EBOX SMB5, SMB2 SM5, SM2 MT50, MT20
Contents
1. 5Vde figure 12 7 2 Step by step procedure for resolution setup Turn the resolution seletion switch using an adeguate screwdriver By setting a position you EBOX SMB5 SMB2 SM MT 1 0 0125 mm 4 0 005 mm 2 0 025 mm 5 0 01 mm 3 0 05 mm 6 0 02 mm figure 13 8 Dimensional drawing 8 1 Rectangular sensor SM R SMB5 R SMB2 R series 96 86 D34 _ 034 DIREZIONE DI CONTEGGIO CRESCENTE 25 35 17 e Bho 48 8 2 Circular sensor SM C SMB5 C SMB2 C series M 10passo tmm m select the corresponding resolution after ii 20 si dua guadrature listed below an 30 i SELECT RESOLUTION F3 DIREZIONE DI of O teng B CONTEGGIO Q10 CI eevee 9 6 Rev 1 1 Pag 13 di 16 www lika it PH SYSTEMS www phsystems be sales phsystems be x Temuan RESOLUTION lt a CARRE TAY eos vwave Oka it o arts ot 21 3GND asiz Sx NG 9 Maintenance The magnetic measurement system doesn t need any particular maintenance but as with all precision devices it must be handled with care From time to time we recommend the following operations Check the gap between sensor and magnetic tape along the measuring length Wear of the machine may increase the tolerances The surface of the magnetic tape should occasionally be cleaned using a soft cloth to remove dust chips moisture etc 10 Troubleshooting The following list shows some typ2. cables e g drive cables Install EMC filters on sensor power supply if needed Avoid mounting sensor head near capacitive or inductive noise sources such as relays motors and switching power supplies Connect according to the supplied pin out 2 Identification The sensor can be identified by the label s data ordering code serial number This information is listed in the delivery document The technical features of the product can be determined by the ordering code see chap 11 Ordering code 2 1 Sensor and tape combinations Sensor Tape Resolution Gap max sensor tape SM5 MT50 5 um 2 1 mm SM2 M120 10 um 1 0 mm SMB5 MT50 10 um 2 1 mm SMB2 MT20 10 um 1 0 mm 3 Installation Install the product according to the protection level provided Protect the system against knocks friction solvents temperatures under 10 C 14 F and over 70 C 158 F Be sure that the system is mounted where hard or sharp objects e g metal chips do not come into contact with the magnetic scale and the bottom of the sensor head If these conditions cannot be avoided provide a wiper or pressurized air www lika it PH SYSTEMS www phsystems be sales phsystems be lika 4 Mounting instructions 4 1 Magnetic tape Total length of the magnetic tape should exceed measuring length at least 10 mm 0 4 each side The magnetic tape has been delivered in a roll and can be cut to the desired length with any sheet metal cutt
3. cations is same as for linear applications bee chap 4 1 1 The resolution of the system depends on the diameter of the tape See fig 9 for minimum radius of circular applications 4 2 Sensor mounting 4 2 1 Sensor type R rectangular Sensor can be fixed by means of two M3 screws over the buttonholes Make sure that the gap between sensor and tape is in respect with fig 1 along the total measuring length Avoid contact between the parts You can check planarity and parallelism between sensor and magnetic tape using a feeler gauge The max allowed gap is listed in chap 2 1 4 2 2 Sensor type C circular Series SM2 C SM5 C SMB2 C SMB5 C The sensor can be fixed in a corresponding mounting hole by means of the two nuts Make sure that the gap between sensor and tape is in respect with fig 1 along the total measuring length Observe the correct alignment of the marker on the tape Avoid contact between the parts You can check planarity and parallelism between sensor and magnetic tape using a feeler gauge The max allowed gap is listed in chap 2 1 www lika it PH SYSTEMS www phsystems be sales phsystems be lika 5 Output signals 3 LI Pl LI L o d LPP PP J PP REF figura 10 As the sensor is moved along the magnetic tape it detects the displacement and produces an output signal equivalent to that of a
