Lenord+Bauer GEL 203 Series Mounting Instructions Download Page 29

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Bauer 9

Technical

data

Specifications

GEL 235/235x/203x

9 Technical

data

9.1 Specifications

The specifications for the particular encoder can be found in the Product Information
supplied with the encoder and in the Technical Information data sheet that can be
downloaded from the BAUER website (

→

www.lenord.de

For the GEL 235 Ex design, different or complementary details apply in

some cases (

→

separate document).

9.2 Dimensional

drawings

9.2.1 GEL

235

Synchro flange

Ø 42

±0.1

3x 120°

Ø 58

Ø 53.8

Ø 50

D 6 10
L 10 20

deep

3x M4 / 7 tief

Clamping flange

deep

Ø 58

Ø 53.8

Ø 36

Ø 48

±0.1

3x 120°

5°

3x M4 / 7 tief

D 6 10 12
L 10 20 20

Summary of Contents for GEL 203 Series

Page 1: ...Right to technical changes and errors reserved 2012 07 D 02M Abs2x 1 2 Absolute Rotary Encoders GEL 235 235x 203x Single Multiturn SSI Analog Fieldbus Interface Mounting Instructions ...

Page 2: ...5x 203x Device manufacturer and publisher Lenord Bauer Co GmbH Dohlenstraße 32 46145 Oberhausen Deutschland Phone 49 208 9963 0 Fax 49 208 676292 Internet www lenord de E Mail info lenord de Doc no D 02M Abs2x 1 2 ...

Page 3: ...routing 8 2 5 4 Mechanical overload of the bearings 8 2 5 5 Saving battery power GEL 2035 multiturn only 9 2 6 EMC notes 9 3 Description 11 3 1 Task 11 3 2 Construction 11 3 3 Function 11 3 4 SSI data output 12 3 5 Adjustment possibilities 12 4 Mounting 13 4 1 Check fixture 13 4 2 Mount encoder 13 4 2 1 Synchro flange 14 4 2 2 Clamping flange 14 4 2 3 Semi hollow shaft 16 4 2 4 Flex flange GEL 203...

Page 4: ... 203x 6 2 Disposal 26 7 Maintenance 27 8 Malfunctions 28 9 Technical data 29 9 1 Specifications 29 9 2 Dimensional drawings 29 9 2 1 GEL 235 29 9 2 2 GEL 2351 2352 31 9 2 3 GEL 203x 33 9 3 Mounting accessories 34 9 4 Manufacturer s declaration 36 ...

Page 5: ...uctions on to each following owner or user of the product Insert all additions received from the manufacturer Failure to follow these Mounting Instructions may result in damage to the product which may result in its failure to operate as intended 1 2 Validity These Mounting Instructions apply to the standard design of the product This includes all types that are n o t marked with a Y behind the pr...

Page 6: ...rm of the term absolute rotary encoder SW 17 Schlüsselweite A F 17 mm 2 3 inch M4 Metric general purpose thread with 4 mm diameter 1 6 Symbols signal words notes The following symbols signal words and notes are used in these operating instructions so that you can recognize particular information faster Note about a possible danger Failure to follow can cause death or severe injuries Note about a d...

Page 7: ...ollowing requirements are met Installation operation maintenance and removal tasks are only performed by trained electricians under the supervision of an electrical engineer Personnel has received training in electromagnetic compatibility and in handling electrostatic sensitive devices Provide personnel with all applicable accident prevention and safety regulations Ensure that personnel is familia...

Page 8: ... the life of the bearing Seal unused connector sockets by a cap or dummy bus termination connector to keep the specified protection class 2 5 2 Electrostatic discharge Electrostatic discharge can destroy the electronic components Only touch the plug pins and connection wires with suitable body grounding for example using an ESD armband 2 5 3 Cable routing The connection cable can be damaged if it ...

Page 9: ...s sense in those situations mentioned above 2 6 EMC notes To improve the electromagnetic environment please heed the following installation notes Use only plugs with a metal housing or a housing of metallized plastic as well as screened cables Connect the screen if provided in the screening concept to the connector housing Apply the screens across a large area Keep all unscreened cables as short a...

Page 10: ...al equalization for the sensor into the overall screening concept Lay signal and control lines spatially separated from the power cables If this is not possible then use pair stranded and screened cables and or lay the encoder cable in a steel conduit Make sure that external protective measures against surges are taken EN 61000 4 5 ...

Page 11: ...ver 2 Encoder housing 3 Torque support 4 Clamping ring 5 Semi hollow shaft 6 PRESET button opening on the back side optional 3 3 Function The sensing principle of the GEL 235 and GEL 235x is based on a touchless magnetic scanning of a ferromagnetic steel disk contour disk Magneto resistive sensors scan three slightly offset tracks and deliver corresponding sinusoidal signals The phase po sition of...

