Lenze 13481740 EVS9322-EP 0.75kW 9300 Servo Drive
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Product Information
The Lenze 13481740 (model EVS9322-EP) is a 0.75 kW servo drive belonging to the Lenze 9300 Servo Inverter family. Operating on a 3-phase 400 V to 480 V AC nominal supply voltage, with an operational input range of 320 V to 528 V AC, this drive delivers a continuous output current of 2.5 A and a peak output current of 3.8 A for up to 60 seconds. As an -EP variant, the unit features built-in positioning control firmware that manages axis positioning profiles, target tables, and homing routines directly on the drive without requiring a separate motion controller. The drive operates at an 8 kHz switching frequency with a power dissipation rating of 70 W, serving dynamic motion applications such as rotary indexing tables, automated packaging, pick-and-place gantries, and material handling systems.
Physical interfacing on the EVS9322-EP includes terminal X7 for resolver feedback and terminal X8 for TTL/RS422 incremental encoders, alongside terminal X9 for simulated encoder frequency output used in master-slave axis configurations. System integration and multi-axis synchronization are handled via the onboard CAN System Bus on terminal X14, while an Automation Interface (AIF) slot accepts option modules such as the EMF2133IB PROFIBUS-DP adapter or local control units like the EMF2102IB keypad. Commissioning and parameter configuration are performed using Lenze Global Drive Control (GDC) or EASY Starter engineering software. Internal non-volatile EEPROM memory holds up to four complete parameter sets for rapid profile switching or parameter cloning when replacing a drive. ABC Industrial Parts can assist maintenance teams with configuring spare units, backing up parameter sets, and sourcing tested replacement drives to minimize production downtime.
Diagnostic status is communicated directly through front panel green Ready and red Fault status LEDs, as well as TRIP message text when an EMF2102IB keypad module is installed. The drive also supports online diagnostic monitoring and fault history tracking over the CAN bus or GDC software interface. Active trip conditions are categorized by specific fault codes, covering power stage overcurrent (OC1, OC2), DC bus voltage anomalies (OU, LU), heatsink or motor thermal limits (OH, OH4, OH7), fieldbus disconnects (CE0, CE1), feedback signal errors (SD2, SD3), and memory errors (EER). When troubleshooting indicates an internal hardware failure such as code H05 or unresolvable short circuits, internal power stage components are not field-serviceable. In these cases, exchanging the drive with a tested spare through ABC Industrial Parts or opting for component repair provides a reliable path back to operation.
Technical Specifications
| Rated Power | 0.75 kW |
| Supply Voltage | 3x 400 / 480 V AC |
| Rated Input Current | 2.2 A |
| Continuous Output Current | 2.5 A |
| Max Peak Output Current | 3.8 A |
| Power Dissipation | 70 W |
| Switching Frequency | 8 kHz |
| Onboard Fieldbus | CAN System Bus / CANopen |
| Motor Feedback Support | Resolver (X7), Incremental Encoder (X8) |
| Control I/O Terminals | 8 DI, 4 DO, 2 AI, 2 AO, 1 Relay Output |
Programming and Configuration
Drive configuration and commissioning for the Lenze EVS9322-EP are executed through Lenze Global Drive Control (GDC) or EASY Starter engineering software. The software environment provides complete access to positioning profiles, acceleration ramps, gain adjustments, and speed controller loop parameters. Operating parameters can also be viewed and adjusted locally at the drive using an optional EMF2102IB control unit keypad plugged into the Automation Interface (AIF) slot.
The EVS9322-EP incorporates an onboard non-volatile EEPROM memory architecture capable of storing up to four complete, independent parameter sets. This internal memory allows technicians to clone drive parameters directly or switch operational profiles without external software tools. During maintenance or machine reconfiguration, stored parameter structures can be backed up, modified, or restored via GDC software or transferred using the keypad interface.
Communication and System Integration
The Lenze EVS9322-EP includes an integrated CAN System Bus interface accessible on connector terminal X14. Supporting CAN System Bus and CANopen protocols, this link facilitates high-speed inter-drive data transfer, parameter transfer, and precise master-slave multi-axis synchronization across production lines. Control terminal wiring supports 8 digital inputs, 4 digital outputs, 2 analog inputs, 2 analog outputs, and 1 programmable relay output for system integration.
For broader network connectivity, the unit features a universal Automation Interface (AIF) slot designed to receive option adapters such as the EMF2133IB PROFIBUS-DP module, DeviceNet, or INTERBUS adapters. Motor feedback evaluation is highly flexible, featuring dedicated hardware interfaces for resolvers on connector X7 and TTL/RS422 incremental encoders on connector X8. In addition, connector X9 provides a simulated encoder frequency output to pass position signals to downstream follower drives.
Diagnostics and Status Indication
Diagnostic monitoring for the EVS9322-EP is provided via visual front LEDs, fieldbus status words, and software tools. The panel features two primary LED indicators: a solid Green LED indicating that the drive is enabled and operational, and a Red LED that lights solid or flashes during TRIP active fault conditions. When an EMF2102IB keypad is installed, descriptive TRIP text and specific error codes are displayed directly on the screen.
Advanced diagnostic functions are available through Lenze Global Drive Control (GDC) software, which offers real-time diagnostic monitoring, oscilloscope signal tracing, and a fault history buffer storing the most recent TRIP events. Status words can also be monitored continuously over the CAN System Bus to verify drive health, enable commands, and active interlocks within the main controller.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED (Ready) | Green - Solid | Drive operational status; lit constant when drive is enabled and ready. |
| Red LED (Fault) | Red - Solid/Flashing | Trip or trouble condition active when lit or flashing; indicates fault state. |
Replacement and Spare Part Considerations
When selecting a replacement for a Lenze EVS9322-EP servo drive, verify that both the part number (13481740) and full model code match. The -EP designation indicates the inclusion of integrated positioning software. Substituting a standard speed-controlled variant will result in missing motion profile functions and control incompatibility.
