6SN1124-1AA01-0FA1 SIMODRIVE 611

SKU: 6SN1124-1AA01-0FA1 Category: Drive

Description
Additional information

The Siemens SIMODRIVE 611 6SN1124-1AA01-0FA1 is a power module belonging to the SIMODRIVE 611 modular drive system, designed for use in CNC machine tool and industrial automation applications. This unit is part of Siemens' well-established SIMODRIVE 611 series, which provides a scalable, modular approach to servo and spindle drive control. The 6SN1124-1AA01-0FA1 variant is a single-axis power module intended for use with the SIMODRIVE 611 control modules.

The SIMODRIVE 611 power module interfaces with the SIMODRIVE 611 control section and DC bus system, drawing power from a central infeed/regenerative feedback module. The 6SN1124-1AA01-0FA1 provides a continuous output current of 9 A and a peak output current of 18 A, suitable for driving synchronous and asynchronous servo motors. The module supports the SIMODRIVE 611 internal bus for communication with the control board and integrates into the standard 611 booksize cabinet mounting system. It includes built-in short-circuit and overcurrent protection, and is designed to meet CE and UL certification requirements.

The SIMODRIVE 611 system is widely deployed in CNC machining centers, milling machines, lathes, and grinding machines where precise multi-axis motion control is required. The modular architecture allows machine builders to configure drive systems with a shared DC bus, reducing energy consumption and cabinet space. The 6SN1124-1AA01-0FA1 is particularly suited for feed axis applications requiring dynamic response and high positioning accuracy in demanding production environments.

Technical Specifications

Series/Product Family	SIMODRIVE 611
Module Type	Single-Axis Power Module
Output Current (Continuous)	9 A
Output Current (Peak)	18 A
DC Bus Voltage	600 V DC
Input Voltage	3-phase 400 V AC (via infeed module)
Motor Compatibility	Synchronous and asynchronous servo motors
Mounting	Booksize, rail-mounted in SIMODRIVE 611 cabinet
Cooling	Forced air cooling
Operating Temperature	0 °C to +45 °C
Storage Temperature	-40 °C to +70 °C
Relative Humidity	5 % to 95 %, non-condensing
Protection Rating	IP20
Certifications	CE, UL
Bus System Compatibility	SIMODRIVE 611 internal drive bus

Common Fault Codes

F01: DC link overvoltage detected on the power module
Check the infeed module and braking resistor. Verify DC bus voltage is within specification. Inspect for regenerative energy issues.
F02: DC link undervoltage — DC bus voltage has dropped below the minimum threshold
Check the infeed/line module and supply voltage. Verify line fuses and contactor operation.
F03: Overcurrent — output current has exceeded the permissible peak value
Check motor wiring for short circuits or ground faults. Verify motor parameters and current limits in the control module.
F04: Power module overtemperature — heatsink temperature has exceeded the permissible limit
Check fan operation and airflow in the cabinet. Clean air filters. Verify ambient temperature is within specification.
F05: Motor overtemperature — motor temperature sensor has triggered
Allow motor to cool. Check motor thermal sensor wiring. Verify duty cycle and load conditions are within motor rating.
F06: Ground fault detected — insulation fault between motor phase and ground
Disconnect motor and measure insulation resistance. Replace motor cable or motor if insulation is damaged.
F07: Power module hardware fault — internal fault detected in the power section
Cycle power to the module. If fault persists, replace the power module. Check for loose connections on the drive bus.
F08: Communication fault — loss of communication between power module and control module
Check the internal SIMODRIVE 611 drive bus connectors. Reseat the control module. Verify module addressing and configuration.

Frequently Asked Questions

What is the continuous output current rating of the 6SN1124-1AA01-0FA1?

The 6SN1124-1AA01-0FA1 has a continuous output current rating of 9 A, with a peak output current of 18 A.

Does this module require a separate infeed module to operate?

Yes, the SIMODRIVE 611 power module requires a central infeed or regenerative feedback module to supply the DC bus. It cannot operate as a standalone unit without an infeed module.

What types of motors are compatible with this power module?

The 6SN1124-1AA01-0FA1 is compatible with both synchronous servo motors and asynchronous (induction) servo motors designed for use with the SIMODRIVE 611 system, including Siemens 1FT and 1FK series motors.

What is the IP protection rating of this module?

The module carries an IP20 protection rating and is intended for installation inside a closed control cabinet.

Can this power module be used with SINUMERIK CNC controllers?

Yes, the SIMODRIVE 611 system is commonly used in conjunction with SINUMERIK 840D and 810D CNC controllers, making this module suitable for CNC machine tool applications.

Troubleshooting

Drive does not power up and no LEDs illuminate

Check the DC bus voltage from the infeed module. Verify the 24 V DC control supply is present at the module connector. Inspect internal fuses on the power module.

Restore the 24 V DC control supply if absent. Replace blown fuses. If the infeed module is not supplying DC bus voltage, diagnose the infeed module separately.

Persistent overcurrent fault (F03) at startup

Disconnect the motor cable and check for phase-to-phase or phase-to-ground short circuits using a multimeter. Verify motor parameters stored in the control module match the connected motor.

Replace damaged motor cable or motor. Correct motor parameter settings in the SIMODRIVE 611 control module. Ensure current limits are set appropriately for the motor rating.

Overtemperature fault (F04) occurring during operation

Check that the cabinet cooling fan is operating and that air filters are not blocked. Measure ambient temperature inside the cabinet. Verify the module's heatsink is not obstructed.

Clean or replace air filters. Improve cabinet ventilation or add supplemental cooling. If ambient temperature exceeds 45 °C, derate the module or improve environmental conditions.

Communication fault (F08) between power module and control module

Inspect the SIMODRIVE 611 internal bus connectors for damage, corrosion, or loose seating. Check that the control module is fully seated in the power module.

Reseat the control module firmly. Clean bus connectors with contact cleaner. Replace the control module or power module if the fault persists after reseating.

Motor runs roughly or exhibits position errors

Check encoder feedback cable for damage, loose connections, or shielding issues. Verify encoder supply voltage at the control module. Review axis parameters for correct encoder type and resolution settings.

Replace damaged encoder cable and ensure proper shielding and grounding. Correct encoder type and resolution parameters in the control module. If the encoder is faulty, replace the motor encoder.

Condition	Repair, Used, Refurbished, New in box (sealed)