Lenze 00408511 EVS9323-EP 9300 Servo Positioning Controller
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Product Information
The Lenze 00408511 (model EVS9323-EP) is a 1.5 kW servo drive and positioning controller belonging to the Lenze 9300 Servo family. Designed for precise motion tasks in automated machinery, this unit operates on a 3-phase supply rating of 400 V AC to 480 V AC, with an operational input range spanning 320 V AC to 528 V AC. It delivers a continuous output current of 3.9 A with a peak current capacity of 5.9 A for up to 60 seconds. Combining field-oriented vector control with integrated point-to-point and path positioning routines, the drive is housed in an IP20 enclosure suitable for installation inside standard industrial control cabinets.
Physical integration is facilitated by a Sub-D resolver connection alongside incremental encoder and frequency output interfaces, enabling closed-loop speed and position feedback. Multi-axis drive coordination is handled via an onboard System Bus (CAN) interface operating at transfer speeds up to 500 kbit/s. For broader plant automation, the drive includes a modular extension slot that supports optional fieldbus modules such as PROFIBUS DP (EMF2133IB), INTERBUS (EMF2111IB), or LECOM serial adapters. Commissioning and parameter configuration are managed using Lenze Global Drive Control (GDC) software or the pluggable XT Keypad (EMF2102IB). Up to four complete parameter sets can be stored in the non-volatile internal EEPROM, allowing parameter transfer to replacement units supported by ABC Industrial Parts without requiring full system re-engineering.
System health and operational states are reported directly through front-mounted green Ready and red Fault status LEDs, parameter C0183 status code readout, and a dedicated TRIP memory log spanning parameters C0168/1 through C0168/4. In the event of a fault, codes such as overcurrent (OC1–OC5), DC bus overvoltage (OU), undervoltage (LU), or heatsink overtemperature (OH) highlight specific external or environmental issues that can be addressed by inspecting motor wiring, braking resistors, or cooling airflow. However, internal hardware failures (H05) or EEPROM checksum errors (EEr) indicate internal control board defects that are not field-serviceable. When internal hardware faults occur, sourcing a tested replacement drive from ABC Industrial Parts provides a direct route back to operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00408511 |
| Model / Type | EVS9323-EP |
| Product Family | 9300 Servo |
| Component Type | Servo Drive |
| Rated Power | 1.5 kW |
| Supply Voltage | 3x 400 / 480 V AC |
| Supply Voltage Range | 320 - 528 V AC |
| Continuous Output Current | 3.9 A |
| Peak Output Current | 5.9 A |
| Maximum Output Frequency | 480 Hz |
| Switching Frequency | 8 kHz |
| Control Method | Field-oriented vector control / Servo positioning |
| Integrated Bus System | System Bus CAN (up to 500 kbit/s) |
| Protection Rating | IP20 |
Programming and Configuration
Parameter setting and motion profiling for the Lenze EVS9323-EP are conducted primarily through Lenze Global Drive Control (GDC) software or via the pluggable EMF2102IB XT Keypad. GDC offers interactive diagnostic monitoring, positioning profile definition, and error log evaluation over connected serial or fieldbus interfaces.
The drive contains non-volatile internal EEPROM memory capable of storing up to four complete parameter sets. By utilizing the pluggable XT Keypad, maintenance personnel can back up and clone parameter sets directly in the field without a computer, simplifying parameter replication during drive replacement.
Communication and System Integration
The Lenze 00408511 includes an integrated System Bus CAN interface supporting transmission rates up to 500 kbit/s. This system bus facilitates drive synchronization, axis coordination, and high-speed data exchange across multi-axis automated machines.
For integration into broader fieldbus networks, the drive features a modular extension slot that supports plug-in option cards. Compatible cards include PROFIBUS DP (EMF2133IB), INTERBUS (EMF2111IB), and LECOM serial interfaces. Resolver feedback is connected through a dedicated Sub-D terminal, complemented by incremental encoder and frequency output connections.
Diagnostics and Status Indication
Real-time diagnostic feedback on the EVS9323-EP is provided through status code parameter C0183 and a non-volatile TRIP memory log stored in parameters C0168/1 through C0168/4. Digital output terminals can also be configured to signal TRIP fault events to supervisory control systems.
Visual status checks are available via front panel LEDs and the optional XT Keypad display. Detailed fault history and online diagnostic traces are accessible through Lenze Global Drive Control (GDC) software.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready (Green) | Green - Solid / Blinking / Off | Off: Drive off or insufficient voltage; Blinking: Controller inhibited / ready for operation; Solid: Controller enabled / drive running. |
| Fault / Error (Red) | Red - Solid / Blinking / Off | Off: No active fault; Blinking: Active warning or message; Solid: Active TRIP fault condition present. |
Replacement and Spare Part Considerations
When installing a replacement Lenze 00408511 (EVS9323-EP), confirm that the physical model and power specifications match the existing unit (1.5 kW, 3.9 A output current). Any optional fieldbus cards installed in the expansion slot, such as PROFIBUS DP (EMF2133IB) or LECOM modules, should be swapped into the replacement drive.
