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Determining the 8LS order code

Bestellschlüssel Kopf 8LS DE

Cooling / Construction type (b)

Cooling type A

8LS three-phase synchronous motors with cooling type A are self-cooling and have a long, slim design. The motors must be installed on the cooling surface (flange).

Cooling type C

8LS three-phase synchronous motors with cooling type C are based on motors with cooling type A.

They are separately cooled and the only difference is a fan module mounted in the area of the B-side bearing.

Size (c)

8LS three-phase synchronous motors are available in seven different sizes (2 through 8). They have different dimensions (especially flange dimensions) and power ratings. These different sizes are indicated by a number represented by (c) in the model number. The larger the number, the larger the flange dimensions and power rating for the respective motor.

Type E is only available upon request.

  • Cooling type
    Available sizes
     
    2
    3
    4
    5
    6
    7
    8
    A
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    C
    -
    -
    Yes
    Yes
    Yes
    Yes
    Yes
    E
    -
    -
    Yes
    -
    Yes
    -
    Yes
Length (d)

8LS three-phase synchronous motors are available in up to eight different lengths. They have different power ratings with identical flange dimensions. These different lengths are indicated by a number represented by (d) in the model number. Since type E is only available upon request, only A and C are listed here.

  • Length
    Available sizes
     
    21)
    31)
    4
    5
    6
    7
    8
    3
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    4
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    5
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    6
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    7
    -
    Yes
    -
    Yes
    -
    Yes
    -
    8
    -
    -
    -
    -
    -
    Yes
    -
  • 1)
    Only for cooling type A
  • Length
    Available sizes
     
    2
    3
    4
    5
    6
    7
    8
    A
    -
    -
    -
    Yes1)
    -
    -
    -
    B
    -
    -
    -
    Yes1)
    -
    -
    -
    C
    -
    -
    -
    Yes1)
    -
    -
    -
  • 1)
    Only for cooling type C
Motor encoder systems

8LS three-phase synchronous motors are available with EnDat encoders as well as resolvers. The encoder system is listed as part of the model number in the form of a 2-digit code (ee).

A resolver is an analog encoder system. Resolvers are particularly robust against vibrations and high operating temperatures. A disadvantage is the low accuracy of 6-10 arcmin. Furthermore, no multi-turn variant with resolvers is possible.

Digital encoders use a serial transfer protocol. This protocol is called EnDat. The EnDat protocol is a developed standard that incorporates the advantages of absolute and incremental position measurement and also offers a read/write parameter memory in the encoder. The embedded parameter chip is stored by B&R in this encoder memory. This data and the B&R ACOPOS systems form a plug-and-play drive solution. Absolute positioning can be used within a revolution with the single-turn variants. A homing procedure is not required because of the absolute position measurement. For applications where the motor covers several revolutions for positioning, a multi-turn encoder that can save up to 65535 revolutions can be used. A solution with a single-turn encoder variant with a homing procedure is also possible. In EnDat 2.1 analog/digital sampling, a very fine resolution is achieved by the evaluation modules developed by B&R.

