimination of a TNC controlled machine tool In order to determine the fault condition on an NC machine a fundamental knowledge of the machine and the servo amplifiers is necessary as well as a knowledge of their interaction with the Control and measuring systen In addition improper use of the Control such as incorrect NC programming or incorrect selection of machine parameters can lead to the occurrence of fault conditions Further information in this respect can be found in the Machine Documentation of the Manufacturer Service Manual Handbook for the Machine Manufacturer The handbook for the machine manufacturer is not enclosed with every control as the service manual It is generally only supplied to the machine manufacturer and
18. Continuous spindle override or t 2X stages 2 amp stages spindle override 8 continuous Reference signal evaluation for 15 inhibited axes reference signal evaluation without display Reference mark approach 1 reference signal evaluation with display Reference mark approach 4 no reference signal evaluation Position data and encoder 76 supervision Position data and encoder inactive supervision for inhibited axes 1 active The supervision of the encoder inputs encoder input X for each axis can be separately switched with supervision off with bit 2 up to bit 5 This is no supervision applied for inhibited axes and for 4 4 non inhibited axes The position data encoder input Y remains active if bit 1 with supervision no supervision encoder input Z with supervision no supervision a HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH NE D 8225 Traunreut 08669 31 0 Page 96 Kundendienst 5 a encoder input IV 0 with supervision 16 no supervision encoder input V 0 with supervision 32 no supervision encoder input VI 0 with supervision no supervision PLC Program from RAM or from EPROM 2nd K commands from RAM 2nd K commands from EPROM 18 a 1st a 3rd K commands from EPROM 3rd K commands from RAM S an
19. DR JOHANNES HEIDENHAIN GmbH Page 27 D 8225 Traunreut 08669 31 0 9 Kundendienst 5 2 1 LE 351 NC POWER SUPPLY Board Assembly PROCESSOR Board CLP PROCESSOR Board VDE 0551 B Ng POWER SUPPLY Board gan batt 3 x 1 5V fine wire fuses connecting terminals for 24 supply LED displays X2 connector The connector doesn t exist with new versions due to direct soldering of the insulated wires onto the power supply board HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH NEA D 8225 Traunreut 08669 31 0 Page 28 Kundendienst 5 2 2 LE 355 NC POWER SUPPLY Board Assembly Fig 4 Adapter 1d No 224 873 ZY PROCESSOR mme as o M Board CLP PROCESSOR VDE 0551 ere Board 425 2 L BE v i 1 po v amp E gt gt a V VOE 0550 va 5 E 9 gt q e 5 v w POWER SUPPLY Board zu batt 3 x 1 5V fine wire fuses connecting terminals for 24 supply connector LED displays The connector doesn t exist with new versions due to direct soldering of the insulated wires onto the power supply board i HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 29 D 8225 Tra
20. ERR 001 Wrong instruction code e g wrong machine parameters for control character ERR 002 Illegal program name monitor operation ERR 003 Faulty data transmission ERR 04 Incomplete program on diskette ERR 010 Program not on diskette ERR 011 Program is protected against erasure ERR 012 Program is being stored ERR 013 Diskette directory is full ERR 014 Diskette is full ERR 100 Diskette not formatted ERR 102 Drive not ready ERR 103 Diskette is write protected ERR 104 Faulty data on diskette ERR 105 Section cannot be found e g unformatted diskette is to be described ERR 106 ERR 107 Electronic error in the FE ERR 1908 PFHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 54 El D 8225 Traunreut Tel 08669 31 0 Kundendienst 11 6 3 Error Messages at the ME The ME electronics as well as the external operating conditions are tested Detected errors are displayed as flashing codes by the operating mode indi cating lamps Error descriptions can be found in the following table O LED off A LED flashing Indicating lamps Error message O O O Faulty data during transmission OOOO X Q Cassette is not inserted O O 6 Write protection pin in cassette is missing OQ OO O Wrong operating mode selected OOOO O e Data from magnetic tape defective OOOO O 9 6 O Magnetic tape blank QOO O ooo O O OOOO O 0O
21. MACHINE PARAMETER PROGRAMMING MACHINE PARAMETER MP 0 PROGRAM NUMBER Input program number under which the machine parameters are stored and transfer with the key EXTERNAL DATA INPUT After reading in the machine parameters POWER INTERRUPTION usually appears in the dialog display if however the error message MACHINE PARAMETERS IN COMPLETE appears fewer machine parameters are stored on the external data storage unit than required by the TNC In this case the remaining machine parameters have to be entered manually These machine parameters can be obtained by the machine manufacturer E HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 60 NL D 8225 Traunreut Tel 08669 31 0 Kundendienst 12 2 3 Input of Machine Parameters from the ME with not erased Memory the machine parameters in the memory are overwritten Dialog display Press key 9 8 1 4 8 MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER MACHINE PARAMETER PROGRAMMING MACHINE PARAMETER MP 0 EXTERNAL DATA INPUT EXTERNAL DATA INPUT 12 2 4 Input of Machine Parameters from the FE with non erased Memory the machine parameters in the memory are overwritten Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER 9 5 1 MACHINE PARAMETER PROGRAMMING MACHINE PARAMETER MP 0 EXTERNAL DATA INPUT PROGRAM NUMBER Input program number und
22. Ue 16 5 V up to 30 V Ie 6 2 up to 12 6 m 14 1 4 PLC outputs to the PL 300 A32 up to A62 and control ready Us 3 V 1 2 1 min f I Connector layout see section 4 SERVICE MANUAL TNC 351 355 Page 67 2 V to X21 3 3 4 V A to X1 up to X3 3 4 BHEIDENHAIN SERVICE MANUAL TNC 351 355 NE DR JOHANNES HEIDENHAIN GmbH Page 68 D 8225 Traunreut Tel 086 69 31 0 Kundendienst 14 2 Checking the PLC I O 3 test units are available for checking the PLC inputs and outputs PLC TEST UNIT X21 X22 and X27 KEYBOARD TEST UNIT for x23 PL TEST ADAPTER for PL Board All inputs or outputs of a connector are simultaneously displayed with the PLC TEST UNIT and the KEYBOARD Unit and their voltages can be meaured Only the inputs or outputs of one connector block of the PLC POWER I O Board As sembly PL 300 can be displayed at one time using the PL TEST ADAPTER Ta king measurements directly at the terminals is possible 14 2 1 PLC Inputs The inputs can be controlled as follows Connect TEST Unit to the or to the PLC POWER 1 0 Board Assembly PL 300 Select auxiliary operating mode MOD with the roo key and select key number with ker Input code number 951026 input with the key and look at the table at the BE of the inputs with the subsequently The logical states of the inputs are now displayed on the screen The states
23. displayed on the screen and on the test unit have to coincide If there is a difference then measure the voltage level as to the values see Techn Data for this input at the TEST UNIT If the input voltage is in order the respec tive input board is probably defective E to E31 and E128 to E152 PROCESSOR Board E64 to E126 PLC POWER I O Board Assembly PL 300 Acknowledge the auxiliary operating mode with the and 8 ATTENTION When connecting disconnecting always switch off mains switch first SHEIDENHAIN SERVICE MANUAL TNC 351 355 7 DR JOHANNES HEIDENHAIN GmbH Page 69 D 8225 Traunreut Tel 08669 31 0 Kundendienst 14 2 2 PLC Outputs The outputs can be checked as follows Connnect PLC 1 0 TEST UNIT between the and the interface or the PL 300 Interface auxiliary operating mode MOD with the key and select key number with the key Input key number 951026 enter with the 69 key and call the table at the BE for outputs with the key subsequently The logical states for the Outputs are now displayed on the screen The states displayed on the screen and on the test unit must coincide If there is a dif ference then check the connecting cable for short circuit and measure output current for this output at the interface max 100mA for the LE or 1 2A for the PL outputs If the output current is not exceeded and the connecting cable is also in order the output board is p
24. etd o I axis counts 2999 9 P as a position data for an angular 32 IVth axis counts 359 999 91 axis e o lt _ k lt lt A Activation of functions for the 47 44 j 146 Hirth toothing Hirth toothing for the IVth axis 64 Hirth toothing active Activation of functions for the 1 tj no Hirth toothing Hirth toothing for the Vth axis 128 Hirth toothing active lote i With active Hirth toothing MP 65 only determines the display step for the X Y and Z axes MP 260 is applied for i the IVth axis and MP 32 for the Vth axis n i Actual nominal value transfer after i 16 1 441 6 acknowledgement external EMERGENCY STOP 256 no acknowledgement Distribution of the central tool memory 3 6 6 tit no subdivision in tools with and without allocation 512 subdivision MP 209 number of numbers tools with allocation numbers MP 225 MP 209 number of tools without allocation numbers Manual insertion of tools without 10 4i 1 no tool call without allocation allocation numbers numbers possible that means error message Wrong allocation number 1024 tool call without allocation numbers possible that means no error message Automatic ac
25. oe oz ROL Oe 5 6 eo zoe Oe 7 N HEIDENHAIN SERVICE MANUAL TNC 351 355 e DR JOHANNES HEIDENHAIN GmbH Page 73 AE D 8225 Traunreut Tel 08669 31 0 Kundendienst 15 3 Test Aids for the PLC I O PL TEST ADAPTER Id no 247 359 01 SOOO PLC TEST UNIT Id no 247 361 01 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 74 d 0 8225 Traunreut Tel 08669 31 0 Kundendienst 15 4 Universal Test Unit for 15 37 pin Sub D connector Measuring adapter id no 255 480 01 GEM 00002 1 L 7 8 OOOOOOOOOO OOOOOOOOOO OOOOOOOO The measuring adapter is used to check the inputs and outputs of 15 37 pin Sub D plug connections cable adapter described on the following page is required for each connector size The measuring adapter can also be inserted instead of the PLC and the KEY BOARD test units without display however previously described IHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 75 D 8225 Traunreut Tel 08669 31 0 Kundendienst 9 pin cable adapter id no 255 481 01 15 pin cable adapter id no 255 482 01 25 pin cable adapter id no 255 483 01 37 pin
26. position is greater than programmed in machine parameter 169 GROSS POSITIONING ERROR E Supervision of offset voltage The offset voltage limit of 100 mV was reached with an automatic offset adjust ment by machine parameter 252 Possible location of error with the error message GROSS POSITIONING ERROR A B C D E With Gross Positioning Error the error can be due to any component of the closed loop e g control error e g CLP PROCESSOR Board excessive offset voltage at servo amplifier wrong speed adjustment at servo amplifier supervision of servo amplifier is effective e g current supervision electrical defect of servo amplifier motor defective tacho measuring system or cabling mechanical defect bearing spindle or guidance error excessive mechanical forces on drive HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 11 D 8225 Traunreut Tel 08669 31 0 Kundendienst Flashing display Fault cause TRANSDUCER X DEFECTIVE Fault code signal amplitude fault B signal frequency fault Measuring system not connected Cable damaged Glass scale dirty or damaged Scanning head damaged Measuring system supervision defective CLP PROCESSOR Board meom Y Z IV n V TRANSDUCER X DEFECTIVE B Supervision of measuring systems see section 8 3 LHN lt wow WRONG REFERENCE POINT Wrong distance of reference mark with trans ducers h
27. 08225 Traunreut Tel 08669 31 0 Kundendienst 4 LOGIC Unit LE 351 355 Logic Unit without Logic Board with PLC Power PLC Power I O Board Assembly PL 300 1 0 Board Assembly PL 300 4 7 Designation of the LOGIC Unit type and program label of older Logic Units PSA type label dU dM cs 5 IP r 12 CST EI E QUILT OU 3 muy munt m e type and program type label labels of new Logic Units type label CLP PROCESSOR Board PROCESSOR Board SERVICE MANUAL TNC 351 355 24 DR JOHANNES HEIDENHAIN GmbH Page 14 D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 2 Hardware components of the LOGIC UNIT The LOGIC UNIT consists of the following assemblies POWER SUPPLY ASSEMBLY PLC PROCESSOR Board PROCESSOR Board PL 300 PLC Power Supply Board only with Q W S Y Version The following tables show the inserted assemblies for the various LOGIC UNITS 4 2 1 TNC 355 Assembly Overview new Hardware Version connecting sockets marked with colours 355 5 D HEIDENHAIN SERVICE MANUAL TNC 351 355 MUR DR JOHANNES HEIDENHAIN GmbH Page 14 1 ASIE 0 5225 Traunreut Tel 08669 31 0 Kundendienst 4 2 2 TNC 351 355 Assembly Overview old Hardware Version Logic TNC 355 IV 5 TNC 355 V 355 V S Unit LE 351 B F LE 355 LE 355
