The Siemens 6SL3040-0MA00-0AA1 is the CU320 Control Unit for the SINAMICS S120 modular drive system. It serves as the central intelligence for multi-axis drive configurations, coordinating closed-loop control and drive functions across connected Motor Modules and Line Modules via the DRIVE-CLiQ interface.
This control unit is designed for applications requiring centralized control of multiple drive axes in a shared DC link configuration. It supports PROFIBUS DP communication and includes 4 DRIVE-CLiQ ports for connecting power modules and encoder interfaces. The unit is supplied without a CompactFlash card, which is required for operation and must be ordered separately.
Item No :
6SL3040-0MA00-0AA1Order(MOQ) :
1Payment :
EXWProduct Origin :
GermanyShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
1.800kgOverview
6SL3040-0MA00-0AA1 SIMATIC Control Module
New in stock
Origin from Germany
Payment Method: TT.Western Union
Shipping Method: DHL\UPS\Fedex\EMS\Others
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| Part Number | Description | Key Difference |
|---|---|---|
| 6SL3040-0MA00-0AA1 | CU320 Control Unit, PROFIBUS DP (this item) | CF card not included |
| 6SL3040-1MA00-0AA0 | CU320-2 DP Control Unit | Later generation with PROFIBUS DP |
| 6SL3040-1MA01-0AA0 | CU320-2 PN Control Unit | PROFINET variant |
| 6SL3054-0AA00-1AA0 | CompactFlash Card | Required for CU320 operation |
| 6SL3055-0AA00-4CA1 | BOP-2 Basic Operator Panel | Local operator interface |
1 × Siemens 6SL3040-0MA00-0AA1 CU320 Control Unit
Note: CompactFlash card, power modules, operator panel, and connecting cables are sold separately.
In Stock – Ready to ship immediately
Genuine Siemens Product – Factory original component
Warranty Included – Purchase with confidence
Technical Support – SINAMICS S120 compatibility assistance available
Q1: What is the Siemens 6SL3040-0MA00-0AA1?
It is the CU320 Control Unit for the SINAMICS S120 drive system. It serves as the central control module for multi-axis drive configurations, coordinating drive functions via DRIVE-CLiQ and communicating over PROFIBUS DP.
Q2: Does this control unit come with a CompactFlash card?
No. The CompactFlash card is not included. The CF card contains the firmware and parameters required for operation and must be ordered separately (e.g., 6SL3054-0AA00-1AA0).
Q3: What communication interface does this CU320 have?
It has PROFIBUS DP for fieldbus communication, 4 DRIVE-CLiQ ports for drive module connections, RS232 for service, and an Ethernet service port.
Q4: How many digital inputs and outputs does it have?
It provides 12 digital inputs and 8 bidirectional digital I/O (configurable as inputs or outputs, 0.5 A per output, short-circuit proof).
Q5: What is the power supply requirement?
The unit operates on 24 V DC (20.4–28.8 V) with a maximum current consumption of 6.5 A per the nameplate (base draw approx. 0.8 A).
Q6: What is the operating temperature range?
The operating range is 0 to 55 °C (32 to 131 °F).
Q7: What is the difference between this and the CU320-2?
The CU320-2 (6SL3040-1MA00-0AA0 for DP, 6SL3040-1MA01-0AA0 for PN) is the later generation with improved processing and additional features. The 0MA00 model is the original CU320. Confirm compatibility with your existing system before substituting.
Q8: What should I verify before ordering?
Always verify the exact part number (6SL3040-0MA00-0AA1), confirm that you have a compatible CompactFlash card (or order one separately), and ensure your system uses PROFIBUS DP communication.
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