  • Encoder type / Order code
    E8
    E9
    D8
    D9
    S8
    S9
    Operating principle
    Inductive
    EnDat protocol
    2.1
    2.1
    2.2
    2.2
    2.2
    2.2
    Functional safety
    No
    No
    No
    No
    Yes
    Yes
    Single-turn / Multi-turn
    S
    M
    S
    M
    S
    M
    Revolutions
    1
    4096
    1
    4096
    1
    4096
    Number of lines
    32
    Digital pos. in the encoder
    Resolution
    [bits single-turn / bits multi-turn]
    18/0
    18/12
    19/0
    19/12
    19/0
    19/12
    Precision ["]
    280
    120
    Switching frequency ≥ [kHz]
    6
    Digital pos. in the encoder
    Vibration during operation - Stator
    Max [m/s2]
    200
    400
    Vibration during operation - Rotor
    max [m/s2]
    200
    600
    Shock during operation max [m/s2]
    1000
    2000
    Manufacturer's product ID
    ECI 1118
    EQI 1130
    ECI 1119 FS
    EQI 1131 FS
    ECI 1119 FS
    EQI 1131 FS
    Manufacturer's website
    www.heidenhain.de
  • Encoder type / Order code
    E4
    E5
    D4
    D5
    S4
    S5
    Operating principle
    Optical
    EnDat protocol
    2.1
    2.1
    2.2
    2.2
    2.2
    2.2
    Functional safety
    No
    No
    No
    No
    Yes
    Yes
    Single-turn / Multi-turn
    S
    M
    S
    M
    S
    M
    Revolutions
    1
    4096
    1
    4096
    1
    4096
    Number of lines
    512
    Digital pos. in the encoder
    Resolution
    [bits single-turn / bits multi-turn]
    13/0
    13/12
    25/0
    25/12
    25/0
    25/12
    Precision ["]
    60
    60
    20
    Switching frequency ≥ [kHz]
    190
    Digital pos. in the encoder
    Vibration during operation - Stator
    Max [m/s2]
    200
    Vibration during operation - Rotor
    Max [m/s2]
    200
    Shock during operation max [m/s2]
    1000
    Manufacturer's product ID
    ECN 1113
    EQN 1125
    ECN 1123 FS
    EQN 1337 FS
    ECN 1123 FS
    EQN1135 FS
    Manufacturer's website
    www.heidenhain.de
  • Encoder type / Order code
    EA
    EB
    DA
    DB
    SA
    SB
    Operating principle
    Inductive
    EnDat protocol
    2.1
    2.1
    2.2
    2.2
    2.2
    2.2
    Functional safety
    No
    No
    No
    No
    Yes
    Yes
    Single-turn / Multi-turn
    S
    M
    S
    M
    S
    M
    Revolutions
    1
    4096
    1
    4096
    1
    4096
    Number of lines
    32
    Digital pos. in the encoder
    Resolution
    [bits single-turn / bits multi-turn]
    19/0
    19/12
    19/0
    19/12
    19/0
    19/12
    Precision ["]
    180
    65
    Switching frequency ≥ [kHz]
    6
    Digital pos. in the encoder
    Vibration during operation - Stator
    Max [m/s2]
    200
    400
    Vibration during operation - Rotor
    max [m/s2]
    200
    600
    Shock during operation max [m/s2]
    2000
    2000
    Manufacturer's product ID
    ECI 1319
    EQI 1331
    ECI 1319 FS
    EQI 1331 FS
    ECI 1319 FS
    EQI 1331 FS
    Manufacturer's website
    www.heidenhain.de

The inductive encoders with product IDs "EA" and "EB" replace the encoder types with model numbers "E2" and "E3". These encoders should be used in all new applications.

The "EB" encoder type requires the following versions of our servo drives or inverter modules:

(ACP10_SYS or firmware version)

  • ACOPOS: Starting with V2.090 from 2008-09-18
  • ACOPOSmulti: Starting with V2.031 from 2008-01-17

For older basic versions of the ACOPOS firmware, using the new encoder is possible starting with V0.556 (from 2010-07-22) for ACOPOS with AC110 (CAN bus) and starting with V1.249 (from 2010-07-22) for ACOPOS with AC112/114.

  • Encoder type / Order code
    E0
    E1
    D0
    D1
    S0
    S1
    Operating principle
    Optical
    EnDat protocol
    2.1
    2.1
    2.2
    2.2
    2.2
    2.2
    Functional safety
    No
    No
    No
    No
    Yes
    Yes
    Single-turn / Multi-turn
    S
    M
    S
    M
    S
    M
    Revolutions
    1
    4096
    1
    4096
    1
    4096
    Number of lines
    512
    Digital pos. in the encoder
    Resolution
    [bits single-turn / bits multi-turn]
    13/0
    13/12
    25/0
    25/12
    25/0
    25/12
    Precision ["]
    60
    20
    Switching frequency ≥ [kHz]
    130
    Digital pos. in the encoder
    Vibration during operation - Stator
    Max [m/s2]
    300
    Vibration during operation - Rotor
    Max [m/s2]
    300
    Shock during operation max [m/s2]
    2000
    Manufacturer's product ID
    ECN 1313
    EQN 1325
    ECN 1325 FS
    EQN 1337 FS
    ECN 1325 FS
    EQN 1337 FS
    Manufacturer's website
    www.heidenhain.de

NOTE: Motors with "S encoders" (functional safety) cannot be combined with gearboxes!

NOTE: S encoders are currently not available for 8LASC5A/B/C motors.

Nominal speed (nnn)

8LS three-phase synchronous motors are available with up to six different nominal speeds depending on the size and length.