28. 9 2 Electronic fault in ME 40 6 OOOO e Tape end O 9 9 6 Peripheral unit is not connected OOOO e e Data transfer between TNC and ME or peripheral unit O OOO interrupted by pressing the 5 kev By pressing the key the error messages can be erased SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH Page 55 D 8225 Traunreut Tel 08669 31 0 Kundendienst 11 6 4 Error Messages at the FE in the ME mode In the ME mode errors are displayed as flashing codes by the operating modes indicating lamps LED off LED on LED flashing Indicating lamps Error messages Diskette is missing or electronic error 6 o Diskette cannot be formatted since diskette 15 accessed Diskette is missing or not formatted Diskette cannot be copied since writing and reading is active External unit not ready or not connected Diskette is missing or not formatted Diskette is missing or not formatted or no program available Program cannot be output since a transmission is active via TNC interface Program cannot be output since a transmission is active via a PRT interface External unit not ready or not connected Diskette is missing or not formatted Diskette is missing or not formatted Program cannot be stored since a transmission is active via a TNC interfa
29. B F LE 355 Q W LE 355 B F LE 355 Q W LE 355 Lg 355 S Y Assemblies 243 992 236 482 237 660 238 32A 242 408 242 407 246 813 248 055 horde c oos SEGA GAMME a NES PL 300 X from first delivery from production code K7 7 89 n er OU HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 15 D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 3 LE 351 355 connector layout 4 3 1 Connector layout of LE 351 355 B F Q W LOGIC UNITS Power Closed Processor Closed loop supply loop board board X1 Encoder 1 X2 Encoder 2 Standard allocation X3 Encoder 3 Switchover via machine parameters 253 257 X4 Encoder 4 5 Encoder 5 X6 Electronic handwheel HR 150 HR 250 X7 Touch probe system X8 Nominal value output for X Y Z S V Red X9 Visual display unit BE 412B Blue X10 Reference pulse inhibitor Yellow X11 Test V O 1 Red S Signal ground gt Processor an X21 PLC output Red eo gt oan X10 X22 PLC input Yellow X23 Keyboard unit TE 355 Blue gt X24 Power supply 24 V for PLC io N X26 Data interface RS 232 C V 24 A id X27 Machine operating panel 4 Power supply X31 Power supply 24 for LE 1 only with Logi
30. E JL JL SEL EL EL EL NL E E X lt HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut amp 08669 31 0 Page 107 Kundendienst Function Parameter no 0 150 amp Limitation of the feed override in 1f marker 2509 1s set Acceleration 0 001 3 0 m s2 The acceleration for the X axis is determined by MP 54 Analog voltage with rapid 4 5 9 V traverse The analog voltage for the X axis is determined by MP 52 Input values for the datum shift activated via markers 2816 2817 2819 1 datm shift x 2 datum shift datum shift 30000 000 30000 000 mm 30000 000 30000 000 mm datum shift datum shift datum shift datm shift datm shift datum shift 30000 000 30000 000 mm 30000 000 30000 000 mm datum shift datum shift datum shift resp 30000 000 30000 000 factor for tha analog spindle voltage if marker 2822 is set 150 3 Ramp gradient S analog voltage to stop the spindle 0 1 999 V ms 0 acceleration and braking from MP 168 Ramp gradient for the S analog voltage if M 2816 is set Braking 1 999 M 90 not modal 1 89 except for 2 3 4 5 6 8 9 13 14 30 M funct
31. FE 401 HEIDENHAIN Floppy Disk Unit or other peripheral units The data is transmitted with a special protocol blockwise transfer in order to backup data The data format 7 data bits 1 Stop bit parity even parity the baud rate 9600 and the trans mission protocol is adapted to the FE EXT To adapt data transmission in the standard data format and for block Wise transfer on external peripheral units The interface for data transmission is adapted via the machine parameters the baud rate is optional Peripheral units for the operating mode EXT Paper tape punch or paper tape reader Printer or matrix printer for graphic printout Mass storage or programming stations for Blockwise Transfer Programming stations and PCs for external programming 11 1 1 Changing Operating Modes ME FE EXT Select auxiliary operating mode MOD with the Press the 4 or Ivo several times until the RS 232 C V 24 INTERFACE with the ME FE or EXT display appears Press the until the required operating mode is displayed Acknowledge the auxiliary operating mode with the T subsequently With graphic printout the operating mode EXT is automatically selected which is independent of the ME or FE mode 72 2 Selectin the Baud ERate Select auxiliary operating mode MOD with the Press the or several times until BAUD RATE is displayed Input new value for BAUD RATE if required poss
32. block modal cycle call at end of block axis standstill 4 no axis standstill axis standstill 8 no axis standstill Axis standstill if only one new spindle speed is output with a TOOL CALL Axis stands still when M function is output Receptions axis stands still with M funetions which result in a pro grammed stop as 46 M 2 or if STOP or CYCL CALL block occurs e lt lt w om xis stands still if a tool numnber axis standstill a tool axis or a spindle speed was 32 no axis standstill programmed with a TOOL CALL Noninal actual value acknowledgement during M S T strobe if marker 2552 ff Was set during N S T strobe the actual value is acknowledged as nominal value 64 during M S T strobe the actual value is not acknowledged as nominal value eset OES 8 000 mm min 19999 999 nn Switch over from HEIDENHAIN dialog HEIDENHAIN dialog programming to DIN ISO progranning 1 DIN ISO Blockwise transfer 218 ASCII character for data input Blockwise transfer 219 ASCII character for data output Blockwise transfer 2 ASCII character for the beginning the end of the command block ni ce E MEL TERN UE uuu en et Se Blockwise transfer 221 ASCII charac
33. is submitted to a change service by HEIDENHAIN Traunreut It is therefore absolutely necessary to consult the machine manufacturer in the case of errors concer ning the machine parameters or the interface of the control Support can also be obtained by the HEDIENHAIN service Traunreut or by HEIDENHAIN agencies Telephone numbers or addresses and telex telefax connections can be found on the inner side of the cover page and on the rear side of the service manual HEIDENHAIN SERVICE MANUAL TNC 351 355 l DR JOHANNES HEIDENHAIN GmbH Page 4 Z4 D 98225 Traunreut Tel 08669 31 0 EE Kundendienst x Error Messa es The TNC 351 355 contains a comprehensive integrated supervision system to avoid input or operating errors to localize and diagnose faults of tech EN defects of the whole plant TNC measuring system machine cabling etc The supervision system is a fix component of the TNC hardware and software and is always operative when the control is switched on The recognition of a technical defect or an operating error is displayed in plain language on the screen Insignificant error messages can be erased with the error messages listed described more precisely in the following in structions Service Manual section TNC 355 Operating Manual Handbook for the machine manufacturer resp machine documentation of the manufacturer FE 401 Operating Instruction
34. 0 Kundendienst SERVICE MANUAL TNC 351 355 Page 58 12 1 4 Output of the PLC Program to the FE Dialog display MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER TABELLE E A Z T M PC EDITIER FUNKTION EXTERN EIN AUS ENT NO ENT AUSGABE ASC BIN ENT NO ENT AUSGABE AB PGM ZEILE 0 AUSGABE BIS PGM ZEILE 0 PROGRAM NUMBER EXTERNAL DATA OUTPUT PC EDITIER FUNKTION MANUAL OPERATION 1 with output of ist and 2nd kByte 2 with output of 3rd kByte Press key o 5 5 1 0 2 6 K 8 z 8 4 8 66 esl S e mpoo gp zl 0 5 7 31 0 7 Input program number requested under which the PLC program is to be output and enter with the 12 1 5 Output of all NC Programs to the ME or the FE Dialog display Press key MANUAL OPERATION PROGRAMMING AND EDITING PROGRAMMING AND EDITING SELECTION ENT END NOENT READ IN SELECTED PROGRAM READ OUT SELECTED PROGRAM READ OUT ALL PROGRAMS EXTERNAL DATA OUTPUT PROGRAMMING AND EDITING EBHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 58 1 D 8225 Traunreut Tel 08669 31 0 Kundendienst 12 1 6 Output of the compensation value list to the ME Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER 1 0 5 2 9 6 COMPENSATION VALUE LIST DEFECTIVE AXIS K zaj EXTERNAL DATA INPUT EXTERNAL
35. 1 30000 000 Displacement for the Vth axis if the a 30000 000 Hirth toothing is activated via MP 92 Compensation factor for linear 1 000 1 000 mm m Compensation of the Vth axis HEIDENHAIN SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH P 110 D 8225 Traunreut Tel 086 69 31 0 age Kundendienst Parameter Input range no linear axis 30000 000 30000 000 mm rotational axis 30000 000 30000 000 _ ns Spindle speed deviation of nominal value output 2nd group software limit switch 5 ranges for the 5th axis 5 selectable via markers 2816 2817 3rd group software limit switch 5 11 1 30000 000 30000 000 rotational axis 30000 000 30000 000 ranges for the 5th axis 5 selectable via marker M2816 M2817 Datum for positioning blocks with M 92 30000 000 30000 000 mm resp 30000 000 30000 000 oo O O O O O O O O O O O O O O 99999 999 rpm 2nd spindle speed for spindle orientation active if the MP317 MP318 ramps were selected via marker 2823 2nd group software llmit switch X linear axis ranges selectable via markers 30000 000 30000 000 mm M2816 M2817 rotational axis 30000 000 30000 0009 HEIDENHAI SERVIC
36. 23 connection of the LE On the KEYBOARD TEST Unit the key code the input states of the inputs E 128 to E 143 and 12V are displayed In addition the voltages for the inputs E 128 to E 143 as well as the wiper voltage for the override or spindle potentiometer approx 0 11 5V can be measured With switched on LE and pressing a key the respective LEDs RL and Out illuminate The key code can be compared to the tables pages 38 to 40 If no KEYBOARD TEST UNIT is available the contacts of the keys can also be mea sured with an ohmmeter at the connector 6 3 1 KEYBOARD TEST UNIT Connection KEYBOARD Unit LOGIC Unit ono a goooo goon aaaoono poaaoa unoqa e e o E 128 to E 143 for the Machine Operating Panel Ov or Q Qc land 2 led hat m _ w w 5 3 HOLI KOL 5 5 Ay 5 5 5 gt D m x Oe Oe oe KEYBOARD TEST UNIT IHEIDENHAIN SERVICE MANUAL TNC 351 355 WENN DR JOHANNES HEIDENHAIN GmbH Page 38 D 03225 Traunreut Tel 08669 31 0 Kundendienst 6 4 Key Matrix iE CCS ie
37. 24 V not di connectible ETTI Z from LE 355 vacant x H ov I HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 21 D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 3 8 Connector Layouts of the TE 351 355 KEYBOARD Unit X1 For connection of the machine operating panel X2 For connection of the logic unit LE 355 Flange socket female 25 pole Flange socket male 37 pole Contact No Allocation Contact No Allocation 1 E140 1 RLO 2 E139 2 RL1 3 E138 3 RL2 4 E137 4 RL3 5 E136 5 RA for key matrix 6 E135 6 RL5 7 E134 7 RL6 8 133 8 RL7 9 E132 9 E128 10 E131 10 E129 o E130 wi T E130 12 E129 12 E131 13 E128 13 E132 14 V override potentiometer 14 E133 15 12 V override potentiometer 15 E134 16 Feed rate override potentiometer wiper 16 E135 17 Spindle override potentiometer wiper 17 136 18 to 21 do not assign 18 E137 22 15 V Supply for buttons of machine 19 E138 operating panel 20 OUTO 23 E143 21 OUTI 24 E142 22 OUT2 25 E141 23 OUT3 Caution 24 0074 key matrix Do not assign if the potentiometer on the TE is to be used 25 OUTS 26 OUT6 27 OUT7 28 E139 29 E140 30 15 V Supply for buttons of machine operating panel 31 E141 32 E142 33 143 34 Spindle override wiper 35 Feed rate override wiper 36 12 V Override potentiometer 37 0 V Override potentiometer HEIDENHAIN DR JOHANNES HEID
