KTR DATAFLEX 85 Series Operating & Assembly Instructions

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 1 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: DATAFLEX® Torque measuring shaft type 85/… DATAFLEX® is a maintenance-free torque measuring shaft with integrated speed measurement. Combined with the steel lamina coupling RADEX®-N the complete system forms a torsionally stiff, double-cardanic coupling with integrated measuring shaft. Table of contents 1 Technical data 2 Advice 2.1 General advice 2.2 Safety and advice symbols 2.3 General hazard warnings 2.4 Intended use 3 Storage 4 Assembly 4.1 Components of DATAFLEX® torque measuring shaft 4.2 Advice regarding finish bore 4.3 Displacements - alignment of the torque measuring shaft 4.4 Assembly of the hubs 4.5 Assembly of the RADEX®-N clamping ring hubs on the DATAFLEX® torque measuring shaft 4.6 Assembly of the hubs on driving and driven side 4.7 Assembly of the lamina sets 4.8 Tightening torque of the fitting screws 4.9 Advice for assembly of the DATAFLEX® torque measuring shaft 4.10 Technical description 4.11 Services, customer service addresses 5 EC certificate of conformity

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 2 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 1 Technical data DATAFLEX® torque measuring shaft Illustration 1: DATAFLEX ® torque measuring shaft Table 1: Dimensions DATAFLEX® type Dimensions [mm] d D L1 L2 L3 L4 L5 85/2000 85 215 344 90 164 153 10 85/5000 85/10000 Table 2: Technical data Coupling size DATAFLEX® 85/2000 85/5000 85/10000 Electrical data Nominal torque TKN [Nm] -2000 .. +2000 Nm -5000 .. +5000 Nm -10000 .. +10000 Nm Band width of torque signal [kHz] (-3dB) 16 Error in linearity incl. hysteresis [%] 1) < ±0,5 Influence of temperature [%/10K] 0,5 Nominal temperature range [°C] 0 - 55 Supply voltage [V] DC 24 ± 4 Max. current consumption [mA] 100 Torque output Output voltage torque [V] 0 ... 10 Output current torque [mA] 4 ... 20 Speed output 2) Number of impulses / revolution 60 Amplitude [V] 24/5V DC speed output [V] 0 - 10 Scale of direct voltage output 16 settings via micro switch Inaccuracy of DC output [%] 3) ± 0,2 Direction signal [V] to be omitted Mechanical data Static load limit TKmax. 1) [%] 150 Breaking load TK break 1) [%] 300 Max. bending torque [Nm] 380 760 1270 Max. radial force [N] 1500 3000 5000 Max. axial force [kN] 50 80 110 Weight [kg] 22,6 23,3 23,9 Torsion spring stiffness CT [Nm/rad] 382000 818570 1273330 Torsion angle with TKN [degrees] 0,30 0,35 0,45 Mass moment of inertia [kgmm2] 16360 16790 17420 Max. speed [rpm] 2500 1) Referring to rated torque TKN 2) With connection housing DF2 3) Referring to measuring range value

