6SN1145-1AA00-0CA0 SIMODRIVE 611

SKU: 6SN1145-1AA00-0CA0 Category: Drive

Description
Additional information

The Siemens SIMODRIVE 611 6SN1145-1AA00-0CA0 is a power supply module belonging to the SIMODRIVE 611 modular drive system. This unit functions as an infeed/regenerative feedback module, providing regulated DC bus voltage to connected axis drive modules within the SIMODRIVE 611 system. It is designed for use in multi-axis drive configurations typical of CNC machine tool applications.

The 6SN1145-1AA00-0CA0 is a non-regulated infeed module (NE module) within the SIMODRIVE 611 series, responsible for converting three-phase AC supply voltage into a stable DC link voltage for downstream drive modules. It incorporates monitoring functions for DC bus voltage, temperature, and supply conditions, and communicates status via the SIMODRIVE 611 drive bus. The module is built to industrial standards with robust thermal management and supports the modular expansion of the SIMODRIVE 611 drive line-up.

The SIMODRIVE 611 power supply module is primarily deployed in CNC machining centers, milling machines, lathes, and grinding machines where coordinated multi-axis motion control is required. It is well-suited for integration into Siemens SINUMERIK CNC control environments, making it a standard component in high-precision manufacturing equipment across the automotive, aerospace, and general mechanical engineering industries.

Technical Specifications

Series/Product Family	SIMODRIVE 611
Module Type	Non-regulated Infeed/Feedback Module (NE Module)
Input Voltage	3-phase 400 V AC / 480 V AC
DC Link Voltage	600 V DC
Continuous DC Link Current	28 A
Power Rating	16 kW
Cooling Method	Forced air cooling (internal fan)
Operating Temperature	0 °C to +55 °C
Storage Temperature	-40 °C to +70 °C
Relative Humidity	5 % to 95 % (non-condensing)
Protection Rating	IP00 (panel-mounted)
Mounting	DIN rail / panel mounting in SIMODRIVE 611 drive line
Certifications	CE, UL
Bus System Compatibility	SIMODRIVE 611 drive bus

Common Fault Codes

F01: DC link overvoltage detected on the infeed module. The DC bus voltage has exceeded the permissible threshold.
Check the supply voltage for overvoltage conditions. Verify braking resistor or regenerative feedback connection. Inspect DC link capacitors on connected modules.
F02: DC link undervoltage. The DC bus voltage has dropped below the minimum operating threshold.
Check three-phase AC supply voltage at the module input terminals. Verify supply fuses and contactor operation. Check for excessive load on the DC link.
F03: Overtemperature fault. The module has exceeded its permissible operating temperature.
Check that the cabinet cooling fan is operational. Verify ambient temperature is within specification. Clean air filters and ensure adequate airflow through the drive line.
F04: Phase failure detected on the AC supply input.
Check all three input phases at the module terminals. Inspect supply fuses and upstream contactors. Verify three-phase supply integrity.
F05: Internal hardware fault on the infeed module.
Power cycle the system. If the fault persists, the module may require replacement or factory-level repair. Check all internal connectors and bus connections.
F06: Ready relay fault. The module ready signal has not been asserted within the expected time after power-on.
Check the enable signal wiring to the NE module. Verify the 24 V DC control supply is present. Inspect the drive enable chain and interlock wiring.
F07: Communication fault on the SIMODRIVE 611 drive bus between the infeed module and connected axis modules.
Check the drive bus ribbon cable connections between all modules. Ensure all modules are correctly seated and bus connectors are fully engaged. Replace the bus cable if damaged.

Frequently Asked Questions

What is the power rating of the 6SN1145-1AA00-0CA0 infeed module?

The 6SN1145-1AA00-0CA0 is rated at 16 kW continuous power output to the DC link, suitable for supplying multiple SIMODRIVE 611 axis modules in a drive line.

Is the 6SN1145-1AA00-0CA0 a regenerative feedback module?

No, the 6SN1145-1AA00-0CA0 is a non-regulated infeed (NE) module and does not support regenerative feedback to the supply network. Regenerative energy is dissipated via a braking resistor connected to the DC link.

What input voltage does this module require?

The module requires a three-phase AC supply of 400 V AC or 480 V AC at 50/60 Hz.

Which CNC control systems is this module compatible with?

The SIMODRIVE 611 system, including this infeed module, is designed for use with Siemens SINUMERIK CNC controls such as the SINUMERIK 840D, 810D, and related variants.

Can this module be used as a direct replacement in an existing SIMODRIVE 611 drive line?

Yes, provided the power rating and DC link current capacity are compatible with the existing drive line configuration. The drive bus and mechanical form factor are standardized across the SIMODRIVE 611 series.

Troubleshooting

Drive line fails to power up and no ready signal is present

Check for 24 V DC control supply at the NE module control terminals. Verify that the three-phase AC supply is present and within tolerance at the input terminals. Inspect the enable chain wiring.

Restore the 24 V DC control supply if absent. Correct any phase failures on the AC supply. Ensure all enable signals and interlock contacts in the drive enable chain are closed.

Repeated DC link overvoltage faults during deceleration

The DC link voltage is rising above the permissible limit during motor braking. Check whether a braking resistor is connected and functioning correctly.

Verify the braking resistor connection and resistance value. Replace the braking resistor if it is open-circuit or has drifted out of specification. Adjust deceleration ramps in the CNC or drive parameters to reduce regenerative energy peaks.

Overtemperature fault occurring during normal operation

Measure the ambient temperature inside the control cabinet. Check that the cabinet cooling fan is running and that air filters are not blocked.

Clean or replace air filters. Ensure the cabinet cooling fan is operational. If ambient temperature exceeds 40 °C, consider additional cabinet cooling. Verify that the drive line modules are not overloaded beyond their rated current.

Drive bus communication errors between infeed module and axis modules

Inspect the drive bus ribbon cable connecting all modules in the SIMODRIVE 611 line. Check for physical damage, loose connectors, or incorrect module seating.

Reseat all drive bus connectors firmly. Replace any damaged ribbon cables. Ensure all modules are correctly installed in the drive line and that no module positions are left open without a termination plug.

Module shows no display or LED indication after power-on

Check the 24 V DC control supply voltage at the module terminals. Inspect internal fuses within the module if accessible.

Restore the 24 V DC supply if absent or out of tolerance. If the supply is correct and the module remains unresponsive, the module likely has an internal power supply fault and should be sent for repair or replaced.

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