38. ACE ME Note baud rate Note interface 9 adju FE 0 sted and then switch over EXT 0 to ME FE or EXT with the key only Vth axis control EHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 79 D 8225 Traunreut Tel 08669 31 0 Kundendienst TNC dialog display Press key Remarks LIMIT LIMIT Note limit values Do not forget sign lt gt LIMIT NUMBER NUMBER only with V axes control G sg 16 1 6 Labelling of Connection Cables If the connection cables are incompletely or not at all labelled they must be labelled in order to generate the right plug connection after exchanging the LOGIC UNIT or another assembly Connector layout see section 4 3 ATTENTION Incorrect connection may cause damage to the unit HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 80 D 8225 Traunreut Tel 086 69 31 0 Kundendienst 16 2 Exchange Procedure for the LOCIC Unit 16 2 1 Backup and Cable Labelling see section 1 4 to 1 6 16 2 2 Demounting the LOGIC Unit a Switch off mains switch b Unscrew and disconnect all plug and terminal connections of the LOGIC Unit D Subconnector Unscrew knurled screw Unscrew clamped connections PLC POWER I O Board Assembly only with um Q W S Y versions Do not unclamp individual wires paas A mmm
39. DATA OUTPUT COMPENSATION VALUE LIST MANUAL OPERATION 12 1 7 Output of the correction list to the FE Dialog display Press key MANUAL OPERATION VACANT BLOCKS CODE NUMBER 1 0 5 2 9 6 le COMPENSATION VALUE LIST DEFECTIVE AXIS EXTERNAL DATA INPUT Eal PROGRAM NUMBER Enter the requested program number under which the compensation value list is to be output and acknow ledge with the key EN EXTERNAL DATA OUTPUT COMPENSATION VALUE LIST te MANUAL OPERATION HEIDENHAIN SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH Page 59 D 8225 Traunreut Tel 08669 31 0 Kundendienst 42 2 External Data Input Connect external data storage unit ME FE or EXT to the TNC Prepare external data storage t for the data transmission with the ME by pressing the acd the 8 keys with the FE by pressing the El Adjust operating mode of the interface FE or EXT at the TNC see section 11 1 1 Also select baud rate with the operating mode EXT see section 11 2 12 2 1 Machine parameter input from the ME with erased memory Dialog display Press key OPERATING PARAMETERS ERASED PLC PROGRAM MEMORY ERASED MACHINE PARAMETER PROGRAMMING MACHINE PARAMETER MP 0 EXTERNAL DATA INPUT 12 2 2 Machine parameter input from the FE with erased memory Dialog display Press key OPERATING PARAMETERS ERASED PLC PROGRAM MEMORY ERASED
40. E MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH sioa D 8225 Traunreut 08669 31 0 ag Kundendienst Function Input range 3rd group software limit switch X linear axis ranges selectable via 30000 000 30000 000 mn M2816 M2817 markers rotational axis 30000 000 30000 000 375 Non volatile storage of Q parameters no non volatile storage of Q parameters 8 parameters 92 number of the first Q parameter out of eight non volatile storage Multipie definition of tools no multipie definition per tools in the centrol tool memory various definitions per tool various definitions per tool various definitions per tool various definitions per tool various definitions per tool Size of NC buffer memroy with reload continuous blocks Blockwise transfer with simultaneous processing 3000 minimum number of NC blocks the block memory After remai ning below this limit data are reloaded via the interface Overlap voltage for positive 9 999 9 999 V analog voltage of the spindle only active if analog voltage gt 0 Overlap voltage for negative 9 999 9 999 V analog voltage for the spindie only active if analog voltage lt 0
41. EIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 34 di D 8225 Traunreut Tel 08669 31 0 Kundendienst 5 5 Buffer Batteries Change Buffer Battery The buffer battery is the voltage source for the program memory with switched off machine If the message EXCHANGE BUFFER BATTERY appears the batteries have to be exchanged within one week The buffer batteries are located behind a PG screwed connection in the POWER SUPPLY Board Assembly of the LE 351 355 Apart from the batteries additional rechar geable NiCd batteries on the PROCESSOR Board were used to backup the program memory of TNC 351 and TNC355 tion PHILIPS Type LR 6 1 5 The mains voltage be switched off to exchange the batteries The rechargeable bat teries store the contents without batteries for approx 2 weeks The rechargeable NiCd batteries are only charged if the TNC is switched on PROCESSOR Board rechargeable NiCd batteries HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH SERVICE MANUAL TNC 351 355 D 8225 Traunreut Tel 086 69 31 0 Page 35 M Kundendienst e TE 3517355 KEYBOARD UNIT 6 2 Overview TE 351 Id no 243 995 02 1 4 TE 355 Id no 241 964 01 1 TE 355 237 661 01 254 355 z 02 5 TE 355 A 02 355 E 03 TE 355 Id no 255 016 01 3 4 TE 355 Id no 255 015 01 2 3 4 TE 355 D 2 02 3 5 355 M 02 3 4 355
42. ENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 4 PROCESSOR Board 4 4 1 Interface 57 PLC inputs 32 PLC outputs Keyboard Unit Machine Operating Panel V 24 interface 4 4 2 Supervision Program memory Data Processing PLC progran Acknowledgement Emergency stop 4 4 3 Storage NC Programs PLC Program Machine parameters List of compensation values Operating program 4 5 CLP PROCESSOR Board 4 5 1 Interface Encoder inputs Reference pulse inhibit Electronic Handwheel 3D Touch Probe Analog outputs Display 4 5 2 Supervision Measuring systems Temperature Buffer battery Data processing Program memory positions closed loop 4 5 3 Storage Operating program SERVICE MANUAL TNC 351 355 Page 22 8 EEEL P e ih ia ccr Es qe M LE qq usc p aue EI ERE pce 1 Notes E SERVICE MANUAL TNC 351 355 age H i H B nreut Tel 08669 31 0 t
43. ENHAIN GmbH Page 100 VENE 05 5225 Traunreut Tel 08669 31 0 Kundendienst Function Parameter 4 5 t 5 Input range 20 Feed speed X 163 t 80 29998 mm min j for parameter no 126 Y 164 to no 156 2 165 IV 166 Actual feed display before the start 167 desse das in the manual operating modes 1 display same feed in all axes that means smallest programmable feed that means from parameters 4 to 7 and 222 Remp gradient foe analog voltage E 168 4 Standstill supervision O00 m rogramming station PLC active rogramming station PLC inactive nalog outputs for plotter operation Programming station t Selection of the Handwheel and the probe systen HR 150 250 1 HR 130 330 N03 positive voltage NO4 negative voltage 1 3 negative voltage 894 positive voltage 2 M93 and 4 positive voltage 2 2 and negative voltage I Status display erasure and 1 status display is not erased Q parameters with M02 M3 and 1 status display is erased program end Position supervision in trailing distance operation Bmergency Stop 174 100 na Erasable 175 Multiplication factor for the Kv factor 176 0 001 1 000 Kv factor for the trailing X 177 108 10 000 j operation Y 178 1 119 IV 186 Characteristic kink 181 1
44. ERMITTED ILLEGAL G CODE PROGRAM START UNDEFINED WRONG SIGN PROGRAMMED MIRROR IMAGE ON TOOL AXIS TOOL NUMBER ALLOCATED TOOL RADIUS TOO LARGE ANGLE REFERENCE MISSING EXCESSIVE SUBPROGRAMMING TOO MANY USER PARAMETER EXCESSIVE SUBCONTOURS TWO TOOL DEF XXX WITH PGM CALL 3D INTERPOLATION NOT PERMITTED BA HM OM SI FE MD x 5 5 j fx EL _ lb x x x Bea x Lx j x j Ex j x I x x x O xz C x 10 2 C _ x 10 2 x Ban x Lx DER x j x C j x p x TENE VERG x Ba SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 7 D 8225 Traunreut Tel 08669 31 0 Kundendienst 2 1 Possible Causes for Error Messages OPERATING PARAMETERS ERASED The machine parameters are principally erased with new units and exchange units Software exchange with different software updates Buffer batteries and rechargeable NiCd batteries defective RAM error on PROCESSOR Board LIMIT SWITCH X e g Manual operating mode When traversing with directional keys the adjusted software limit switch or the additional limitation in the auxiliary operating modes was reached Automatic operating mode The positioning path calcula
45. HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut 08669 31 0 Kundendienst SERVICE MANUAL TNC 351 7355 Subject to Change Further Developments DR JOHANNES HEIDENHAIN is constantly working on technically improving its units It is therefore possible that details of your Control may differ slightly from those described herein If that ig the cage please order a suitably revised issue of the Service Manual Copying Duplication This manual is provided subject to the condition that no part of it Shall be reproduced any form or by any meang without our prior consent in writing Issue 06 92 BS HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 1 D 8225 Traunreut Tel 08669 31 0 Kundendienst Contents Page 1 How to use the Service Manual 3 2 Error Messages 4 2 1 Possible Causes for Error Messages 7 3 Fault Messages and their Causes 8 4 LOGIC Unit LE 351 355 13 4 1 Designation of the LOGIC Unit 13 4 2 Hardware Components of the LOGIC Unit 14 4 3 Connector Layout LE 351 355 15 4 4 PROCESSOR Board 22 4 5 CLP PROCESSOR Board 23 4 6 Grounding Diagram 24 5 External Supply 25 5 1 Requirements of the External Supply 25 5 2 Supply for the NC Part 26 5 3 Testing the POWER SUPPLY Board Assembly 29 5 4 24V DC Supply for the PLC Part 32 5 5 Buffer Battery 34 6 KEYBOARD Unit TE 351 355 35 6 1 Overview 35 6 2 Circuit Diagram of the KEYBOARD Unit 36 6 3 Test
46. M m a m a m 30000 000 30000 0006 nn UTE REEL PLC Ji positioning values for 126 4 ef et 4 PLC Positioning 127 128 129 1 11 132 133 1M 135 136 131 138 179 149 141 142 143 144 145 146 147 148 143 156 151 152 183 154 155 156 e X X o o Ue ae o lt ctivation of the next tool number programaable with TOOL CALL or with the following allocation number programmable with TOOL DEF no output of next tool number output of next tool number oniy if tool number is changed TOOL CALL 2 output of next tool number with each tool call TOOL CALL 3 output of next tool allocation number programmable with TOOL DEF if MP 225 gt 1 Setting of a binary number with 16 mar 65535 kers marker 2192 to 2207 n A Automatic lubrification after X 153 160 65535 in units of 65536 yn programmed traverse path 1 160 in i 161 4 l 4j 4 IN 162 a a a tet we nl te N HEIDEN HAIN SERVICE MANUAL TNC 351 355 EE DR JOHANNES HEID
47. ON MANUAL OPERATION 1 With input of 1st and 2nd kByte 2 With input of 3rd kByte HEIDENHAIN SERVICE MANUAL TNC 351 355 Sw DR JOHANNES HEIDENHAIN GmbH Page 62 SENE 0 5225 Traunreut Tel 08669 31 0 Kundendienst 12 2 7 Input of NC Programs from the ME or FE Dialog display Press key MANUAL OPERATION PROGRAMMING AND EDITING E PROGRAMMING AND EDITING SELECTION ENT END NOENT READ IN SELECTED PROGRAM READ IN PROGRAM OFFERED 7 READ IN ALL PROGRAMS EXTERNAL DATA INPUT PROGRAMMING AND EDITING EHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 62 1 D 8225 Traunreut Tel 08669 31 0 Kundendienst 12 2 8 Input of compensation value list from the ME Dialog display Press key 1 0 5 2 9 e MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER COMPENSATION VALUE LIST DEFECTIVE AXIS EXTERNAL DATA INPUT EXTERNAL DATA INPUT COMPENSATION VALUE LIST MANUAL OPERATION 12 2 9 Input of the compensation value list from the FE Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER 1 0 5 2 9 6 COMPENSATION VALUE LIST D DEFECTIVE AXIS EXTERNAL DATA INPUT PROGRAM NUMBER enter the program number under which the compensation value list is stored and ack nowledge with the EXTERNAL DATA INPUT COMPENSATION VALUE LIST MANUAL OPERATION
48. PLAY Unit remains dark check the mains fuse mains fuse integrated with voltage selector at rear of DISPLAY Unit and replace if necessary If the fuse is in order you can check with the TNC 355 whether the fault is on the DISPLAY Unit or on the LE by disconnecting the plug and socket connection With disconnected plug and switched on display a bright rectangular field has to be displayed bright field If the screen displays this field the CLP PROCESSOR Board in the LOGIC Unit might be defective If however the display remains dark with plug disconnected the display is defective and has to be exchanged BE 212 This test cannot be carried out with the TNC 351 since the DISPLAY Unit of this control does not have its own mains supply The voltage is supplied by the LOGIC Unit and can be checked with a voltmeter at connector X9 pin 1 8 and 11 V pin 2 and 4 127 The control signals for the TNC 351 and the TNC 355 Display Unit can only be checked with an oscilloscope and must correspond to the following diagrams With diagrams for VIDEO and BRIGHT DARK deviations may occur in the time base in the figures shown As to connector layout see section 4 3 4 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 43 M D 9225 Traunreut Tel 08669 31 0 Kundendienst 7 3 1 Timing Diagrams LE 351 with BE 212 X 9 Connector Timing Diagrams V SYNC pin 9 25 H SYNC 10 2V DI
