Katlax Enterprises Pvt Ltd — Industrial Circular Connectors

    Pin Assignments & Wire Color Code

    TECHNICAL REFERENCE

    Pin Assignments & Wire Color Code

    Pin-out diagrams and IEC industrial wire colour codes for Katlax signal, data, and power connectors — M8, M12, 7/8", M23 and M40. Reference the tables below when building custom cable assemblies or cross-checking wiring during installation.

    signal

    Pin Assignments of M8 Signal Connector

    A-Coded3-Pin / 4-Pin / 6-Pin / 8-Pin Male & Female

    Face View

    M8 A-Coded — diagram 1
    #1
    M8 A-Coded — diagram 2
    #2
    M8 A-Coded — diagram 3
    #3
    M8 A-Coded — diagram 4
    #4
    M8 A-Coded — diagram 5
    #5
    M8 A-Coded — diagram 6
    #6
    M8 A-Coded — diagram 7
    #7
    M8 A-Coded — diagram 8
    #8

    Pin-Out & Wire Colour

    Pin3-Pin4-Pin6-Pin8-Pin
    1BNBNBNWH
    2WHWHBN
    3BUBUBUGN
    4BKBKBKYE
    5GYGY
    6PKPK
    7BU
    8RD
    B-Coded5-Pin Male & Female

    Face View

    M8 B-Coded — diagram 1
    #1
    M8 B-Coded — diagram 2
    #2

    Pin-Out & Wire Colour

    Pin5-Pin Male/Female
    1BN
    2WH
    3BU
    4BK
    5GY
    data

    Pin Assignments of M8 Data Connector

    D-Coded4-Pin Male & Female

    Face View

    M8 D-Coded — diagram 1
    #1
    M8 D-Coded — diagram 2
    #2

    Pin-Out & Wire Colour

    Pin4-Pin Male/Female
    1YE
    2WH
    3OR
    4BU
    signal

    Pin Assignments of M12 Signal Connector

    A-Coded3-Pin / 4-Pin / 5-Pin Male & Female

    Face View

    M12 A-Coded — diagram 1
    #1
    M12 A-Coded — diagram 2
    #2
    M12 A-Coded — diagram 3
    #3
    M12 A-Coded — diagram 4
    #4

    Pin-Out & Wire Colour

    Pin3-Pin Male/Female4-Pin Male/Female5-Pin Male/Female
    1BNBNBN
    2WHWH
    3BUBUBU
    4BKBKBK
    5GY
    B-Coded5-Pin Male & Female

    Face View

    M12 B-Coded — diagram 1
    #1
    M12 B-Coded — diagram 2
    #2

    Pin-Out & Wire Colour

    Pin5-Pin Male/Female
    1BN
    2WH
    3BU
    4BK
    5GY
    C-Coded3-Pin (1+PE) / 5-Pin (3+PE) Male & Female

    Face View

    M12 C-Coded — diagram 1
    #1
    M12 C-Coded — diagram 2
    #2
    M12 C-Coded — diagram 3
    #3
    M12 C-Coded — diagram 4
    #4

    Pin-Out & Wire Colour

    Pin3-Pin Male/Female5-Pin Male/Female
    1GN/YEBN
    2BNWH
    3BUBU
    4BK
    5GY

    Pin 1 in the 3-Pin variant is a protective earth (PE).

    8-Pin / 12-Pin8-Pin / 12-Pin Male & Female

    Face View

    M12 8/12-Pin — diagram 1
    #1
    M12 8/12-Pin — diagram 2
    #2
    M12 8/12-Pin — diagram 3
    #3
    M12 8/12-Pin — diagram 4
    #4

    Pin-Out & Wire Colour

    Pin8-Pin Male/Female12-Pin Male/Female
    1WHBN
    2BNBU
    3GNWH
    4YEGN
    5GYPK
    6PKYE
    7BUBK
    8RDGY
    9RD
    10VT
    11GY/PK
    12RD/BU
    data

    Pin Assignments of M12 Data Connector

    A-Coded4-Pin (CC-Link) / 5-Pin (CANopen) Male & Female

    Face View

    M12 Data A-Coded — diagram 1
    #1
    M12 Data A-Coded — diagram 2
    #2
    M12 Data A-Coded — diagram 3
    #3
    M12 Data A-Coded — diagram 4
    #4

    Pin-Out & Wire Colour

    Pin4-Pin CC-Link5-Pin CANopen
    1SHSHSHSH
    2WHRD
    3YEBK
    4BUWH
    5BU

    SH = cable shield / drain wire.

