Lenze E32GAC00000B4F9XXX-02S13400000 Controller 3221C Motion Controller
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Product Information
The Lenze E32GAC00000B4F9XXX-02S13400000 Controller 3221C is a high-performance cabinet-mounted motion controller belonging to the Lenze Controller 3200 C family. Designed for centralized automation and multi-axis synchronization, this motion controller is powered by a single-core Intel Atom 1.1 GHz processor paired with 1024 MB of RAM and 128 kB of non-volatile NVRAM retentive memory. Operating on a nominal 24 V DC supply voltage with an acceptable input range from 19.2 to 28.8 V DC, the compact unit features right-hand side backplane expansion capabilities for direct latching of Lenze I/O System 1000 slice modules.
Communication across machine networks is facilitated by dual 10/100 Mbit/s Ethernet ports with an internal switch for host communication, OPC UA, and Modbus TCP integration, alongside dedicated onboard EtherCAT master/slave and galvanically isolated CANopen motion interfaces. A USB 2.0 host port and an integrated SD card slot are accessible on the front panel. Bringing a replacement controller into service is straightforward: applications built using Lenze PLC Designer version 3.0 or higher and Lenze EASY Starter can be transferred directly without a programming PC. Transferring the standard Lenze SD card from a failed controller into a replacement unit automatically restores the full compiled CODESYS V3 runtime application, retentive parameters, and network topology upon power-up. ABC Industrial Parts can assist in sourcing fully functional spare units to ensure seamless hardware swaps.
Diagnostic oversight is provided via integrated front status LEDs labeled PWR, RUN, ERR, ECAT, and CAN, which indicate power state, PLC execution mode, internal system faults, and fieldbus communication health. Advanced status verification can be conducted online through the Lenze EASY Starter diagnostic viewer, embedded Web Server dashboard, or the CODESYS diagnostic log buffer. Initial troubleshooting should verify power stability, fieldbus wiring integrity, and 120-ohm termination resistors on CAN lines. Persistent red ERR indications or hardware watchdog trips point to internal board-level faults that cannot be repaired in the field. In such instances, exchanging the defective module for a tested unit from ABC Industrial Parts offers the most efficient path to restoring machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E32GAC00000B4F9XXX-02S13400000 |
| Model / Type | Controller 3221C |
| Component Type | Motion Controller |
| Product Family | Cabinet Controllers |
| Series | Controller 3200 C |
| Processor | Intel Atom 1.1 GHz Single-Core |
| System RAM Memory | 1024 MB |
| Retentive NVRAM Memory | 128 kB |
| Nominal Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.2 - 28.8 V DC |
| Ethernet Interfaces | 2x 10/100 Mbit/s (RJ45) |
| EtherCAT Interface | Integrated Master/Slave (100 Mbit/s) |
| CANopen Interface | Galvanically Isolated (Up to 1000 kbit/s) |
| USB Interface | USB 2.0 Type-A Host Port |
| Local I/O Bus Extension | Lenze I/O System 1000 Backplane Interface |
| Lifecycle Status | Phase Out / Legacy |
Programming and Configuration
Programming for the Lenze E32GAC00000B4F9XXX-02S13400000 Controller 3221C is performed using Lenze PLC Designer version 3.0 or higher, which integrates the IEC 61131-3 standard development environment backed by a CODESYS V3 real-time runtime engine. Engineers can structure complex continuous motion control, multi-axis synchronization, and sequential logic routines using standard industrial programming languages. Commissioning, parameter adjustments, and basic device diagnostics are managed through Lenze EASY Starter software.
Data integrity during unexpected power loss is handled by 128 kB of integrated NVRAM non-volatile memory, preserving active machine status and motion position records. Additionally, the unit features an SD card slot that supports certified Lenze standard SD memory cards. The memory card stores the compiled application program, system parameters, firmware images, and runtime files, enabling plug-and-play project backup and fast field restoration.
Communication and System Integration
The Controller 3221C provides modular networking capabilities suited for coordinated machinery topologies. Motion axis control is managed via onboard real-time interfaces, including an integrated 100 Mbit/s EtherCAT master/slave port and a galvanically isolated CANopen interface supporting transfer speeds up to 1000 kbit/s. Dual 10/100 Mbit/s RJ45 Ethernet ports with an integrated switch allow direct daisy-chain connection to higher-level industrial networks, facilitating OPC UA server tasks and Modbus TCP communication.
For localized I/O requirements, the unit features an integrated right-hand backplane bus interface. This allows direct latching expansion with Lenze I/O System 1000 slice modules without requiring external coupling hardware. Additional peripheral connectivity is available via a front-mounted USB 2.0 Type-A host port used for firmware updates and service maintenance.
