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Siemens SIMATIC NET PROFIBUS OLM/G12 V4.0 Optical Link Module 6GK1503-3CB00
The Siemens SIMATIC NET PROFIBUS OLM/G12 V4.0 Optical Link Module 6GK1503-3CB00 is a high-performance optical link module designed for reliable PROFIBUS communication over fiber optic networks in demanding industrial environments. Built to connect electrical PROFIBUS RS 485 segments with optical fiber links, this module is ideal for long-distance data transmission, improved network immunity, and stable communication in automation systems. The Siemens 6GK1503-3CB00 features 1 RS 485 interface and 2 glass fiber optic interfaces with 4 BFOC sockets, making it well suited for factory automation, process control, power systems, and large-scale industrial communication networks. With support for standard distances up to 2850 m, signaling contact, and measuring output, this optical link module offers dependable performance where secure and interference-resistant PROFIBUS communication is critical.
Key Features
Enables reliable PROFIBUS communication over fiber optic networks for long-distance and interference-resistant industrial data transmission
Equipped with 1 RS 485 interface and 2 glass fiber optic interfaces for flexible integration into PROFIBUS network structures
Supports transmission rates from 9.6 kbit/s up to 12 Mbit/s for high-performance automation and control applications
Designed for harsh industrial environments where stable communication, low signal loss, and network reliability are essential
Includes signaling contact and measuring output for enhanced diagnostics, monitoring, and maintenance of communication systems
Specifications
Product Name: Siemens SIMATIC NET PROFIBUS OLM/G12 V4.0 Optical Link Module
Manufacturer: Siemens
Manufacturer Part Number: 6GK1503-3CB00
Product Type: Optical Link Module for PROFIBUS
Communication Standard: PROFIBUS / RS 485 / Fiber Optic
PROFIBUS Transfer Rate: 9.6 kbit/s to 12 Mbit/s
PROFIBUS PA Transfer Rate: 45.45 kbit/s
Interfaces: 1 RS 485 electrical interface and 2 glass fiber optic interfaces
Optical Connections: 4 BFOC sockets
Maximum Number of Connections: 3
Optical Wavelength: 860 nm, multimode
Fiber Type Compatibility: 50/125 µm and 62.5/125 µm glass fiber optic cable
Maximum Distance: up to 2850 m standard distance
Maximum Cable Length: up to 3 km depending on fiber type
Attenuation: 10 dB for 50/125 µm and 12 dB for 62.5/125 µm
Connectable Optical Power: -16 dB for 50/125 µm and -13 dB for 62.5/125 µm
Optical Sensitivity: -28 dB
Propagation Delay: 6.5 bit
Signaling Contact Operating Voltage: 24 V DC
Signaling Contact Current: 0.1 A maximum
Additional Features: signaling contact and measuring output
Application: Industrial automation, process plants, factory communication systems, and long-distance PROFIBUS networking
The Siemens SIMATIC NET PROFIBUS OLM/G12 V4.0 Optical Link Module 6GK1503-3CB00 is a dependable solution for extending PROFIBUS communication across longer distances while improving resistance to electromagnetic interference in industrial networks. Backed by Siemens’ strong reputation in industrial networking and automation technology, this optical link module delivers the performance, durability, and communication reliability required for mission-critical operations. Ram Automations supplies trusted industrial automation products to support your control and communication needs. For pricing, availability, or technical assistance for Siemens 6GK1503-3CB00, contact us at info@ramautomations.com.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
