Lenze 00451599 EVS9321-EPV004 9300 Servo Positioning Controller Drive
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Product Information
The Lenze 00451599 (EVS9321-EPV004) is a 0.75 kW servo drive and integrated positioning controller from the Lenze 9300 Servo family. Built for dynamic motion applications, the drive operates on a 3-phase AC mains supply from 320 V AC to 528 V AC and delivers a rated output current of 2.5 A at 400 V AC. To support demanding acceleration phases in packaging lines, material handling, and metal processing equipment, the unit provides a 150% peak overload capacity of 3.75 A for up to 60 seconds. Motor feedback is supported directly through a resolver interface via Sub-D connection or terminal X6, alongside incremental encoder feedback terminals.
Connecting and commissioning a replacement EVS9321-EPV004 unit requires transferring the parameter configuration from the original drive. System communication is anchored by an integrated CANbus interface operating at up to 500 kbit/s, supported by a modular Automation Interface (AIF) slot for option cards such as PROFIBUS-DP (EMF2133IB) or INTERBUS (EMF2102IB). Terminal connections provide 6 digital inputs, 4 digital outputs, and dual 10-bit analog I/O pairs. Configuration is handled using Lenze Global Drive Control (GDC) software or an EMZ9371BC keypad module, which enables transfer across up to four internal parameter sets. When restoring production on critical machinery, ABC Industrial Parts offers replacement units and technical guidance to ensure accurate parameter migration.
Diagnostic information is displayed through onboard LEDs, keypad menus, and software diagnostic tools. A solid or flashing green Ready LED indicates operational readiness or active parameter transfer, while a solid or flashing red Fault LED indicates a trip condition or warning state. Up to 8 past error codes with timestamps are stored in the internal fault history buffer under parameter C0168. Routine troubleshooting on site includes checking main AC supply voltages, verifying motor connections and thermal sensor wiring on terminals T1/T2, testing 120 Ohm CANbus termination, and verifying resolver wiring on connector X6. If internal hardware defects such as EEPROM failure (C0015) or system faults (C0003) persist, unit repair or a replacement drive from ABC Industrial Parts provides a fast route back to full production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00451599 |
| Model / Type | EVS9321-EPV004 |
| Product Family | 9300 Servo |
| Component Type | Servo Drive / Positioning Controller |
| Rated Power Output | 0.75 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Output Current | 2.5 A |
| Max Peak Output Current | 3.75 A (150% overload for 60s) |
| Output Voltage Range | 0 - 480 V AC |
| Switching Frequency | 8 kHz |
| Digital I/O Channels | 6 Inputs / 4 Outputs |
| Analog I/O Channels | 2 Inputs / 2 Outputs (10-bit) |
| Integrated Fieldbus | CANbus / CANopen (up to 500 kbit/s) |
| Feedback Interfaces | Resolver (X6 / Sub-D), Incremental Encoder (X7) |
Programming and Configuration
Parameterization and positioning control set-up for the Lenze 00451599 (EVS9321-EPV004) drive are performed using Lenze Global Drive Control (GDC) software or the detachable EMZ9371BC LCD keypad module. The internal memory structure accommodates up to four independent parameter sets, allowing versatile configuration of speed profiles, positioning tasks, and axis acceleration limits.
When commissioning a spare unit, stored parameter sets can be copied directly using the EMZ9371BC keypad module or downloaded via a PC running GDC. If a full reset to baseline factory parameters is needed, parameter C0002 can be triggered. Real-time operation and historical diagnostic logs are maintained internally, with parameter C0168 holding up to 8 previous error codes accompanied by operational timestamps.
Communication and System Integration
The Lenze EVS9321-EPV004 contains an integrated CANbus system bus interface supporting transfer rates up to 500 kbit/s. This system bus provides direct networking between multi-axis drive groups and system controllers. Proper installation requires fitment of 120 Ohm bus termination resistors at each physical end of the CAN network and identical baud rate selection across all nodes.
To connect to plant-wide networks, the drive features a front-mounted Automation Interface (AIF) slot. This interface accepts optional communication modules, including the EMF2133IB PROFIBUS-DP card and the EMF2102IB INTERBUS card. Hardwired control capabilities are provided through onboard terminals featuring 6 digital inputs, 4 digital outputs, and two 10-bit analog input/output channels.
