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1. Rene Reno 8 MOS2000 IS Layout 2 rnit ter iro o OP RE e nt Eras 9 Main components seen 9 Factory inner ane nant tien tune 10 Inputs Outputs Setting 11 Page 2 12 SERVICE MANUAL MCS2000 IS MC521 gb 0330 WARNER ELECTRIC General description The interface sensor MCS2000 IS integrates two basic functions Amplifier with averaging function for two load cells The unit can be connected either to one or two load cells Two high gain and stability amplifiers are able to amplify signal load cell as low as 10 mV with very high precision in order to get a normalised 0 10V output Each amplifier has a separated gain adjustment and individual offset setting Special care was brought in the IC selection to insure a long term stability and to guarantee precision in large temperature range As the amplifier owns very sensitive input it is recommended to mount it as close as possible from load cells We recommend not going over 5 m In case of use of WARNER load cell an appropriated shielded cable is supplied In other case it is of customer responsibility to use a correct connection cable between the load cells and the unit MCS2000 IS The block schematic included in the pr
2. POT 6 POT 7 POT 8 POT 5 POT 4 POT 3 m POT2 Main power supply POT 1 71 superposed board L 4 US ENS input slope selection SW1 INT input dV dt polarity selection g fo SW2 _ Terminal block 2 rows 1011 and Es 12 to 22 05 Selection 1 to A10 POT 9 12 positions rotative switch SW3 Gain range selection SW4 SW5 Load cells power supply Selection SW6 SW7 5V or 15V MC521 gb 0330 SERVICE MANUAL MCS2000 IS Page 9 12 WARNER ELECTRIC Factory setting SW6 SW7 ROTATIVE SWITCH SW3 Pos A1 to A10 Factory setting A10 Input slope selection for US SENS DV dt polarity compensation SW1 To get output decreasing on terminal 9 with input increasing on terminal 13 Factory setting SW2 Togetoutput decreasing on terminal e 19 with input i
3. Select one channel and put a jumper on the input of the non active channel Eg Channel 1 active Ft Turn the switch to 2 e Apply the max load to the shaft e Adjust P1 to get the bargraph fully lit up 10V Turn the switch to e Apply the min load just the own weight of the shaft e Adjust P3 to get the bargraph just turned off Turn the switch to A7 e Apply the max load to the shaft e Adjust P1 to get the bargraph fully lit up Two load cells P In description here below Load max weight of the shaft load created by the tension Load min weight of the shaft 1 1 Ft 1 Select the first channel to set Select channel 1 first 2 Turn the switch to A2 first channel e Apply the max load to the shaft e Adjust P1 to lit up the first 5 digits of the bargraph Turn the switch to A3 e Apply the min load just the own weight of the shaft e Adjust P3 to get the bargraph just turned off Turn the switch to A5 second channel e Apply the max load to the shaft e Adjust P2 to lit up the first 5 digits of the bargraph Turn the switch to AG e Apply the min load just the own weight of the shaft e Adjust P4 to get the bargraph just turned off Turn the switch to A7 e Apply the max load to the shaft e Adjust P5 to get the bargraph fully lit up Page 8 12 SERVICE MANUAL MCS2000 IS MC521 gb 0330 WARNER ELECTRIC MCS2000 IS Layout Main components location Green led power indicator ON when 24V applied
4. 1 Amplifier channel 1 AMP 2 Amplifier channel 2 MC521 gb 0330 SERVICE MANUAL MCS2000 IS Page 11 12 WARNER ELECTRIC Your distributor Ihr Vertriebshandler Votre distributeur Page 12 12 SERVICE MANUAL MCS2000 IS Warner Electric WARNER ELECTRIC EUROPE BP 20095 F 49182 St Barth lemy d Anjou Cedex Tel 33 0 2 41 21 24 24 Fax 33 0 2 41 21 24 00 www warnerelectric eu com MC521 gb 0330
