Lenze 00406857 EVS9326-KHV531 9300 High Line Servo Drive 11kW
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Product Information
The Lenze 00406857 (model EVS9326-KHV531) is an 11 kW servo drive module belonging to the 9300 High Line series within the 9300 Servo product family. Operating on a 3-phase AC supply voltage between 320 V and 528 V, this panel-mounted inverter produces an output voltage range of 0 to 400 V AC with a rated continuous output current of 23.5 A and output frequencies up to 480 Hz. Designed with a software block-structured control architecture using high-performance field-oriented vector control, the drive controls both synchronous and asynchronous servo motors in multi-axis synchronized motion, dynamic positioning, and indexing applications. Thermal dissipation is managed through heatsink panel mounting with a power loss rating of 380 W.
Interfacing the EVS9326-KHV531 into control systems is handled via built-in system interfaces and expansion option slots. The drive includes an onboard CAN/CANopen system bus operating at speeds up to 500 kbit/s, a dedicated 9-pin Sub-D resolver feedback connector, a 15-pin encoder port supporting TTL and SinCos feedback signals, a simulated encoder output, and digital and analog I/O terminal blocks. An integrated Automation Interface (AIF) slot accommodates optional fieldbus communication modules, including PROFIBUS-DP (EMF2133IB / EMF2131IB), DeviceNet (EMF2175IB), or INTERBUS (EMF2113IB). Commissioning a replacement unit requires matching parameter configurations stored across four internal memory sets. Parameters can be backed up and transferred using the pluggable Lenze XT Keypad EMF2102IB or Lenze Global Drive Control (GDC) software. ABC Industrial Parts can assist with parameter extraction from donor drives and preparation of configured replacement units.
Diagnostic information is accessible through physical LEDs, digital terminal outputs, and system software menus. Front panel LEDs show operational status: a solid green LED signifies that the drive is running or ready, while a flashing green LED indicates active operation inhibit or disabled status; a solid or flashing red LED signals an active TRIP fault state. Detailed fault tracking is available using keypad diagnostic menu code C0003, GDC software online monitoring, or terminal X5 fault output signals. Monitored fault conditions range from heatsink overtemperature (OH), short circuit (OC1), earth fault (OC2), and DC bus overvoltage/undervoltage (OU/LU) to feedback signal loss (SD7) and CAN bus communication errors (CE1). For severe internal hardware faults such as EEPROM failure (EER) or control board failure (H05), the drive is not field-serviceable; in such cases, ABC Industrial Parts provides tested exchange units and repair services to restore production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00406857 |
| Model / Type | EVS9326-KHV531 |
| Product Family | 9300 Servo |
| Series | 9300 High Line |
| Component Type | Servo Drive |
| Rated Power | 11 kW |
| Supply Voltage Range | 320 - 528 V AC (3-phase) |
| Continuous Output Current | 23.5 A |
| Output Voltage | 0 - 400 V AC |
| Maximum Output Frequency | 480 Hz |
| Control Method | Field-Oriented Control |
| Power Dissipation | 380 W |
| Mounting Type | Panel Mount |
Programming and Configuration
The Lenze EVS9326-KHV531 drive features a flexible block-structured software control architecture that enables precise tuning of field-oriented vector control loops. Configuration and parameter adjustment can be executed via PC using Lenze Global Drive Control (GDC) software, allowing technicians to modify control functions, ramp times, I/O allocations, and speed or position parameters online.
The drive integrates non-volatile internal memory capable of holding up to four complete, independent parameter sets. Commissioning and drive swapping can be accomplished without a computer by attaching the pluggable Lenze XT Keypad (EMF2102IB). The keypad allows parameter copy operations to clone parameters directly from an operational drive into memory and transfer them to a replacement unit on the factory floor.
Communication and System Integration
For multi-axis motion networks, the 9300 High Line drive provides an onboard CAN/CANopen system bus operating at communication speeds up to 500 kbit/s. This integrated CAN interface enables rapid drive-to-drive synchronization across dynamic positioning lines without requiring separate fieldbus modules.
Integration into upper-level factory networks is supported via the onboard Automation Interface (AIF) slot. This slot accommodates optional fieldbus cards including PROFIBUS-DP (EMF2133IB / EMF2131IB), DeviceNet (EMF2175IB), and INTERBUS (EMF2113IB). Physical feedback ports include a dedicated 9-pin Sub-D connector for resolvers and a 15-pin connector for incremental TTL or SinCos encoders, alongside a simulated encoder output for master-slave line shafting.
Diagnostics and Status Indication
Operating status and drive states are displayed directly via front-panel LEDs, terminal outputs, and system software parameters. The green LED indicates operational status, remaining steady when the drive is running and ready, or flashing when an operational inhibit or disable signal is active. The red LED lights or flashes during active TRIP fault conditions.
