Lenze 13190895 EVS9326-ES 9300 Servo Positioning Controller 11kW
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Product Information
The Lenze 13190895 EVS9326-ES is an 11 kW servo positioning controller from the 9300 Servo family designed for dynamic single and multi-axis motion control tasks. Operating on a 3-phase supply voltage ranging from 320 V AC to 528 V AC, the drive delivers a nominal continuous output current of 23.5 A with a 60-second peak current capacity of 35.3 A at an 8 kHz switching frequency. It integrates positioning and motion control directly into the drive enclosure, providing closed-loop speed, torque, and position management for packaging machinery, printing presses, converting lines, and material handling systems.
Connecting the drive into an existing control system relies on dedicated interfaces for feedback and fieldbus integration. Motor feedback is handled via resolver connection X7 or TTL incremental encoder and master frequency inputs on connectors X8 and X9. For machine-level networking, the unit features an integrated CAN system bus on connector X14 operating up to 500 kbit/s along with a front-facing Automation Interface (AIF) option slot that accepts modular fieldbus cards such as PROFIBUS-DP (EMF2133IB) or CANopen (EMF2175IB). When commissioning a replacement EVS9326-ES unit, system parameters, position tables, and motion profiles must be loaded into the drive's internal EEPROM memory sets. Parameter files can be transferred directly using Lenze Global Drive Control (GDC) software v4.x+ or cloned on-site using the EMZ9371BC operating keypad. ABC Industrial Parts can assist with parameter cloning and drive preparation to simplify swapping replacement units in production environments.
Operational monitoring and fault identification are provided through diagnostic LEDs and digital monitoring tools on the front panel. The green Ready LED indicates power availability and controller activation, while the red Fault/Error LED alerts operators to TRIP conditions or active warning states. Detailed error codes and sub-code diagnostic registers can be examined via the keypad history buffer or through GDC monitoring software. Initial troubleshooting should verify 3-phase input power, motor wiring integrity, resolver cable shielding on X7, and proper 120-ohm termination on the CAN bus. When encountering persistent hardware TRIP conditions—such as internal output stage short circuits or memory corruption—field repair is generally not possible. In these scenarios, utilizing a tested replacement unit or sending the module to ABC Industrial Parts for professional repair provides a fast route to restoring machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 13190895 |
| Model / Type | EVS9326-ES |
| Product Family | 9300 Servo |
| Component Type | Servo Positioning Controller |
| Rated Power | 11 kW |
| Rated Output Current | 23.5 A |
| Maximum Peak Current (60s) | 35.3 A |
| Supply Voltage Range | 320 V AC to 528 V AC (3-Phase) |
| Nominal Supply Voltage | 400 V AC |
| Switching Frequency | 8 kHz |
| Power Dissipation | 380 W |
| Digital Inputs | 8 (24 V DC) |
| Digital Outputs | 4 (24 V DC, 50 mA) |
| Analog Inputs | 2 (±10 V differential, 12-bit) |
| Analog Outputs | 2 (±10 V, 2 mA) |
| System Bus Interface | CAN on X14 (up to 500 kbit/s) |
| Automation Interface Slot | AIF Slot (PROFIBUS, CANopen, DeviceNet, INTERBUS) |
Programming and Configuration
The Lenze EVS9326-ES contains non-volatile EEPROM storage capable of holding four complete parameter sets. This internal storage structure allows complex motion profile sequences, positioning target tables, dynamic speed profiles, and control loop parameters to be saved directly on the unit. Drive parameters can be structured and adjusted using Lenze Global Drive Control (GDC) software version 4.x or higher, connected via a system bus adapter such as the EMF2177IB or EMF2173IB USB adapter.
For maintenance operations in the field where PC connectivity is unavailable, parameter transfer is supported through the optional EMZ9371BC operating keypad. Plugging the keypad onto the front interface of an operational drive allows the user to copy stored parameter sets into keypad memory and flash them directly into a spare or replacement EVS9326-ES controller. This parameter cloning feature drastically reduces machine setup time and eliminates manual parameter entry errors during component replacement.
Communication and System Integration
System bus communications on the Lenze EVS9326-ES are handled via the onboard CAN interface located at connector X14. Operating at transmission speeds up to 500 kbit/s, this CAN system bus enables direct drive-to-drive synchronization across multi-axis gantry or feeding setups without requiring external motion controller hardware. Network stability depends on correct bus topology, including 120-ohm termination resistors fitted at both physical ends of the CAN line.
Higher-level fieldbus integration is accomplished using the front-facing Automation Interface (AIF) option slot. The controller accepts plug-in communication modules to integrate into standardized automation architectures. Compatible AIF modules include the EMF2133IB for PROFIBUS-DP, EMF2175IB for CANopen, EMF2174IB for DeviceNet, and EMF2111IB for INTERBUS. Switching communication protocols requires only exchanging the plug-in module and configuring the respective station address and bus speed.
Diagnostics and Status Indication
The front panel of the EVS9326-ES contains dual LED status indicators for instant visual feedback on operational state and active errors. System diagnostics can also be evaluated using the diagnostic monitor and oscilloscope functions in Global Drive Control (GDC) software v4.x+, or by reviewing the active message buffer and diagnostic registers via the plug-in EMZ9371BC keypad.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready | Green - Solid / Flashing | Solid: Controller ready for operation. Flashing: Controller enabled / active. |
| Fault / Error | Red - Solid / Flashing | Solid: TRIP active (fault state, drive output disabled). Flashing: Warning or active message. |
Replacement and Spare Part Considerations
When replacing an existing Lenze EVS9326-ES controller, verify that the power rating matches the 11 kW, 23.5 A specification and that input voltage requirements (320 to 528 V AC) are met. Unpack any plugged-in AIF modules from the failed drive, such as an EMF2133IB PROFIBUS card, and transfer them to the replacement unit's AIF slot. Ensure feedback connections on X7 (resolver) or X8/X9 (encoder) match the installed motor's feedback type.