Because application parameters are stored in local EEPROM memory, a spare drive requires configuration transfer prior to commissioning. Parameters can be copied using an EMF2102IB XT Keypad or loaded directly via Global Drive Control (GDC) software.
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 current peak on motor output phase during acceleration. | Short circuit in motor cable or motor winding, ground fault, acceleration ramp too short. | Check motor cable and motor insulation; check motor sizing; extend acceleration ramp time. |
| OC2 | Overcurrent during deceleration | Overcurrent detected on output stage during braking. | Deceleration ramp too short, excessive dynamic load, defective brake chopper or resistor. | Extend deceleration time; check external brake chopper/resistor connections. |
| OC3 | Overcurrent under constant operation | Motor output current exceeded threshold during constant speed operation. | Sudden mechanical load jam, motor overload, earth fault. | Inspect mechanical system for jams or overload; test motor and wiring insulation. |
| OC4 | Earth fault / Ground fault | Ground fault on one or more output phases detected. | Phase-to-ground insulation failure in motor cable or motor winding. | Check motor cable and motor windings with insulation tester; check wiring. |
| OC5 | I x t overload | Drive load threshold (I x t) exceeded limit for prolonged period. | Continuous load exceeds rated drive current; undersized drive. | Check process load; verify motor and drive sizing. |
| OU | DC bus overvoltage | DC bus voltage exceeds maximum limit (> 770 V DC). | Braking energy too high; deceleration ramp too steep; missing or defective braking resistor; mains supply transient. | Connect braking resistor; check brake chopper settings; extend braking time. |
| LU | DC bus undervoltage | DC bus voltage dropped below minimum threshold (< 430 V DC). | Mains supply failure, blown line fuse, line phase loss, supply drop. | Check AC supply voltage, line fuses, main contactor, and supply cables. |
| OH | Heatsink overtemperature | Drive heatsink temperature exceeded maximum threshold (> 90 °C). | Insufficient cabinet ventilation, dirty heatsink, cabinet fan failure, high ambient temperature. | Clean heatsink fins, check cabinet ventilation and fans, lower ambient temperature. |
| OH4 | Motor temperature monitoring | Motor PTC sensor / thermal contact triggered trip. | Motor thermal overload, insufficient motor cooling, defective sensor wire. | Allow motor to cool down, reduce load, inspect motor fan and PTC sensor circuit. |
| OH7 | Drive internal ambient temperature | Internal temperature inside control card section exceeds limit (> 70 °C). | Control cabinet internal ambient temperature too high. | Improve cooling inside control cabinet. |
| EEr | EEPROM checksum error | Internal EEPROM memory corrupted or read error upon startup. | Hardware error on control board, power failure during parameter saving. | Internal hardware fault or corrupt memory — reload default parameters; if persistent, return unit for repair. |
| H05 | Internal hardware failure | Internal control board self-test failed. | Internal electronic board defect. | Internal board failure — hardware fault, non-field-serviceable; unit requires repair or replacement. |
| CE0 | Automation module communication error | Communication failure between control board and optional plug-in module (Slot A/B). | Loose plug-in module, defective module, loose cable connection. | Check module seating; check fieldbus connection and bus wiring. |
| NMAX | Maximum speed exceeded | Actual motor speed exceeded maximum configured threshold (C0596). | Incorrect resolver/encoder connection, gain settings too high, runaway axis. | Check encoder/resolver wiring, check speed controller gain parameters. |
| PR0 | Positioning target error | Target position out of software limit switches. | Target coordinate setting beyond limits configured in parameters. | Check PLC target position data and software limit switch parameters. |
Frequently Asked Questions
What software is used to program the Lenze EVS9323-EP servo drive?
The drive is programmed and configured using Lenze Global Drive Control (GDC) software. Basic parameters and backup set transfers can also be managed using the pluggable EMF2102IB XT Keypad.
How can parameter configurations be cloned to a spare unit?
Parameter sets saved in the drive's non-volatile EEPROM can be copied to the pluggable XT Keypad (EMF2102IB) without a PC and uploaded directly into a replacement drive.
What does a solid red LED indicate on the front panel?
A solid red Fault LED indicates an active TRIP fault condition, which stops drive operation until the underlying fault is resolved and reset.
How are active fault codes checked on the EVS9323-EP?
Active fault codes can be inspected via parameter C0183 on the XT Keypad or through the diagnostic monitor in Global Drive Control (GDC) software. Recent trip events are logged in parameters C0168/1 through C0168/4.
What should be checked if the drive displays an OU fault code?
An OU fault indicates DC bus overvoltage exceeding 770 V DC. Verify deceleration ramp settings, check for proper operation of external braking resistors and brake choppers, and measure the incoming AC mains supply voltage.
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