6GK1503-3CB00 SIEMENS Redundant Power Supply Module 86.1 Mm 1.0 AMP 3.4 VDC At 500 MA
6GK1503-3CB00 Description
The 6GK1503-3CB00 is a high-performance PROFIBUS Optical Link Module (OLM/G12 V4.0) from Siemens SIMATIC NET, designed to convert electrical RS‑485 PROFIBUS DP signals to optical fiber signals and vice versa. It features 1 electrical RS‑485 port and 2 glass fiber‑optic interfaces (4 BFOC sockets), enabling long‑distance, noise‑immune PROFIBUS communication up to 2,850 meters in standard mode. Built for industrial distributed control systems, it eliminates ground loops, electromagnetic interference (EMI), and signal attenuation issues in large‑scale plants, power facilities, and harsh industrial environments, supporting point‑to‑point, star, or redundant fiber topologies for reliable data transmission between PLCs, remote I/O, drives, HMIs, and other PROFIBUS devices.
6GK1503-3CB00 Key Features
- Dual‑Mode Signal Conversion: Seamlessly converts RS‑485 electrical signals to multi‑mode fiber‑optic signals (860 nm wavelength) and back, supporting PROFIBUS DP/V1 and PA protocols.
- Long‑Distance Transmission: Up to 2,850 m standard fiber distance (50/125 µm or 62.5/125 µm glass fiber), extending PROFIBUS network range beyond copper cable limits.
- High‑Speed Communication: Auto‑detects or manually sets PROFIBUS baud rates from 9.6 kbps to 12 Mbps, matching system speed requirements.
- Dual Fiber Interfaces: 2 fiber ports (4 BFOC sockets) for redundant or multi‑segment topologies, enhancing network reliability.
- Full Electrical Isolation: 1,000 V DC isolation between electrical/optical circuits, eliminating ground loops and protecting against voltage surges.
- Integrated Diagnostics: Front‑panel LED indicators (PWR, RDY, SF, RX/TX) plus signaling contact and measuring output for real‑time link monitoring and fault detection.
- Plug‑and‑Play Installation: DIN‑rail mountable (35 mm), no configuration software required, with easy DIP‑switch setup for baud rate and topology.
- Industrial‑Grade Robustness: Wide temperature tolerance, vibration/shock resistance, and IP20 protection for cabinet installation in harsh environments.
- Redundancy Support: Enables fiber‑optic redundancy for critical applications, ensuring uninterrupted communication.
6GK1503-3CB00 Materials & Applications
Materials
- Housing: High‑strength, flame‑retardant engineering thermoplastic (UL94 V‑0), impact‑resistant and EMC‑optimized for industrial use.
- Optical Interfaces: Precision BFOC (Bayonet Fiber Optic Connector) sockets for secure, low‑loss multi‑mode fiber connections.
- Electrical Connectors: 9‑pin Sub‑D (RS‑485) and screw terminal blocks (power, signaling, measurement) with nickel‑plated brass contacts for corrosion resistance.
- Internal Circuitry: FR‑4 glass epoxy PCB with industrial‑grade optocouplers, transceivers, and surge protection components for stable signal conversion.
- Mounting: Reinforced plastic DIN‑rail clip and screw‑mount holes for secure installation in control cabinets.
Typical Applications
- Factory Automation: Large manufacturing plants, automotive assembly lines, packaging machinery for long‑distance PROFIBUS expansion.
- Power & Energy: Power generation, transmission/distribution substations, wind farms for EMI‑resistant communication in high‑voltage environments.
- Metallurgy & Mining: Steel mills, ore processing facilities with heavy electromagnetic interference.
- Water & Wastewater: Pumping stations, treatment plants for distributed I/O and remote monitoring.
- Transportation: Railways, airports, ports for reliable long‑haul industrial communication.
- Oil & Gas: Onshore/offshore processing facilities requiring explosion‑proof and noise‑immune data links.
6GK1503-3CB00 Important Parameters
| Parameter |
Specification |
| Part Number |
6GK1503-3CB00 |
| Brand |
Siemens (SIMATIC NET) |
| Product Type |
PROFIBUS OLM/G12 V4.0 Optical Link Module |
| Communication Standard |
PROFIBUS DP/V1, PROFIBUS PA (45.45 kbps) |
| Baud Rate |
9.6 kbps, 19.2 kbps, 45.45 kbps, 93.75 kbps, 187.5 kbps, 500 kbps, 1.5 Mbps, 3 Mbps, 6 Mbps, 12 Mbps (auto/manual) |
| Electrical Interface |
1 × RS‑485 (9‑pin Sub‑D socket) |
| Optical Interface |
2 × multi‑mode fiber ports (4 BFOC sockets), 860 nm wavelength |
| Fiber Type |
50/125 µm or 62.5/125 µm glass fiber |
| Max Transmission Distance |
Up to 2,850 m (standard mode, depending on baud rate) |
| Isolation Voltage |
1,000 V DC (electrical‑optical‑internal) |
| Power Supply |
24 V DC (18–30 V DC), ripple ≤5% |
| Power Consumption |
≤ 4 W |
| Mounting |
35 mm DIN rail (EN 50022) + screw‑mount |
| Operating Temperature |
0 °C to +60 °C |
| Storage Temperature |
-25 °C to +70 °C |
| Humidity |
10–95% RH (non‑condensing) |
| Vibration Resistance |
5–150 Hz, 9.8 m/s² (3 axes) |
| Shock Resistance |
147 m/s² (3 axes) |
| Protection Degree |
IP20 (indoor cabinet) |
| Dimensions (W×H×D) |
39.5 × 74.5 × 112 mm |
| Weight |
Approx. 0.415 kg |
| Certifications |
CE, UL, cUL, RoHS, ATEX (Zone 2) |
| Compatibility |
S7‑300/400/1200/1500 PLCs, all PROFIBUS DP master/slave devices |
| Product Status |
Active (in production) |
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