Lenze 9321MP.2O.21 33.9321ML.1A-13.001 – 9300 Series 0.37kW Servo Drive
Het item werd toegevoegd aan uw offerteaanvraag
Product Information
The Lenze 9321MP.2O.21, identified under model type 33.9321ML.1A-13.001, is a 0.37 kW servo drive belonging to the Lenze 9300 series platform. Engineered for 3-phase mains supplies operating between 320 V AC and 528 V AC, this unit supplies a continuous rated output current of 1.5 A and a peak current capability of 2.25 A for up to 60 seconds. Operating across an output frequency range of 0 to 480 Hz with a nominal switching frequency of 8 kHz, the servo inverter features a nominal DC bus voltage of 565 V DC and includes an integrated brake chopper circuit to control regenerative energy during rapid deceleration.
Connecting the drive into a motion control architecture is facilitated by an integrated onboard CAN system bus interface for multi-axis synchronization, alongside dedicated feedback connections including Sub-D connector X7 for resolvers and connectors X8 and X9 for high-speed incremental encoders up to 500 kHz. Expansion options are available through a dedicated Automation Slot (A-Slot) that supports plug-in modules such as the EMF2133IB PROFIBUS-DP board, INTERBUS, or CANopen interfaces. Bringing a replacement unit into service requires parameter transfer, as the drive stores configuration values across four selectable parameter sets within non-volatile EEPROM memory. Parameters can be backed up and reloaded using Lenze Global Drive Control (GDC) engineering software or an EMF2102IB XT Keypad module, with support available from ABC Industrial Parts for parameter extraction from donor units or existing hardware backups.
Diagnostic monitoring on the unit is provided through hardware status LEDs labeled ERROR (red), RUN (green), and STATUS (yellow), which indicate TRIP faults, ready status, and system warning thresholds. Detailed diagnostic records can be retrieved via parameter TRIP history logs in C0168 and C0169, status word evaluation over fieldbus connections, or digital error output relay monitoring. Fault codes such as OC1 (overcurrent), OU (DC bus overvoltage), LU (DC bus undervoltage), CE0 (automation slot fault), and EER (EEPROM memory fault) identify specific site issues across supply, communication, and load conditions. When unserviceable internal hardware errors occur, such as code H05, board-level repairs or a fully tested replacement drive from ABC Industrial Parts provide the quickest pathway to restore machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 9321MP.2O.21 |
| Model / Type | 33.9321ML.1A-13.001 |
| Component Type | Servo Drive |
| Rated Power | 0.37 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Mains Current | 1.5 A |
| Continuous Output Current | 1.5 A |
| Peak Output Current | 2.25 A |
| Nominal DC Bus Voltage | 565 V DC |
| Output Frequency Range | 0 - 480 Hz |
| Nominal Switching Frequency | 8 kHz |
Programming and Configuration
Parameter management and commissioning for the Lenze 9321MP.2O.21 drive module rely on Lenze Global Drive Control (GDC) software or the optional plug-in EMF2102IB XT Keypad. The internal non-volatile EEPROM memory holds up to four independent parameter sets, allowing multi-mode machine operation without requiring external PLC program modifications.
When commissioning or swapping out a drive unit, technicians can write or transfer parameter sets directly through GDC software via connection interfaces or copy data using the XT Keypad module. Performing a parameter reset using code C0002 allows restore operations to baseline configurations prior to reloading machine-specific file sets.
Communication and System Integration
System integration is provided by the onboard CAN system bus interface, accessible via terminal X4, which supports fast real-time data exchange and synchronized multi-axis control across drive networks.
For centralized control architectures using higher-level PLCs, the drive contains a plug-in Automation Slot (A-Slot). This slot accepts expansion modules including the EMF2133IB PROFIBUS-DP card, INTERBUS, and CANopen option boards, extending fieldbus integration beyond standard CAN communications.