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 3 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 1 Technical data DATAFLEX® torque measuring shaft in combination with RADEX®-N Illustration 2: DATAFLEX ® with RADEX ®-N Table 3: Dimensions and technical data Coupling size DATAFLEX® 85/2000 85/5000 85/10000 Coupling size RADEX®-N 105 115 135 Dimensions [mm] Dimension d1/d2 max. 105 115 135 Dimension D1 225 265 305 Dimension D2 147 163 184 Dimension L6 344 364 434 Dimension L7 90 100 135 Dimension L8 384 410 488 Dimension LGes 564 610 758 Dimension E 20 23 27 Setscrew [mm] Dimension G M12 M12 M20 Dimension t 30 30 40 Tightening torque TA [Nm] 40 40 140 Mechanical data of the combination (DATAFLEX® with RADEX®-N) Mass moment of inertia [kgmm²] 225000 473500 1006700 Torsion spring stiffness [Nm/rad] 29300 55600 92800 Weight [kg] 61,5 85,6 130,2 Max. speed [rpm] 1) 2500 1) Higher speeds on request.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 4 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 2 Advice 2.1 General advice Please read through these assembly/operating instructions carefully before you start up the measuring shaft. Please pay special attention to the safety instructions! The mounting instructions are part of your product. Please keep them carefully and close to the measuring shaft. The copyright for these mounting instructions remains with KTR Kupplungstechnik GmbH. 2.2 Safety and advice symbols STOP D A N G E R ! Danger of injury to persons. ! C A U T I O N ! Damages on the machine possible.  A T T E N T I O N ! Pointing to important items. 2.3 General hazard warnings STOP D A N G E R ! With the assembly, operation and maintenance of the measuring shaft it is important to secure the entire drive train against accidental switch-on. Please read through and observe the following safety instructions.  All operations with and on the measuring shaft must be performed based on the idea of “Safety First”.  Secure the measuring shaft and the disengaged drive before the operations are performed.  Secure the drive system against accidental switch-on, for example place warning signs at the switch or remove the fuse.  Do not touch the measuring shaft when it is in operation.  Protect the measuring shaft from accidental contact. Use an appropriate cover or shield. 2.4 Intended use You may only assemble, operate and maintain the measuring shaft if you  carefully read through the mounting instructions and understood them  had technical training  are authorized by your company The measuring shaft can only be used in accordance with the technical data (see table 1 to 3). Unauthorized alterations to the measuring shaft are not allowed. We will not assume liability for any damage that may arise. In the interest of further development we reserve the right for technical modifications. The DATAFLEX® torque measuring shaft described corresponds to the technical status at the time of printing these assembly instructions.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 5 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 3 Storage The RADEX®-N couplings are supplied in preserved condition. Both DATAFLEX® and RADEX®-N can be stored at a dry and covered place for 6 - 9 months. ! C A U T I O N ! Humid storage rooms are not suitable. Please make sure that condensation is not generated. The best relative air humidity is less than 65%. 4 Assembly The measuring shaft and the couplings are supplied as single pre-assembled structural components. Before assembly the measuring shaft should be checked for completeness. The position of the DATAFLEX® is variable. The measurement system can be mounted horizontally as well as vertically. 4.1 Components of DATAFLEX® torque measuring shaft Components of DATAFLEX® torque measuring shaft Components of RADEX®-N coupling Component Quantity Designation Component Quantity Designation 1 1 DATAFLEX® torque measuring shaft 2 2 Flange hub 3 2 Lamina set 4 2 Clamping ring hub with clamping ring 5 2 Setscrew DIN EN ISO 4029 Illustration 3: DATAFLEX ® 85 - torque measuring shaft with RADEX ®-N

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 6 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.2 Advice regarding finish bore STOP D A N G E R ! The maximum permissible bore diameters d1max and d2max (see RADEX®-N catalogue) must not be exceeded. If these figures are disregarded, the coupling may tear. Rotating particles may cause danger to life.  Hub bores machined by the customer have to observe concentricity or axial runout, respectively (see illustration 4).  Please make absolutely sure to observe the figures for Ø d1max and Ø d2max.  Carefully align the hubs when the finish bores are drilled.  Please provide for a setscrew according to DIN EN ISO 4029 with cup point or an end plate for the axial fastening of the hubs. Illustration 4: concentricity and axial run-out 4.3 Displacements - alignment of the torque measuring shaft The displacement figures shown in table 4 provide for sufficient safety to compensate for external influences like, for example, heat expansion or foundation settling. ! C A U T I O N ! In order to ensure a long service life of the measuring shaft the shaft ends must be accurately aligned. Please absolutely observe the displacement figures indicated (see table 4). If the figures are exceeded, the measuring shaft with coupling will be damaged. Please note:  The displacement figures given in table 4 are maximum values. They cannot occur at the same time. When radial, axial and angular displacement occurs simultaneously, these values must be reduced (see illustration 6).  Please inspect with a dial gauge, ruler or feeler whether the permissible displacement figures of table 4 can be observed. angular displacements radial displacements Illustration 5: displacements axial displacements

