Lenze 00450924 EVS9327-ES – 11kW 9300 Servo Inverter Drive
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Product Information
The Lenze 00450924 EVS9327-ES is an 11 kW servo inverter drive from the 9300 Servo product family, designed for dynamic multi-axis motion control and precise positioning applications in industrial automation. Utilizing field-oriented vector control, this drive manages synchronous and asynchronous servo motor systems across a 3-phase supply voltage range of 320 V AC to 528 V AC at 45–65 Hz. It delivers a rated continuous output current of 23.5 A with peak current capabilities reaching 35.3 A for up to 60 seconds during acceleration ramps, providing high dynamic torque and speed stability for packaging, printing, and material handling systems.
Interfacing the drive into automated production lines relies on integrated CAN system bus connectivity located on terminal strip X4, alongside a modular expansion slot that accepts optional fieldbus communication modules such as the EMF2133IB PROFIBUS-DP, EMF2102IB LECOM, or EMF2111IB INTERBUS card. Motor feedback is routed through specialized interfaces, including a Sub-D 9-pin resolver input at terminal X7 and a Sub-D 15-pin connector at X8 for incremental, SinCos, or EnDat absolute encoders. Commissioning a replacement unit requires transferring the parameter configuration, which can be accomplished using Global Drive Control (GDC) software or an optional Keypad XT (EMZ9371BC) operator module to reload saved parameter sets from the non-volatile internal EEPROM. Technical teams can rely on ABC Industrial Parts to supply tested spare units and expert support for parameter migration and drive setup.
Diagnostic states are indicated on the front panel via status LEDs, where a solid green light confirms active controller enable and a flashing green light indicates controller inhibit with the power stage locked. A solid red LED signals an active TRIP fault condition that inhibits drive output, while a flashing red LED alerts operators to an active warning. System faults such as power stage short circuits (OC1), DC bus overvoltage (OU), resolver signal failure (Sd1), or internal EEPROM checksum errors (EER) are logged in a fault memory buffer (Code C0168) holding the last eight trip occurrences with timestamps. Initial checks for recurring faults should verify mains supply voltage across L1, L2, and L3, signal cabling shield integrity, and motor winding resistance; persistent internal memory or control board faults indicate hardware issues where a tested replacement or repair through ABC Industrial Parts offers the quickest path back to production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00450924 |
| Model / Type | EVS9327-ES |
| Component Type | Servo Drive |
| Product Family | 9300 Servo |
| Rated Power Output | 11 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Mains Frequency Range | 45 - 65 Hz |
| Rated Mains Current | 22.5 A |
| Rated Output Current | 23.5 A |
| Peak Output Current | 35.3 A |
| Power Loss | 380 W |
| Control Method | Field-Oriented Vector Control |
| Switching Frequency | 8 kHz |
| Digital Inputs / Outputs | 4 Inputs / 2 Outputs |
| Analog Inputs / Outputs | 2 Inputs / 2 Outputs |
Programming and Configuration
Drive parameterization for the Lenze EVS9327-ES is performed using Lenze Global Drive Control (GDC) software connected via a PC system bus adapter (EMF2177IB or EMF2173IB) or directly using the optional plug-in Keypad XT (EMZ9371BC). Up to four complete parameter sets can be saved into internal non-volatile EEPROM memory, enabling flexible operational setups and recipe management without losing control settings during power interruptions.
When commissioning a spare drive or replacing a damaged unit, stored parameter sets must be restored to align motor parameters, speed controller loop gains, and I/O terminal assignments. The factory default configuration can be reloaded by setting parameter C0002 to 1, after which executing a parameter save command via parameter C0003 permanently commits the active RAM parameter values into non-volatile memory.
Communication and System Integration
The Lenze 00450924 EVS9327-ES features an integrated CAN system bus connection located directly on terminal strip X4. This internal system bus enables high-speed inter-drive communication for synchronized multi-axis motion and real-time parameter exchange without requiring separate communication hardware.