Before placing a spare drive into production, parameter sets must be transferred from the original unit. Parameters stored in the non-volatile EEPROM can be cloned using Global Drive Control (GDC) software or copied directly using an EMF2102IB keypad module. Care must also be taken to verify that feedback wiring on terminals X7 or X8 matches the installed motor feedback type and that any AIF network adapters are properly transferred and addressed.
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 | Short circuit or earth fault on motor output terminals. | Short circuit in motor cable, motor winding fault, or power transistor bridge breakdown. | Check motor and cable insulation. If fault persists with motor disconnected, internal hardware is damaged; return unit for repair. |
| OC2 | Earth Fault | Earth/ground fault detected at motor output. | Ground leak in motor winding or power cable. | Inspect motor insulation and wiring shields for contact to ground. |
| OC5 | Drive Overload (Ixt) | Drive continuous overload limit reached (Ixt integration exceeded). | Drive operating above continuous output current for too long; machine mechanical blockage. | Check mechanical load and duty cycle; verify drive sizing. |
| OU | Overvoltage DC Bus | DC bus voltage exceeds upper threshold (approx. 770-800 V DC). | Excessive regenerative energy from motor during deceleration; brake chopper/resistor not functioning or undersized. | Extend deceleration time, check braking resistor connection and chopper operation. |
| LU | Undervoltage DC Bus | DC bus voltage drops below lower threshold. | Mains supply voltage interruption, phase loss, or weak supply grid. | Measure line input voltage; check mains fuses and supply contactor. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeds maximum safety limit (> 85 °C). | Insufficient enclosure cooling, ambient temperature too high, dirty heatsink, or internal fan failure. | Clean heatsink, ensure adequate airflow, check internal cooling fan function. |
| OH4 | Motor Overtemperature | Motor temperature sensor (KTY / PTC / thermal switch) tripped via terminal X10. | Motor overheating due to high load, mechanical binding, or broken thermal sensor connection. | Allow motor to cool; check mechanical load; check sensor wiring on X10. |
| OH7 | Motor Temperature Sensor Wire Break | Motor thermal sensor monitoring circuit detected an open circuit. | Disconnected thermal sensor cable or broken wire on terminal X10. | Check X10 sensor connection cable and motor thermal contact continuity. |
| CE0 | CAN Bus Communication Fault | System bus (CAN) communication monitor error or CAN controller bus-off. | CAN bus cable disconnection, improper termination resistor (120 Ohm), baud rate mismatch. | Inspect CAN bus wiring on X14, check line termination and CAN node IDs. |
| CE1 | Automation Slot (AIF) Communication Error | Communication failure between control board and AIF option module. | AIF fieldbus module loose, corrupted, or removed during operation. | Ensure option module is securely seated in AIF slot; inspect fieldbus network. |
| EER | EEPROM Memory Error | Internal EEPROM checksum error when reading parameters. | EEPROM data corruption due to power failure during save or memory chip failure. | Reload factory defaults and restore parameters. If error persists, internal hardware fault — replace the unit. |
| H05 | Internal Hardware Fault | Internal board failure detected during self-test routine. | Internal power supply or control board hardware defect. | Internal board-level failure — non-serviceable in the field; return unit for repair or replace unit. |
| NMAX | Maximum Speed Exceeded | Motor actual speed exceeded max permissible speed threshold. | Gain settings incorrect, overspeed driven by load, feedback loss. | Check speed controller tuning and feedback device scaling. |
| PR0 | Positioning Fault | Integrated positioning controller error (following error limit exceeded or target invalid). | Mechanical blockage during axis motion, incorrect position loop gains, or invalid position profile parameter. | Check position target coordinates, axis mechanics, and position loop parameters. |
| SD2 | Resolver Fault | Resolver signal loss or tracking error on X7. | Resolver feedback cable disconnected, shield broken, or resolver coil damaged. | Inspect resolver wiring on connector X7 and measure resolver winding resistances. |
| SD3 | Encoder Signal Fault | Incremental encoder signal error on X8. | Encoder track A/B signal loss, cable damage, or supply voltage failure. | Inspect encoder wiring on X8 and check encoder 5V/15V power supply. |
Frequently Asked Questions
What is the rated power and output current of the Lenze EVS9322-EP?
The Lenze EVS9322-EP has a rated motor power of 0.75 kW, operating on a 3-phase 400 V / 480 V AC supply with a continuous output current of 2.5 A and a peak overload current of 3.8 A.
How are parameters transferred to a replacement EVS9322-EP drive?
Parameters stored in the drive's onboard EEPROM can be backed up and restored using Lenze Global Drive Control (GDC) or EASY Starter software, or cloned using an EMF2102IB control keypad attached to the AIF slot.
Which motor feedback types are supported by the EVS9322-EP?
The drive supports standard resolvers via connector terminal X7 and TTL/RS422 incremental encoders via connector terminal X8.
What does a solid or flashing Red LED indicate on the front panel?
A lit or flashing Red LED indicates an active TRIP fault or trouble state on the drive, requiring diagnostic evaluation via the keypad, software, or CAN bus.
What should be done if fault code H05 or OC1 occurs continuously?
Fault code H05 indicates an internal hardware failure, while a persistent OC1 code with the motor disconnected indicates power transistor breakdown. Neither condition is field-serviceable, requiring drive repair or replacement.
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