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6GK1502-3CB10

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Siemens 6GK1502-3CB10 is a SIMATIC NET PROFIBUS OLM/G12 V3.1 optical link module that converts PROFIBUS communication between one RS485 segment and two glass-fiber channels.
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Technical specifications for 6GK1502-3CB10

  • Manufacturer:
    Siemens
  • Part Number:
    6GK1502-3CB10
  • Product Family:
    Siemens Simatic Net
  • Product Type:
    PROFIBUS Optical Link Module OLM/G12
  • Stock:
    1
  • Electrical Channel:
    1× RS485 via 9-pin Sub-D
  • Optical Channels:
    2 glass-fiber channels
  • Optical Connections:
    4× BFOC/2.5 sockets
  • Optical Fiber Type:
    Multimode glass fiber
  • Maximum Optical Distance:
    2,850 m
  • PROFIBUS Data Rate:
    9.6 kbit/s to 12 Mbit/s, automatic detection
  • Supply Voltage:
    24 V DC nominal, 18–32 V DC range
  • Network Structures:
    Line, star and redundant optical ring
  • Status Outputs:
    LEDs, signaling contact and optical measuring outputs
  • Mounting:
    35 mm DIN rail or mounting plate
  • Degree of Protection:
    IP40
  • Operating Temperature:
    0 to 60 °C
  • Weight:
    1.32 lbs (0.6 kg)
  • Estimated shipping dimensions:
    19.2×12.4×5.1 cm
  • Tariff Code:
    85176200
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Signal Conversion Fiber Topology Status Checks Installation Setup

Features:

  • The OLM/G12 converts PROFIBUS traffic between one electrical path and two optical paths.
  • Automatic transfer-rate recognition covers the supported PROFIBUS speeds without a separate rate setting.
  • Front indicators, a relay contact and optical measuring points expose communication and link condition.
Two transmitter-receiver pairs let the optical side continue traffic in both directions while the Sub-D connector anchors the copper segment.

The same port arrangement can be wired for a linear fiber run, a star branch or the two directions of a redundant optical ring.

Switch settings define operating behavior, while the signal contact provides a separate path for reporting detected module or link conditions.

The Siemens 6GK1502-3CB10 SIMATIC NET PROFIBUS OLM/G12 may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6GK1502-3CB10 SIMATIC NET PROFIBUS OLM/G12 Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Electrical-to-optical flow

  • Copper Entry: PROFIBUS frames reach 6GK1502-3CB10 through the nine-pin RS485 connector.
  • Optical Transmission: The module regenerates the electrical traffic for transmission on the selected fiber direction.
  • Return Path: Received optical frames are converted back to the electrical PROFIBUS signal level.
  • Segment Separation: Conversion keeps the copper and glass-fiber media on distinct physical interfaces.

Using the two optical channels

  • Line Continuation: One channel can receive the optical segment while the other continues it to the next OLM.
  • Star Branch: Multiple OLM paths can meet through a star arrangement built from the documented optical connections.
  • Ring Directions: The two channels provide the opposing fiber routes required by a redundant optical ring.
  • Channel Pairing: Each optical channel retains separate transmit and receive sockets for the two fiber strands.

Reading module and link condition

  • Front LEDs: Visual indicators separate power, system and channel states during commissioning.
  • Signal Contact: The relay output gives an external circuit a discrete indication of selected fault conditions.
  • Measurement Points: Optical measuring outputs support evaluation of the received signal level without opening the fiber route.
  • Channel Isolation: The two optical paths can be checked independently when locating a disturbed segment.

Mechanical and configuration boundaries

  • Mounting Choice: 6GK1502-3CB10 can be fixed to a 35 mm rail or directly to a mounting plate.
  • Power Entry: The 24 V DC supply terminates separately from the PROFIBUS signal connectors.
  • Switch Bank: Operating switches define the mode assigned to the electrical and optical channels.
  • Fiber Handling: Transmit and receive fibers must stay matched to the corresponding BFOC sockets at each link end.
Description
The Siemens 6GK1502-3CB10 is a SIMATIC NET PROFIBUS Optical Link Module in the OLM/G12 configuration. It converts the electrical signaling of one RS485 segment to the optical signaling used by two glass-fiber channels and performs the reverse conversion for returning traffic.

At the electrical side, 6GK1502-3CB10 terminates PROFIBUS on a nine-pin Sub-D connection. Each optical channel has separate transmit and receive paths through BFOC sockets, so the two fiber directions remain physically organized at the module.

The dual optical layout lets 6GK1502-3CB10 participate in line, star or redundant optical-ring structures. Automatic data-rate recognition keeps the conversion path aligned with the connected PROFIBUS network from 9.6 kbit/s through 12 Mbit/s.

Operating state and optical-link condition are exposed by 6GK1502-3CB10 through front indicators, a signaling contact and measuring outputs. Its configuration switches and mounting options place communication setup, fault reporting and mechanical installation on separate parts of the module.
Alternative Names
6GK15023CB10 6GK1502 3CB10 6GK 1502-3CB10 Siemens 6GK1502-3CB10 OLM/G12 6GK1502-3CB10 6GK1502-3CB1O 6GK1S02-3CB10 6GKI502-3CB10
Technical notes
Siemens 6GK1502-3CB10 automatically recognizes supported PROFIBUS data rates and reports link condition through LEDs, a contact and optical measuring points.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What does the G12 designation mean on Siemens 6GK1502-3CB10?
For Siemens 6GK1502-3CB10, G12 identifies one RS485 electrical channel together with two glass-fiber optical channels.
Why does 6GK1502-3CB10 have four BFOC sockets when it has two optical channels?
Each optical channel on 6GK1502-3CB10 requires a transmit socket and a receive socket, producing four BFOC connections in total.
How should the two fiber directions be used when 6GK1502-3CB10 is placed in a redundant ring?
The two optical channels of 6GK1502-3CB10 form the opposing paths of the ring, with transmit and receive strands kept correctly paired on both sides.
Which indication should be checked before opening a PROFIBUS cable connected to 6GK1502-3CB10?
The front LEDs, signal contact state and optical measuring outputs of 6GK1502-3CB10 can separate a module condition from a weak or interrupted fiber path.
Can 6GK1502-3CB10 be fixed without a 35 mm DIN rail?
Yes. Siemens 6GK1502-3CB10 supports either 35 mm rail mounting or direct mounting on a plate.
Does the PROFIBUS speed need to be entered manually on 6GK1502-3CB10?
Siemens 6GK1502-3CB10 automatically recognizes the supported PROFIBUS data rate from 9.6 kbit/s through 12 Mbit/s.