49. PROCESSOR Board Both boards are checked one after another when switching the machine on If the 24 are missing at the input Acknowledgement control Ready during the switch on test routine the error message CONTROL VOLTAGE FOR RELAY MIS SING appears If however the acknowledgement is switched off too late or not at all after switching the output off the flashing error message EMER GENCY STOP DEFECTIVE appears Also if the supply is missing for the PLC part a flashing error message EMERGENCY STOP DEFECTIVE appears Supply for the PLC Part see section 5 4 If an error is determined by the control during the switch on test routine it can be determined by inserting a bridge between the output Control ready and the input Acknowledgement control ready separate connected wires whether the defect is due to the control or to the interface If after inserting the bridge and correct power supply for the PLC part the error is still present the defect is due to the LOGIC Unit If however after inserting the bridge the error no longer appears the defect can be found at the interface ATTENTION After the check it is absolutely necessary to remove the bridge and to regenerate the operating state EHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 71 D 8225 Traunreut Tel 08669 31 0 Kundendienst 14 3 1 Switch on Test Routine Timing Diagram PLC assigned CLP PROCESSOR PROCESSOR C
50. R 106 11 6 ERR 107 11 6 ERR 108 11 6 EXT IN OUTPUT NOT READY 11 6 EMERGENCY STOP 14 3 WRONG AXIS PROGRAMMED WRONG OPERATING MODE WRONG RPM WRONG POCKET NR CHAMFER NOT PERMITTED WRONG PROGRAM DATA PROTECTED PGM G CODE GROUP ALREADY ASSIGNED NO EDITING OF RUNNING PROGRAM CONTOUR PROGRAMMING ERROR CONTOUR CANNOT BE PROCESSED CONTOUR TOO COMPLEX CIRCLE END POS INCORRECT CIRCLE CENTRE UNDEFINED SHORT CURRENT INTERRUPTION LABEL NUMBER ALLOCATED LABEL NUMBER NOT ALLOCATED MACHINE PARAMETER INCOMPLETE N CODE MISSING ILLEGAL NC BLOCK SLOT WIDTH TOO LARGE PGM SECTION CANNOT BE SHOWN PGM XXXXXXXX MISSING POCKET 0 UNDEFINED PLC ERROR 0 PLC ERROR 99 POSITIONING ERROR PROGRAM NUMBER ALLOCATED PROGRAM NUMBER UNAVAILABLE PROGRAM MEMORY EXCEEDED I e e P P gt t nj HEIDENHAIN are DR JOHANNES HEIDENHAIN GmbH NE D 38225 Traunreut Tel 08669 31 0 Kundendienst 00 2 EXCHANGE BUFFER BATTERY RADIUS COMP UNDEFINED ROUNDING OFF UNDEFINED ROUNDING OFF NOT PERMITTED ROUNDING RADIUS TOO LARGE BLOCK FORMAT INCORRECT BLOCK NUMBER ALREADY ALLOCATED BLOCK TOO LONG SPINDLE ROTATES MISSING JUMP TO LABEL 0 NOT PERMITTED RELAY TOT DC VOLTAGE MISSING POWER INTERRUPTED SEARCH ADDRESS MISSING KEY NON FUNCTIONAL EXCHANGE TOUCH PROBE BATTERY STYLUS ALREADY IN CONTACT PROBE SYSTEM NOT READY TOOL CALL MISSING TOOL DEF MISSING TOOL DEF 0 NOT P
51. R Board a Switch off mains switch of the machine b Unscrew and disconnect all plugged connections and the terminal connection at the PROCESSOR Board X21 X22 X23 X24 X26 and X27 to connector layout see section 4 3 C Loosen the 4 turn lock fasteners and remove cover of LOGIC Unit ts Juge cS el M HIR D zr 7am a0 rt M EB eoo 7 A MESS 3 unc xmi k o d Disconnect internal plug connection Press snap lock connector inwards and pull off flat cable FJ zu YET Zu 3 4 Z E empleo EC O We CIECIE SPSS On A Et a m 1 sasa Pull off flat cable connector by pulling strap e bs IHEIDENHAIN DR JOHANNES HEIDENHAIN GmbH 0 5225 Traunreut Tel 08669 31 0 SERVICE MANUAL TNC 351 355 Page 83 Kundendienst e Unscrew fastening screws Loosen knurled screws f CREW EJ a C ETE 7 LGHE Te Sec ooh Loosen faste ning screws Take out PROCESSOR Board from the frame exchange EPROMs if necessary see section 1 3 insert new board 16 3 3 Insertion of P
52. ROCESSOR Board The procedure for inserting the replacement PROCESSOR Board is opposite to that of removal a b f g Push in and secure PROCESSOR Board Reconnect plug and terminal connections Please pay attention that no connections are interchanged Refit LOGIC Unit cover Switch on mains switch Read machine parameters in again machine parameters PLC program and conpensation value list which were saved before the exchange Enter preset values and supplementary operating modes from the previous table before approaching the reference marks Read in user program Exchange completed ATTENTION Send or store the boards only in the original package which protects the boards against electrostatic discharge Never use ordinary plastic bags for packaging EHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 84 MES D 38225 Traunreut Tel 08669 31 0 Kundendienst 16 4 Exchange Procedure for the CLP Processor Board 16 4 1 MOS protection set Software Backup and Cable Labelling see section 1 2 to 1 6 16 4 2 Removal of CLP PROCESSOR Board a Switch off mains switch of the machine b Unscrew and disconnect plug connections at the CLP PROCESSOR Board X1 X13 connector layout refer to section 4 3 c Open LOGIC Unit 4 d Disconnect internal plug connections Pull off flat cable connector by polling es 2940 if n
53. SSOR Board CLP PROCESSOR Board PROCESSOR Board at Machine Parameter Enable selection of a function via machine parameters which are not integrated in the software If the error message FAULTY DATA PROCESSING identification letter see above occurs repeatedly return the compl LOGIC UNIT to HEIDENHAIN for repair Indicate also the error message and the identification letter SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH Page 9 D 8225 Traunreut Tel 08669 31 0 Kundendienst Flashing display Fault cause ERROR IN PLC PROGRAM Fault with non erasable marker see also PLC Description Start Key or incremental positioning X E B Rapid Traverse Key or incremental positioning X x M C Direction Latch Key or incremental positioning d Feed Release or incremental positioning Y E Start PLC Positioning X axis or incremental positioning Z Start PLC Positioning Y axis or incremental positioning Z i Start PLC Positioning Z axis or incremental positioning IV d ji H Start PLC Positioning IV axis or incremental positioning IV Directional key or incremental positioning V Directional key X or incremental positioning V K Directional key or start PLC positioning axis V n L Directional key Y Directional key 7 or dir
54. V 264 V Frequency range Power consumption Mains fuse M2A 48 62Hz approx 40 W 125 Mains fuse Mains voltage selector from LE 355 X9 Power supply Mains voltage Function test E IHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 26 D 8225 Traunreut Tel 08669 31 0 Kundendienst 5 2 Supply for the NC Part The supply for the NC part is connected to the X31 terminals The various voltages for the LE are converted in the POWER SUPPLY Board Assembly from the 24 supplied see Block Diagrams page 27 and 28 The on off condition of the output voltages are displayed by LEDs The level of the individual voltages can only coarsely be displayed by LEDs To make a precise statement about the single voltages they must be mea sured for accuracy and correspond to the following table V Umin V Umax A 12 V 15V 15 V 24 V 12 V 1 1 The red LED for the RESET signal illuminates briefly when switching the control on off only applies for TNC 355 the TNC 351 does not have a RESET LED RESET TNC 351 0 4 Un min 3 9 V ti 100 3005 RESET TNC 355 Ur max 0 4 V Uu 3 0 V tL 100 300ms 1 12 V for BE 212 and 5 potential free only with the power supply id no 236 484 04 for TNC 351 HEIDENHAIN SERVICE MANUAL TNC 351 355
55. V 7 2V DIV 5ms DIV 20us DIV BRIGHT DARK pin 12 VIDEO pin 13 I 2V DIV 2V DIV IEEE EAE Hn E i Bem 5ms DIV 5ms DIV 7 3 2 Timing diagrams LE 355 with BE 412 V SYNC pin 9 H SYNC 10 2V DIV 2v DIV 5ms DIV 10us DIV BRIGHT DARK pin 12 VIDEO pin 13 2V DIV 2V DIV Hi 5ms DIV 5ms DIV SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 44 D 8225 Traunreut Tel 08669 31 0 Kundendienst Measurin y e m 8 1 Error Messages TRANSDUCER X DEFECT Aj signal amplitude fault TRANSDUCER X DEFECT signal frequency fault 4 2 Possible Fault Cause Glass scale dirty or damaged Scanning head damaged or defective Cable damaged Encoder input in the LOGIC Unit LE defective 8 3 Testing the Measuring Systems Encoders can be interchanged with each other at the LOGIC Unit 1 5 refer to section 4 3 1 LOGIC Unit Connections which allows you to deter mine whether the encoders or the encoder inputs of the LOGIC Unit is de fective In conjunction with the above procedure the respective machine parameters have to be changed when interchanging encoders at the LOGIC Unit LE Function Input value allocation to X 0 standard allocation the encoder inputs Y 1 5 encoder input X1 Z 2 5 encoder input X2 IV 3 encoder input X3 V 4 encoder inp
56. ale insert 0V shield Standby signal Start 15V 15V Up Battery warning OV UN Trigger signal Trigger si Do not assign 11 to 15 X13 encoder 2 3 4 with square wave signal input Flanged socket with 25 pin female insert Connection no I L E tke EE ERES Do not assign Outer shield HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 17 D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 3 6 Connector layout of PROCESSOR BOARD X21 PLC output X22 PLC input Flange socket female 37 pole Flange socket female 37 pole Contact No Allocation Contact No Allocation 1 1 EO 2 Al 2 E 3 A2 9 3 E2 4 9 4 Feedback signal for test 5 A4 9 Control operational 6 7 5 4 7 9 Eb 8 A 6 9 8 u 10 A9 s ES 11 10 10 12 Ali 1 E10 13 A12 12 en 14 13 E12 15 14 HT E13 16 15 E14 17 A16 16 18 17 17 16 19 A18 18 E 20 19 19 EIE 2i A20 20 22 21 2 23 A22 22 PA 24 A23 E22 25 A24 72 24 E23 26 A25 27 A26 2 2 28 A27 2 24 FOU 29 A28 2 30 A29 2 Es 31 A30 2 2 32 33 do not assign 21 0 34 Control operational 53 0 Bn 35 36 37 24 V via external EMERGENCY STOP d disconnectible PLC 35 36 37 O V PLC Housing External screen Housing External screen If required the supply voltage for the disconnectible outputs can be assigned requ
57. alog output Speed range Gear stages w NF o Speed range of gear stages 0 99999 999 rpm or limit speed with supervision S analog voltage with 09 9 999 V S override to 1008 S analog voltage with 0 9 999 V S override and max output voltage Limitation of S override 0 150 Constant contouring speed at corners 0 179 999 Axis designation for the IVth axis Parameters with multiple function 92 bit Decimal characters 0 1 0 decimal comma 1 decimal point Dialog 1 0 first dialog 2 second dialog English ca HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 SERVICE MANUAL TNC 351 355 Page 97 Kundendienst Peat Pee ey Se AES QNI RENE DNI eee ee eee Function j Parameter q 5 7 Memory test during switch on 2 i yi4 pa 222 227 RAN 4 memory test Checksum test during switch on E ue E i l4 nmm i E checksum test nea Zub 7 3 ried out RAN EPROM 8 no checksum test Change from program run block sequence 4 J 3 ES i 1 the precalculated contour is p TE to prograa run singie block when pro finished up to 14 blocks cessing continuous contours 16 Interruption in current block Counting mode if the Ith axis works 3 e
58. aving distance coded reference marks counting error caused by measuring system or LOGIC Unit TNC OPERATING TEMP EXCEEDED Temperature in the inner side of the LOGIC Unit greater than 65 C EMERGENCY STOP DEFECTIVE Fault with the supervision routine for the output Control Ready when switching on machine see section 14 3 EMERGENCY STOP PLC The error message only appears if marker 2815 is set without additional markers M2924 M3023 PLC ERROR 00 1 Marker 2924 to to and marker 2815 was set PLC ERROR 99 1 Marker 3023 Instead of PLC ERROR 00 99 also another dialog may appear with a customized PLC program Detailled information can be obtained from the machine manufacturer SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 12 D 8225 Traunreut Tel 08669 31 0 Kundendienst Possible Flashing display Fault cause fault location X X 0 0 CRC checksum L location of fault correct checksum CRC checksum error with EPROM 3 PROCESSOR Board 7 XX10 XX20 n XX30 XX31 XX40 XX42 n XX41 n XX43 i XXE9 Cyclic Redundancy Check cyclic block check when data is transmitted If the error message CHECKSUM ERROR XXXX occurs repeatedly return the compl LOGIC UNIT for repair and indicate the checksum error N HEIDENHAIN SERVICE MANUAL TNC 351 355 ZEN DR JOHANNES HEIDENHAIN GmbH Page 13 m D
59. c Units from 9 89 HEIDENHAIN SERVICE MANUAL TNC 351 355 i DR JOHANNES HEIDENHAIN GmbH Page 15 1 I D 38225 Traunreut Tel 08669 31 0 Kundendienst 4 3 2 Connector layout of LE 355 C G S Y LOGIC UNITS Power Closed Processor supply loop board board Closed loop X1 Encoder 1 X2 Encoder 2 Encoder 3 Standard allocation switchover via machine X4 Encoder 4 parameters 253 257 Encoder 5 Encoder S Electronic handwheel HR 150 HR 250 X8 Nominal value output for X Y Z IV V S Red Visual display unit BE 4128 Blue X10 Reference pulse inhibitor Yellow X11 Handwheel with axis selection keys 1 Red X12 Touch probe system TS 120 TS 111 511 Yellow B Operational ground Processor X21 PLC output X22 PLC input X23 Keyboard unit TE 355 X24 Power supply 24 V for PLC X26 Data interface RS 232 C V 24 X27 Machine operating panel Power supply X31 Power supply 24 V for LE 1 only with Logic Units from 9 89 ax HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 15 2 dil D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 3 3 Connector layout of LE 355 R LOGIC UNITS Power Closed Processor supply loop board board Closed loop X1 Encoder 1 X13 Encoder 2 3 4 Standard allocation switchover v a machine X5 Encoder 5 parameters 253 257 X6 Encoder S X7 Electronic ha
