SMC Networks LER50E Series User manual

Doc.no.LER0-OM00305
PRODUCT NAME
Electric Rotary Table
/Battery-less Absolute Encoder Type
MODEL / Series / Product Number
LER50E Series
#This manual describes the dedicated terms for “LER50E”.
Refer to the manual of LER series about other details.
#Refer to the manual relevant to the controller being used for full operating instructions.
Controller
ＪＸＣ□1 Series

-1-
Contents
Safety Instructions..........................................................................2
１．Specification...........................................................................4
２．How to order...........................................................................5
３．Specific product precautions..................................................5

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LER50E Series / Electric Rotary Table
Safety Instructions
These safety instructions are intended to prevent hazardous situations and/or equipment damage.
These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.”
They are all important notes for safety and must be followed in addition to International Standards
(ISO/IEC)*1) , and other safety regulations.
*1) ISO 4414: Pneumatic fluid power -- General rules relating to systems.
ISO 4413: Hydraulic fluid power -- General rules relating to systems.
IEC 60204-1: Safety of machinery -- Electrical equipment of machines .(Part 1: General requirements)
ISO 10218: Manipulating industrial robots -Safety.
etc.
Caution
Caution indicates a hazard with a low level of risk which, if not avoided, could result
in minor or moderate injury.
Warning
Warning indicates a hazard with a medium level of risk which, if not avoided, could
result in death or serious injury.
Danger
Danger indicates a hazard with a high level of risk which, if not avoided, will result
in death or serious injury.
Warning
1. The compatibility of the product is the responsibility of the person who designs the equipment or
decides its specifications.
Since the product specified here is used under various operating conditions, its compatibility with specific
equipment must be decided by the person who designs the equipment or decides its specifications based on
necessary analysis and test results.
The expected performance and safety assurance of the equipment will be the responsibility of the person who
has determined its compatibility with the product.
This person should also continuously review all specifications of the product referring to its latest catalog
information, with a view to giving due consideration to any possibility of equipment failure when configuring the
equipment.
2. Only personnel with appropriate training should operate machinery and equipment.
The product specified here may become unsafe if handled incorrectly.
The assembly, operation and maintenance of machines or equipment including our products must be
performed by an operator who is appropriately trained and experienced.
3. Do not service or attempt to remove product and machinery/equipment until safety is confirmed.
1.The inspection and maintenance of machinery/equipment should only be performed after measures to
prevent falling or runaway of the driven objects have been confirmed.
2.When the product is to be removed, confirm that the safety measures as mentioned above are implemented
and the power from any appropriate source is cut, and read and understand the specific product precautions
of all relevant products carefully.
3. Before machinery/equipment is restarted, take measures to prevent unexpected operation and malfunction.
4. Contact SMC beforehand and take special consideration of safety measures if the product is to
be used in any of the following conditions.
1. Conditions and environments outside of the given specifications, or use outdoors or in a place exposed to
direct sunlight.
2. Installation on equipment in conjunction with atomic energy, railways, air navigation, space, shipping,
vehicles, military, medical treatment, combustion and recreation, or equipment in contact with food and
beverages, emergency stop circuits, clutch and brake circuits in press applications, safety equipment or
other applications unsuitable for the standard specifications described in the product catalog.
3. An application which could have negative effects on people, property, or animals requiring special safety
analysis.
4.Use in an interlock circuit, which requires the provision of double interlock for possible failure by using a
mechanical protective function, and periodical checks to confirm proper operation.

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LER50E Series / Electric Rotary Table
Safety Instructions
Caution
The product is provided for use in manufacturing industries.
The product herein described is basically provided for peaceful use in manufacturing industries.
If considering using the product in other industries, consult SMC beforehand and exchange
specifications or a contract if necessary.
If anything is unclear, contact your nearest sales branch.
Limited warranty and Disclaimer/Compliance Requirements
The product used is subject to the following “Limited warranty and Disclaimer” and “Compliance
Requirements”.
Read and accept them before using the product.
Limited warranty and Disclaimer
1.The warranty period of the product is 1 year in service or 1.5 years after the product is
delivered,whichever is first.2)
Also, the product may have specified durability, running distance or replacement parts. Please
consult your nearest sales branch.
2. For any failure or damage reported within the warranty period which is clearly our responsibility,
a replacement product or necessary parts will be provided.
This limited warranty applies only to our product independently, and not to any other damage
incurred due to the failure of the product.
3. Prior to using SMC products, please read and understand the warranty terms and disclaimers
noted in the specified catalog for the particular products.
2) Vacuum pads are excluded from this 1 year warranty.
A vacuum pad is a consumable part, so it is warranted for a year after it is delivered.
Also, even within the warranty period, the wear of a product due to the use of the vacuum
pad or failure due to the deterioration of rubber material are not covered by the limited
warranty.
Compliance Requirements
1. The use of SMC products with production equipment for the manufacture of weapons of mass
destruction(WMD) or any other weapon is strictly prohibited.
2. The exports of SMC products or technology from one country to another are governed by the
relevant security laws and regulation of the countries involved in the transaction. Prior to the
shipment of a SMC product to another country, assure that all local rules governing that export
are known and followed.
Caution
SMC products are not intended for use as instruments for legal metrology.
Measurement instruments that SMC manufactures or sells have not been qualified by type approval tests
relevant to the metrology (measurement) laws of each country.
Therefore, SMC products cannot be used for business or certification ordained by the metrology
(measurement) laws of each country.
! Caution
SMC products are not intended for use as instruments for legal metrology.
Measurement instruments that SMC manufactures or sells have not been qualified by type approval tests
relevant to the metrology (measurement) laws of each country.
Therefore, SMC products cannot be used for business or certification ordained by the metrology
(measurement) laws of each country.