Page 12: ...rol loop 3 4 SSI data output The maximum clock frequency of 2 MHz applies only for very short transmission cables For longer cables there arise the following limitations Cable length up to Max clock frequency Cable length up to Max clock frequency 50 m 400 kHz 200 m 200 kHz 100 m 300 kHz 400 m 100 kHz The data and clock lines must be twisted and screened in pairs There must be a clock pulse space ...

Page 13: ...with washers possibly eccentric disks see also section Mounting accessories page 34 the length of the screws depends on the wall thickness of the encoder fixture depth of the drilling holes in the encoders is 7 mm Sealant for mounting screws if clearance holes are used recommended Loctite 542 Danger of injury due to rotating shafts Hair and clothing can get caught in the rotating shafts Before all...

Page 14: ...e no step by step instructions for installation will be provided here but rather only a graphic overview of some usual mounting possibilities mainly for GEL 235 For the other encoders similar procedures are applicable 4 2 1 Synchro flange Mounting on a system side housing wall using clamping pieces 4 2 2 Clamping flange Mounting on a system side housing wall ...

Page 15: ...Lenord Bauer 4 Mounting Mount encoder GEL 235 235x 203x 15 Attachment on a mounting bracket accessory part from LENORD BAUER Mounting using a clamping device ...

Page 16: ...using four cross head screws 1 tightness 1 Nm Push the clamping ring loosely onto the semi hollow shaft 2 Push the encoder onto the drive shaft and screw the torque support onto the fixture Jam the clamping ring with the M3 Allen screw tightness 1 Nm 1 2 4 3 5 6 1 2 3 4 5 6 Drive shaft Fixture Semi hollow shaft Torque support Clamping ring Encoder ...

Page 17: ...er 1 Turn the encoder slightly until its three M4 threaded holes fit the corresponding bore holes in the Flex flange 2 Join both parts by means of three cylinder head screws 3 tightness 2 5 Nm Mount the unit to the designated fixture customer specific 1 2 3 4 5 1 2 3 4 5 Encoder shaft Fixing screws Customer specific fixture Flex flange Encoder ...

Page 18: ... on the back side of the interface cover Prepare the cable gland bus cable and supply cable only PROFIBUS as follows and mount 55 mm 8 mm 12 mm 6 Nm After performing the connection work connect the interface cover and encoder Tighten 2 screws on the back side of the interface cover Check the housing seal to ensure that it is seated correctly Seal bushings that are not needed with a blind cover ...

Page 19: ...unting Lay cable GEL 235 235x 203x 19 4 4 Lay cable Lay the cable paying attention to the EMC notes page 9 Seal unused connector sockets by a cap or dummy bus termination connector to keep the specified protection class ...

Page 20: ... are not used assigned to GND Connect the encoder Supply the encoder with voltage 5 1 1 SSI 8 pole connector M12 GEL 2352 Pin Signal Explanation 1 GND Ground 2 PRESET Set actual value to centre of measurement range 3 DATA Output Differential data signal according to RS 485 4 DATA 5 CLOCK Input Differential clock signal according to RS 485 6 CLOCK 7 VS Supply voltage 8 CW CCW Direction of rotation ...

Page 21: ...1 5 green SIN 6 violet COS 7 black COS 8 rot UB Supply voltage 9 pink PRESET Set actual value to centre of measurement range 10 white DATA Output Differential data signal according to RS 485 11 red blue CLOCK Input Differential data signal according to RS 485 12 grey CW CCW Direction of rotation inversion 1 Direction of rotation flange side view GND default ascending clockwise CW VS ascending coun...

Page 22: ...l data signal according to RS 485 GND 10 Ground VS 11 Supply voltage PRESET 12 Set actual value to centre of measurement range 13 S2 siehe Bild weiter unten 14 S1 CLOCK 15 Input Differential data signal according to RS 485 DATA 16 Output Differential data signal according to RS 485 17 not connected 1 2 10 3 4 1 1 9 8 12 7 6 5 13 14 15 16 17 Connector socket pins connection side view Resolver circu...

Page 23: ...ction check outside of system operation the evaluation electronics used must support the display of the position values Otherwise a separate counter with SSI input for the analog variant with voltage or current measurement input appropriate volt age supply and clock signal output SSI is required Make sure that the encoder is connected correctly to the operational evaluation electronics or a separa...

Page 24: ...voltage VS to the PRESET input of the connector for at least 0 1 s For encoders with optional PRESET button Depress the button through the opening in the back side with a dull point e g a match Example for an analog encoder U I U I 10 V 20 mA 5 V 12 mA 0 V 4 mA Pos Pos Z P Min Max P Min Max PRESET Pos Position of the machine axis Min Max Working range of the machine arbitrary determination P PRESE...

Page 25: ...specification on the x axis is selected arbitrarily Iout Output signal 4 20 mA T_Low T_High Positions in which the teach in signal with the same name is set The output signal graph is now compressed between the two teach in points along the position axis This setting is saved permanently until a new teach in procedure is trig gered 5 3 3 Counting direction SSI analog If when looking at the encoder...