A replacement EVS9326-ES unit will not operate correctly out of the box without transferring the machine application's configuration. Parameter sets saved in the original drive's EEPROM must be downloaded to the spare using GDC software v4.x+ or cloned using the EMZ9371BC keypad. Always confirm that station addresses, CAN baud rates, and termination resistors are configured correctly before applying main power to avoid communication faults.
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 on motor terminals or power stage output. | Short circuit in motor cable or motor winding, ground connection short. | Check motor and power wiring for phase-to-phase or phase-to-ground short circuits. If fault persists with motor disconnected, internal hardware fault — return unit for repair. |
| OC2 | Earth fault | Ground fault / earth fault detected on output phase. | Insulation damage in motor cable or motor stator winding. | Check motor cable insulation resistance and motor winding ground resistance. If wiring is clear, internal power module failure — return unit for repair. |
| OC5 | I x t overload | Continuous overload of servo controller power stage. | Excessive mechanical load, continuous operation above rated current, dynamic acceleration too demanding. | Reduce mechanical load, check duty cycle, increase acceleration time or check motor sizing. |
| OU | Overvoltage DC bus | DC bus link voltage exceeds upper safety limit. | Excessive regenerative energy during deceleration, brake chopper resistor damaged or disconnected. | Check brake resistor connections and resistance value, increase deceleration time or install external brake resistor. |
| LU | Undervoltage DC bus | DC bus link voltage dropped below minimum threshold. | Mains supply voltage drop, phase loss, supply power interruption. | Verify 3-phase mains input supply voltage and check main contactor / fusing. |
| OH | Heatsink overtemperature | Power heatsink temperature exceeded maximum allowed limit. | Inadequate control cabinet ventilation, clogged heatsink cooling fins, internal fan failure. | Clean heatsink, inspect internal fan operation, verify ambient temperature is within specifications. |
| OH4 | Motor overtemperature | Motor temperature sensor (PTC / thermal contact) triggered. | Motor thermal overload, continuous low-speed high-torque operation without forced cooling, sensor wire broken. | Allow motor to cool, check motor thermal sensor wiring (terminal T1/T2), reduce motor duty cycle. |
| OH7 | Interior temperature high | Internal electronic enclosure temperature exceeded safety threshold. | Control cabinet temperature too high, ambient air circulation restricted. | Improve enclosure cooling and airflow. |
| CE0 | Communication error AIF module | Communication breakdown between controller and AIF plug-in fieldbus module. | Fieldbus module loose, noise interference, module damaged. | Reseat module in AIF slot, check grounding and shield connections. Replace module if error persists. |
| CE1 | System Bus CAN fault | System Bus (CAN) communication interrupt or bus-off state. | CAN cable disconnected, missing terminating resistor, baud rate mismatch. | Check CAN cabling, 120 ohm termination resistors at both bus ends, and CAN baud rate configuration. |
| EE | EEPROM memory error | Checksum or read/write error in internal non-volatile EEPROM memory. | Power failure during parameter save, hardware EEPROM failure. | Reload factory default parameters and reconfigure. If fault persists, internal hardware defect — return unit for repair. |
| H05 | Resolver fault | Feedback signal error from motor resolver on interface X7. | Resolver cable broken or disconnected, resolver shield ungrounded, mechanical damage to resolver. | Check feedback cable wiring, pinout, and shielding on X7. |
| H10 | System error | Internal microcontroller board system error. | Control board component failure or severe EMC interference. | Power cycle unit. Internal hardware error if persistent — contact service or replace unit. |
| NMAX | Overspeed | Motor speed exceeded maximum limit setting. | Control loop instability, incorrect speed controller gains, external driving torque. | Check speed controller parameter settings and maximum speed parameter C0011. |
| PR0 | Positioning program error | Syntax or logic error in positioning sequence table. | Invalid target position, missing reference point, target speed zero. | Verify positioning block table configuration using GDC software. |
Frequently Asked Questions
What power and current ratings does the Lenze EVS9326-ES support?
The Lenze EVS9326-ES is rated for 11 kW output power with a nominal output current of 23.5 A and a maximum peak output current of 35.3 A for 60 seconds. It operates on a 3-phase supply voltage between 320 V AC and 528 V AC.
What software is required to configure parameters on the EVS9326-ES?
Parameters are configured using Lenze Global Drive Control (GDC) software version 4.x or higher, connected via a USB system bus adapter like the EMF2177IB or EMF2173IB. Alternatively, parameters can be transferred directly without a PC using the plug-in EMZ9371BC operating keypad.
Which fieldbus interfaces are supported by the EVS9326-ES?
The EVS9326-ES features an integrated CAN system bus on connector X14 operating up to 500 kbit/s. It also features a plug-in AIF slot that supports modular fieldbus cards, including PROFIBUS-DP (EMF2133IB), CANopen (EMF2175IB), DeviceNet (EMF2174IB), and INTERBUS (EMF2111IB).
What motor feedback devices can be connected to the controller?
The controller supports motor feedback via resolver connections on interface X7, as well as TTL incremental encoders and master frequency connections on connectors X8 and X9.
What does a solid red light on the front panel indicate?
A solid red Fault LED indicates an active TRIP condition, which disables the power stage output to protect the motor and drive. Specific fault causes, such as short circuits or overvoltage, can be determined via the EMZ9371BC keypad or GDC software.
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