Detailed diagnostics are accessible by referencing code C0003 in the keypad diagnostic menu, which stores active fault history records. Real-time diagnostic data can also be monitored through the GDC software online status display or via hardware signal logic connected to digital fault outputs on terminal X5.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED | Green - Solid or Flashing | On solid = Drive running / Ready; Flashing = Operation disabled or inhibit active. |
| Red LED | Red - Solid or Flashing | Fault state: On solid or flashing = Fault / TRIP condition active. |
Replacement and Spare Part Considerations
When replacing an existing Lenze 00406857 (EVS9326-KHV531) drive, verify that the replacement match matches the power rating (11 kW, 23.5 A output) and input supply specifications. If the original unit uses external fieldbus communication, swap the option card installed in the Automation Interface (AIF) slot—such as a PROFIBUS-DP or DeviceNet card—into the replacement drive.
Because the drive depends on programmed motor parameters, application block structures, and node settings, installing an unconfigured unit will cause motion faults or fieldbus errors. Parameters must be loaded into the spare unit using Global Drive Control software or transferred via the XT Keypad (EMF2102IB). Ensure that CAN bus terminating resistors (120 ohms) and node IDs are verified before restoring line power.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OH | Heatsink Overtemperature | Heatsink temperature has exceeded the maximum limit. | Blocked heatsink, defective fan, ambient temperature too high, continuous overload. | Clean heatsink, inspect cabinet fan and cooling air circulation, check drive load. |
| OH4 | Motor Overtemperature | Motor temperature sensor (PTC/KTY) triggered or motor I2t monitoring exceeded. | Motor overload, blocked motor shaft, sensor wire disconnected or broken. | Check motor load, inspect motor temperature sensor wiring, allow motor to cool down. |
| OC1 | Short Circuit / Overcurrent | Instantaneous output current threshold exceeded. | Short circuit between motor phases, motor cable damage, acceleration time set too short. | Inspect motor cables and motor windings for short circuits; check acceleration parameter settings. |
| OC2 | Earth Fault | Ground fault / earth current detected in output phase. | Ground fault in motor lead, winding insulation breakdown to ground. | Check motor wiring and motor insulation resistance to earth. |
| OC5 | I2t Drive Overload | Continuous overload of drive power stage. | Drive operated above continuous current rating for extended duration. | Reduce mechanical load, increase ramp times, or select higher power drive module. |
| OU | DC Bus Overvoltage | DC bus voltage exceeds upper threshold limit. | Excessive braking power regenerated from motor during deceleration, braking chopper not active or resistor missing/faulty. | Check external brake resistor and brake chopper circuit, extend deceleration ramp duration. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below lower operational threshold. | Mains supply line failure, blown line fuse, severe line voltage dip. | Check AC input power lines, fuses, main contactor, and supply stability. |
| LP1 | Mains Input Phase Failure | Missing phase detected on input mains AC lines. | Line phase missing or high voltage imbalance between phases. | Check main voltage input terminals and line supply integrity. |
| CE0 | Communication Fault AIF | Communication interruption between drive mainboard and option module in AIF slot. | AIF fieldbus module loose, noise interference, or option module fault. | Re-seat communication module in slot, verify bus wiring and shield connections. |
| CE1 | CANbus Communication Fault | System bus (CAN) communication timeout. | CAN bus wire disconnected, incorrect baud rate, missing terminal resistors. | Check CAN wiring, node ID settings, baud rate configuration, and 120-ohm termination resistors. |
| SD7 | Resolver Feedback Fault | Resolver signal loss or track defect. | Resolver cable disconnected or damaged, motor feedback failure. | Check resolver cable connection at X7, check shielding and resolver unit. |
| NMAX | Overspeed Fault | Actual motor speed exceeded maximum speed setting. | Speed controller unstable, encoder/resolver feedback failure, overhauling load. | Verify speed controller tuning, check resolver feedback signal, adjust NMAX limit. |
| EER | EEPROM Memory Fault | Internal EEPROM parameter read/write failure. | Internal non-volatile memory corruption or chip failure. | Internal hardware fault — reset parameters to default; if error persists, return unit for repair. |
| H05 | Internal Hardware Error | Internal power unit or control board error. | Control board hardware defect or internal communication failure. | Internal hardware fault — unit is not field serviceable and requires return for repair. |
Frequently Asked Questions
What software and hardware are required to program the Lenze EVS9326-KHV531?
Programming and tuning can be performed using Lenze Global Drive Control (GDC) software on a PC, or directly at the unit using a pluggable Lenze XT Keypad (EMF2102IB).
How do I transfer drive parameters to a replacement EVS9326-KHV531 unit?
Parameter sets can be saved and transferred using Lenze GDC software or copied directly into the XT Keypad (EMF2102IB) memory from the original drive and downloaded to the spare unit.
Which motor feedback types are supported by this servo drive?
The EVS9326-KHV531 features a 9-pin Sub-D connector for resolver feedback and a 15-pin connector supporting TTL incremental and SinCos encoder signals.
How can the drive connect to PROFIBUS, DeviceNet, or INTERBUS networks?
Fieldbus connectivity is achieved by inserting an optional communication card into the drive's Automation Interface (AIF) slot, such as the EMF2133IB/EMF2131IB for PROFIBUS-DP, EMF2175IB for DeviceNet, or EMF2113IB for INTERBUS.
What do fault codes H05 and EER indicate on the drive display?
H05 indicates an internal hardware/control board fault, while EER indicates an EEPROM memory read/write failure. Both represent internal hardware faults that cannot be serviced in the field and require unit repair or replacement.
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