Lenze 00470804 EVS9323-ES 9300 Servo Position Controller
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Product Information
The Lenze EVS9323-ES (part number 00470804) is a 1.5 kW servo position controller from the Lenze 9300 Servo series, engineered for high-precision motion control applications such as point-to-point axis positioning, electronic gearing, and synchronized multi-axis systems. Designed to operate on a 3-phase supply voltage ranging from 320 V AC to 528 V AC, this unit delivers a continuous rated output current of 3.9 A at an 8 kHz switching frequency and a maximum output frequency of 480 Hz. The drive handles demanding dynamic accelerations with a temporary overload capacity of up to 150% (5.85 A) for 60 seconds and a peak output current of 200% (7.8 A) for 0.5 seconds, making it well suited for packaging machinery, automotive production, textile processing, and printing lines.
Interfacing with field automation systems is facilitated via an onboard CANopen system bus operating at speeds up to 500 kbps, along with an integrated Automation Slot for optional fieldbus modules including PROFIBUS-DP (EMF2133IB), INTERBUS, and LECOM RS232/RS485 adapters. The controller features dedicated Sub-D terminal connectors for motor feedback, accepting standard 2-pole or multi-pole resolvers, SinCos sensors, and TTL incremental encoders. Replacing an existing unit requires transferring the drive parameter set, as the EVS9323-ES stores up to four switchable parameter configurations in non-volatile internal EEPROM. Technical specialists at ABC Industrial Parts can assist with parameter extraction and transfer using the Lenze Keypad XT (EMF2101IB) or Lenze Global Drive Control (GDC) Software V4.x/V5.x to match your machine profile prior to commissioning.
Real-time operational monitoring and fault diagnosis are provided directly through front-panel LED indicators and diagnostic tools. The green LED signals controller enable status or active inhibit modes, while the red LED alerts operators to warnings or solid trip conditions. When troubleshooting active faults—such as overcurrent (OC1), DC bus overvoltage (OU), undervoltage (LU), heatsink overtemperature (OH), or CAN communication failures (CE0)—technicians can access the trip history buffer using the Keypad XT module or GDC software status window. Initial diagnostic steps should include verifying mains supply voltages, motor cable insulation, thermal cooling fans, and fieldbus bus termination. Internal power stage failures or hardware errors like EEPROM checksum faults (EER) or control board self-test failures (H05) cannot be serviced in the field, making a pre-tested exchange unit or full board repair from ABC Industrial Parts the quickest solution to resume operations.
Technical Specifications
| Rated power | 1.5 kW |
| Supply voltage range | 320 - 528 V AC |
| Rated output current | 3.9 A |
| Max output current (60s) | 5.85 A |
| Peak output current (0.5s) | 7.8 A |
| Max output frequency | 480 Hz |
| Switching frequency | 8 kHz |
| Digital inputs | 8 |
| Digital outputs | 4 |
| Analog inputs | 2 (±10 V, 11-bit + sign) |
| Analog outputs | 2 (±10 V) |
| System bus interface | CANopen (up to 500 kbps) |
| Expansion slot | Automation Slot (PROFIBUS-DP, INTERBUS, LECOM) |
Programming and Configuration
The Lenze EVS9323-ES uses internal non-volatile EEPROM memory capable of holding up to four distinct, switchable parameter sets. This capability enables multi-product machinery to alternate between motion profiles, speed curves, and positioning routines without requiring complete external re-parameterization during product changeovers. Parameter configurations define key operation settings, including position trajectories, soft limit switches, dynamic acceleration ramps, and programmable digital I/O assignments.
Drive setup and parameter adjustments are performed using either the pluggable Lenze Keypad XT (EMF2101IB) or Lenze Global Drive Control (GDC) software (V4.x or V5.x). When connecting a PC via serial or bus adapters, GDC allows technicians to configure positioning profiles, execute online diagnostic monitoring, and transfer parameter sets directly to or from the controller. The Keypad XT keypad option enables direct parameter duplication from a donor unit on the plant floor without needing a PC.
Communication and System Integration
An integrated CANopen system bus interface is built directly into the main control board of the EVS9323-ES, supporting high-speed data exchange up to 500 kbps. This integrated bus facilitates multi-axis cross-communication, master-slave synchronizations, and direct integration with higher-level plant controllers.
For integration into broader industrial networks, the unit features an onboard Automation Slot. This slot accommodates optional communication modules such as the PROFIBUS-DP interface card (EMF2133IB), INTERBUS modules, and LECOM RS232/RS485 adapters. Physical control signals are connected through terminal points providing 8 programmable digital inputs, 4 digital outputs, 2 bipolar analog inputs (±10 V, 11-bit plus sign resolution), and 2 bipolar analog outputs (±10 V). Feedback interface ports utilize standard Sub-D connectors to integrate 2-pole or multi-pole resolvers, SinCos sensors, or TTL incremental encoders.
Diagnostics and Status Indication
Visual status monitoring on the EVS9323-ES is managed via two LED indicators on the front panel cover. The green LED indicates controller operating status, glowing solid when the controller is enabled and actively driving the motor, or flashing when a controller inhibit state is present (unit ready, output stage disabled). The red LED alerts users to fault conditions, illuminating solid during an active TRIP condition or flashing during an impending warning threshold.
