Lenze 00473052 EVS9322-EPV004 9300 Servo Positioning Controller
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Product Information
The Lenze EVS9322-EPV004, identified by part number 00473052, is a 0.75 kW servo positioning controller within the Lenze 9300 Servo product family. Operating on a 3-phase supply voltage range of 320 V AC to 528 V AC, this unit delivers a continuous rated current of 2.5 A and a maximum peak current of 3.75 A to drive synchronous or asynchronous AC servo motors. The V004 variant utilizes cold-plate technology, transferring thermal energy directly to an external heatsink or chilled mounting surface to eliminate bulky external cooling fins and allow installation in space-constrained control enclosures.
Connecting this drive into existing automation systems relies on its extensive interface capabilities. The hardware integrates direct feedback connections for resolvers as well as TTL, Sin/Cos, and Absolute EnDat or SSI encoders. Network communication is handled via built-in CANbus operating up to 500 kbit/s, or through optional Automation Interface (AIF) fieldbus modules such as the EMF2133IB or EMF2192IB for PROFIBUS-DP, INTERBUS, and EtherNet/IP networks. When placing a spare into service, parameters stored across the four internal EEPROM parameter sets must be transferred using Lenze Global Drive Control (GDC) software or a 9371BB keypad, ensuring drive profiles align with machine motion limits. ABC Industrial Parts offers support in sourcing fully tested units and preparing replacement drives for immediate field deployment.
System health and operational states can be monitored through the front status LEDs, the diagnostic menu on a plugged-in 9371BB keypad, or via the trip relay output on terminals 21 and 22. Fault conditions such as overcurrent (OC1), earth faults (OC2), or DC bus overvoltage (OU) trigger immediate trip states that open the relay contact. Internal memory errors (EER) or hardware faults (H05) detected during internal self-tests indicate unserviceable control board issues. When persistent internal errors prevent operation, replacing the unit or securing a bench-tested exchange drive from ABC Industrial Parts offers the most reliable path back to full production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00473052 |
| Model / Type | EVS9322-EPV004 |
| Product Family | 9300 Servo |
| Component Type | Servo Drive / Positioning Controller |
| Supply Voltage Range | 320 - 528 V AC (3-phase) |
| DC Bus Voltage Range | 460 - 740 V DC |
| Power Rating | 0.75 kW |
| Continuous Rated Current | 2.5 A |
| Peak Output Current | 3.75 A |
| Switching Frequency | 8 kHz |
| Mounting Style | Cold-plate technology |
Programming and Configuration
The Lenze EVS9322-EPV004 contains integrated positioning logic capable of executing internal motion profiles directly within the drive. This onboard execution reduces the burden on external motion controllers by managing target positioning, speed, and torque curves locally.
Parameter management is conducted through Lenze Global Drive Control (GDC) PC software or via pluggable keypad modules like the 9371BB and EMF2101IB. The drive stores configuration data across four independent, non-volatile EEPROM parameter sets, allowing multi-purpose machines to switch operational parameters without requiring external program re-downloads.
During commissioning or drive replacement, reading out stored parameter sets from the existing drive or backup files and downloading them to the replacement unit ensures full compatibility with the machine's safety thresholds, motor parameters, and positioning tasks.
Communication and System Integration
System communication on the EVS9322-EPV004 is anchored by an integrated CANbus interface capable of transmission speeds up to 500 kbit/s. This system bus facilitates cross-communication between multiple Lenze drives, remote control stations, and higher-level automation networks.
For integration into broader industrial networks, the unit features an Automation Interface (AIF) module slot. Plugging optional fieldbus modules such as the EMF2133IB or EMF2192IB into this slot enables communication over PROFIBUS-DP, INTERBUS, or EtherNet/IP networks.
The drive supports comprehensive motor feedback formats, including resolver inputs, incremental TTL encoders, Sin/Cos encoders, and absolute encoders using EnDat or SSI protocols. This multi-protocol feedback compatibility allows straight-forward connection to various motor types across automation cell retrofits.
Diagnostics and Status Indication
Diagnostics on the EVS9322-EPV004 are facilitated by two front-panel LEDs alongside system bus diagnostics and hardware relay monitoring. The Green LED displays general operation states, flashing when the drive is ready or inhibit is active and illuminating solid green when enabled and running. The Red LED flashes to signal active warnings or pulse inhibit (IMP) and illuminates solid red when a TRIP fault occurs.
Detailed fault diagnostics are accessible through the 9371BB keypad diagnostic menu, which logs fault history and displays specific TRIP codes. Alternatively, Lenze GDC software provides a diagnostic monitor and error log over the programming interface. Hardware safety circuits can utilize relay K1 (terminals 21 and 22), which opens its contact whenever a TRIP condition is detected.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED (Operation) | Green - Blinking / Solid | Blinking = Drive ready / inhibit active; Solid ON = Drive enabled / running |
| Red LED (TRIP / Fault) | Red - Blinking / Solid | Blinking = Warning / IMP (Pulse Inhibit); Solid ON = TRIP fault active |
Replacement and Spare Part Considerations
When replacing a failed EVS9322-EPV004 drive, ensure the replacement unit matches the exact cold-plate hardware designation (V004). Standard forced-air drives with integrated heatsinks will not fit into enclosures designed specifically for cold-plate thermal dissipation.