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 7 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.3 Displacements - alignment of the torque measuring shaft Table 4: Displacement figures DATAFLEX® size RADEX®-N size Max. axial displacement Ka [mm] Max. radial displacement Kr [mm] Max. angular displacement Kw [degree] 85/2000 105 2,4 6,3 1,0 (each lamina package) 85/5000 115 2,8 6,7 85/10000 135 3,5 8,0 Examples for the displacement combinations given in illustration 6: Example: Kr = 60% Kw = 20% Ka = 20% Illustration 6: combination of displacements Ktotal = Ka + Kr + Kw  100% 4.4 Assembly of the hubs  A T T E N T I O N ! We recommend to inspect bores, shaft, keyway and feather key for dimensional accuracy before assembly. 4.5 Assembly of the RADEX®-N clamping ring hubs on the DATAFLEX® torque measuring shaft The force is transmitted through a frictional connection. The fit for the shaft and clamping ring hub is H7/h6. During assembly please pay attention to the following procedures:  Please clean and degrease the contact surfaces of the hub bores and the shafts before assembly. ! C A U T I O N ! Oil and grease with Molybdenum Disulfide or other hydrocarbons as well as grease paste should not be used.  The clamping screws must be lightly unscrewed, the clamping ring hub should be placed on the shaft and adjusted to the L6 dimension (see illustration 7 and 8).  The clamping screws must be tightened evenly crosswise. The tightening torques should be increased gradually. This procedure should be repeated until the tightening torque of all of the clamping screws corresponds to the value given in table 5.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 8 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.5 Assembly of the RADEX®-N clamping ring hubs on the DATAFLEX® torque measuring shaft Illustration 7: assembly of the clamping ring hubs Illustration 8: adjusting to the L6 dimension Table 5: Tightening torque of the clamping screws Coupling size DATAFLEX® 85/2000 85/5000 85/10000 Coupling size RADEX®-N 105 115 135 Screw size M12 M12 M16 Number z 9 12 9 Tightening torque TA [Nm] 120 120 295 Transmittable torque [Nm] 1) (frictional torque) 8000 10900 15600 1) H7/h6 shaft/hub fit 4.6 Assembly of the hubs on driving and driven side  Assemble the hubs on the shafts of the driven and driving side (illustration 9). The ends of the shafts must not protrude through the hubs.  Move the units in axial direction until the dimension L8 is achieved (illustration 10).  If the unit is fixed move the hubs on the shaft to achieve the L8 dimension.  A T T E N T I O N ! On request the hubs can be machined for a set screw to secure the hubs in axial direction. Please mention this request in your order. ! C A U T I O N ! During assembly please make sure the correct L8 is observed (table 3). If this is not done the measuring shaft (coupling) can be damaged. Illustration 9: assembly of the driven and driving side hubs Illustration 10: adjusting to the L8 dimension