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１．Specification
LER*50EK LER*50EJ
LER*
50EK-2
LER*
50EK-3
LER*
50EJ-2 LER*
50EJ-3
180 90 180 90
7.5 12
10 6.6
5 3.3
0.13 0.05
20 to 280 30 to 420
20 30
Basic type
High precision type
Basic type
High precision type
Basic type
High precision type
Basic type
High precision type
Basic type
High precision type
Basic type
High precision type
Basic type
High precision type
Basic type 2.5 2.6 2.5 2.6
High precision type 2.7 2.8 2.7 2.8
296
Actuation type
Special worm gear + Belt drive
±0.1
±0.05
Lost motion[°]
0.3 or less
0.2 or less
Impact/Vibration resistance[m/sec2]
Positioning repeatability[°]
±0.03
Repeatability at the end[°]
±0.01
Rotation angle[°]
320
Lead[°]
Max. Pushing Torque[N･m]
Angular Speed[°/sec]
7.5
3.3
5
Max.Moment of lnertia[kg･m2]
0.13
0.05
Range of external stopper[°]
-
±2
Max. Rotation Torque[N･m]
10
6.6
12
30 to 420
Pushing speed[°/sec]
3000
±0.2
20 to 280
20
30
Max. angular acceleration/deceleration[°/sec2]
Backlash[°]
Electric specification
Encoder
Battery-less absolute
(4096 pulse/rotation)
Moment
[N･m]
150/30
9.7
12
Max. Operating frequency[c.p.m]
60
Thrust load
/Push[N]
398
517
Thrust load
/Pull[N]
Actuator specification
Model
Step motor (Servo 24VDC)
Power consumption[W]/
Standby power consumption when operating[W]
34 / 13
Max. instantaneous power consumption[W]
57
Power supply[V]
24 VDC ± 10%
Operating temperature range[℃]
5 to 40
Table allowable load
Radial load
[N]
314
378
Operating humidity range[％RH]
90 or less (No condensation)
Weight[kg]
2.2
2.4
Motor size
□42
Motor type
Note1) Please refer to the catalog for the detail and note.

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２．How to order
(1) Table accuracy (7) Actuator cable type / length[m]
Nil Nil
HR1 1.5m
R3 3m
(2) Size R5 5m
50 R8 8m ※1
RA 10m ※1
(3) Motor type RB 15m ※1
RC 20m ※1
※1 Produced upon receipt of order
(Robotic cable only)
(4) Max.rotating torque[N・m] (8) Controller / Driver
KHigh torque 10
Refer to the catalog for Controller / Driver
JBasic 6.6
(5) Rotation angle[°]
Nil
2
3
(6) Motor cable entry
Nil
L
Basic type
Without cable
High precision type
Robotic cable
(Flexible cable)
320
Entry on the left side
Basic（entry on the right side）
External stopper：180
External stopper：90
Step motor with Battery-less
Absolute Encoder
(Servo / 24VDC)
E
LER * 50 E * - * * - * * C * 1 * *
(1) (2)
(3)
(4) (5) (6)
(8)
(7)
Caution
The actuator and controller are sold as a package.
Confirm that the combination of the controller and actuator is correct.
＜Check the following before use.＞
*1 Check the actuator label for the model number.
This number should match that of the controller.
３．Specific product precautions
About precautions for installation of actuator, refer to [Specific precautions for Battery-less absolute
encoder] that is described in the manual of used controller.
*1
LER50EJ-2

Revision history
4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN
Tel: + 81 3 5207 8249 Fax: [phone]
URL https://www.smcworld.com
Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.
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