An OLM/P11 V4.0 module coupling one PROFIBUS RS-485 channel to one plastic-fiber optical interface.
6GK1503-2CA00 is a SIMATIC NET PROFIBUS OLM/P11 V4.0 optical link module. Siemens documentation identifies one RS-485 interface and one plastic-fiber interface with two BFOC sockets, plus a signaling contact and measuring output. It is intended for optical PROFIBUS segments using compatible POF or PCF fiber and supports ring-redundancy functions documented for the OLM family.
| Official lifecycle | Product Cancellation |
| Procurement approach | Verify the V4.0 hardware, plastic-fiber type, BFOC connectors and successor suitability before replacement. |
| Parameter | Official value |
|---|---|
| Article number | 6GK1503-2CA00 |
| Product type | PROFIBUS OLM/P11 V4.0 |
| Electrical network interface | 1 x RS-485 |
| Optical interface | 1 x plastic FOC interface; 2 BFOC sockets |
| PROFIBUS transmission rate | 9.6 kbit/s to 12 Mbit/s |
| Fiber reach | PCF up to 400 m; POF up to 80 m |
| Supply | 24 V DC; 18.8 to 28.8 V |
| Operating temperature | 0 to 60 °C |
| Protection rating | IP40 |
| Dimensions (W x H x D) | 39.5 x 112 x 74.5 mm |
| Weight, approx. | 340 g |
Converts between an electrical RS-485 segment and plastic-fiber media.
Provides optical isolation for network paths exposed to electrical interference.
Supports documented OLM optical ring-redundancy arrangements.
Siemens identifies 6GK1503-2CA00 as a cancelled product and names 6GK1503-2CA01 as the successor. Successor use still requires a review of fiber type, connectors, topology and installed configuration.
One PROFIBUS RS-485 interface and one plastic-fiber optical interface with two BFOC sockets.
Siemens documents up to 400 m with PCF and up to 80 m with POF under the stated fiber conditions.
The module uses 24 V DC, with a documented range of 18.8 to 28.8 V.
Siemens specifies 39.5 x 112 x 74.5 mm and approximately 340 g.
It is the listed successor, but the installed fiber, topology, settings and connectors must be reviewed before replacement.
Send the complete part number, installed-system details, quantity and destination for stock verification, compatibility review, warranty terms and global delivery options.
Configuration review, condition inspection, packing and global delivery coordination for 6GK1503-2CA00.
| Review stage | What we check | Procurement value |
|---|---|---|
| MLFB verification | Complete 6GK1503-2CA00 suffix, label and hardware identity | Reduces substitution risk |
| System matching | OLM/P11 V4.0 version, fiber type, BFOC connectors, topology and data rate | Confirms functional fit |
| Electrical review | 24 V DC supply, signaling contact, measuring output and RS-485 termination | Confirms application suitability |
| Condition inspection | Housing, connectors, terminals and traceability markings | Documents offered condition |
| Protective packing | ESD protection, connector covers, moisture control and impact-resistant packing | Protects equipment in transit |
| Delivery follow-up | Quantity, destination, documents, tracking and warranty procedure | Supports planned maintenance |
Readable MLFB, serial or traceability label and installed hardware version.
PROFIBUS baud rate, ring or line topology, fiber type, link length and switch settings.
Supply, connectors, network media and adjacent equipment.
Quantity, destination, required date and preferred equipment condition.
Record DIP-switch positions, link distances and optical-port assignments. Review the listed -2CA01 successor against the installed topology before any exchange.
Send the 6GK1503-2CA00 label, system context, quantity and destination for a configuration-focused response.
Seventy mixed-brand references selected for individual stock, revision and compatibility enquiries.
| 70 models for separate availability and compatibility checks | ||||
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Each model is handled independently. Confirm the manufacturer, complete suffix, hardware revision and intended system before ordering.
Send the complete part number, quantity and destination for stock verification, compatibility assistance, warranty terms and global delivery options.