5. in the web The tension in the web is creating a resultant force Ft which sensing has to be reported to the force sensing direction direction So far the force sensing direction is placed in same direction as the web tension resultant the force applied to the measure system is Ft 2 T cos A 2 The max force applied on the system measurement then is F Ft P 2T cos A 2 P cosB Security coefficient Depending of the machine type the system measurement has probably to support or to measure some force surges We generally introduce in the formula a security coefficient K sensing The final formula Fc 2 cos A 2 cos direction The above formula is valid for the system measurement Depending of the mechanical montage the result Fc has to be divided by 2 See current case here below T Max tension in the web P Weight of the sensing shaft Vertical sensing direction angle Ft A Web wrapping angle Ft Max force applied to the sensing system i Fc Max force applied to the sensing system with security coeff K Security coeff taking account force surges and unbalanced force distribution when using 2 load cells Ft Usually comprised between 1 2 and 1 5 MC521 gb 0330 SERVICE MANUAL MCS2000 IS Page 7 12 WARNER ELECTRIC Load cell setting One load cell In description here below Load max weight of the shaft load created by the tension Load min weight of the shaft
6. 15 VDC 3 positive load cell signal input 1 4 5 or 15 VDC MC521 gb 0330 SERVICE MANUAL MCS2000 IS Page 5 12 Available 0 10V for remote display or other WARNER ELECTRIC Bloc schematic Load cell power supply selection 5Vor 15V Factory setting 5V i O 24 VDC in 21 NE er POWER Ground 0V 22 SUPPLY SUPPLY Green LED UE1 5V out 8 CELL 1in7 CELL 1 in 6 o UE1 5V out 5 Bargraph 10 digits 11 CELL SUM out UE2 5V out 4 o CELL 2 in 3 o CELL 2 in 2 O UE2 5V out 1 O 4 Rotative switch for setting and P4 selection A1 to A10 gt 10 SELECTED out US SENS 13 9 18 Ground 0V 14 IN2 in 17 15 i 19 IN1 in 16 Pet l Page 6 12 SERVICE MANUAL MCS2000 IS MC521 gb 0330 WARNER ELECTRIC The load cells Rating selection You have to consider three important factors to size a load cell correctly the own weight of the shaft the max tension in the web the web wrapping angle related to the defined resultant force on the load cell It s always better to place the force sensing direction indicated by manufacturer in the web resultant force direction Weight of the shaft The weight of the shaft P always create a vertical force The effect of this force has to be reported to force sensing B direction P P P cosB Max tension
7. VDC max curent 100 mA short circuit protected US SENS OUT 9 OUT Calibrated signal 0 10 VDC 10 mA short circuit protected SELECTED OUT 10 OUT Selection 9 or 11 0 10 VDC 10 mA short circuit protected CELL SUM 11 OUT Calibrated 0 10 VDC 10 mA short circuit protected load cell 24VDC SENS 12 OUT 24 VDC max current capacity 300 mA US SENS 13 IN Ultrasonic Input impedance 10 kQ Delta max 9 VDC or other min 1 VDC 0 VDC connect to Ground GROUND 14 General ground of the circuitry GROUND 15 General ground of the circuitry IN 1 16 IN For dV dt Input impedance 10 kQ max 10 VDC compensation IN 2 17 IN External access Input impedance 10 kQ max 10 VDC IN 3 18 IN External access Input impedance 10 max 10 VDC VREF 19 OUT SumIN1 2 Max 10 VDC 10 mA short circuit protected 20 24 VDC 21 IN Main supply Power supply board 24 VDC 2 V Capacity 300 mA output 12 GROUND 22 V for power supply input SWITCHES SW1 to SW7 See explanation pages 9 and 10 POT G1 P1 Gain load cell 1 max 1000 min 450 POT G2 P2 Gain load cell 2 max 1000 min 450 POT O1 P3 Offset load cell 1 5V POT 02 P4 Offset load cell 2 5V POT G TOT P5 Gain load cell 1 2 max gain 2 min gain 1 POT P6 Gain on dV dt correction 0 to 10 V POT 0 P7 Offset for US SENS input 13 max 2 5 V POTG P8 Gain for US SENS input 13 max 5 min 1 POT 9 Gain for SELECTED OUT output 10 max 1 1 min 0 2 AMP
8. WARNER ELECTRIC MCS2000 IS INTERFACE FOR LOADCELL AND ULTRASONIC SENSORS USER MANUAL Warner Electric WARNER ELECTRIC EUROPE T l 33 0 2 41 21 24 24 Fax 33 0 2 41 21 24 00 www warnerelectric eu com MC521 gb 0330 SERVICE MANUAL MCS2000 IS Page 1 12 WARNER ELECTRIC Table of content LOS 972 00 0 d eee ee eee eee eee eee 1 Interface for Loadcell and Ultrasonic 1 General description 87 3 Amplifier with averaging function for two load 3 Ultrasonic calibration stage with derivative compensation 3 Typical MCS2000 IS 4 In closed loop as load cell amplifier for unwinding 4 As tension indicator in open 4 As reference for open loop control in the unwind system 4 Typical applications and bloc rene nennen nnne 5 Unwind system in open loop with ultrasonic 5 MCS2000 IS with 2 load cells and 52000 5 Bloc sche mati ira 6 Th load 7 Rating SEISGUON mE EEUU 7 Load 7