For integration into broader industrial control networks, the drive includes a dedicated automation slot. Optional communication cards can be installed, including the EMF2133IB PROFIBUS-DP module, the EMF2102IB LECOM module (RS-232/RS-485), and the EMF2111IB INTERBUS module. Diagnostic PC connections are established via EMF2177IB or EMF2173IB PC System Bus Adapters.
Diagnostics and Status Indication
Real-time operational status and fault diagnostic information are available through onboard LED indicators and diagnostic parameters C0183 and C0168. Detailed error descriptions can be viewed on the Keypad XT display panel or monitored via the online diagnostic tool in Global Drive Control (GDC) software.
An integrated non-volatile fault log stores the last eight TRIP fault events along with time stamps under parameter C0168, allowing maintenance staff to review operational history and identify recurring electrical or thermal issues.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED (TRIP) | Red - Solid / Flashing | Flashing: Warning active. Solid RED: TRIP / Active fault. Drive output is inhibited. |
| Green LED (Ready / Controller Enable) | Green - Solid / Flashing | Solid GREEN: Controller enabled, drive active/running. Flashing GREEN: Controller inhibit active (IMP), power stage locked, drive ready. |
Replacement and Spare Part Considerations
When replacing an existing drive with a replacement Lenze 00450924 EVS9327-ES unit, ensure that the part number and power rating match (11 kW, 23.5 A output). Any installed optional module in the automation slot—such as an EMF2133IB PROFIBUS card—must be transferred to the replacement drive and checked for proper seating prior to applying main power.
Prior to putting the spare drive into production, parameter configuration settings must be loaded using Global Drive Control software or via the Keypad XT module. Important commissioning checks include verifying motor feedback settings at terminal X7 (resolver) or X8 (encoder), confirming CAN bus node addresses and baud rates, and ensuring proper terminal block connections.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OC1 | Short Circuit / Overcurrent | Instantaneous short circuit or power stage overcurrent detected. | Short circuit or ground fault in motor cable or motor windings; acceleration time too short; power stage component fault. | Check motor cable and motor insulation; check acceleration ramp times; if error occurs immediately upon power up without enable, internal hardware failure is present (return unit for repair). |
| OC2 | Earth Fault | Ground/earth fault in output phase. | Motor cable insulation damage, ground fault in motor stator, excessive cable capacitance. | Check motor cable and motor for short circuit to earth/PE shield. |
| OC5 | Drive Overload Ixt | Continuous Ixt overload limit reached. | Drive operates above rated output current for extended duration; mechanical blockage or undersized drive. | Check drive loading, reduce mechanical load, verify motor parameters. |
| OH | Heatsink Overtemperature | Drive power section heatsink temperature exceeded maximum safety threshold. | Ambient temperature too high; internal cooling fan dirty or defective; inadequate cabinet ventilation; heatsink fins clogged. | Clean heatsink and fan, verify cabinet cooling air flow, allow unit to cool down. |
| OH3 | Motor Overtemperature | Motor temperature sensor trip (PTC or thermal switch at terminal X10). | Motor thermal overload; motor fan defective; PTC sensor wire disconnected. | Check motor operating condition and thermal load; check sensor wiring at terminal X10. |
| OH7 | Interior Overtemperature | Temperature inside the control electronics section is too high. | Control cabinet ambient temperature exceeds specification. | Improve cooling inside control panel. |
| OU | DC Bus Overvoltage | DC bus voltage exceeds upper shutdown limit. | Regenerative energy from motor during deceleration; deceleration ramp time too short; brake chopper or braking resistor missing/defective. | Increase deceleration ramp time; connect braking resistor or check internal brake chopper. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below minimum operating limit. | Mains input voltage too low; AC supply phase failure; main contactor open. | Check mains voltage, check AC input supply cables and fuses. |
