Siemens 6SL3040-1MA01-0AA0 SINAMICS S120 CU320-2 PN Control Unit
PROFINET-based multi-axis Control Unit with four DRIVE-CLiQ ports and an option-module slot.
01Overview
Siemens 6SL3040-1MA01-0AA0 is the SINAMICS CU320-2 PN Control Unit for multi-axis drive systems connected through PROFINET. It integrates two PROFINET ports, four DRIVE-CLiQ interfaces, configurable digital I/O and service connections in a 50 mm-wide housing. The article is supplied without its CompactFlash card; firmware, licenses, network configuration and drive topology therefore remain controlled parts of the final system.
02Specs
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SL3040-1MA01-0AA0 |
| Product Designation | SINAMICS S120 CU320-2 PN |
| Primary Fieldbus | PROFINET |
| PROFINET Ports | 2 |
| DRIVE-CLiQ Connections | 4 |
| Digital Inputs | 12 |
| Bidirectional Digital I/O | 8 parameterizable DI/DO |
| Ethernet Interface | 1 |
| RS232 Interface | 1 |
| Option Module Slots | 1 |
| CompactFlash Slot | 1; card not included |
| Electronics Supply | 24 V DC; permissible range 20.4 to 28.8 V |
| Maximum Current Consumption | 1.0 A |
| Maximum Power Loss | 24 W |
| Operating Temperature | 0 to 55 °C |
03Features
Key Functions
- Coordinates multiple SINAMICS drive axes from one CU320-2 PN.
- Provides two PROFINET interfaces for integration into an industrial Ethernet topology.
- Connects compatible line, motor and sensor modules through four DRIVE-CLiQ ports.
- Offers twelve digital inputs and eight configurable bidirectional digital channels.
- Includes one option-module slot plus separate Ethernet and RS232 service connections.
- Requires a separately selected CompactFlash card carrying the correct firmware and licenses.
Product Identity
- Manufacturer: Siemens
- Model: 6SL3040-1MA01-0AA0
- Product Type: SINAMICS S120 CU320-2 PN Control Unit with PROFINET
- Status: Active product
04Applications
- PROFINET-connected multi-axis machines and production systems.
- SINAMICS S120 drive groups coordinated from an S7-1500 or SINUMERIK environment.
- Systems requiring synchronized access to multiple DRIVE-CLiQ components.
- Modernization from a compatible CU320 generation after a documented firmware and topology review.
- Maintenance replacement of the exact CU320-2 PN hardware article.
05Lifecycle
- Siemens lists 6SL3040-1MA01-0AA0 as an active product.
- Confirm the separate CompactFlash article, firmware level and license scope before ordering.
- Record PROFINET names, IP parameters, telegrams, topology and time settings with the drive archive.
- Verify all axes, option modules, terminal assignments and Safety Integrated configuration.
- After exchange, validate network communication, axis feedback, coordinated motion, diagnostics and machine interlocks.
06FAQ
What is the communication role of 6SL3040-1MA01-0AA0?
It is the CU320-2 PN variant for multi-axis SINAMICS control over PROFINET.
How many PROFINET connections are integrated?
The official technical data lists two PROFINET ports.
Can an option module be installed in this Control Unit?
Yes. The CU320-2 PN provides one slot for an option module.
What are the controller dimensions?
Siemens specifies 50 x 300 x 226 mm for width, height and depth.
Is the DP Control Unit interchangeable with this PN article?
No automatic interchange should be assumed because the higher-level fieldbus and associated network configuration differ.
What must be recommissioned after a PN Control Unit exchange?
Restore the approved firmware card and project, then verify PROFINET naming, DRIVE-CLiQ topology, every axis, I/O, diagnostics and safety functions.
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