9. esent manual will provide all information about the installed functions Ultrasonic calibration stage with derivative compensation One ultrasonic sensor or any other voltage source can be connected to the unit The calibration stage is able to provide an output signal 0 10 V whatever the input voltage change provided this input variation is at least 1 V regardless polarity slope but necessarily comprised into the range 0 10V An output stage is installed where the calibrated signal can be added to other information such a dV dt compensation signal This function is mainly used when the MCS2000 IS is used in open loop with roll diameter measurement The line speed dV dt can be added or subtracted to the main signal during acceleration and deceleration The block schematic will inform you about the complete functions of the unit As the MCS2000 IS unit must be installed as close as possible from load cells it has been voluntary built in a rugged housing allowing its installation on the machine frame MC521 gb 0330 SERVICE MANUAL MCS2000 IS Page 3 12 WARNER ELECTRIC Typical MCS2000 IS application In closed loop as load cell amplifier for unwinding system Tension in the WEB is measured with 2 load cells The interface IS amplifies the 2 signals coming from the load cells and delivers an averaged value of the tension to the closed loop controller One digital indicator shows in continue the measured value to the operator One remote
10. indication is possible too MCS2000 IS As tension indicator in open loop Simple example where the tension in the WEB is measured by a load cell and just displayed MCS2000 IS is calibrated to deliver a 0 10 V signal to an appropriate display MCS2000 IS As reference for open loop control in the unwind system The diameter of the roll is measured by an ultrasonic sensor The MCS2000 IS is calibrating this signal and translate it into a true diameter information The line speed information delivered y the tacho generator is used to create a dV dt compensation during the acceleration and deceleration phases An external potentiometer P is used to set the desired tension in the WEB Page 4 12 SERVICE MANUAL MCS2000 IS MC521 gb 0330 WARNER ELECTRIC Typical applications and bloc schematic Unwind system in open loop with ultrasonic sensor Master machine speed Ground 0V 14 19 VREF 15 Ground 0V US SENS 130 US SENS OUT 9 p IN3 18 Air brake Ground 0V 14 alternative Q 21 nde line speed info Final tension pot setting External 24 VDC or MCS2000 PS OV 24V 5 5 or 15 VDC K 7 positive load cell signal input VY 8 5 or 15 VDC 10 Sens In 159 D OV A o 25 2 negative load cell signal input 0 MCS2000 ECA 6 negative load cell signal input 1 5 or
11. ncreasing on terminal 16 e D get output increasing terminal 9 i inputa with input decreasing on terminal 13 To get output increasing on terminal 19 EN with input decreasing on terminal 16 Factory setting Load cell power supply Load cell amplifier gain range SW6 e 5 Factory setting UCELL1 SW4 e High gain SW7 Ce 5V Factory setting UCELL2 SW5 e High gain SW6 ENEES 15V UCELL1 SW4 Low gain SW7 j UCELL2 SW5 Low gain Page 10 12 SERVICE MANUAL MCS2000 IS MC521 gb 0330 WARNER ELECTRIC Inputs Outputs Setting specification Block schematic gt Information Specification reference UE2 1 OUT Power load cell 2 5 15 VDC max curent 100 mA short circuit protected CELL 2 2 IN Signal load cell 2 Negative input impedance 5kQ max gain 1000 CELL 2 3 IN Signal load cell 2 Positive input impedance 5kQ max gain 1000 UE2 4 OUT Power load cell 2 5 15 VDC max curent 100 mA short circuit protected UE1 5 OUT Power load cell 1 5 15 VDC max curent 100 mA short circuit protected CELL 1 6 IN Signal load cell 1 Negative input impedance 5kQ max gain 1000 CELL 1 7 IN Signal load cell 1 Positive input impedance 5kQ max gain 1000 UE1 8 OUT Power load cell 1 5 15

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