Cooling type A - Overview

  • Size
    Available nominal speeds nN [rpm]
     
    1500
    2000
    2200
    3000
    4500
    6000
    2
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    3
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    4
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    ---
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    5
    ---
    Yes
    Yes
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    6
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    7
    Yes
    Yes
    ---
    ---
    ---
    ---
    Yes
    Yes
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    8
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    Length
    5
    6
    7
    5
    6
    3
    4
    5
    6
    7
    3
    4
    5
    6
    7
    8
    3
    4
    5
    6
    7
    3
    4
    5
    6
    7

Cooling type C - Overview

  • Size
    Available nominal speeds nN [rpm]
     
    1500
    2000
    2200
    3000
    4500
    6000
    4
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    ---
    Yes
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    5
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    ---
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    6
    Yes
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    7
    ---
    ---
    Yes
    ---
    ---
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    8
    ---
    Yes
    Yes
    Yes
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    Yes
    Yes
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    ---
    Length
    4
    5
    6
    5
    6
    3
    4
    5
    6
    7
    A
    B
    C
    3
    4
    5
    6
    7
    8
    A
    B
    C
    3
    4
    5
    6
    7
    A
    B
    C
    3
    4
    5
    6
Connection direction (ff)

The uniform connection technology, the pre-assembled cables and the embedded parameter chip allow "plug and play" operation of the power transmission system. The angled connectors can be swiveled for maximum cabling flexibility. Thanks to the digital signal transmission, B&R's innovative and sturdy single-cable solution (hybrid motor cables) can be used, which combines servo feedback and power for streamlined installation. The winding insulation of motors with an attachment cable and servo drive from B&R are tested extensively in accordance with IEC TS 60034-25 limit curves and are certified by the TÜV in the area of safety technology.

In the case of motors with the single-cable solution (hybrid connector), the temperature signal is not transmitted via two separate lines as before. Instead, it is transmitted digitally via the encoder interface.

The following conditions must be met by the drives in order to operate a motor with a hybrid connector:

  • For ACOPOSmulti: the cable cover must be designed for operation with a hybrid cable (with cable cutout; delivered 2015 or later)
  • For ACOPOSmulti with SafeMOTION: the operating system (NC version) must be set to V2.48.0 or higher; the Safety Release must be V1.9 or higher
  • For all drives: the operating system (NC version) must be set to V2.42.2 or higher

NOTE: If the conditions listed above are not met, temperature evaluation on the drive will not work.

The 8LS series offers three connection type options.

  • Option "C": straight built-in connector, one each for power and signal
  • Option "D": Angled swivel built-in connector, one each for power and signal connection
  • Option "S": Single-cable solution with hybrid built-in connector for both power and signal
  • 8LSA3_Vergleich_Steckeroptionen Apr 2015
Oil seal (ff)

All 8LS three-phase synchronous motors are available with an optional Form A oil seal in accordance with DIN 3760.

When equipped with an oil seal, the motors have IP65 protection in accordance with EN 60034-5.

Proper lubrication of the oil seal must be ensured throughout the entire service life of the motor.

For this reason, mounting a gearbox on motors with an oil seal is not permitted!

Motor version (h)

The motor version is automatically specified by the configurator and can be seen in the technical data.

Order code motor options (ff)

The respective code (ff) for the order key can be found in the following table. Important: The combination "reinforced holding brake" with special motor option "reinforced A-side bearing" is not possible!

Motors with reinforced bearings cannot be combined with gearboxes!

For technical reasons, a standard brake and a reinforced brake are not available for the 8LSA5C.

  • Motor option
    Connection direction
    Oil seal
    Holding brake
    Shaft end
    Code for the order key (ff)
    Straight (top connector)
    No
    No
    Smooth
    C0
     
     
     
    Keyed
    C1
     
     
    Normal
    Smooth
    C2
     
     
     
    Keyed
    C3
      
    Reinforced
    Smooth
    C4
      
     
    Keyed
    C5
     
    Yes
    No
    Smooth
    C6
     
     
     
    Keyed
    C7
     
     
    Normal
    Smooth
    C8
     
     
     
    Keyed
    C9
      
    Reinforced
    Smooth
    CA
      
     
    Keyed
    CB
    Angled, swivel connector
    No
    No
    Smooth
    D0
     
     
     
    Keyed
    D1
     
     
    Normal
    Smooth
    D2
     
     
     
    Keyed
    D3
      
    Reinforced
    Smooth
    D4
      
     
    Keyed
    D5
     
    Yes
    No
    Smooth
    D6
     
     
     
    Keyed
    D7
     
     
    Normal
    Smooth
    D8
     
     
     
    Keyed
    D9
      
    Reinforced
    Smooth
    DA
      
     
    Keyed
    DB
    Angled single-cable solution (hybrid), swivel connector
    No
    No
    Smooth
    S0
       
    Keyed
    S1
      
    Normal
    Smooth
    S2
       
    Keyed
    S3
      
    Reinforced
    Smooth
    S4
       
    Keyed
    S5
     
    Yes
    No
    Smooth
    S6
       
    Keyed
    S7
      
    Normal
    Smooth
    S8
       
    Keyed
    S9
      
    Reinforced
    Smooth
    SA
       
    Keyed
    SB
  •  
    The single-cable solution (hybrid) can only be used for motors with connector size 1.0.
    Important: The single-cable solution is fundamentally possible up to size 65. For larger sizes please consult the table.