60. cable adapter id no 255 484 01 HEIDENHAIN SERVICE MANUAL 351 355 DR JOHANNES HEIDENHAIN GmbH 0 8225 Traunreut Tel 086 69 31 0 Page 76 Kundendienst l6 EXCHANGE INFORMATION 26 1 General 16 1 1 Auxiliaries required 1 external data storage unit e g ME 101 102 or FE 401 with connecting cable 1 tool set screwdriver socket wrench etc 1 MOS protection mat only required when exchanging a board or the BPROMS 16 1 2 MOS Protection When exchanging the PROCESSOR or the CLP PROCESSOR Boards and or the EPROM8 it is absolutely necessary that a MOS protection mat is used since the MOS compo nents on the board or the EPROMs may be damaged by electrostatic discharge Attention Any contact with the boards or the EPROMs with an electrostati cally charged object packing storage place of deposit or careless handling must be avoided MOS Protection Mat Potential compensating 1 b line with protection resistor dum Connection to ground e g GROUND CONDUC TOR socket may be MOS omitted when lying protection mat a MOS protection mat on the machine table wristlet 16 1 3 Compatibility of Software Exchange units compl Logic Units are equipped on principie with the latest software Exchange boards are delivered without software and without software release modul Therefore EPROMs and software release modul have to be removed from the defective board and inserted to t
61. ce Program cannot be stored since a transmission is active via PRT interface External unit not ready or not connected Diskette is missing or electronic error Directory cannot be output since a transmission is active via a PRT interface coupling of the interfaces is not possible since transmission is active via the TNC interface coupling of the interfaces is not possible since a transmission is active via the PRT interface External unit not ready or not connected 6 eje oelo o joejoejoejoe joxw oejoeloejoej o joejoej oejoe joejo oe o joejeojleojeo oleo oe eo oejo eojoej eoj oej o oo oo By pressing the Eve key the error messages can be erased 2 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 56 D 86225 Iraunreut Tel 08869 31 0 Kundendienst 12 External Data T O 12 1 External Data Output Connect external data storage unit ME FE or EXT to the TNC Prepare external data storage unj the LB KO with the ME by pressing the twc and the keys with the FE by pressing the Select operating mode of the interface ME FE or EXT at the TNC see section 11 1 1 Also select baud rate with the operating mode EXT
62. ctronics TS 120 Id no 243 614 a A HEIDEN HAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 48 Maes D 8225 Traunreut Tel 08669 31 0 Kundendienst 70 2 Error Messages 1 TOUCH POINT INACCESSIBLE After starting a probe the probing point was not reached within the measuring path determined in machine parameter 216 EXCHANGE TOUCH PROBE BATTERY bo The battery voltage of the touch probe with infrared transmission remains below admissible level STYLUS ALREADY IN CONTACT When starting a probe function the stylus is already deflected PROBE SYSTEM NOT READY 4 The infrared transmission path between the Touch Probe and the Trans mit Receive Unit is obstructed e g coolant film on probe windows or is interrupted completely The touch probe side with two windows has to be adjusted in the direction of transmit receive unit IHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 49 D 8225 Traunreut Tel 08669 31 0 Kundendienst 311 RS 232 C f V 24 Interface 11 7 Operating Modes NE FE EXT The TNC 355 can be switched to 3 operating modes for data transmission as follows ME To connect the ME 101 ME 102 HEIDENHAIN Magnetic Tape Unit or other peripheral units The data format 7 data bits 1 stop bit parity even parity and the baud rate 2400 are adapted to the ME FE To connect the
63. e crossed At connector X26 of the LE 351 355 the layout is carried out according to a DTU Data Transmission Unit Owing to the crossed data and control lines of the cable between LE 351 355 and RS 232 C V 24 adapter the layout of the RS 232 C V 24 adapter corresponds to the DTE Data Terminal Equipment Thus the external units can be connected to the standard data transmis Sion cable id no 242 869 01 of HEIDENHAIN E HEIDENHAIN SERVICE MANUAL TNC 351 355 exe DR JOHANNES HEIDENHAIN GmbH Page 51 D 8225 Traunreut Tel 08669 31 0 Kundendienst 11 4 Machine Parameters for the RS 2J32 C V 24 Interface precise description of the single machine parameters can be taken from the TNC Handbook for Machine Manufacturers resp from the information regarding the RS 232 C V 24 data interface 11 4 1 Machine Parameters for Standard interface Function sign for prgr end ETX 92 decimal point 222 7 data bits transmission stop by DC3 parity bit even parity 1 stop bit 223 Standard interface 11 4 2 Machine Parameters for Blockwise transfer MP Input values Function 71 sign for prgr end ETX sign for prgr beginning STX 218 H and E 219 H and 220 and SOH 221 ACK and NAK 222 7 data bits transmission stop by DC3 parity bit even parity 1 stop bit 223 Blockwise transfer 224 EOT HP Thinkjet When printing graphics the control automatically switches the operat
64. ectional key V E E N Directional key Z or directional key V 0 Directional key IV or supplementary axis to be changed to M2590 and M2591 P Directional Key IV or Start PLC Positioning 5 T Q Non defined macro called up via PLC markers Possible location of fault PLC Program PROCESSOR Board PL 300 PLC POWER I O Board Assembly external keys switch or wiring EBHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 10 D 8225 Traunreut Tel 08669 31 0 Kundendienst Flashing display Fault cause GROSS POSITIONING ERROR Position trailing error supervision Speed precontrol operation Exceeding position supervision determined by machine parameter 57 Trailing error operation Exceeding trailing error supervision determined by machine parameter 174 GROSS POSITIONING ERROR B Supervision of analog voltage limit The nominal value of the voltage calcu lated by the control reached the 10 volt limit only with speed precontrol GROSS POSITIONING ERROR C Movement supervision The voltage difference calculated by the control reached the limit programmed in machine parameter 234 GROSS POSITIONING ERROR D Standstill supervision The position deviation from the nominal position of an axis at standstill is greater than programmed in machine para meter 169 When positioning beyond the target point programmed the value of the nominal
65. er to unlock connector doesn t exist with g newer versions c The insulated wires of the connection cables to processor and PLC board are Soldered in directly Measure voltages according to descrip tion 5 3 2 OV RESET S 12Vnc Test 0V 45V 00 voltmeter FHEIDENHAIN SERVICE MANUAL TNC 351 355 VENE DR JOHANNES HEIDENHAIN GmbH Page 31 D 98225 Traunreut Tel 08669 31 9 Kundendienst 5 3 2 Test Points on the Boards CLP PROCESSOR Board ads NM UMEN M wasaqa peche em ut Bi ino T din dp 2 T IB UI Re t les ET 4 E 7471 Ex X 9 n uksa ss OO E ERA REPRESS ARIK ct ttr paspa ong NER ipo REECE LRP OAD ROD IE sitit vitu Messico o tom sei edt Mac aba ves tS diit dcc T PROCESSOR Board 4 5V 12V 12V OV 018 160 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 32 D 8225 Traunreut Tel 08669 31 0 Kundendienst 5 4 Supply for the PLC Part The terminal supply of the internal PLC part is normally connected to the X 24 terminal 1 424V disconnectable 2 24V not disconnectable 3 07 The volt line a
66. er which the machine parameters are stored and transfer with the kev EXTERNAL DATA INPUT After reading in the machine parameters MANUAL OPERATION usually appears in the dialog display if however the error message MACHINE PARAMETERS INCOMPLETE appears fewer machine parameters are stored on the external data storage unit than required by the TNC In this case the remaining machine parameters have to be entered manually These machine parameters can be interrogated by the machine manufacturer BE HEIDENHAIN SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH Page 61 D 8225 Traunreut Tel 08669 31 0 Kundendienst 12 2 5 Input of the PLC Program from the ME Dialog display Press key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER 9 5 1 o 2 6 TABELLE E A Z T M PC EDITIER FUNKTION 9 E 2 0 ep EXTERN EIN AUS ENT NO ENT EINGABE AB PGM ZEILE 0 0 Eg EXTERNAL DATA INPUT PC EDITIER FUNKTION MANUAL OPERATION 12 2 6 Input of the PLC Program from the FE Dialog display Press key 8 5 1 o 2 s B 6 HOH amp g a E22 9 J 8 Input program number under which the PLC program is stored and transfer with the key MANUAL OPERATION VACANT BLOCKS XXXX CODE NUMBER TABELLE E A Z T M PC EDITIER FUNKTION EXTERN EIN AUS ENT NO ENT EINGABE AB PGM ZEILE 0 PROGRAM NUMBER EXTERNAL DATA INPUT PC EDITIER FUNKTI
67. gt u ee Qutput of spindle speed 62 no output of spindle speeds Temas FHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 94 D 8225 Traunreut Tel 08669 31 0 Kundendienst Function Parameter 4 55 Input range 10 Coded output of spindle speed 1 code output only if the speed changes 2 code output with each tool call Analog output of spindle speed 62 3 gear switching signal only if the speed changes 4 gear switching signal with every tool call 5 without gear switching signal Rpm code limitation 63 1991 no limitation T E P U U U U u Transient behaviour during acceleration 64 Display step 65 1 1 5 po without function for the time being 66 18 enter Dwell time of rotating direction reverse 67 65 535 s Working spindle for cycle Tapping femen ea n on eon r C p ce E Memory function for directional keys 68 off 1 on es ere eee AUN 2 eS 222 CERES Reference mark approach 63 after approaching the reference marks the axes automatically approach the software limit switches 1 after approaching the reference marks the axes automatically return to the reference marks 2 special procedure for the approach of the reference marks
68. he exchange board see section 16 7 Please always send exchange boards back for repair without EPROMs and without software release modul When exchanging the boards it is convenient to exchange both boards PROCESSOR and CLP PROCESSOR Thus an EPROM exchange is avoided and it is guaranteed that the software of your control is updated SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 77 D 8225 Traunreut Tel 08669 31 0 Kundendienst 16 1 4 Backup of Machine Parameters and User Programs Before exchanging the complete LOGIC Unit or the PROCESSOR Board the machine parameters the user programs and perhaps also the PLC program and the Compensation value list have to be saved on an external data carrier If machine parameter 77 is unequal 1 PLC program parts are processed from the RAM and must be saved as well The following table shows which program parts are processed from RAM in dependence of machine parameter 77 Machine parameter Input value PLC program from RAM ist and 2nd kByte ist 2nd and 3rd kByte 3rd kByte If the non linear axis error compensation for one or for several axes is activated the compensation value list must also be saved The following table shows the activation of the non linear axis error com pensation in dependence of machine parameter 20 to 23 and 330 Machine parameter Input value non linear axis error compensation active in
69. he machine parameter is active with all software versions 04 the machine parameter is active from a certain software version e g 04 means from software version 04 0 the machine parameter of this software has no function and must be pro grammed with 0 the machine parameter is not present in this software Function Parameter Input range no Rapid course X 84 29998 mm min Y 1 angular axis 2 2 88 29998 nin IV 2 Manual feed X 4 Y 5 1 6 IY 1 Speed when approaching M 8 the reference marks Y 3 1 10 IV 11 Signal evaluation input 12 1 4 fold X2 13 traverse speed 39 m min 12 14 2 2 fold X4 15 max traverse speed 15 m nin Traverse direction when X 16 plus direction approaching the reference Y 11 1 minus direction marks 2 18 if parameters no 20 to 27 are programmed Iv 19 correctly E HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 92 EE 12 8225 Traunreut Tel 08669 31 0 Kundendienst Function Input range Machine parameter with X multiple function Y 1 Iv 4 4 positive counting direction 1 negative counting direction eference pulse inhibit inactive eference pulse inhibit active 4 inactive 4 compensation active o w rog Release for non linear axis error compensation Output of the smallest possible vol