4. e please ensure that the bending radius is not less than 350 mm 13 www lika it PH SYSTEMS www phsystems be sales phsystems be lika 4 1 2 Mounting with double backed adhesive tape and screws figure 5 Carry out the mounting procedure as per chapter 4 1 1 and additionally attach the tape on both ends only outside the measuring length with screws or rivets This is recommended only in contaminated environments where the tape may peel 4 1 3 Mounting in a groove figure 6 figure 7 Provide a groove on the mounting surface The tape can be installed in the groove fig 6 and simply fixed as described in chap 4 1 1 or completely covered fig 7 with nonmagnetic liquids e g Loctite liquid aluminum In this case installation of the protection tape is not necessary 4 1 4 Mounting with PS1 profile accessory figure 8 Step by step procedure Place the tape on the mounting surface and attach according to chap 4 1 1 The protection tape should not be mounted in this case Cover the tape with PS1 profile fig 8 and make attachment holes along the profile s groove without damaging the tape Fix the profile with screws or rivets Rev 1 1 Pag 11 di 16 EBOX SMB5 SMB2 SM MT Remember that the maximum allowed gap is between sensor and tape and NOT between sensor and profile surface 4 1 5 Mounting on circular surfaces figure 9 Mounting procedure for circularfangular appli
5. ical errors that occur during installation and operation of the magnetic measurement system Problem The system doesn t work no pulse output The tape or sensor has been mounted incorrectly the active part of the tape doesn t face the sensor s active side See chapter 4 for correct installation A magnetic piece or tape is in between the sensor and the tape Only non magnetic materials are allowed between sensor and tape Rev 1 1 Pag 14 di 16 EBOX SMB5 SMB2 SM MT The sensor touches the tape because tolerance gap between sensor and tape are not observed Check sensor s active side if damaged The sensor has been damaged by short circuit or wrong connection Problem The measured values are inaccurate The gap between sensor and tape is not observed along the total measurement length Check according to chap 4 The connection cable runs near to high voltage cable or shield is not connected correctly See chap 6 The max counting frequency of your receiving device is too low A section of the magnetic tape has been damage mechanically or magnetically along the measuring length The measuring error is caused by torsion of the machine structure Check parallelism and symmetry of machine movement 11 Ordering code 11 1 Sensor SM sensor SM2 SM5 Serie Series SM5 SM2 Sensore Sensor Rettangolare Rectang R Circolare Circular C Lunghezza cavo a richiesta XX Cable
6. ing tool Make sure that mechanical installation meets the system s requirements of planarity and parallelism between sensor and tape see fig 1 and chap 2 1 Attention The active side of magnetic tape black side however installed has to face the active part of magnetic sensor scale side D YOY 1D Marker Li Rev 1 1 Pag 10 di 16 EBOX SMB5 SMB2 SM MT 4 1 1 Mounting with the double sided adhesive tape figure 3 Use this installation for applications in clean environments with little contamination For mounting in highly contaminated places and under the effects of spray water use of liquid glue is recommended Step by step procedure AN 5 6 4 31 NO ld figure 4 Mounting surface 1 must be dry and clean in order to achieve secure bonding Remove short parts of the protection film 2 from the adhesive part of the tape 3 and adhere by pressing the tape firmly on the mounting surface Carefully clean the tape 4 Remove short parts of the protection film 6 from the stainless steel protection tape 5 and adhere by pressing firmly Attention For secure bonding oil grease moisture and dust must be removed without leaving residues Gluing should be carried out in dry environment and at temperatures between 20 C 60 F and 30 C 85 F When mounting the magnetic tap