Connector size table (built-in connector on motor) for single-cable solution (hybrid)

Motor sizes 2 through 6 are available with the single-cable (hybrid) solution, except for the exceptions named in the table. Size 7 motors are available in certain lengths with certain speeds that allow a size 1 built-in connector and are therefore also available with the single-cable (hybrid) solution.

  • Motor code
    Size
    SCS
    Motor code
    Size
    SCS
    Motor code
    Size
    SCS
    8LSA66.ee015ffgg-3
    1
    Yes
    8LSA73.ee045ffgg-3
    1.5
    No
    8LSC74.ee045ffgg-3
    1.5
    No
    8LSC66.ee015ffgg-3
    1
    Yes
    8LSC73.ee045ffgg-3
    1.5
    No
    8LSA75.ee015ffgg-3
    1
    Yes
    8LSA66.ee022ffgg-3
    1
    Yes
    8LSA74.ee015ffgg-3
    1
    Yes
    8LSA75.ee020ffgg-3
    1
    Yes
    8LSC66.ee022ffgg-3
    1
    Yes
    8LSA74.ee020ffgg-3
    1
    Yes
    8LSA75.ee022ffgg-3
    1
    Yes
    8LSA66.ee030ffgg-3
    1
    Yes
    8LSC74.ee020ffgg-3
    1
    Yes
    8LSA75.ee030ffgg-3
    1
    Yes
    8LSC66.ee030ffgg-3
    1
    Yes
    8LSA74.ee022ffgg-3
    1
    Yes
    8LSC75.ee030ffgg-3
    1.5
    No
    8LSA66.ee045ffgg-3
    1.5
    No
    8LSC74.ee022ffgg-3
    1
    Yes
    8LSA76.ee015ffgg-3
    1.5
    No
    8LSC66.ee045ffgg-3
    1.5
    No
    8LSA74.ee030ffgg-3
    1
    Yes
    8LSA76.ee030ffgg-3
    1.5
    No
    8LSA73.ee030ffgg-3
    1
    Yes
    8LSC74.ee030ffgg-3
    1
    Yes
    8LSC76.ee030ffgg-3
    1.5
    No
    8LSC73.ee030ffgg-3
    1
    Yes
    8LSA74.ee045ffgg-3
    1.5
    No
       

All other lengths for size 7 and all size 8 motors are equipped with a built-in connector size 1.5, and are therefore not suitable for the single-cable (hybrid) solution.

Special motor options (gg)

8LS three-phase synchronous motors can be delivered with special motor option "Reinforced A-side bearing" depending on the cooling type, size and length: Other special motor options must be arranged with B&R.

The special motor option is listed as part of the model number in the form of a 2-digit code (gg).

8LS motors with special motor option "Reinforced A-side bearing" can handle increased radial and axial forces (Fr , Fa) on the end of the shaft. Information for determining permissible values of Fr and Fa can be found in the respective motor data.

Motors with special motor option "Reinforced A-side bearing" have increased values (in relation to motors with standard bearings) for the dimensions of the motor shaft, including the total length. The exact dimensions can be found in the motor data in the respective technical data.

Example order 1

A three-phase synchronous motor of type 8LSA45 with a nominal speed of 3000 rpm was selected for an application. Because of the construction, the cables can only be connected on the top of the motor ("top" connection direction). The motor should also be equipped with a holding brake, a keyed shaft and a 32-line EnDat single-turn encoder.

The code (ee) for the encoder system is EA.

The (nnn) code for a nominal speed of 3000 rpm is 030.

The code (ff) for the other options (oil seal, holding brake, keyed shaft and connection direction) is C3.

The model number for the required motor is 8LSA45.EA030C300-3

Example order 2

A three-phase synchronous motor of type 8LSA56 with a nominal speed of 4500 rpm was selected for an application. Because of the construction, the cables can only be connected on the back of the motor (swivel connectors), and need to be as compact as possible, so the single-cable (hybrid) solution is desired. The motor should also be equipped with a holding brake, a smooth shaft, an oil seal and a 32-line EnDat multi-turn encoder.

The code (ee) for the encoder system is EB.

The code (nnn) for a nominal speed of 4500 rpm is 045.

The code (ff) for the other options (oil seal, holding brake, smooth shaft end and angled hybrid cable) is S8.

Therefore the model number for the motor required is: 8LSA56.EB045S800-3

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