Diagnostics and Status Indication
System status monitoring for the Lenze Controller 3221C is provided through a panel of five front diagnostic LEDs. Online troubleshooting can be conducted using Lenze EASY Starter diagnostic views, the Lenze PLC Designer device status log window, or the integrated Web Server dashboard accessible via any standard web browser over Ethernet. The CODESYS runtime buffer also records detailed system event logs for in-depth fault analysis.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| PWR | Green - Solid / Off | Green ON = 24V DC supply voltage normal. OFF = Missing or insufficient supply voltage. |
| RUN | Green - Solid / Flashing | Green ON = Controller in RUN mode / PLC program execution active. Blinking = Controller initializing or stopped state. |
| ERR | Red - Solid / Flashing | Red ON / Blinking = System fault or runtime error active. Blinking red pattern indicates controller diagnostic condition; persistent red after reset indicates internal hardware failure requiring service or module replacement. |
| ECAT | Green / Red - Solid / Flashing | Green/Red LED indicates EtherCAT network status (Operational, Pre-Operational, Safe-Operational, or EtherCAT bus error). |
| CAN | Green / Red - Solid / Flashing | Green/Red LED indicates CANopen communication status (Operational, Pre-Operational, Bus Off, or Warning). |
Replacement and Spare Part Considerations
When replacing a Lenze E32GAC00000B4F9XXX-02S13400000 unit, match the specific model designation 3221C and part number to ensure exact backplane compatibility and processor specifications. Because this hardware is in phase-out status, keeping a verified spare unit on site minimizes machine downtime in continuous production environments such as packaging, material handling, or automotive assembly lines.
Field replacement is designed for minimal operational interruption. Transferring the inserted Lenze SD card from the old unit to the replacement controller automatically loads the stored application binary, network parameters, and retentive data into memory upon power-up. If no SD card backup is available, the application project must be recompiled and uploaded using Lenze PLC Designer version 3.0 or higher.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x0001 | System Boot Error | Operating system or firmware failed to initialize properly during startup. | Corrupted OS image on storage, damaged flash memory, or defective internal hardware. | Re-flash firmware via SD card or EASY Starter. Internal hardware fault if error persists — replace controller unit. |
| 0x0002 | NVRAM Retentive Data Invalid | Checksum failure or corruption detected in non-volatile retentive RAM memory. | Power failure during write cycle or NVRAM battery/hardware degradation. | Perform warm/cold PLC reset and reload initial retentive parameters from project backup. |
| 0x0010 | EtherCAT Bus Master Error | EtherCAT master failed to communicate with one or more slave nodes on the network. | Cable interruption, disconnected EtherCAT slave device, duplicate node ID, or missing terminal resistor. | Check EtherCAT network wiring, slave power supplies, and node IDs against project topology. |
| 0x0020 | CANopen Bus Off Error | CAN controller entered Bus-Off state due to excessive error frames on the CANbus. | Incorrect baud rate, wiring short/open circuit, missing 120-ohm termination resistors, or extreme noise. | Verify CANbus termination, baud rate settings, and physical bus wiring. |
| 0x0040 | SD Card Access Error | Unable to read from or write to the inserted SD card. | Missing SD card, unformatted card, incompatible file system format, or corrupted card content. | Ensure card is fully inserted; format SD card to FAT32 or replace with certified Lenze SD memory card. |
| 0x0080 | PLC Runtime Task Overrun | Cyclic IEC program task exceeded configured maximum cycle time execution limit. | Task time configured too short for application logic, or infinite loop in user program. | Optimize PLC program code or adjust cyclic task timing settings in Lenze PLC Designer. |
| 0x0100 | Internal Hardware Watchdog Fault | Hardware watchdog reset triggered by internal system stall. | Internal processor or memory error — board-level fault. | Internal hardware fault — return unit for factory repair or replace controller module. |
Frequently Asked Questions
How do I transfer a PLC project to a replacement Lenze 3221C controller without a PC?
You can restore the project by inserting the original Lenze standard SD memory card containing the compiled application backup into the replacement controller. Upon power-up, the controller automatically loads the project application, network configuration, and retentive NVRAM data.
Which software tools are required to program and configure the Controller 3221C?
Engineering and logic programming require Lenze PLC Designer version 3.0 or higher (supporting IEC 61131-3 standard languages with CODESYS V3 runtime). Commissioning and parameter diagnostics can also be handled using Lenze EASY Starter.
What does a persistent red ERR LED indicate on the Lenze 3221C?
A persistent red ERR LED after a system reset indicates an internal hardware fault or unrecoverable system failure. If reloading the firmware via SD card does not resolve the issue, the module must be replaced.
How is local I/O expanded on the Lenze E32GAC00000B4F9XXX-02S13400000?
Local digital and analog I/O are expanded using Lenze I/O System 1000 slice modules, which latch directly onto the right-hand backplane bus interface of the controller.
What motion control communication interfaces are built into the Controller 3221C?
The Controller 3221C includes an onboard 100 Mbit/s EtherCAT master/slave interface and a galvanically isolated CANopen interface supporting communication speeds up to 1000 kbit/s.
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Specific firmware and hardware versions
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