70. ible values 110 150 300 600 1200 4800 9600 Baud and enter with the 6 key Acknowledge the auxiliary operating mode with the Pe key subsequently with special HEIDENHAIN software HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH 0 5225 Taunreut Tel 08669 31 0 Page 50 Kundendienst 11 3 Connection Cable and Adapter for R3S 232 C V 24 Interface Wiring diagram of the RS 232 C V 24 Interface LE 355 Cable RS 232 C V 24 LE RS 232 C V 24 adapter block Data transmission cable FE 401 ld Nr 239760 ld Nr 23975801 Id Nc 24286901 ME 101 CHASSIS GND 1 1 GND 1 GND RD 2 2 TO 2l TXD 3 3 RXD RXD CTS RTS 4 RTS RTS s 5 CTS 5 CTS DTR 6 6 DSR 6 DSR SIGNAL GND 7 7 GND 7 GND 8 8 8 DSR 120 2 20 DTR Length max 17 m 55 ft Length 3 m 10 ft For RS 232 C V 24 data transmission with EC simple wiring layout of the d 285 s e data transmission cable is sufficient periphery CHASSIS GND 1 1 GND TxD 2 2 2 Signal designations RXD 3 3 3 RXD ae RTS L D L RTS TXD Transmit data CIS 5 5 s CTS RXD Receive data DSR 6 6 DSR RTS Request to send SIGNAL GND 7 7 7 i GND CTS Clear to send 8 8 8 DSR Data set ready DTR 20 20 N o DTR DTR Terminal ready The data lines and control lines of the cable between LE 351 355 and the R 232 C V 24 adapter block id no 239 760 ar
71. ing mode to EXT and the data format to 8 data bits HEIDENHAIN SERVICE MANUAL TNC 351 355 ni DR JOHANNES HEIDENHAIN GmbH Page 52 EM 0 0225 Traunreut Tel 08669 31 0 NS za Kundendienst 11 5 Connection Cable for Printers Simple wiring proved to be the right one for most printers see page 50 11 6 Error Messages 11 6 1 Displayed Error Messages in the ME Operating Mode WRONG OPERATING MODE No or wrong operating mode on external data storage unit WRONG PROGRAM DATA During data transmission defective program data were found Reading was repeated three times by the magnetic tape and aborted subsequently DATA MEDIUM MISSING No disk inserted in drive DATA MEDIUM EMPTY On the data carrier diskette no programs are stored DATA MEDIUM WRITE PROTECTED Write enable pin of cassette is missing PROGRAM INCOMPLETE Data transmission was aborted before the program was completely transmitted EXT IN OUTPUT NOT READY DSR signal of TNC is missing ME not connected defective transmission cable EHEIDENHAIN SERVICE MANUAL TNC 351 355 F DR JOHANNES HEIDENHAIN GmbH Page 53 D 8225 Traunreut Tel 08669 31 0 Kundendienst 11 6 2 Displayed Error Messages of the TNC in the FE Operating Mode In this operating mode errors are output by the Floppy Disk Unit in the following form ERR SP SP XXX CR XXX error number The following errors can be displayed on the screen
72. ing the KEYBOARD Unit 37 6 4 Key Matrix 38 7 DISPLAY Unit BE 212 412 41 7 1 Display for TNC 351 41 7 2 Display for TNC 355 41 7 3 Testing the Display 42 8 Measuring Systems 44 8 1 Error Messages 44 8 2 Possible Error Cause 44 8 3 Testing the Measuring Systems 44 9 Handwheel 46 9 1 Overview 46 9 2 Testing the Handwheel 46 19 3D Touch Probe 47 10 1 Overview 47 10 2 Error Messages 48 EHEIDENHAIN SERVICE MANUAL TNC 351 355 M DR JOHANNES HEIDENHAIN GmbH Page 2 D 8225 Traunreut Tel 08669 31 0 Kundendienst Contents Page 11 RS 232 C Interface 49 11 1 Operating Modes ME FE EXT 49 11 2 Selecting Baud Rate 49 11 3 Connecting Cable and Adapter for the RS 232 C V 24 50 11 4 Machine Parameters for the RS 232 C V 24 Interface 51 11 5 Connecting Cable for Printer 52 11 6 Error Messages 52 12 External Data I O 56 12 1 External Data Output 56 12 2 External Data Input 59 13 Analog Outputs 63 13 1 Technical Data 63 13 2 Measuring the Analog Output Voltages 63 13 3 Changing Positional Display Mode 65 13 4 Speed Adjustment 65 13 5 Offset Adjustment 66 14 PLC I O 67 14 1 Technical Data 67 14 2 Control of PLC 1 0 68 14 3 Test for PLC Output Control Ready and its Acknowledgement 7 15 Test Units 72 15 1 Test Unit for the POWER SUPPLY Board Assembly 72 15 2 Test Unit for the Analog Outputs 72 15 3 Test Units for the PLC I O 13 15 4 Test Unit for the KEYBOARD Unit 74 15 5 Test Adapters and Extension Cables 75
73. ion which is active as M 90 but not modal H El D E N HAI N SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 108 10 6225 Traunreut Tel 08669 31 0 Kundendienst A lf ek A ep i ee i et sh pry env vn Function no j U 1 28 4 7 2 6 529 8 29998 nn nin angular axis 8 29998 nin 321 29998 me nin angular axis Speed when approaching the 80 29998 nin reference narks 38000 080 30000 008 nz angular axis 30000 0090 20000 008 1 4 foid 2 14 traverse speed limited by the EXE input frequency 328 65535 no distance coded reference marks Reference mark distance for distance coded encoders xis V 1000 linear encoders with 20pm grating pitch or angular encoder with 36 reference marks and 18040 lines Traverse direction when approaching 323 plus direction 1 minus direction if machine parameters 33 and 331 are correctly programmed the referenec marks Machine parameters with multiple 339 function bit Counting direction for the Vth axis positive counting direction 1 negative counting direction Reference pulse inhibit 1 inactive for the Vth axis 25 active Release for non linear axis error inactive compensation for the Vth axis 4 active Output of the smallest possible 3 f 2 44 mV outpu
74. ired the 0 V connectian can be assigned to connector X24 pin 3 to connector X24 pin 1 not disconnectible via external EMERGENCY STOP 0 A23 are disconnectible via external EMERGENCY STOP 0 A7 duplicated on X27 Machine operating panel HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 18 D 8225 Traunreut Tel 08669 31 0 Kundendienst X23 KEYBOARD Unit TE 351 355 X24 PLC Supply Flanged socket connector 37 pin Terminal block Pin no Assignment Terminal no 1 RLO 1 24V disconnectable via RL1 external EMERGENCY STOP 3 RL2 4 RL3 for key matrix 5 RLA 6 RL5 1 The supply can be optionally assigned 7 RL6 to connector X21 pin 35 36 37 8 RL 7 9 8128 2 V can be optionally assigned to 10 E129 connector X22 pin 35 36 37 11 E130 12 E131 13 E132 X26 Data Interface RS 232 C 14 E133 15 E134 Flanged socket connector 25 pin 16 E135 17 E136 Pin no Assignment 18 E137 1 shield 19 E138 2 RxD 20 OUT 3 TxD 21 OUTI CTS 22 OUT2 5 RTS 23 OUT3 for key matrix 6 DTR 24 OUT4 7 GND 25 OUT5 8 to 19 do not assign 26 QUT6 20 DSR 27 QUT7 21 to 25 do not assign 28 139 housing outer shield 29 E140 30 15V supply for keys on Machine Operating Panel 31 E141 32 E142 33 E143 34 Spindle Override wiper 35 Feed Override wiper 36 12V Override Potentiometer 37 Override Potentiometer housing outer shield PLC inputs 128 140 from Machine Operati
75. is reached the control switches off with the error message GROSS POSITIONING ERROR E 13 5 3 Offset Adjustment at the Servo Amplifier Check or adjust the following machine parameters note the original values when changing machine parameters Input value Function 28 29 30 31 Integral factor 32 33 34 35 332 Differential factor 60 Speed precontrol on 65 Display step 1 ym 252 Cycle time for automatic offset adjustment Switch position display to LAG trailing error display Erase offset memory with key number 75368 see section 13 5 1 Select operating mode or or Adjust offset at servo amplifier until the individual axes display zero or oscillate symmetrically around zero Bring machine parameters and position display to original state again I HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 Kundendienst 14 PLC T O 74 71 Technical Data 14 1 1 PLC Inputs of the LE E up to E31 to X22 E128 up to E143 to X23 and X27 E144 up to E152 to X27 9 Ue 20 V up to 3 2 V Ie z 1 5 mA with Ue 3 1 Ue 13 V up to 30 2 V le 3 7 m up to 9 1 m 14 1 2 PLC Outputs of the LE up to 7 to X21 and X27 A8 up to A30 and control ready 1 Ua min Ia Us 3 V 0 1 A Connector layout see section 4 14 1 3 PLC inputs of the PL 306 E64 up to E126 to XA up to X9 Q Ye 20 V up to 4 V Ie 1 6 mA with Ue 1
76. knowledgement of the error 11 0 error message Current interrupted message Current interrupted must be acknowledged 2048 error message Current interrupted is automatically acknowledged after approx 3 seconds mmu mr mme m mom cm mi TRUE Ramp for the spindle speed 12 18 bl spindle ranp is determined when tapping via the tool axis 4096 spindle ramp is determined via MP 168 MP 316 resp MP 217 NP 318 dependent on marker M2816 HEIDENHAIN SERVICE MANUAL TNC 351 355 2 DR JOHANNES HEIDENHAIN GmbH Page 98 D 8225 Traunreut Tel 08669 31 0 Kundendienst M a ey ma a a ms U J A a Function Peraseter t 2 i 55 Input range no M M M M e Editing inhibit for manufacturer cycles cycle is inhibited if the progran number of the manufacturer cycle is already filed in the SPROM 8192 no editing inhibit that means the program number of an existing manufacturer cycle is assigned to new progran RD um 1568 the editing of the manufacturer transfer and simultaneous processing 17 16384 G070 function possible T ESTEE SUAE 1 Actual nominal value display with 15 10 00 1 displa
77. ndwheel HR 150 HR 250 X8 Nominal value output for X Y 2 IV V S Red X9 Visual display unit BE 412B Blue X10 Reference pulse inhibitor Yellow X11 Handwheel with axis selection keys Red X12 Touch probe system TS 120 TS 111 511 Yellow B Operational ground Processor X21 PLC output Red di H X22 PLC input Yellow X23 TNC keyboard unit TE 355 Blue X24 Power supply 24 V for PLC gt X26 Data interface RS 232 C V 24 X27 Machine operating panel Power supply X31 Power supply 24 V for LE I HEIDENHAIN 2 DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 Kundendienst SERVICE MANUAL TNC 351 355 Page 16 4 3 4 Connector layout of the 351 355 B F Q W CLP PROCESSOR Board Hg encoder input 1 2 3 4 Flanged socket with 9 pin female insert MM Flanged socket with 12 female insert Signal designation Connection no not present 5 FE Ge De SE lt lt sensor line Up 12 0v line 1i 0 V Ux 10 Shield housing 9 via spring The sensor line is connected in the unit with the pertinent supply line X6 Electronic Handwheel HR 150 250 Flanged socket with 9 pin female insert 0 V UN Inner shield 0 volt Outer shield connector housing 7 8 do not assign 1 Touch Probe System Flanged socket with 7 pin flanged socket g A i B X8 nominal value outpu
78. ng Panel SERVICE MANUAL TNC 351 355 Page 19 EE HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 Kundendienst X27 Machine Operating Panel x31 Logic Supply LE Flanged socket connector 37 This connection is used when the assigned inputs on the TE 355 are d insufficient Pin Assignaent Pin no Assignment 1 E128 OV uM E 3 E130 ep 4 E131 I E132 oe os ee 7 E134 8 E135 9 E136 10 E137 E138 E139 140 14 E141 15 E142 16 E143 17 144 18 E145 19 E146 20 E147 21 148 ANM 22 El49 23 E150 24 E151 25 E152 26 AQ 27 A1 28 A2 29 A3 30 AA 31 5 32 A6 33 A7 34 0 V PLC 35 O V PLC 36 24 V PLC 37 24 V PLC PLC outputs A to Machine Operating Panel HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 20 wd D 83225 Traunreut Tel 08669 31 0 Kundendienst 4 3 7 Connector Layout of the PLC POWER 1 O Board Assembly PL 300 via external EMERGENCY STOP 24 V disconnectible E126 J niu ox 39 0525 GEF gasas 4 nat assignad ue ru oa GOP NOU 1 0 Ur 19010 ZEE not assigned do not assign do noi assign do not assign not via EMERGENCY STOP disconnactible Output EMERGENCY STOP do not assign
79. nput X6 nalog output of the speed for the 258 99999 999 rpo spindle if marker 2501 is set the rotating dircetion is always positive HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 106 D 8225 Traunreut Tel 08669 31 0 Kundendienst no Change over dialogs for manufacturer 259 cycles difference between dialog numbers of the second English and the first dialog Prescribed step for the IVth axis if 264 the Hirth toothing is activated via NP 92 n M M M M 4 9 999 Input value is treated as 0 001 Displacement for the IVth axis if the Hirth toothing is activated via ME 92 30000 008 30000 000 f 56 When entering 40 the Q parameters 060 099 are global Number of global Q parameters which are transferred from a manufacturer cycle to the calling progran Difference between Q parameter 263 numbers for DLG DEF block and DLG CALL block in the user cycle f 5 if DLG CALL blocks only PLC time of timers for timers 32 47 65535 in units of 20 ms 9 gt M PLC counter preset value for counters 16 31 LL l m a tta 65535