Diagnostics and Status Indication
Diagnostic monitoring is visible on the front panel via three status LEDs. The red ERROR LED illuminates or flashes during TRIP active fault states, the green RUN LED shows normal operation or ready status, and the yellow STATUS LED indicates warning conditions or specific operation states.
In addition to hardware LEDs, internal diagnostic routines store event history in parameter registers C0168 and C0169. Operators can inspect fieldbus status words or monitor the state of the digital error output relay to pinpoint system warnings or fault origins.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| ERROR | Red - Solid / Flashing | Fault present (TRIP active) |
| RUN | Green - Solid / Flashing | Drive in normal operation or ready state |
| STATUS | Yellow - Solid / Flashing | Warning threshold reached or status indication |
Replacement and Spare Part Considerations
Replacing a Lenze 9321MP.2O.21 servo drive requires matching both the main part number and model designation 33.9321ML.1A-13.001 to ensure electrical and mechanical equivalence. Because replacing a unit is not plug-and-play, the target parameter configuration stored in EEPROM must be restored before applying run commands to avoid motion errors.
The Lenze 9300 series drive platform was officially discontinued in December 2018. For legacy machinery operating in packaging, textile, and material handling applications, direct replacement with original spare units maintains production continuity without necessitating control system redesign. For long-term control modernization, recommended transition paths include current-generation Lenze i550 cabinet or i700 series servo inverters.
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 on motor phase terminals or instantaneous overcurrent threshold exceeded | Short circuit in motor cable; motor winding insulation failure; acceleration ramp too steep; drive power stage defect. | Check motor and power wiring for phase-to-phase or phase-to-earth shorts; check motor parameters and ramp settings. If error persists with motor disconnected, internal power section is damaged requiring repair or unit replacement. |
| OC2 | Earth fault | Ground fault / short circuit to ground detected on output motor lead | Ground fault in motor lead or inside motor winding; excessive cable capacitance. | Check motor winding insulation resistance to earth with megohmmeter; check motor cabling. |
| OC5 | I2t motor overload | Calculated motor thermal load limit exceeded | Continuous mechanical overload; drive sized too small; incorrect motor thermal parameter settings. | Check mechanical load; check motor current against continuous rated current limit. |
| OU | Overvoltage DC bus | DC bus voltage exceeded upper limit threshold (>770 V DC) | Excessive regenerative energy during deceleration; deceleration time too short; brake chopper non-functional or braking resistor disconnected/damaged. | Increase deceleration time; verify external braking resistor value and wiring; check internal brake chopper transistor. |
| LU | Undervoltage DC bus | DC bus voltage dropped below threshold limit (<430 V DC) | Mains supply line voltage drop; phase failure in mains supply; input fuse blown. | Check mains voltage across all 3 phases; inspect main fuses and supply contactors. |
| OH | Heatsink overtemperature | Power stage heatsink temperature exceeded maximum safety threshold (>85-90°C) | Inadequate control cabinet cooling; heatsink clogged with dust; cooling fan failure; high ambient temperature. | Clean heatsink cooling fins; verify fan rotation; check enclosure ventilation. |
| OH4 | Motor overtemperature | Thermal sensor input (PTC / thermal contact on X6 terminal) tripped | Motor overheating; mechanical overload; thermal sensor cable broken or disconnected. | Check motor operating temperature; check PTC sensor wiring; allow motor to cool down. |
| OH7 | Internal drive overtemperature | Internal air temperature inside the drive housing exceeded safety threshold | Ambient temperature inside control cabinet too high; internal drive fan failed. | Improve cabinet cooling; check internal cooling fan status. |
| LP1 | Mains phase failure | One phase of the 3-phase AC input supply line is missing or heavily unbalanced | Blown input line fuse; loose wire connection at mains supply terminal X1; supply transformer issue. | Check voltage between all input phases (L1-L2, L2-L3, L3-L1). |
| CE0 | Communication fault - Automation slot | Interruption of data transmission between control board and plug-in automation communication module | Fieldbus module loose or defective; fieldbus cable unplugged or broken; fieldbus master stopped. | Verify communication module seating in slot; check fieldbus connection and network master status. |