    D-Coded4-Pin Male & Female

    Face View

    M12 D-Coded — diagram 1
    #1
    M12 D-Coded — diagram 2
    #2

    Pin-Out & Wire Colour

    Pin4-Pin Male/Female
    1YE
    2WH
    3OR
    4BU
    X-Coded8-Pin Male & Female

    Face View

    M12 X-Coded — diagram 1
    #1
    M12 X-Coded — diagram 2
    #2

    Pin-Out & Wire Colour

    Pin8-Pin Male/Female
    1WH/OR
    2OR
    3WH/GN
    4GN
    5WH/BN
    6BN
    7WH/BU
    8BU
    power

    Pin Assignments of M12 Power Connector

    S-Coded2+PE-Pin & 3+PE-Pin Male / Female

    Face View

    S-Coded PE — diagram 1
    #1
    S-Coded PE — diagram 2
    #2
    S-Coded PE — diagram 3
    #3
    S-Coded PE — diagram 4
    #4

    Pin-Out & Wire Colour

    Pin2+PE Male/Female3+PE Male/Female
    1BKBK
    2BK
    3BKBK
    PEGN/YEGN/YE
    K-Coded4+PE-Pin Male / Female

    Face View

    K-Coded 4+PE — diagram 1
    #1
    K-Coded 4+PE — diagram 2
    #2

    Pin-Out & Wire Colour

    PinWire Color
    1BK
    2BK
    3BK
    4BK
    PEGN/YE
    T-Coded4-Pin Male / Female

    Face View

    T-Coded 4-Pin — diagram 1
    #1
    T-Coded 4-Pin — diagram 2
    #2

    Pin-Out & Wire Colour

    PinWire Color
    1BN
    2WH
    3BU
    PEBK
    L-Coded4-Pin / 4+FE-Pin Male & Female

    Face View

    M12 L-Coded — diagram 1
    #1
    M12 L-Coded — diagram 2
    #2
    M12 L-Coded — diagram 3
    #3
    M12 L-Coded — diagram 4
    #4

    Pin-Out & Wire Colour

    Pin4-Pin Male/Female5-Pin Male/Female
    1BNBN
    2WHWH
    3BUBU
    4BKBK
    5GN/YE
    power

    Pin Assignments of 7/8" Connector — European

    European Color Code3-Pin / 4-Pin / 5-Pin Male & Female

    Face View

    7/8" European — diagram 1
    #1
    7/8" European — diagram 2
    #2
    7/8" European — diagram 3
    #3
    7/8" European — diagram 4
    #4
    7/8" European — diagram 5
    #5
    7/8" European — diagram 6
    #6

    Pin-Out & Wire Colour

    Pin3-Pin Male/Female4-Pin Male/Female5-Pin Male/Female
    1GN/YEBNBK
    2BNWHBU
    3BUBUGN/YE
    4BKBN
    5WH
    power

    Pin Assignments of 7/8" Connector — American

    American Color Code3-Pin / 4-Pin / 5-Pin Male & Female

    Face View

    7/8" American — diagram 1
    #1
    7/8" American — diagram 2
    #2
    7/8" American — diagram 3
    #3
    7/8" American — diagram 4
    #4
    7/8" American — diagram 5
    #5
    7/8" American — diagram 6
    #6

    Pin-Out & Wire Colour

    Pin3-Pin Male/Female4-Pin Male/Female5-Pin Male/Female
    1GN/YEBKWH
    2BKWHRD
    3WHRDGN/YE
    4GN/YEOR
    5BK

    M23 P-Coded Male / Female

    Face View Variants

    M23 P-Coded — diagram 1
    #1
    M23 P-Coded — diagram 2
    #2
    M23 P-Coded — diagram 3
    #3
    M23 P-Coded — diagram 4
    #4
    M23 P-Coded — diagram 5
    #5
    M23 P-Coded — diagram 6
    #6

    M23 E-Coded Male / Female

    Face View Variants

    M23 E-Coded — diagram 1
    #1
    M23 E-Coded — diagram 2
    #2
    M23 E-Coded — diagram 3
    #3
    M23 E-Coded — diagram 4
    #4
    M23 E-Coded — diagram 5
    #5
    M23 E-Coded — diagram 6
    #6

    M23 Power Male / Female

    Face View Variants

    M23 Power — diagram 1
    #1
    M23 Power — diagram 2
    #2
    M23 Power — diagram 3
    #3
    M23 Power — diagram 4
    #4

    M40 Male / Female

    Face View Variants

    M40 — diagram 1
    #1
    M40 — diagram 2
    #2
    M40 — diagram 3
    #3
    M40 — diagram 4
    #4

    Wire Colour Legend (IEC 60757)

    BK

    Black

    BN

    Brown

    WH

    White

    BU

    Blue

    GN

    Green

    YE

    Yellow

    GY

    Grey

    RD

    Red

    OR

    Orange

    VT

    Violet

    PK

    Pink

    GN/YE

    Green/Yellow

    WH/OR

    White/Orange

    WH/GN

    White/Green

    WH/BN

    White/Brown

    WH/BU

    White/Blue

    GY/PK

    Grey/Pink

    RD/BU

    Red/Blue

    SH (cable shield / drain wire) appears on shielded data lines such as M12 A-Coded CC-Link and CANopen. It is not a colour but a bare or tinned conductor bonded to the cable's foil/braid screen.