80. nsertion tool 16 7 2 Labelling of EPROMs basic software id no position no e g IC P1 software index software update package index must point in same direction as other ICs on board 1271 arn p Boan t Cp gab uem Ls x EEE SETHETOSQEOEOQUEO ES fo Per cero ced Dic Pt 51222 z 179 abl 10 i m 8I D 1 n n 4 dip ut d S HE CLP PROCESSOR Board PROCESSOR Board BHEIDENHAIN DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 SERVICE MANUAL TNC 351 355 Page 91 a Kundendienst 17 Machine parameters The machine parameters are listed for all software versions as follows Since certain machine parameters are only applied for a certain software resp are active from a certain software version columns with symbols after the parameter numbers are introduced for differentiation Meaning Column 4 standard software PGM no 237 300 to 237 339 for IV axes controls 5 standard software PGM no 237 340 to 237 359 for V axes controls 4 special software PGM no 243 100 to 243 139 for IV axes controls 5 special software PGM no 243 140 to 243 159 for V axes controls Symbols t
81. ntout Number of control characters to set the printer interface 1 control character Graphie printout 227 81 65535 control characters to set 228 the printer interface 229 SERVICE MANUAL TNC 351 355 4 DR JOHANNES HEIDENHAIN GmbH Page 104 D 8225 Traunreut Tel 08669 31 0 Kundendienst 4 F T n UA S eer Function Parameter 4 5 t 5 Input range 30 i Graphic printout i 234 1 tj 4j 4 f 65535 MN I CHE M Number of control characters before each printer line 1 control character 1 Graphic printout 231 tj 4 4 65535 2 control charcaters before 232 1 each printer line 4 47 4 popu e Uu eR Movement supervision 234 ga oam V Vr S EN E 1 Touch probe system safety distance via 235 1 L d 195 9 Im measuring point for autom measurement Graphics 236 x I 222 0 4 4 erman standard nerican standard dg m Turning the coordinate systen 1 4 6 no rotation by 90 in the working plane 2 coordinate system turned Pace pte Ore ee a ea ae adds Wout iat kee MI NUT TTE e 9 Activation of the axis 20 6 axis inactive for spindle orientation 1 axis is used to orientate the main
82. o 217 977 9 1 2 Serial Handwheels 130 Id no 254 040 HR 330 Id no 251 534 HR 130 001 Id no 249 371 n m oH mu HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 46 1 D 8225 Traunreut Tel 08669 31 0 Kundendienst 9 2 Checking the Handwheel 9 2 1 Handwheel with sine input The HR 150 resp the HR 250 Handwheel can be electrically checked as encoder but without reference pulse however 9 2 2 Seriel Handwheel The serial HR 130 resp the HR 330 Handwheel can only be checked with an oscilloscope The control signals X11 pin6 DTR pin 8 RxD must corres pond to the following diagram The Handwheel is supplied by the Logic Unit X11 pin 2 OV pin 4 12V RxD 1ms DIV Diagram measured at the X11 Logic Unit HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 41 D 8225 Traunreut Tel 08669 31 0 Kundendienst 710 3D Touch Probe 10 1 Overview 10 1 1 Touch Probe with an external Interface Electronics APE TS 111 4 237 400 TS 511 Id no 237 402 With cable connection with infrared transmission 110 Id no 230 465 for TS 111 SE 510 Id no 230 473 APE 510 Id no 237 590 for TS 511 511 Id no 237 586 for TS 511 and additional connection for a second SE 510 10 1 2 Touch Probe with integrated Interface Ele
83. ohmmeter can be used to elec trically test the state of the cable the lamp and the photoelements of a mea suring system by taking the following measurements at the connector of the mea suring system Connector housing of measuring system with machine housing lt 1 0 outer shielding Connector housing of measuring system with pin 9 inner screen outer screen Connector housing of measuring system with 1 to 8 outer screen signal lines R e Pin 9 with pin 1 to pin 8 inner screen signal lines R Pin 1 with pin 2 9 Pin 2 with pin 1 09 change poles of ohmmeter Pin 5 with pin 6 99 The measured values Pin 6 with pin 5 909 change poles of ohmmeter Should be approxi Pin 7 with pin 8 RI i mately the same Pin 8 with pin 7 RI change poles of ohmmeter Pin 3 with pin 4 La approx 5 30 Q 1 With measuring systems having an adjustable reference mark different values or no resistances are measured depending on the type of activation Diagram of measuring system with sine wave output signals Measuring systems with square wave output signals can only be tested with a phase angle measuring unit PWM HEIDENHAIN SERVICE MANUAL TNC 351 355 00 DR JOHANNES HEIDENHAIN GmbH Page 46 Ed D 8225 Traunreut Tel 08669 31 0 Kundendienst 9 Handwheel 9 7 Overview 9 1 1 Handwheels with sine signal HR 150 Id no 217 978 250 Id n
84. ontrol Ready output Control deactivation deactivation Ready X21 pin 34 or X3 pin 10 on PL 300 PLC assigned input E3 Acknowledgement input for test Control Ready Ack X22 pin 4 1 max 174ms max 124ms Time Remarks Fault message 1 CURRENT INTERRUPTION 2 Wait for control voltage CONTROL VOLTAGE FOR RELAY IS MISSING 3 After switching the output Control Ready off the acknowledgement con trol ready must be switched off within EMERGENCY STOP DEFECTIVE 174 ms resp 124 ms if not the fla Shing error message appears 4 If during the operation the acknow ledgement is switched off EXTERNAL EMERGENCY STOP appears B HEIDENHAIN DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 08669 31 0 SERVICE MANUAL TNC 351 355 Page 72 Kundendienst 15 Test Equipment 15 1 Test Unit for the POWER SUPPLY Board Assemb PSA LOAD UNIT Id no 247 358 01 5V ADVAN 15 600000 OV XV Upatt RESET The connector doesn t exist with newer versions 12 Test OV 5 The insulated wired of the connec tion cables to processor and PLC board are soldered in directly Measure voltages according to description 5 3 2 15 2 Test Unit for the Keyboard Unit KEYBOARD TEST UNIT Id no 247 360 01 34 gt ec uw lt 8 w Qe
85. ote original input values when changing machine parameters and input them after checking MP Input value Function 174 100 mm Trailing error supervision EMERGENCY STOP 234 9 99 V Movement supervision Sequentially traverse over those reference marks that have to be traversed over before that of the defective axis Turn back completely override potentiometer of the KEYBOARD Unit and start reference mark approach for the defective axis Check axis release for defective axis at servo amplifier Check display Control in operation has to be on F has to illuminate as usual with the feed display not inverse F and with the position display no point must illuminate after the axis designation e g X Turn override potentiometer to the right and turn back again before the trailing error display reaches the position supervision limit MP 174 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 64 4d D 8225 Traunreut Tel 08669 31 0 Kundendienst The control outputs an analog voltage when turning the override potentiometer to the right and increases this voltage proportionally to the trailing error up to maximally 10V If a voltage of 10V 0 25V is measured with a voltmeter at the ANALOG OUTPUT TEST ADAPTER the control is in order If however no voltage is measured then switch off mains switch unplug connector X8 of the LE remove the wire to the nominal value line at servo d
86. r minal connector with screwdriver A i vo sS a 9 oo o 128 r 1 e QD mW e Z srr Fe HEIDENHAIN SERVICE MANUAL TNC 351 355 MEINE DR JOHANNES HEIDENHAIN GmbH Page 89 ANE 8225 Traunreut Tel 08669 31 0 Kundendienst d Disconnect flat cable connection on the PROCESSOR Board Press apart snap lock and pull off flat cable e The procedure for mounting the replacement PL 300 is opposite to that of removal Reconnect PL 300 to PROCESSOR Board Mount PL 300 onto the LOGIC Unit Reconnect terminal and clamp connections Switch on mains switch Exchange completed ATTENTION Send or store the boards only in the original package which protects the boards against electrostatic discharge Never use ordinary plastic bags for packaging EHEIDENHAIN SERVICE MANUAL TNC 351 355 7 DR JOHANNES HEIDENHAIN GmbH Page 90 ZA D 85225 Traunreut Tel 08669 31 0 Kundendienst 16 7 Exchange Procedure for the EPROMs 16 7 1 MOS protection When exchanging the EPROMs it is absolutely necessary to use a MOS protection mat Otherwise they may be damaged by electrostatic discharge We recommend using an IC extraction insertion tool to prevent damage to the board IC socket or EPROM Note the position no and the package index of the EPROM for correct insertion e g IC extraction i
87. rive and check for short circuit If the nominal value line is in order reconnect connector X8 to the LE leave nominal value line at servo amplifier unconnected switch on mains switch and repeat measurement by approaching the reference mark If an analog voltage is measured the control is in order If however no voltage is measured the analog output of the LE is probably defective 13 2 1 Set up for Measuring the Analog Outputs Servo Amplifier measuring adapter multimeter HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut 08669 31 0 Page 65 Kundendienst 13 3 Changin Positional Displa Mode Select auxiliary operating mode MOD with the 0 key Press thel or the fool her several times until the POSITION DISPLAY appears Press the if necessary until the requested display ACTL REF LAG NOML or DIST appears Acknowledge the auxiliary operating mode with the E key subsequently 13 4 Speed Adjustment Check and or optimize machine parameters note original input values when changing the machine parameters Input value Function Speed precontrol on 65 Display step lum Change positional display mode to LAG trailing error display input the following test program e g 1 LBL 1 2 X 100 RO 29999 M Select bigger traverse range if possible 3 x0 R F M 4 CALL LBL 1 REP 10 Proce
88. robably defective to A36 PRO CESSOR Board A32 to A62 PLC POWER I O Board Assembly PL 369 Acknowledge the auxiliary operating mode with the and the 2 ATTENTION m When connecting disconnecting always switch off mains switch first 14 2 3 Set up for testing the PLC I O Interface 18 19 20 21 22 23 90000 HEIDENHAIN SERVICE MANUAL TNC 351 355 1 DR JOHANNES HEIDENHAIN GmbH Page 70 D 8225 Traunreut Tel 08669 31 0 Kundendienst 14 3 Output Control Ready and acknowledgement for the test Control ready Important functions are supervised with self diagnosis by the TNC 351 355 con trol electronic assemblies as microprocessors read only memory read write memory positioning systems encoders etc If an error is determined when checking a flashing error message appears in plain dialog in the dialog display The output control ready is opened when outputting this error message This state can be cancelled by switching the main switch off if the error cause has been eliminated before The output Control ready must switch off the 24 volt control voltage in the machine interface Since this function is a very important safety feature the switch off function of the output Control Ready is checked each time the ma chine is switched on via the input Acknowledgement control ready The control has two supervision devices CLP PROCESSOR Board and
89. s B HM oM SI FE MD ADDRESS LETTER ALREADY ASSIGNED x SELECTED BLOCK NOT ADDRESSED DNE ES TOUCH POINT INACCESSIBLE Lax 110 ARITHMETICAL ERROR j x PATH OFFSET WRONGLY ENDED PATH OFFSET WRONGLY STARTED zw canes J OPERATION PARAMETERS ERASED j x 2 1 CC BLOCK MISSING EE d CYCL INCOMPLETE rcu DATA MEDIUM MISSING f fi 6 DATA MEDIUM EMPTY Jl i e DATA MEDIUM WRITE PROTECTED 111 6 PROGRAM INCOMPLETE _ _ 1 6 BLK FORM DEFINITION INCORRECT x AXIS DOUBLE PROGRAMMED PLANE WRONGLY DEFINED rid FURTHER PROGRAM ENTRY IMPOSSIBLE Lx ENTRY VALUE INCORRECT _ lt LIMIT SWITCH X J x 21 LIMIT SWITCH X x 21 LIMIT SWITCH Y x 24 LIMIT SWITCH Y x 2 1 LIMIT SWITCH Z qam LIMIT SWITCH Z x x _ 2 1 LIMIT SWITCH AXIS IV T x _ 312 1 LIMIT SWITCH AXIS IV x 21 LIMIT SWITCH AXIS V x 21 LIMIT SWITCH AXIS V x 21 HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 5 D 8225 Traunreut Tel 08669 31 0 Kundendienst HM OM SI MD ERR 001 11 6 ERR 002 11 6 ERR 903 11 6 ERR 004 11 6 ERR 010 11 6 ERR 011 11 6 012 11 6 ERR 013 11 6 ERR 014 11 6 ERR 100 11 6 ERR 102 11 6 ERR 103 11 6 ERR 104 11 6 ERR 105 11 6 ER