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 9 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.7 Assembly of the lamina sets ! C A U T I O N ! During assembly it is important that the lamina sets are assembled free from distortion in axial direction. If this is not done the coupling can be damaged.  Insert the lamina sets and the DATAFLEX® measuring shaft.  Screw the components hand-tight for the time being, while the fitting screws have to be mounted offset from left to right (see illustration 11).  Tighten the fitting screws to the tightening torques mentioned in table 6 by means of a torque key. Illustration 11: assembly of the lamina sets 4.8 Tightening torque of the fitting screws The fitting screws have to be tightened to the tightening torques TA mentioned in table 6. Table 6: Tightening torque of the fitting screws Coupling size DATAFLEX® 85/2000 85/5000 85/10000 Coupling size RADEX®-N 105 115 135 Screw size M16 M20 M24 Tightening torque TA [Nm] 280 550 900 ! C A U T I O N ! After the coupling has been put into operation the tightening torque of the fitting screws should be checked during normal maintenance intervals. 4.9 Advice for assembly of the DATAFLEX® torque measuring shaft  Fix the housing ! C A U T I O N ! The housing must be protected from rotation. For this purpose there is a thread size M4 at the bottom side. Please make absolutely sure to avoid a rigid fixing of the housing! ! C A U T I O N ! Opening the housing is not required and can lead to damage of the measurement shaft.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 10 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.9 Advice for assembly of the DATAFLEX® torque measuring shaft  Insulation All DATAFLEX® measuring shafts of type 85 correspond to the Protection IP50 according to DIN EN 60529.  Maintenance The DATAFLEX® measuring shaft is maintenance-free. Lubrication or cleaning is not necessary.  Calibration The unit is supplied with a calibration sheet. We recommend to inspect the calibration every six months. 4.10 Technical description 1. General description The overall measuring electronics is installed in the fixed housing so that additional devices for signal processing are not necessary. The measuring shaft can be wired either by the terminal housing DF2 available as accessories or manually by a 12-pole coupling (type Binder series 432) (pin configuration see table 7). The measuring system has three measuring terminals which the analogous terminal figures for torque and speed can be measured on. Two digital terminals show the current operating condition, while two digital inputs can be used for calibration.  A T T E N T I O N ! The measuring shaft should initially be switched on when all of the connections have been properly connected. After it has been switched on for the first time the measuring shaft will take around 5 minutes until this warm up phase is finished and the measurement device will have its standard accuracy. 2. Pin assignment of the measuring shaft Table 7: Pin assignment of the type Binder series 423 connection Connection Pin Characteristic Illustration 12: plug connection DATAFLEX ® Input Voltage Supply voltage + 24VIN M 24 V DC ± 4 V / 100 mA Supply voltage - GND L Torque Output Output voltage + UOUT F 0 ... 10 V (RA = 1 k) Output voltage - GND E Output current + IOUT G 4 ... 20 mA (RA  500 ) Output current - lOUT- L Speed Output Output speed + DRZ H 24 V / 60 impulse/revolution Output speed - GND J LED-Output Program-LED ULED1+ D 5 V / 5 mA prepared for LED ULED1- C Fault signal ULED2+ K 24 V / 5mA prepared for LED GND L Calibration Input Auto-Offset T1 A activ on connection with GND (Pin L) Program T2 B

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 11 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description 3. Connection housing DF2 The connection housing DF2 has 12 screwed connections for power supply, display equipment and switches. The torque signal is displayed as proportional direct voltage 0 … 10 V and as current of 4 … 20 mA. For speed output a square wave signal and a scalable voltage signal is available (for pin configuration see table 8). The switch T1 serves for programming and can be bridged externally from GND via the terminal 12 (T1). Table 8: Pin assignment of the connection housing DF2 No. Designation Function Characteristic Illustration 13: connection housing DF2 Input voltage 10 24V Supply voltage + 24 V DC ± 4 V / 100 mA 11 GND Supply voltage - Torque output 4 M-U Output voltage + 0 V ... 10 V (RA = 1 k) 5 GND Ground torque output 6 M-I Output current 4 mA … 20 mA Speed output pulse signal 7 N1 Speed output channel 1 HTL (24V, 60 pulses /rev.) TTL (5V, 60 pulses /rev.) 8 GND Ground for pulse speed output 9 N2 Without function Speed output DC-voltage 1 R/L Without function 2 GND Ground for DC speed output 3 N-U Speed output DC-voltage 0 V ... 10 V (scalable) Other connections / operating device 12 T1 Push button T1 External connection T1 13 L1, L2 Signal LED’s 14 T1, T2 Push button T1, T2 Push button for programming 15 TP Switch low pass filter On/off switch low-pass 16 - Connection measuring shaft 1:1 Connection Cable 17 - Switch for speed scaling see table 12 4. Description of connections a) Supply voltage 24V The supply voltage is 24V DC with a maximum current consumption of 100 mA. b) Torque output U, l To record the torque there are a voltage and a current output available. Both outputs can be used at the same time.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 12 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description Table 9: Relation between torque - output values DATAFLEX® size U / M I / M 85/2000 2,5 V / 1000 Nm 4 mA / 1000 Nm 85/5000 1 V / 1000 Nm 1,6 mA / 1000 Nm 85/10000 0,5 V / 1000 Nm 0,8 mA / 1000 Nm The characteristic curves of the output are shown in illustration 14.1 and 14.2. The characteristic curves of the output values (see illustration 14.1 and 14.2) Illustration 14.1: voltage to torque relationship Illustration 14.2: current to torque relationship

