Lenze EVS9323-EK 9300 Servo Cam Profiler Controller
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Product Information
The Lenze EVS9323-EK is a 1.5 kW servo controller belonging to the 9300 Servo Cam Profiler series within the 9300 Servo family. Designed for precise electronic motion synchronization and complex cam profile execution, it replaces traditional mechanical cams with programmable software profiles to eliminate mechanical wear. The unit operates on a 3-phase AC supply spanning 320 V AC to 528 V AC at 45 to 65 Hz, providing a continuous rated output current of 3.9 A at up to 400 V AC output and a 150% peak current capacity of 5.9 A for up to 60 seconds. Housed in an IP20 enclosure with field-oriented vector control capability, this drive supports continuous motion coordination across packaging, converting, printing, and material handling systems.
Interfacing the EVS9323-EK into control architectures is supported by onboard control terminals, fieldbus connectivity, and configurable parameter management. The controller features 8 programmable digital inputs, 4 digital outputs, and 2 bipolar analog input and output channels operating from -10 V to +10 V. High-speed networking between drives is facilitated by an integrated CAN-based Lenze System Bus operating up to 500 kbit/s, while an Automation Interface slot accommodates expansion modules including PROFIBUS-DP (EMF2133IB or EMF2131IB) and LECOM RS-232/RS-485 (EMF2102IB). Putting a spare controller into service requires transferring application parameters stored in non-volatile memory, which holds up to four complete parameter sets. Parameter transfer can be performed using the plug-in Keypad XT (EMF2171IB) or Lenze Global Drive Control software, where ABC Industrial Parts can assist in sourcing matched replacement units or verifying parameter backups before commissioning.
Diagnostics on the drive are monitored via front panel LED status displays, terminal signals, and engineering software interfaces. Operational readiness is signaled by a continuous green DRV-READY LED, while a solid or blinking red DRV-BUSY / FAULT LED indicates active faults, pulse inhibits, or warning conditions. The unit generates specific diagnostic codes accessible through the Keypad XT, System Bus, Automation Interface connection, or software diagnostic windows. First-line troubleshooting for conditions such as DC bus overvoltage (OU), undervoltage (LU), phase failure (PE), or communication faults (CE0, CE1) includes verifying mains supply voltages, checking 120-ohm CAN termination resistors, and inspecting expansion module seating. In cases where internal memory corruption (EER) persists after reloading factory defaults, or when internal control board faults (H05) occur, hardware-level failures are indicated that cannot be serviced in the field, making unit repair or a bench-tested replacement from ABC Industrial Parts the most practical path to restoring production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVS9323-EK |
| Model / Type | 9300 Servo Cam Profiler |
| Component Type | Servo Controller |
| Rated Power | 1.5 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Output Current | 3.9 A |
| Maximum Output Current | 5.9 A |
| Output Voltage | 0 - 400 V AC |
| Maximum Output Frequency | 480 Hz |
| Switching Frequency | 8 kHz |
| Protection Rating | IP20 |
| Digital Inputs | 8 |
| Digital Outputs | 4 |
| Analog Inputs | 2 bipolar (-10V to +10V) |
| Analog Outputs | 2 bipolar (-10V to +10V) |
Programming and Configuration
Configuration and parameter setup for the Lenze EVS9323-EK are carried out using Lenze Global Drive Control software or the plug-in Keypad XT (EMF2171IB). Internal EEPROM non-volatile memory stores up to four complete parameter sets, allowing multi-profile storage and parameter management directly on the drive.
When commissioning a replacement controller, stored parameter backups must be transferred to align motion profiles, I/O mapping, and motor data with the specific machine setup. The Keypad XT enables handheld parameter set copy and transfer between drives, while Global Drive Control software provides complete project archiving, parameter editing, and online diagnostics.
Communication and System Integration
The EVS9323-EK includes an integrated CAN-based Lenze System Bus capable of data transmission rates up to 500 kbit/s. This bus enables direct peer-to-peer communication between multiple drive controllers for multi-axis motion synchronization without placing load on a central PLC.
For higher-level network integration, the drive features a built-in Automation Interface slot that accepts optional communication modules. Supported modules include PROFIBUS-DP (EMF2133IB or EMF2131IB), LECOM RS-232/RS-485 (EMF2102IB), and INTERBUS units. Terminal-level hardware interface connections include 8 digital inputs, 4 digital outputs, and 2 bipolar (-10V to +10V) analog inputs and outputs.