A replacement unit will not operate straight out of the box without parameter transfer. Mechanics must back up the parameter set from the original unit using GDC software or transfer the active configuration via a 9371BB keypad. Verify that motor data, encoder feedback selection, and node addresses on the CANbus or AIF fieldbus network match the original installation.
If the original drive suffered an internal hardware fault (H05) or EEPROM memory corruption (EER) that prevents parameter readout, parameters must be re-downloaded from the machinery builder's original GDC project file prior to enabling the drive.
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 | Instantaneous motor current limit exceeded (short circuit or ground fault) | Short circuit in motor cable, motor winding defect, acceleration time set too short | Check motor and motor cable for short circuit; check acceleration dynamics |
| OC2 | Earth fault | Ground fault / earth current detected at output terminals | Ground fault in motor wiring or motor winding, capacitive cable currents too high | Check motor insulation and motor cable for ground fault; verify motor cable length |
| OC5 | Ixt overload | Continuous current limit exceeded (drive overload) | Drive overloaded due to excessive mechanical load, duty cycle too high | Check drive sizing against load requirement, check mechanical binding |
| OU | Overvoltage DC bus | DC bus voltage exceeded maximum threshold (~770 V DC) | Regenerative energy from braking motor too high, brake chopper resistor not connected or defective | Check brake chopper resistor, check deceleration time setting |
| LU | Undervoltage DC bus | DC bus voltage dropped below minimum operating limit (~430 V DC) | Mains supply voltage too low, phase failure, power supply interruption | Check mains voltage and supply line connections |
| OH | Heatsink overtemperature | Drive heatsink temperature exceeded allowable threshold (>85°C / 90°C) | Insufficient cooling, ambient temperature too high, fan failure or clogged heat sink / cold plate | Ensure adequate cooling/heat dissipation on cold plate, clean heatsink fins, reduce ambient temperature |
| OH4 | Motor overtemperature | Motor thermal sensor (PTC / thermal contact) tripped | Motor thermal overload, cooling fan failure on motor | Allow motor to cool down, reduce motor load, check motor thermal sensor connections |
| OH7 | Internal device temperature | Internal control board temperature too high | Control cabinet internal ambient temperature excessive | Improve cabinet ventilation, check cabinet fan |
| CE0 | System bus communication fault | CANbus communication failure / bus off state | CAN line interruption, incorrect baud rate, missing bus termination resistor, noise interference | Check CAN wiring, termination resistors (120 Ohm), and baud rate settings |
| CE1 | AIF communication fault | Communication interruption between drive and AIF fieldbus module | AIF module loose, fieldbus communication timeout | Check fieldbus module seat in slot, check fieldbus cabling and master status |
| Sd2 | Resolver fault | Resolver signal loss or track error detected | Resolver cable broken or disconnected, resolver defective | Check resolver feedback cable connection and shielding |
| Sd3 | Encoder fault | Absolute encoder protocol or communication error | Encoder cable defect, interference on signal lines | Check encoder cable and shielding |
| H05 | Internal hardware fault | Internal hardware error detected during self-test | Control board failure or memory error | Internal hardware fault — power cycle drive; if persistent, unit requires repair or replacement |
| EER | EEPROM memory error | Data corruption in internal EEPROM memory | Power failure during write cycle, memory component degradation | Reload factory defaults or re-download parameters. If fault persists, replace unit |
| LP1 | Motor phase failure | Phase failure detected at output terminals U, V, W | Motor wire disconnected, motor contactor open | Check motor phase wiring and output contactor |
| NMAX | Speed limit exceeded | Motor speed exceeded max configured speed threshold | Speed controller unstable, encoder resolution setting incorrect | Check speed controller tuning and encoder configuration settings |
Frequently Asked Questions
What software is used to configure the Lenze EVS9322-EPV004?
The drive is configured using Lenze Global Drive Control (GDC) PC software or locally using a plug-in 9371BB or EMF2101IB keypad module.
How does cold-plate mounting affect installation of the EVS9322-EPV004?
The V004 cold-plate variant lacks traditional external cooling fins and requires mounting flat against a chilled plate or external heat dissipation surface to handle thermal losses during operation.
Which motor feedback types can be wired directly to this drive?
The drive supports resolver feedback, TTL incremental encoders, Sin/Cos encoders, and absolute encoders using EnDat or SSI protocols.
What does a solid red status LED indicate on the front panel?
A solid red LED indicates an active TRIP fault condition, which shuts down the drive output and opens the fault relay K1 across terminals 21 and 22.
How are fieldbus options like PROFIBUS or EtherNet/IP added to the unit?
Fieldbus support is added by inserting an optional Automation Interface (AIF) module, such as the EMF2133IB or EMF2192IB, directly into the drive's AIF slot.
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