Diagnostics and Status Indication
Status monitoring on the Lenze 00451599 is facilitated through front panel status LEDs, the optional EMZ9371BC keypad LCD screen, and PC-based GDC diagnostics. The green Ready LED remains illuminated solid during standard operation and flashes during active parameter saving or warning states. The red Fault LED illuminates solid during drive trips and flashes during active warnings.
Detailed fault analysis is supported by the onboard diagnostic buffer under parameter C0168, which logs the 8 most recent fault codes alongside timestamps. Technicians can interrogate error logs, review status words, and monitor live drive parameters directly through the keypad display or GDC software environment.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready LED | Green - Solid / Flashing | Green indicates operational readiness; flashing indicates parameter transfer or warning |
| Fault LED | Red - Solid / Flashing | Red indicates fault or trip state; flashing indicates warning state |
Replacement and Spare Part Considerations
When replacing an existing Lenze 00451599 drive, verify that the replacement carries the exact model code EVS9321-EPV004. Matching the full part number guarantees identical power hardware, resolver feedback evaluation, and internal positioning logic.
Before taking the failed drive out of service, extract and back up all four parameter sets using Global Drive Control (GDC) software or the EMZ9371BC keypad module. Transfer any installed plug-in communication module, such as the EMF2133IB PROFIBUS-DP card, to the replacement drive's AIF slot. After mounting and wiring the spare unit, write the backed-up parameter configuration to memory, and re-verify homing routines, software limit switches, and CANbus node parameters before returning the machine to automatic operation.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| C0003 | System fault | Internal hardware failure or severe system error. | Internal control board component defect or strong electromagnetic interference. | Internal hardware fault — if error persists after power cycle, return unit for repair. |
| C0011 | Overcurrent during acceleration (OC1) | Output current exceeded internal threshold during acceleration phase. | Acceleration time too short, motor wire short circuit, earth fault, or wrong motor data. | Check motor cable and insulation, extend acceleration ramp, verify motor parameters. |
| C0012 | Overcurrent during deceleration (OC2) | Output current exceeded internal threshold during deceleration phase. | Deceleration time too short, regenerative energy too high, or short circuit. | Extend deceleration ramp, connect brake resistor, check motor wiring. |
| C0013 | Overcurrent operational (OC5) | Overcurrent occurred during steady-state operation. | Sudden mechanical load peak, mechanical stall, short circuit in motor cable. | Inspect mechanical drive train for blockages, check motor wiring. |
| C0014 | Ixt motor overload (Ixt) | Thermal load monitor for motor activated. | Continuous operation at excessive current, undersized motor. | Check motor sizing, reduce mechanical load, verify motor cooling. |
| C0015 | EEPROM fault (EEPR) | Error reading or writing internal non-volatile memory. | Data corruption during saving, power failure during save operation, defective EEPROM hardware. | Reload factory default settings (C0002). If error persists, internal control board fault — contact service. |
| C0022 | Heatsink overtemperature (OH) | Heatsink temperature exceeded upper limit (>90 °C). | Insufficient ventilation, fan failure, ambient temperature too high, dirty heatsink fins. | Clean heatsink, check cabinet cooling and fan operation. |
| C0023 | Motor thermal overload (OH4) | Motor PTC / thermal contact triggered via T1/T2 terminals. | Motor overheating, defective cooling fan, sensor wire break. | Allow motor to cool down, check motor thermal sensor connections and motor ventilation. |
| C0024 | Drive internal overtemperature (OH3) | Internal control board temperature exceeded safety limit (>70 °C). | Excessive enclosure temperature, fan defect. | Improve control cabinet cooling, check unit fan. |
| C0030 | DC-bus overvoltage (OU) | DC bus voltage exceeded maximum allowable threshold. | Deceleration ramp too short, defective brake chopper, missing or wrong brake resistor. | Increase deceleration time, check brake chopper and brake resistor connection/value. |