| CE1 | System Bus (CAN) communication fault | CAN system bus communication failure or timeout on X4 bus connection | CAN bus cable severed or noisy; missing bus terminating resistors (120 Ohm); incorrect baud rate setting. | Inspect CAN wiring and shielding; verify terminating resistors at both ends of CAN bus; check CAN node addresses. |
| EER | EEPROM memory fault | Data corruption detected during EEPROM read/write cycle | Internal EEPROM memory chip fault or power interruption during parameter write operation. | Perform parameter reset to factory default (C0002); reload parameter set. If fault persists, internal hardware defect requires board/unit replacement. |
| H05 | Internal hardware fault | Internal micro-controller hardware error or power supply monitor error detected | Control board hardware component failure or damaged internal power supply module. | Non-field-serviceable internal hardware fault — replace control card or complete drive unit. |
| Sd7 | Resolver / feedback fault | Signal loss or wire break detected on resolver / encoder input terminal X7 | Encoder cable disconnected or damaged; bad resolver excitation signal; shield grounding issue. | Inspect resolver/encoder cable, connectors, and screening; check feedback configuration. |
| NMAX | Maximum speed exceeded | Actual motor speed exceeded configured maximum limit setting | Uncontrolled runaway condition; incorrect speed controller tuning; encoder direction reversed. | Check feedback polarity, controller gain settings, and speed limit parameters. |
Frequently Asked Questions
What software is used to program and configure the Lenze 9321MP.2O.21 servo drive?
Configuration and parameter adjustments are performed using Lenze Global Drive Control (GDC) software or directly via the EMF2102IB XT Keypad module.
Can parameter settings be transferred directly from an old unit to a replacement drive?
Yes, parameter sets saved in non-volatile EEPROM memory can be backed up and reloaded using Lenze GDC software or transferred directly using an EMF2102IB XT Keypad module. Up to four parameter sets can be stored.
Which fieldbus communication modules are compatible with this drive?
The unit includes an onboard CAN system bus interface and an Automation Slot that accepts expansion modules such as the EMF2133IB PROFIBUS-DP module, INTERBUS, and CANopen adapters.
What feedback devices does the drive support?
Feedback signals are supported via resolver connection on Sub-D terminal X7 and high-speed incremental encoders up to 500 kHz on terminals X8 and X9.
What does fault code H05 indicate on the Lenze 9321MP.2O.21?
Fault code H05 indicates an internal micro-controller or power supply monitoring error. It is a non-field-serviceable internal hardware fault that requires board repair or drive replacement.
Is the Lenze 9300 series still in active production?
The Lenze 9300 series was officially discontinued in December 2018. Lenze recommends transitioning to i550 cabinet or i700 series servo inverters for new system designs.
Take advantage of our exchange formula
A defective product does not have to be worthless. At ABC Industrial Parts, you can hand in defective products and immediately benefit from a discount on your new purchase. This is a smart way to save money while contributing to a circular economy.
Play it safe with our warranty conditions
Industrial plants prefer to keep running invariably, no matter what. Therefore, it is essential that you can rely on high-quality products and/or sustainable repairs. With our warranty conditions, you can count on certainty, whether you choose new, used or repaired products.
Data backup and recovery
Have you lost valuable parameters or data due to a malfunction while the manufacturer no longer provides support? At ABC Industrial Parts, we help you secure this data, both for common and specific products.
Specific firmware and hardware versions
If you are working with specific hardware or firmware versions that are no longer available from the manufacturer, ABC Industrial Parts is your partner. When making your enquiry, clearly state which versions you need, we will then look at the possibilities of supplying those versions, so that your installations continue to function optimally.
Disclaimer:
We are not an authorised distributor of Lenze.
Product photos are for illustration purposes only and may differ from the actual product delivered.
Some of the content on this page was created with the help of AI. While we strive to provide accurate and up-to-date information, errors may occur.