| LP1 | Mains Phase Failure | One phase of the 3-phase mains supply is missing. | Blown input fuse, loose terminal block, grid phase loss. | Check all three mains phases at input terminals L1, L2, L3. |
| EER | EEPROM Fault | Internal EEPROM checksum error or memory read failure. | Corrupted non-volatile memory or EEPROM hardware failure. | Reload factory setting (C0002 = 1) and re-parameterize. Internal hardware fault — if persistent, return unit for repair. |
| PER | Program Memory Fault | Internal flash/program memory error. | Control board hardware defect or flash memory corruption. | Internal hardware fault — power cycle unit; if fault persists, return unit for repair. |
| PI | Parameter Initialization Error | Fault during parameter set initialization or parameter loading. | Power interruption while saving parameters. | Reload default parameter set and execute parameter save (C0003). |
| PR | Parameter Record Error | Active parameter set in RAM contains invalid values. | Incompatible parameter file loaded. | Reload valid parameter set. |
| rET | Reset Error / Watchdog | Internal processor reset or watchdog timeout. | Severe EMC interference or control board hardware fault. | Check EMC grounding; if error recurs without external interference, internal hardware fault — return unit for repair. |
| Sd1 | Resolver Feedback Fault | Resolver signal loss or open circuit detected at X7. | Resolver cable damaged, plug X7 loose, resolver defective. | Check resolver cable connection and resolver winding resistances. |
| Sd2 | Incremental Encoder Fault | Track A / B signal failure at X8 input. | Encoder supply voltage missing, cable break, encoder damaged. | Check encoder power supply and signal wiring at X8. |
| Sd3 | Absolute Encoder Fault | Communication failure with absolute encoder (EnDat/SinCos). | Absolute encoder communication timeout, wiring fault. | Check absolute encoder connection at X8. |
| Sd6 | Motor Temp Sensor Wire Break | Open circuit detected on motor temperature sensor input X10. | Wire break in PTC cable connection. | Check temperature sensor lead wires. |
| CE0 | CAN Communication Error (Bus Off) | Integrated CAN bus interface entered Bus-Off state due to excessive error frames. | CAN bus line short circuit, incorrect termination resistor (120 Ohm required at ends), baud rate mismatch, noise. | Check CAN high/low lines, termination resistors, cable shield grounding, and node ID settings. |
| CE1 | Automation Module Fault (Slot 1) | Communication fault with optional plug-in module in automation slot. | Fieldbus master missing, fieldbus cable break, module loose. | Check fieldbus wiring and module seating. |
| NMAX | Maximum Speed Exceeded | Motor speed exceeded maximum permissible speed limit. | Incorrect speed controller tuning, field weakening overspeed, load driving motor. | Check speed limits in parameter C0011, check speed controller parameters. |
Frequently Asked Questions
What software is used to program and configure the Lenze EVS9327-ES drive?
The drive is parameterized using Lenze Global Drive Control (GDC) software connected via a PC system bus adapter, or locally using the plug-in Keypad XT (EMZ9371BC) operator panel.
How do I transfer parameter settings when replacing an EVS9327-ES drive?
Parameter sets can be backed up to a computer using GDC software or saved to a Keypad XT (EMZ9371BC) panel. Once transferred to the spare drive, execute parameter save command C0003 to store the settings in non-volatile EEPROM.
What motor feedback options are supported on the 00450924 servo drive?
The drive supports resolver feedback connected via Sub-D interface X7, as well as incremental, SinCos, and EnDat absolute encoders connected via Sub-D interface X8.
What does a solid red LED on the EVS9327-ES status display indicate?
A solid red LED indicates an active TRIP fault condition, which immediately locks the power stage and inhibits drive output to protect the motor and drive.
What optional fieldbus modules can be installed in the automation slot?
The drive supports plug-in fieldbus modules including the EMF2133IB (PROFIBUS-DP), EMF2102IB (LECOM RS-232/RS-485), and EMF2111IB (INTERBUS).
What steps should be taken if fault code OC1 appears on power-up?
Check motor cabling and windings for short circuits or ground faults. If OC1 occurs instantly upon powering up without a controller enable signal, an internal power stage hardware fault is present and the drive requires service or exchange.
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