Page 26: ...d in order to prevent damage to the electronic components due to electrostatic discharge Unplug the connection of the encoder Make the connection cable accessible Loosen the coupling connection Loosen and remove the mounting screws of the encoder Remove the encoder from the drive shaft GEL 2035 multiturn only If applicable put the encoder in the sleep mode to save battery power see section 2 5 5 6...

Page 27: ... damage and to ensure their tight fit Check all screws couplings and clamping elements as well as cable entries to ensure a tight fit Ex design Check that the guidelines according to EN 60079 19 EN 60079 17 and EN 61241 17 are adhered to 1 Clean the encoder see further below If necessary not Ex Change the plug not component of the scope of supply Con sider that when so doing you must shorten the l...

Page 28: ...ction defective Check all electrical connections between the encoder and the power supply as well as the eval uation electronics to ensure that they are correct contact is se cure and they are dry Measurement range outside of the required po sitioning range Measurement range not set correctly preset function or shifted due to slip in the shaft connection Check the shaft coupling for cor rect clamp...

Page 29: ... Information data sheet that can be downloaded from the LENORD BAUER website www lenord de For the GEL 235 Ex design different or complementary details apply in some cases separate document 9 2 Dimensional drawings 9 2 1 GEL 235 Synchro flange Ø 42 0 1 3 x 1 2 0 3 L 4 3 Ø 58 Ø 53 8 Ø 50 D 45 D 6 10 L 10 20 deep 3x M4 7 tief Clamping flange deep Ø 58 Ø 53 8 45 3 10 L 3 D Ø 36 g7 Ø 48 0 1 3 x 1 2 0 ...

Page 30: ...x 203x Semi hollow shaft deep 3 3 7 5 Ø 58 Ø 52 45 10 29 Ø 42 0 1 3 x 1 2 0 Ø 15 0 1 3x M3 5 tief 1 Nm 2 Connection variants P PRESET button 22 4 57 4 P Radial connector socket 22 4 P Axial connector socket 9 5 25 P axialflex cable outlet 18 SW17 P Axial cable gland ...

Page 31: ...ø58 3 x 120 3 x 120 3 x 120 deep 5 3x M4 7 tief Interface cover example for PROFIBUS DP 9 2 2 GEL 2351 2352 Synchro flange Ø 10 f7 3 x 120 Ø 42 Ø 58 M12 x 1 Ø 50 Ø 50 g7 3 30 54 4 6 10 deep 3 x M4 7 tief Clamping flange 3 x 120 Ø 58 M12 x 1 24 10 3 Ø 48 Ø 36 g7 10 deep 3 x M4 7 tief Ø 53 8 Ø 10 f7 20 ...

Page 32: ...d Bauer Dimensional drawings 32 GEL 235 235x 203x Semi hollow shaft only GEL 2352 and GEL 2035 1 Nm 2 3 3 ø 15 20 R 31 5 13 6 ø 58 ø 56 3 37 8 49 3 Single turn 53 8 3 ø 58 ø 56 5 42 3 50 8 3 3 ø 15 20 R 31 5 1 Nm 2 Multiturn ...

Page 33: ...3x Clamping flange 3x 120 10 Ø 36 g7 3 6 19 Ø 10 f7 9 A 5 Ø 58 Ø 48 0 1 57 4 13 6 Ø 53 8 3x M4 7 tief deep Measure A mm Typ GEL 2035 GEL 2037 SSI 44 9 52 8 SSI Resolver 63 1 Heavy duty flange 69 7 Clamping flange with target wheel adaptor ø 35 4 9 29 9 13 30 3 x 1 2 0 3x M8 3x M8 Ø 2 3 ...

Page 34: ...x 120 10 Ø 36 g7 3 6 19 Ø 10 f7 9 37 2 5 Ø 58 Ø 48 0 1 6000 20 Ø 53 8 3x M 4 7 tief deep 9 3 Mounting accessories For the encoder mounting LENORD BAUER offers the following accessories among others dimensions in mm Clamping elements KL200 3 pcs Ø 9 1 5 Ø 12 Ø 6 90 2 9 0 05 Ø 4 2 5 5 Metal coupling MK12 Ø D 5 0 7 M 4 9 0 D 6 1 5 Ø 2 6 Ø D ...

Page 35: ...5 D Mounting bracket MW52 8 5 6 5 4 5 1 2 2 2 5 1 0 4 5 7 1 0 5 0 8 4 Adaptor flange MF23501 Ø 48 3 x 120 Ø 58 Ø 50 f7 15 15 8 Adaptor flange MF23502 Ø 4 8 Ø 45 f7 10 Ø 65 Soft torque support FB23505 3 3 Ø 63 20 Hard torque support FB23504 3 3 Ø 63 20 Flex flange FB23507 FB23508 nur GEL 203x F L F Spring deflection 3 mm max force 160 300 N L 61 5 51 5 mm ...

Page 36: ...al data Lenord Bauer Manufacturer s declaration 36 GEL 235 235x 203x 9 4 Manufacturer s declaration You can find the manufacturer s declaration according to EMC Directive 2004 108 EU on our website www lenord de ...

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