| C0031 | DC-bus undervoltage (LU) | DC bus voltage fell below minimum allowable threshold. | Mains supply failure, supply voltage too low, blown input fuse. | Check supply line voltage, fuses, and main contractor switch. |
| C0040 | Mains phase failure (LP) | Phase loss detected on AC mains input. | Failure of one input AC phase, loose supply terminal screw, asymmetric supply. | Verify 3-phase AC power input line voltages and terminal tightness. |
| C0051 | Keypad communication failure | Communication failure between drive control board and EMZ9371BC keypad. | Keypad plugged incorrectly, bad contact, dirty connector pins. | Re-seat keypad module, check contacts. |
| C0064 | Automation module fault (AIF-CE) | Communication fault with plug-in module in AIF slot. | Fieldbus network interruption, missing module, defective fieldbus module. | Check fieldbus wiring, fieldbus master, and module seated in slot. |
| C0070 | System bus timeout (CAN-TIME) | CANbus message timeout on Lenze System Bus. | CAN line broken, bus termination missing, remote node failed. | Check CAN bus cable, termination resistors (120 Ohm), and CAN master. |
| C0071 | System bus off (BUS-OFF) | CAN controller entered Bus-Off state due to excessive error counters. | Incorrect CAN baud rate settings, heavy noise/interference, wrong pinout. | Verify CAN wiring, shielding, baud rate match across all nodes. |
| C0082 | Resolver fault (Sd1) | Feedback failure on resolver terminal X6. | Resolver cable broken, plug disconnected, resolver defective. | Check resolver cable, connector X6, and resolver winding resistance. |
| C0083 | Encoder fault (Sd2) | Feedback fault on incremental encoder terminal X7. | Encoder cable break, missing pulse signal, power supply missing. | Check encoder wiring, encoder supply voltage, and encoder tracks. |
| C0090 | Following error / Position error (P-Err) | Position deviation between target position and actual position exceeded defined tolerance threshold (C0254). | Mechanical overload, axis blocked, position controller gain too low, acceleration too aggressive. | Check mechanical axis for movement freedom, adjust position loop gain / acceleration ramps, check following error limits. |
| C0091 | Hardware limit switch positive reached (LimP) | Positive limit switch input triggered during positioning. | Axis moved past positive travel range, wrong direction sense. | Move axis back into allowable range in manual / jog mode. |
| C0092 | Hardware limit switch negative reached (LimN) | Negative limit switch input triggered during positioning. | Axis moved past negative travel range, wrong direction sense. | Move axis back into allowable range in manual / jog mode. |
| C0093 | Software limit switch reached (SLim) | Target position or actual position exceeded configured software limit switch bounds. | Position command outside software limits, homing position wrong. | Verify homing/referencing point and program software limit positions. |
Frequently Asked Questions
How do I transfer parameter settings to a replacement Lenze 00451599 drive?
Parameters can be saved and transferred using the pluggable EMZ9371BC keypad module or via PC using Lenze Global Drive Control (GDC) software. Upload the stored parameter sets from the original drive and write them directly into the replacement unit.
What motor feedback devices can be connected to the EVS9321-EPV004?
The EVS9321-EPV004 drive features a dedicated resolver feedback connection on terminal X6 / Sub-D interface, as well as connections for incremental encoders on terminal X7.
How can optional fieldbus protocols like PROFIBUS-DP be added?
Fieldbus expansion is achieved by plugging an Automation Interface (AIF) module into the slot on the front of the drive. Supported options include the EMF2133IB module for PROFIBUS-DP and the EMF2102IB module for INTERBUS.
What do the green and red status LEDs on the front panel mean?
The green Ready LED indicates operational readiness when solid and flashes during active parameter transfers or warnings. The red Fault LED illuminates solid during a trip fault and flashes when a warning condition is active.
How do I read past fault history on the EVS9321-EPV004 drive?
Past error logs are retained in the internal fault buffer under parameter C0168. Up to 8 fault codes with operational timestamps can be accessed via the EMZ9371BC keypad display or GDC software.
What should I inspect if fault code C0082 (Sd1) occurs?
Fault C0082 indicates a resolver feedback error. Check the resolver cable, verify connector seating at terminal X6, and measure the resolver winding resistance.
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