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 13 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description  Low pass filter (No. 15) If the connection housing DF2 is used, the signal of the voltage output can be filtered. Table 10: Low pass switch (No. 15) Button adjustment TP Left Right Low-Pass on Low-Pass off The limit frequency of the filter can be changed by varying the DIP switches (see illustration 15) inside the connection housing: Illustration 15: position of DIP switch Table 11: Adjustment of the requested filter frequency Limit frequency [Hz] Switch 1 Switch 2 Switch 3 Switch 4 15000 OFF OFF OFF OFF 1000 OFF OFF OFF ON 100 OFF OFF ON OFF 10 OFF ON OFF OFF 1 ON OFF OFF OFF A filter frequency of 1000 Hz is pre-set. c) Output speed N1 (No. 7) For determining the speed a square wave with a frequency of 60 pulses per revolution is available. The height of the square wave voltage is 24 volts. Illustration 16 speed (1/min) = 1 / ta(s) speed (1/min) = f (1/s)

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 14 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description Output circuit (connection N1) The speed output N1 has short-circuit proof push-pull outputs providing a square-wave voltage with an amplitude of 24V and a maximum switching current of 30 mA. The output terminals must not be charged with an external voltage (see illustration 17). The output voltage of speed lines can be varied by modifying the jumper position in the connection housing to 5V level (see illustration 18). Illustration 17: output circuit of speed outputs Illustration 18: modification of voltage level for the speed signal d) Outputs N-U The KTR connection housing DF02 contains an integrated f/U converter. It converts the pulses of the encoder to a linear DC-voltage output (terminal N-U). On the bottom side of the connection housing DF02 there is a sixfold multiple switch allowing to adapt the scaling of the speed signal to the type of measuring shaft and the speed range (see illustration 13 and 19). Illustration 19: switch positions

