Lenze EVS9322-ESV906 EVS9322-ES 9300 Series 0.75kW Servo Inverter
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Product Information
The Lenze EVS9322-ESV906 is a 0.75 kW servo inverter from the 9300 Servo series, designated under model type EVS9322-ES. Operating across a 3-phase line supply voltage range of 320 V AC to 528 V AC with a rated mains input current of 2.2 A, this IP20-rated controller delivers a continuous output current of 2.5 A at a default switching frequency of 8 kHz and a maximum output frequency of 600 Hz. Built for high-dynamic motion applications, the drive utilizes field-oriented vector control suitable for both synchronous servo motors and asynchronous induction motors.
Physical interfacing includes a dedicated 15-pin Sub-D resolver input at connector X7, a 9-pin master frequency or incremental encoder interface, six digital inputs, four digital outputs, two differential analog inputs, and two analog outputs. System integration relies on an integrated CAN system bus alongside a top-mounted Automation Interface slot that accepts plug-in fieldbus adapters such as PROFIBUS-DP (EMF2102IB), EtherCAT (EMF2192IB), or INTERBUS (EMF2171IB). Commissioning a replacement unit requires restoring the parameter dataset to internal non-volatile EEPROM, which holds up to four parameter sets. Configurations can be transferred using Lenze Global Drive Control (GDC) software version 4.0 or higher via a PC System Bus Adapter (EMF2177IB or EMF2173IB), or directly using a pluggable Keypad XT (EMF2101IB) module. ABC Industrial Parts provides technical support when recovering parameter data or preparing replacement units for service.
Status monitoring is provided via onboard LEDs, where a green Operation LED indicates controller enable and operational readiness, while a red TRIP LED signals an active fault condition. Detailed diagnostic evaluation is accessible through the Keypad XT error history buffer under code C0168, GDC software diagnostic screens, or relay output monitoring on terminal X5. First-line checks for drive trips should focus on mains voltage consistency, motor thermistor wiring on terminal X10, fieldbus module seating, and 120-Ohm CAN bus termination. In the event of EEPROM memory corruption (EER) or control board processing failures (H05), internal hardware repairs are required, making a tested replacement drive from ABC Industrial Parts an effective path to restoring production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9322-ESV906 |
| Model / Type | EVS9322-ES |
| Product Family | 9300 Servo |
| Component Type | Servo Inverter |
| Rated Power Output | 0.75 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Mains Input Current | 2.2 A |
| Continuous Output Current | 2.5 A |
| Default Switching Frequency | 8 kHz |
| Maximum Output Frequency | 600 Hz |
| Protection Rating | IP20 |
| Digital Inputs | 6 |
| Digital Outputs | 4 |
| Analog Inputs | 2 |
| Analog Outputs | 2 |
Programming and Configuration
The Lenze 9300 Servo series utilizes Lenze Global Drive Control (GDC) software version 4.0 or higher for setup, parameter adjustment, and drive configuration. Connecting an engineering PC to the EVS9322-ESV906 is accomplished through a Lenze PC System Bus Adapter, such as model EMF2177IB or EMF2173IB, attached to the CAN system bus terminals.
The inverter stores configuration settings in non-volatile onboard EEPROM memory, which holds up to four independent parameter sets. Parameters can also be edited or transferred manually using the pluggable Keypad XT (EMF2101IB) module. When transferring parameter files during replacement, verifying dataset integrity is required to avoid parameter set faults (PI) caused by incomplete or mismatched parameter structures.
Communication and System Integration
Networking for multi-axis synchronization on the EVS9322-ESV906 is supported by an onboard CAN system bus interface. This system bus provides high-speed drive-to-drive cross-communication without requiring additional fieldbus hardware. Bus lines must be correctly fitted with 120-Ohm terminating resistors at both physical ends of the line to prevent signal transmission errors.
Higher-level control network integration is provided through the top-mounted Automation Interface (AIF) slot. This modular slot accommodates plug-in communication adapters, including PROFIBUS-DP (EMF2102IB), EtherCAT (EMF2192IB), and INTERBUS (EMF2171IB). Disruption in communication between the main control board and the installed fieldbus module triggers an AIF communication fault (CE0).
Diagnostics and Status Indication
Visual status indication is provided directly on the front panel of the drive via two LED indicators. The green Operation LED indicates operational state and active controller enable through solid or flashing patterns. The red TRIP LED illuminates solid or flashes when a drive trip or fault condition occurs.
Advanced diagnostic data can be retrieved using Global Drive Control software for oscilloscope monitoring and real-time status dialogues. When equipped with a Keypad XT module, historical error events are stored in parameter C0168. External alarm signaling is supported through a potential-free TRIP relay output accessible via terminal X5.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| TRIP | Red - Solid / Flashing | Fault state / drive trip active |
| Operation | Green - Solid / Flashing | Drive operational status / controller enable active |
Replacement and Spare Part Considerations
When replacing a failed unit, verify that the replacement part number matches EVS9322-ESV906 and model designation EVS9322-ES. The operational parameter set must be uploaded from the original drive or backup file and transferred to the replacement controller via GDC software or Keypad XT to preserve motor parameters, I/O mapping, and bus configurations.
Pluggable Automation Interface modules, such as PROFIBUS-DP or EtherCAT cards, should be transferred to the replacement unit and checked to ensure correct physical seating in the AIF slot. Before re-energizing the machine, confirm that CAN bus termination resistors (120 Ohm) and node address settings are correctly configured.