7. l accept them otherwise the outputs should to be insulated Attention Connecting A B or O together to Vdc or OVdc may cause permanent damage to the converter All EBOX and SMB series have A A B B 0 O We recommend always connecting the inverted signals Notes While connecting power must be switched OFF Check correct connections before switching ON We recommend that the sensor head be mounted as far as possible from any capacitive or inductive noise source such as motors relays and switching devices Avoid routing the sensor cable near high voltage power cables in order to reduce influences of electric noise Only use shielded cables and wire with a cross section between 0 14mm and 0 5 mm www lika it PH SYSTEMS www phsystems be sales phsystems be lixa The shield of the cable and OVdc wire should be connected to ground GND Electric noise sources should be linked with noise suppression filters Total length of connection cable from sensor to receiving device should not exceed 50 m 551 7 Parameters setup only EBOX The following parameters can be setup manually output circuit resolution 7 1 Step by step procedure for output circuit setup open the EBOX cover by means of the four screws set the jumper as per fig 11 or fig 12 to the desired position close cover with screws A Push Pull output circuit 24Vdc figure 11 lt LI Line Driver output circuit
8. lenght on request Es 2 0 2 metri meters 11 2 EBOX XXXX X Serie Series EBOX Alimentazione Power supply 5Vdc 5 1 10Vdc 30Vdc 2 www lika it PH SYSTEMS www phsystems be sales phsystems be e li Ka EBOX SMB5 SMB2 SM MT Rev 1 1 Pag 15 di 16 www lika it PH SYSTEMS www phsystems be sales phsystems be e li Ya EBOX SMB5 SMB2 SM MT sun KA Lika Electronic Via S Lorenzo 25 36010 Carr VI Italy Tel 39 0445 382814 Fax 39 0445 382797 Italy eMail info lika it www lika it World eMail info lika biz www lika biz Rev 1 1 Pag 16 di 16 www lika it PH SYSTEMS www phsystems be sales phsystems be
9. lika User manual EBOX SMB5 SMB2 SM5 SM2 MT50 MI20 Description This manual describes products of the EBOX SMB5 SMB2 SM and MT series The purpose of these sensors is to measure linear or angular displacements on industrial machines and automation systems The measurement system includes a magnetic tape and a magnetic sensor The tape has alternating magnetic north south poles are magnetized at a certain distance called the pole pitch As the sensor is moved along the magnetic tape it detects the displacement and produces an output signal equivalent to that of an incremental encoder ora linear scale The flexibility of the tape allows it to be used for both linear and angular applications The sensor has to be matched with the appropriated magnetic tape see chap 2 1 gt gt a pee Oe EBOX SMx C SMx R Chapters Safety summary Identification Installation Mounting recommendations Output signals Electrical connections Parameters setup Dimensional drawing 9 Maintenance 10 Troubleshooting 11 Ordering code ON OOF WN Rev 1 1 Pag 9 di 16 EBOX SMB5 SMB2 SM MT 1 Safety summary We strongly recommend carefully reading this user manual and following the following installation guidelines Sensor head should be installed as close as possible to your control unit Always use shielded cables and twisted if possible Avoid running the sensor cable near high voltage power
10. n incremental encoder ora linear scale The signal output is proportional to the measuring speed and to the displacement of the sensor Resolution after quadrature can be setup by means of resolution selection switch see chap 7 2 Index signals are sent once per pole for the duration of a measuring resolution increment In connection with these signals and external sensors e g inductive proximity switches one reference point can thus be produced per external sensor The output circuit is Push Pull as per default but can be set to Line Driver according to instructions in chapter 7 1 6 Electrical connections 6 1 Electrical connections only for SMB5 and SMB2 series Output Color A yellow IA blue B green B orange 0 white 0 grey GND black Vde red Rev 1 1 Pag 12 di 16 EBOX SMB5 SMB2 SM MT Specifications of the cable Type Flexible cable according to VDEO295 Wires 6x0 14mm 2 x 0 24mm Diameter 0 5 2 mm 0 2 mm 0 2 in 0 01in Bend radius gt 55 mm gt 2 Movement max 60 m min max 65ft min Impedance 6x 145 0 2x87 Q 6 2 Electrical connections with DB9 pin conn only EBOX series a 5 Function A IA GND B IB 0 lo Vdc GND OoN O JO W N Notes All sensors have AquadB and inverted signals A A signal A inverted A signal or complementary signal if the receiving device wil
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