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 15 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description Scaling of the speed direct voltage output Table 12: Switch position S1-S4 and the corresponding scale of the speed output N-U Max. speed Scaling S1 S2 S3 S4 Illustration 20 10 1 U/min / V 0 0 0 0 20 2 U/min / V 0 0 0 1 40 4 U/min / V 0 0 1 0 60 6 U/min / V 0 0 1 1 80 8 U/min / V 0 1 0 0 100 10 U/min / V 0 1 0 1 200 20 U/min / V 0 1 1 0 400 40 U/min / V 0 1 1 1 600 60 U/min / V 1 0 0 0 800 80 U/min / V 1 0 0 1 1000 100 U/min / V 1 0 1 0 2000 200 U/min / V 1 0 1 1 4000 400 U/min / V 1 1 0 0 6000 600 U/min / V 1 1 0 1 8000 800 U/min / V 1 1 1 0 10000 1000 U/min / V 1 1 1 1 Table 13: Selection of DATAFLEX® series DATAFLEX® type S5 S6 DATAFLEX® 22, 42, 85, 140 0 0 DATAFLEX® 16 1 1 DATAFLEX® 32 0 1 e) Digital input and output The general parameters for calibration of the measuring shaft are stored electronically and can be changed by operating the external calibration input T1 and T2. As done in the connection box DF2 accessory the connections for the LED output and the calibration input are wired as shown in illustration 21 (see table 7). Illustration 21 LED 1 (Program) For calibration of the measuring shaft the factors for amplification and offset can be set in steps. According to the description of the procedure in chapter 4 (calibration) the PROGRAM-LED shows a change in the mode of operation. LED 2 (Error) / Error Signal The perfect operation of the measuring system is permanently supervised. An electronic defect is shown by an error signal. If an error is permanently shown, the measuring system is damaged and must be returned to KTR.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 16 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description Table 14: Condition LED 2 Normal Operation OFF Error ON Automatic Offset Correction If an incorrect value is indicated if no torque is applied ( 5,0 V), an automatic offset alignment can be effected by pressing the button T1-Auto-Offset for 2 seconds. For this purpose the torque is reduced to 0 and the button T1-AUTO-OFFSET must be pressed for 2 seconds. After successful alignment the saving of the new values is confirmed by 6-fold blinking of the program - LED and the normal measuring operation is continued automatically. For an easy connection in control systems the Auto-Offset-Connection is accessible in the connection housing DF2 (No. 12). 5. Calibration (Manual adjustment of amplification and offset.)  A T T E N T I O N ! The measurement shaft is delivered in calibrated state. We recommended checking the calibration every half year. The amplification determines the correct relationship between the torque and the output voltage as well as the output current. It influences the incline of the curves shown in illustration 14.1 and 14.2. The displacement of the curves in vertical direction depends on the offset alignment. Both parameters can be set and saved one after the other (see illustration 22). Illustration 22: flow of the manual setting Instructions for a new calibration: 1. Press the T2-Program key for 2 seconds. The PROGRAM-LED will blink two times. An adjustment of the amplification factor is possible now. 2. The measurement shaft should now be alternately loaded and unloaded by a defined weight. The difference between the output values should be compared to the actual difference between the load and unload. 3. Through a quick press of the T1-AUTO-OFFSET key the amplification factor can be roughly varied. While a fine variation of the amplification factor can be made using a quick press of the T2-PROGRAM key. One after the other all of the types of amplification factors can be adjusted (see illustration 23.1). 4. If the difference of the displayed measurement values of the loading and unloading corresponds with the outside determined torque difference, the adjustment of the amplification is finished. 5. Press the T2-PROGRAM key for 2 seconds. The PROGRAM-LED will blink 4 times. The manual setting of the offset can start now. 6. As described under point 3 the keys can be pressed quickly to set all of the values (see illustration 23.2). If no torque is applied the measurement shaft should be adjusted to an output voltage of 5,0 V or rather an output current of 12,0 mA. 7. When the offset adjustment is finished, pressing the T2-PROGRAM key for two seconds will save all of the new parameters. The PROGRAM-LED will blink one time. The measuring shaft will be in its normal operating mode again.

Operating/Assembly instructions KTR-N Sheet: Edition: 49012 EN 17 of 18 6 Please note protection mark ISO 16016. Drawn: 03.09.13 Pz/Koe Replaced for: KTR-N valid from 28.05.13 Verified: 22.10.13 Pz Replaced by: 4 Assembly 4.10 Technical description Illustration 23.1 Illustration 23.2 ! C A U T I O N ! With saving all of the old data will be overwritten.  A T T E N T I O N !  The calibration can be interrupted if the measurement device is switched off for a short time and then switched on again. The previously saved parameters will then be reproduced.  The safe measurement operation can be carried out after saving the new parameters (point 7) or after interrupting the power supply.  After saving the new parameters (point 7) the parameters will stay the same even if the power supply is interrupted. 4.11 Services, customer service addresses If requested we are pleased to perform the calibration of your torque measuring shaft and other services. Contact addresses of the KTR partners for spare parts and orders can be obtained from the KTR homepage at www.ktr.com.  A T T E N T I O N ! KTR does not assume any liability or warranty for the use of spare parts and accessories which are not provided by KTR and for the damages which may incur as a result.

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