Detailed fault evaluation is accessible through the optional Keypad XT display or the Lenze Global Drive Control software interface. Both tools display active TRIP fault codes and provide access to an internal fault history buffer, allowing maintenance personnel to diagnose DC bus overvoltage, thermal conditions, communication failures, and positioning profile syntax errors.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED | Green - Solid / Flashing | ON = Controller enabled and running; Flashing = Controller inhibit (ready, output disabled) |
| Red LED | Red - Solid / Flashing | ON = Active Trip / Fault condition; Flashing = Warning / Impending fault condition |
Replacement and Spare Part Considerations
When replacing an EVS9323-ES controller from the legacy Lenze 9300 Servo series, match the exact part number (00470804) to confirm electrical compatibility. Ensure the target drive supports the required 1.5 kW power rating, 3.9 A continuous current, and matching feedback interfaces for your installed Lenze 9300 series servo motor.
A replacement controller cannot run straight out of the box without loading the machine-specific parameter set. Transfer the parameter configuration from the original unit using the pluggable Keypad XT (EMF2101IB) module or upload the backup file using Lenze Global Drive Control software V4.x/V5.x. If the application utilizes an optional fieldbus card such as PROFIBUS-DP (EMF2133IB) in the Automation Slot, verify that the module is correctly seated and that network address switches and termination resistors match the active network configuration.
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 motor output terminals or extreme overcurrent detected in power stage | Short circuit in motor cable or motor winding, motor power rating too large, acceleration ramp too short | Check motor cable and motor insulation, check acceleration settings. If fault persists disconnected from motor, internal power stage failure — return unit for repair. |
| OC2 | Earth fault | Ground fault / earth leakage current limit exceeded | Ground fault in motor winding or motor supply lines, capacitive earth leakage cable current | Check motor wiring and insulation against protective earth. |
| OC5 | Controller overload (Ixt) | Ixt integration counter exceeded maximum threshold | Continuous overload operation, mechanical blockage in drive train | Check mechanical load, verify motor and drive sizing. |
| OU | Overvoltage DC bus | DC bus circuit voltage exceeded upper limit (> 770 V DC) | Regenerative motor energy during deceleration too high, brake resistor defective or not connected | Extend deceleration time, connect brake chopper / braking resistor, verify mains voltage. |
| LU | Undervoltage DC bus | DC bus circuit voltage dropped below lower limit (< 430 V DC) | Mains voltage supply interrupted, phase failure, mains voltage too low | Check mains power supply and supply fuses. |
| OH | Heatsink overtemperature | Heatsink temperature exceeded 85°C / 90°C threshold | Insufficient ventilation, fan defective or clogged, ambient air flow blocked | Clean heat sink fins, check cooling fan operation, ensure adequate cabinet ventilation. |
| OH4 | Motor temperature overtemperature | Motor temperature sensor trip (PTC / KTY input active) | Motor thermal overload, cooling fan on motor failed, defective sensor connection | Allow motor to cool down, check motor load and temperature sensor wiring. |
| CE0 | System bus communication error | Communication failure on integrated CAN system bus interface | CAN bus line interrupted, incorrect baud rate, missing termination resistor | Check bus wiring, termination switches, and node IDs. |
| CE1 | Automation slot communication error | Communication error between drive control board and optional fieldbus card | Fieldbus module loose or defective, external fieldbus network master failure | Re-seat communication module in slot, verify fieldbus network status. |
| EER | EEPROM checksum error | Internal non-volatile parameter memory fault | Power down during save command, corrupt EEPROM chip | Reload factory default parameter set via C0002. Internal hardware fault if error persists — return unit for repair. |
| H05 | Internal hardware failure | Internal control board self-test fault | Control board malfunction, micro-controller defect | Internal hardware failure — return unit for repair. |
| PR0 | Positioning program error | Invalid parameter set or syntax error in position positioning sequence profile | Invalid position profile target, software trajectory out of soft limit bounds | Verify positioning parameters and travel limits in parameter set. |
Frequently Asked Questions
How do I transfer parameters from a failed EVS9323-ES to a replacement unit?
Parameter sets can be copied directly using the plug-in Lenze Keypad XT (EMF2101IB) module or uploaded from a PC backup using Lenze Global Drive Control (GDC) software V4.x or V5.x.
What motor feedback types does the Lenze EVS9323-ES support?
The drive supports standard 2-pole or multi-pole resolvers, SinCos encoders, and TTL incremental encoders connected via dedicated Sub-D terminal connectors.
What should I do if an OC1 fault code appears on the drive display?
Check the motor wiring, motor insulation, and acceleration ramp settings. If the OC1 overcurrent fault persists even after disconnecting the motor cable from the drive output, an internal power stage hardware failure has occurred and the unit requires repair.
Can the EVS9323-ES be integrated into a PROFIBUS network?
Yes. While the controller has a built-in CANopen system bus, it can be integrated into PROFIBUS-DP networks by installing an optional PROFIBUS-DP expansion module (EMF2133IB) into the onboard Automation Slot.
What are the main electrical power ratings for the Lenze EVS9323-ES?
The unit operates on a 3-phase supply voltage range of 320 V AC to 528 V AC, providing a rated output power of 1.5 kW and a continuous output current of 3.9 A.
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