Diagnostics and Status Indication
Visual status indication on the EVS9323-EK front panel is provided by two LEDs that show real-time operational state and fault conditions. Detailed trip codes and operational warnings can be monitored using the Keypad XT display, Lenze Global Drive Control software, or fieldbus networks via the System Bus or Automation Interface slot.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRV-READY | Green - Solid | Drive operational status / ready for operation when illuminated continuously |
| DRV-BUSY / FAULT | Red - Solid / Flashing | Fault condition active (TRIP or IMP pulse inhibit triggered). Blinking indicates active warning or fault. |
Replacement and Spare Part Considerations
When swapping out a failed Lenze EVS9323-EK controller, ensure the candidate unit matches the exact part number and power specifications (1.5 kW, 3.9 A continuous output). Transfer any existing Automation Interface expansion module—such as a PROFIBUS EMF2133IB or LECOM EMF2102IB card—from the original unit to the replacement.
A replacement controller requires loading the machine-specific parameter set into its EEPROM memory before operation. Use the Keypad XT (EMF2171IB) or Lenze Global Drive Control software to restore parameter backups. Always inspect motor PTC sensor connections on terminals X6 and verify that 120-ohm termination resistors are correctly set on the CAN System Bus.
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 at output or excessive motor current detected. | Short circuit in motor cable, short circuit in motor winding, acceleration time set too short. | Check motor and wiring for short circuits; check acceleration time settings. |
| OC2 | Earth fault | Ground fault / earth fault detected in motor circuit. | Insulation failure in motor cable or motor winding, capacitive earth currents. | Check motor cable and motor insulation resistance to earth. |
| OC5 | Ixt overload | Drive thermal overload due to sustained high current demand. | Sustained overload operation, incorrect motor power setting, mechanical binding. | Reduce mechanical load; check drive sizing and motor parameter settings. |
| OU | Overvoltage DC bus | DC bus voltage exceeds maximum safe limit. | Excessive regenerative energy during deceleration, missing or undersized brake resistor. | Increase deceleration time or install/check braking resistor and brake chopper. |
| LU | Undervoltage DC bus | DC bus voltage fallen below lower limit threshold. | Supply mains voltage too low, line phase failure, momentary power interruption. | Check mains input voltage and supply fuses. |
| OH | Heatsink overtemperature | Drive heatsink temperature exceeded thermal threshold. | Insufficient cooling airflow, ambient temperature too high, dirty heatsink, fan failure. | Clean heatsink, ensure adequate cabinet ventilation, check cabinet fan operation. |
| OH4 | Motor thermal overload | Motor temperature sensor (PTC / thermal contact) triggered. | Motor overheating due to overload, insufficient motor cooling, defective thermal sensor connection. | Allow motor to cool down, check motor load, check PTC connection on terminals X6. |
| CE0 | AIF communication error | Communication failure between control board and AIF module. | AIF module loose, fieldbus cable disconnected or faulty, fieldbus master stopped. | Check seating of AIF module, check fieldbus cable and bus master status. |
| CE1 | System Bus (CAN) error | Communication interruption or bus-off condition on System Bus. | CAN bus cable fault, missing termination resistors, baud rate mismatch. | Verify CAN bus wiring, check 120-ohm termination resistors and baud rate settings. |
| PE | Phase failure | Mains supply phase failure detected. | Loss of one supply phase, blown input fuse, uneven phase load. | Check mains supply wiring, line fuses, and main contractor. |
| H05 | Internal hardware fault | Internal hardware control board fault. | Hardware component failure, internal memory access error. | Internal hardware fault — return unit to Lenze service for repair or replace controller. |
| EER | EEPROM memory fault | Internal non-volatile parameter memory checksum error. | EEPROM corruption or hardware failure during writing. | Reload factory settings and restore parameter backup. If error persists, internal board failure requiring unit repair. |
Frequently Asked Questions
What tools are required to transfer parameters to a replacement EVS9323-EK?
Parameter transfer is performed using either the plug-in Keypad XT (EMF2171IB) for direct handheld copying or Lenze Global Drive Control (GDC) software via a PC link. The drive stores up to four parameter sets in internal EEPROM memory.
Which fieldbus modules can be used with the EVS9323-EK?
The controller features an integrated Automation Interface (AIF) slot that supports PROFIBUS-DP modules (EMF2133IB / EMF2131IB), LECOM RS-232/RS-485 modules (EMF2102IB), and INTERBUS modules, alongside the built-in CAN System Bus.
What do the front panel status LEDs indicate?
A solid green DRV-READY LED indicates the drive is powered and operational. A solid or flashing red DRV-BUSY / FAULT LED signals an active fault condition, such as a TRIP or IMP pulse inhibit, or an active warning.
How should an OC1 fault code be addressed?
An OC1 code indicates short circuit or overcurrent at the output. Check the motor cabling and motor windings for short circuits, and confirm that acceleration ramp times are not set too short for the load.
Can an H05 fault code be resolved in the field?
An H05 fault indicates an internal hardware control board or memory access failure. This fault cannot be repaired through field servicing and requires unit repair or controller replacement.
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