90. s well as the 24V disconnectable can optionally be connec ted via connector X 21 or X 22 see PLC Connection Diagram page 33 The supply for the PLC POWER Board Assembly PL 300 only with Q W S Y ver sions is connected to the X 12 terminal V X 13 24V disconnectable and the connector blocks X 3 12 424V not disconnectable See PLC Connection Diagram page 33 There are no fuses on the PLC POWER I O Board Assembly electronic current limitation The 24V which can be switched off are protected on all PROCESSOR boards with a F 2 5A fine wire fuse and indicated with a green LED The 24V which cannot be switched off are only protected with a F 1A fine wire fuse on the PROCESSOR Board id no 249 652 fine wire fuse PROCESSOR Board id no 237 930 fine wire fuses PROCESSOR Board id no 249 652 PES ce SERVICE MANUAL TNC 351 355 Page 33 D 8225 Traunreut Tel 08669 31 0 X e lt 2 E aL 2 e 2 Q 2 5 ala Kundendienst 5 4 1 Connection Diagram for the PLC Supply oTd CSS 6 2 72 DAI 00 1 5 lt wn N u a z OU pI 55 4 snjg LE i SE t l i ZX Xx dois u3t 33o uoa3t 4s 0550 30A Ne H
91. ssing of test program in the operating mode Program Run Full Sequence Adjust speed at servo amplifier tacho such until the trailing error display possibly displays zero in both directions during positioning Repeat adjustment for all axes Bring machine parameters and positional display to original state again BHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 66 D 8225 Traunreut Tel 08669 31 0 Kundendienst 13 5 Offset Adjustment 13 5 1 Offset Adjustment with Key Number Select auxiliary operating mode MOD with the and select key number with the Lt key Input key Wumber 75368 and transfer with the Kv key The converter steps 2 44nV are now displayed for the offset on the display If the is now pressed the offset values are transferred into the off set memory and compensated If instead of the the is pressed the offset memory is erased and the compensation is eliminated Acknowledge the auxiliary operating mode with the 5 key 13 5 2 Automatic Cyclic Offset Adjustment In machine parameter 252 the cycle time 20 ms units is determined according to an existing offset which is compensated by one converter step 2 44mV If the automatic offset adjustment is to be switched off the machine parameter 252 has to be programmed with zero ATTENTION If with the automatic offset adjustment an offset voltage of 100
92. t for X Y Z IV V S Flanged socket with 15 pin female insert esr A X axis Analog output of Y axis Analog output of Z axis Analog out of IVth axis Analog output of Vth axis Analog output of axis OV Z axis VO 1 IE 3 7 OE QV Vth axis ov S anis Outer shield connector housing 2 4 6 10 12 do not assign only with 5 axes controls Flanged socket with 15 pin female insert Anschlup Nr VIDEO 13 Outer shield connector 3 6 14 15 do not assign Flanged socket with 9 pin female insert 7 do not assign only with LE 351 id no 243 992 LE 355 id no 237 660 238 324 242 407 242 408 IHEIDENHAIN 9 DR JOHANNES HEIDENHAIN GmbH BU D 85225 Traunreut Tel 086 69 31 0 Kundendienst SERVICE MANUAL TNC 351 355 Page 16 1 4 3 5 Connector layouts for LE 355 C G S Y R CLP PROCESSOR BOARD Xl X2 X3 encoder input 1 2 3 4 see page 16 X1 X2 X3 X4 X HR 150 250 Electronic Bandwheel see page 16 X6 X8 nominal value output for X Y 2 IV V 5 see page 16 X8 X9 BE 412 Visual Display Unit See page 16 X9 X10 reference pulse inhibit see page 16 X10 X11 Handwhee with axis switch over keys Flanged socket with 9 pin female male insert ov 5V 12V 15V DTR RxD Do not assign X12 TS120 Touch Probe System TS 111 TS 511 only via cable adapter Flanged socket with 15 pin female m
93. t if the nominal voltage step of 2 44 aV value calculated is equal or exceeds for the Vth axis 1 22 mW 8 2 44 nV output if the nominal value calculated exceeds 0 M 9 M i l U U U U U UL U ul eer re a pn he A ni Ms rem SERVICE MANUAL 351 355 DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut 08669 31 0 Page 109 e HEIDENHAIN Kundendienst Parameter Input range no positive with positive traverse direction 1 negative with positive traverse direction Kv factor for the tra ling operation V f fo 0 100 10 000 0 inactive datum is acknowledged from MP 337 1 active Acceleration for the Vth axis of 0 001 3 0 m s 0 001 2 000 mm or 2 eee S Um ET ss eee O d e Analog voltage with rapid traverse 4 5 9 V axis V Polarity of the nominal value voltage o Differential factor for the speed precontrol Datum setting via axis key V Positioning window for the Vth axis Input values for the datum shift 30000 000 30000 000 mm of the Vth axis activated resp via marker 2816 2817 2819 30000 000 30000 000 1 datum shift V 2 datum shift V 3 datum shift V Prescribed step for the Vth axis 1f the Hirth toothing ia activated via MP 92 0 9 999 input value 0 is treated as 0 00
94. tage steps of 2 44 nV 2 44 mV output if the nominal value calculated is equal exceeds 1 22 nV 8 2 44 output if the nominal value calculated exceeds Polarity of the nominal X positive with positive traverse direction value voltage Y 1 negative with positive traverse direction 1 IV Integral factor X 65535 1 2 IV Differential factor X 65536 Y 2 IV Backlash compensation X 1 000 1 000 na Y i IV angular axis 1 009 1 000 Compensation factor for X 1 008 1 000 nn 1 linear compensation Y 1 IV D HEIDENHAIN Zi DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 086 69 31 0 Kundendienst et a SERVICE MANUAL TNC 351 355 Page 93 T Wasa fos Sa a Cu c DUREE CE CI E D CI Function Parameter 4 5 5t Input range n0 i Software limit switch ranges 44 4 t 30 00 30000 000 mn X 45 lop rs E we 1 Fev 1 4 poser dar e 1 4 1 19 hi h i IV 1 4 4 angular axis Iy 51 j tj to 300 9 30000 0900 uem k 2 e Analog voltage with rapid course X axis 52 X Y 2 Ilth axisi ti bj j X axis L 06 0 t 445 9 1 3 3 3 Approach speed 53 j 4141 10 n nin IM NK NRI EE ats Se i de
95. ted with the current block lies out of the soft ware limit switch or out of the additional limitation The positioning is not carried out Machine parameters for software limit switches MP 44 MP 45 MP 46 MP 47 MP 48 MP 49 MP 50 MP 51 MP 325 MP 326 X X Y Y Z Z IV IV V V SHORT CURRENT INTERRUPTION Short collapse of supply to TNC approx 120 150 ms Important machine parameters were changed e g MP 12 MP 20 MP 60 MP 72 MP 90 MP 170 MP 184 MP 217 MP 236 etc POSITIONING ERROR The position supervision entered in machine parameter 56 or 175 is effec tive control approach behaviour of axis optimize again if required B HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 8 D 8225 Traunreut Tel 08669 31 0 Kundendienst 3 Fault Messages and their Causes The integrated supervision system differentiates between insignificant and Significant errors Significant errors are displayed with a flashing display e g erroneous functions of linear transducers drives and errors in data processing The control opens the contact Control ready in the case of significant errors This results in a EMERGENCY STOP of the machine The state EMERGENCY STOP can only be eliminated again by switching off the main switch provided that the error cause was eliminated before Flashing display Possible fault cause FAULTY DATA PROCESSING 0 PROCE
96. ter for pos acknowledge ment resp negative acknowledgement SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 103 D 8225 Traunreut Tel 08669 31 0 Kundendienst Function Parameter 4 5 Input range no Data format and transmission stop 222 5 for V 24 data interface bit T or 8 data bit 0 27 data bit ASCII code with 8th bit parity 1 8 data bit ASCII code with 8th bit 9th bit parity Block check character 1 any KC character RUNTIME also control sign 2 BCC character no control sign Transmission stop by RTS O 4 active Transmission stop by DC3 3 0 inactive 8 active Even or odd character parity 4 f even 16 odd Requested character parity 5 not required 32 required Number of stop bits 6 1 1 6 j 1k stop bits 4 1 2 stop bits 1 1 stop bit 1 1 1 stop bit Setting bit 6 64 Setting bit 7 128 Operating mode V 24 data interface 223 z standard data interface blockwise transfer Blockwise transfer 224 12979 ASCII character for end of data transmission 225 no central tool memory 1 99 central tool memory input value number of tool stations Graphic pri
97. unreut Tel 08669 31 0 Kundendienst 5 3 Testing the POWER SUPPLY Board Assembly The POWER SUPPLY Board Assembly is protected by two fine wire fuses The 24V BE output voltage is protected by a F 2 5A fuse all other output voltages F 4 0A see Block Diagram pages 27 and 28 If a fault is detected all voltages are missing check if the LE 24V supply is present then the two fuses Safe and fast testing of the POWER SUPPLY Board Assembly is possible by means of the PSA LOAD UNIT The plug connection to the boards at the POWER SUPPLY Board Assembly has to be disconnected and the PSA LOAD UNIT has to be connected in its place Various voltages can be measured with a voltmeter at the sockets of the PSA LOAD UNIT The measured values and tolerances can be compared with the values in the table page 26 If the values of the measurements do not coincide with the values of the table the POWER SUPPLY Board Assembly is defective If no PSA LOAD UNIT is available the voltages may also be measured at the test points on the PROCESSOR Board or on the CLP PROCESSOR Board for location of test points see section 5 3 2 ATTENTION When connecting disconnecting always switch off mains switch first HEIDENHAIN SERVICE MANUAL TNC 351 355 SNZ DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut 08669 31 0 30 Kundendienst 5 3 1 Measuring Circuit with PSA LOAD UNIT when disconnecting press togeth
98. ut X4 5 encoder input X5 6 5 encoder input X6 only with V axes version Procedure with an error message e g ENCODER X DEFECTIVE Switch off main switch Exchange X axis of encoder e g with the Y axis at the LOGIC Unit Switch on main switch Call machine parameters with the error message POWER INTERRUPTED with key number 95148 and exchange the input values from machine parameter 253 and 254 If the input value for the machine parameters is 0 the machine parameter 253 has to be programmed with 2 and 254 with 1 Enter machine parameters and switch on machine as usual If the same error message ENCODER X DEFECTIVE appears the error is due to the encoders or the extension cable If the error message changed from X to Y however the encoder input of the LOGIC Unit is defective 1f the reference pulse inhibit connector X10 is used and if positioning should occur with exchanged encoders also the reference pulse inhibit for the respective axes must be exchanged FHEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH Page 45 D 8225 Traunreut Tel 086 69 31 0 Kundendienst 8 3 1 Electrically Checking the Scanning Head of the Measuring System To determine if the measuring system is at fault the following test equipment is used phase angle measuring unit PWM with without oscilloscope high resistance short circuit tester If no phase angle measuring unit is available an
99. x current Average DC voltage consumption NC 24V Lower limit 15A approx 30 W VDE 0551 20 4 V LE 355 PLC 18A approx 6 W if half of the inputs if approx 1 3 of the and outputs are inputs and outputs driven simultaneously are driven simultaneously approx 2b W if approx 1 3 of the inputs and outputs are driven simultaneously Power consumption 24 V Voltage increases up to 36 V 7 for t lt 100 ms are permissible 21A if half of the inputs and outputs are driven simultaneously Upper limit 31 V HEIDENHAIN SERVICE MANUAL TNC 351 355 DR JOHANNES HEIDENHAIN GmbH D 8225 Traunreut Tel 086 69 31 0 Page 25 1 Kundendienst The BE 412 B Display is supplied with mains voltage ac voltage With the mains voltage selector two voltage ranges can be adjusted in the BE 412B and six in the BE 412 Please check whether the mains voltage selector is correctly set and whether the correct mains fuse is used BE 412 Voltage supply Voltage range Frequency range Power consumption Mains fuse 100 120 140 V T 0 630 A 15 10 45 62 Hz approx 40 W 200 220 240 V T 0 315 A current supply main voltage mains fuse of LW 355 X9 mains voltage selector In case of 110 V supply voltage the mains voltage selector must be adjusted to 120 V BE 412B Supply voltage Voltage range 110 V 85 132 V 220 V 170
100. y without tool length Without tool length correction when correction setting datums in the tool axis t 32768 display with tool length correction G0TO function with blockwise E IU 1 at ij M 6010 function not possible ses Overlapping factor with pocket ailing 9 EI 1 41 sss See PTT PLC counter preset value 4 t 74 65535 for counters f 15 b Jib dE E E E NL s X 169 PLC time of timer 110 ti t for timers 15 11i 112 113 14 115 116 111 i 118 119 1 mem fe t M M asss 18 65535 in units of 26 as gt E ol 9 lt A gt e o lt o o e e de 1 1 i I 1 i i I i i 1 I 1 1 1 I i 1 i 1 1 i 1 1 I I 1 i 1 l 1 I 1 t 1 1 1 I 1 i SERVICE MANUAL 351 355 P DR JOHANNES HEIDENHAIN GmbH Page 99 D 8225 Traunreut Tel 08669 31 0 Kundendienst Y Punction 1 Parameter no u e m a m m Input range ee a m a aa

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