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 | Short circuit or extreme pulse current detected at output stages. | Short circuit in motor cable, motor winding fault, or short circuit to PE. | Check motor and wiring for short circuit or earth fault; check motor power rating settings. |
| OC2 | Earth fault | Earth fault detection triggered on output phase. | Motor cable earth fault, capacitive motor cable charging currents, or winding breakdown to ground. | Check motor insulation and cables for earth leakage; verify max allowable cable length. |
| OC5 | I*t overcurrent | Continuous current limit exceeded for prolonged time. | Mechanical overload, motor size undersized for application, mechanical block. | Check drive loading, verify mechanical system moves freely, adjust acceleration times. |
| OU | Overvoltage DC bus | DC bus voltage exceeded upper limit (>770 V DC). | Excessive regenerative energy during deceleration, brake chopper resistor disconnected or defective, deceleration ramp too short. | Extend deceleration time, check external braking resistor and brake module wiring. |
| LU | Undervoltage DC bus | DC bus voltage fell below minimum operation threshold (<285 V DC or <430 V DC depending on power supply mode). | Mains supply failure, voltage dip, phase failure, or blown mains input fuse. | Check mains voltage input, line fuses, and supply line connections. |
| OH | Heatsink temperature high | Power section heatsink temperature exceeded threshold (>90°C). | Insufficient cooling airflow, ambient temperature too high, fan failure, dirty heatsink fins. | Clean heatsink, inspect enclosure cooling/ventilation, verify fan operation. |
| OH4 | Motor temperature high (PTC) | Motor thermistor/PTC sensor triggered on terminal X10. | Motor overtemperature, heavy duty cycle without cooling, defective PTC sensor wiring. | Allow motor to cool down, check load and cooling, check PTC sensor connections. |
| OH7 | Motor temperature thermal model (I²t) | Calculated motor load thermal model threshold exceeded. | Continuous high current at low motor speeds. | Check motor sizing, duty cycle, and thermal parameters in controller configuration. |
| OH8 | Inside temperature high | Internal enclosure temperature inside drive exceeded limits. | Ambient temperature in control cabinet too high. | Improve control cabinet ventilation / air conditioning. |
| CE0 | AIF communication fault | Communication lost between drive control board and plug-in automation module (AIF slot). | Fieldbus module disconnected, loose contact, external fieldbus network fault. | Check plug-in module seats firmly, verify fieldbus cabling and master status. |
| CE1 | System Bus (CAN) error | CAN system bus communication fault / bus off. | Baud rate mismatch, broken CAN cable, missing bus termination resistors (120 Ohm). | Check CAN wiring, bus termination, baud rate setting, and bus load. |
| EER | EEPROM memory fault | Non-volatile EEPROM memory read/write error during operation or boot. | Internal EEPROM component failure or corruption during save process. | Internal hardware fault — reload default parameter set; if fault persists, return unit for repair. |
| H05 | Internal hardware error | Control board power supply or processor hardware check failed. | Internal component failure on control PCB or power section. | Internal hardware fault — return unit for repair or replace controller. |
| NMAX | Max speed exceeded | Motor speed exceeded parameter set maximum speed limit. | Incorrect tuning gains, overspeed due to external overhauling load. | Check speed loop parameters, feedback encoder signals, and load conditions. |
| LP1 | Mains phase failure | One phase missing on mains supply input. | Blown mains input fuse or disconnected supply line. | Check 3-phase mains voltage at input terminals. |
| PI | Parameter set fault | Invalid or incompatible parameter dataset loaded. | Incomplete parameter transfer or firmware mismatch during restore. | Re-download valid parameter set or perform factory reset. |
| Sd2 | Resolver / feedback error | Resolver signal fault or cable break detected on connector X7. | Damaged resolver cable, loose shield, broken resolver coil. | Check resolver cabling, connector seat at X7, and motor feedback signals. |
Frequently Asked Questions
Which software and interface adapter are required to configure the EVS9322-ESV906?
Configuration requires Lenze Global Drive Control (GDC) Software Version 4.0 or higher, connected to the drive using a Lenze PC System Bus Adapter (EMF2177IB or EMF2173IB). Parameters can also be altered using the optional Keypad XT (EMF2101IB).
What fieldbus option modules can be installed in the EVS9322-ESV906?
The top-mounted Automation Interface (AIF) slot supports optional communication modules including PROFIBUS-DP (EMF2102IB), EtherCAT (EMF2192IB), and INTERBUS (EMF2171IB), alongside the built-in CAN system bus interface.
What does fault code OC1 mean on this servo inverter?
Fault code OC1 indicates a short circuit or extreme pulse current at the inverter output stages. Troubleshooting involves checking the motor windings and power cabling for earth faults or short circuits and verifying motor power settings.
How are parameters transferred when replacing an EVS9322-ESV906 drive?
Parameter sets saved in non-volatile EEPROM memory can be read from the original drive and written to the spare unit using Global Drive Control (GDC) software or copied directly using a Keypad XT (EMF2101IB) module.
What feedback devices connect directly to the EVS9322-ESV906?
The drive includes a dedicated 15-pin Sub-D resolver interface at connector X7, as well as a 9-pin interface supporting incremental encoder input or master frequency signals.
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