Lenze 00393111 EMB9351-E Keypad Operating Module
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Product Information
The Lenze 00393111 EMB9351-E is a plug-in keypad operating module designed for direct attachment to the Automation Interface (AIF) slot of Lenze frequency and servo inverters. Positioned within the 9300 and 8200 Vector accessory lineup, this human-machine interface module provides complete local operation and parameter monitoring for Lenze 9300 Servo Inverters, 9300 Servo PLCs, 9300 Vector drives, and 8200 Vector series frequency inverters. The unit features an illuminated two-line by 16-character LCD display for clear visual readings and a tactile nine-key keypad containing dedicated buttons including PRG, SHIFT, RUN, STOP, directional navigation arrows, and ENTER for immediate menu navigation and drive control.
Connecting directly via the front-facing Lenze Automation Interface slot, the module features full hot-plug support, permitting attachment or removal while the host inverter is powered and operational. Commissioning a replacement drive or duplicating operational setups is simplified by the module's integrated non-volatile EEPROM memory, which holds one complete inverter parameter set. Technicians can perform one-touch LOAD and STORE commands to back up parameters from a running unit and clone them directly into spare drives without requiring external software or laptop connections. Where parameter extraction from a failed unit requires technical assistance, ABC Industrial Parts provides expert support for spare preparation and configuration transfer.
For real-time operational feedback, the module displays active drive states such as IMP, READY, FAIL, and STOP, alongside a menu-driven historical fault logbook and plain text alarm messages. When communication between the module and drive processor is interrupted, code CE0 signals an AIF contact or slot alignment issue that can often be resolved by reseating the unit; persistent memory errors such as code EE0 indicate internal EEPROM degradation requiring module replacement. Operating alarms including heatsink overtemperature (OH), DC bus overvoltage (OU), DC bus undervoltage (LU), and overcurrent (OC1) are displayed on screen to guide immediate physical checks of cabinet cooling, line supply, and motor wiring. When internal hardware faults occur within the operating module or host inverter, ABC Industrial Parts offers tested replacement modules to restore production quickly.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00393111 |
| Model / Type | EMB9351-E |
| Component Type | HMI Keypad Operating Module |
| Product Family | 9300 / 8200 Vector Accessories |
| Display Type | Illuminated LCD |
| Display Lines | 2 lines |
| Display Resolution | 2x16 characters |
| Number of Keys | 9 keys |
| Mounting Type | Plug-in front panel (AIF slot) |
| Hot Pluggable | Yes |
| Parameter Storage Capacity | 1 complete parameter set |
| Storage Type | Internal non-volatile EEPROM |
| Interface | Lenze Automation Interface (AIF) |
Programming and Configuration
The Lenze 00393111 EMB9351-E enables full drive parameterization and tuning directly on the plant floor without external PC connections or specialized engineering software. Navigating menu structures, adjusting parameters, and executing control commands is handled via the tactile nine-key keypad, using dedicated keys such as PRG, SHIFT, navigation arrows, and ENTER. The illuminated 2x16 character LCD screen displays menu paths, parameter indices, and exact operational values in plain text.
For configuration backup and fast replication, the module contains internal non-volatile EEPROM memory configured to store one complete inverter parameter set. Utilizing the module's onboard LOAD and STORE commands, technicians can save a complete parameter profile from an operational drive into the keypad, move the module to a replacement inverter, and upload the exact configuration within minutes. This onboard cloning process prevents manual entry errors and minimizes system downtime during maintenance.
Communication and System Integration
The EMB9351-E connects directly to compatible host drives through the integrated Lenze Automation Interface (AIF) front slot. This direct plug-in connection establishes internal control and monitoring pathways without requiring external communication leads, serial converters, or auxiliary power supplies.
The module maintains functional compatibility across multiple Lenze inverter product ranges, including Lenze 9300 Servo Inverters, Lenze 9300 Servo PLCs, Lenze 9300 Vector Series drives, and Lenze 8200 Vector Frequency Inverters. Its hot-pluggable design allows maintenance personnel to insert or remove the module during active drive operation, enabling a single keypad unit to serve as a portable parameterization tool across several production lines.
Diagnostics and Status Indication
Real-time operational monitoring is provided on the two-line LCD screen, displaying primary drive states such as IMP (Inverter Inhibit), READY, FAIL, and STOP. In addition to live status readout, the module features a menu-accessible fault logbook that records historical system messages to assist technicians during diagnostic evaluations.
System faults are displayed as alphanumeric error codes alongside descriptive plain text explanations. This direct visual feedback allows technicians to identify drive overload conditions, supply voltage irregularities, and hardware contact faults on site without connecting external PC diagnostic software.
Replacement and Spare Part Considerations
When replacing an EMB9351-E module, direct plug-and-play installation into the Automation Interface slot restores full control functionality immediately. No hardware switch settings, address rotary selection, or physical jumpers are required on the module itself.
When swapping out a faulty inverter, the EMB9351-E can be attached to the existing drive to copy its parameter set into internal EEPROM storage via the STORE command. Once the new drive hardware is physically installed and wired, attaching the module and executing the LOAD command transfers the saved parameter profile, ensuring consistent motor behavior without manual parameter keying.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| CE0 | Communication Error AIF | Communication fault between operating module / AIF interface and drive controller internal processing | Operating module poorly seated in AIF slot, bad electrical contact, or internal hardware fault in slot/module | Reseat EMB9351-E module in AIF slot; inspect module contacts; replace EMB9351-E if fault persists |
| EE0 | EEPROM Error Operating Module | Internal non-volatile memory read/write error inside EMB9351-E | Operating module memory corruption or damaged EEPROM chip | Retry load/store operation; if error recurs, internal hardware fault requires replacing the EMB9351-E module |
| OH | Drive Heatsink Overtemperature | Host drive heatsink temperature exceeded thermal limit | Insufficient cooling, clogged fan/heatsink, high ambient temperature, excessive drive load | Check cabinet ventilation, clean cooling fins, ensure fan operational, lower load |
| OU | DC Bus Overvoltage | Drive DC bus voltage exceeded upper limit | Excessive regenerative energy during braking, deceleration ramp too short, supply mains overvoltage | Extend deceleration time, connect or check braking resistor, verify line voltage |
| LU | DC Bus Undervoltage | Drive DC bus voltage dropped below minimum threshold | Mains voltage failure, line phase loss, input fuse blown | Check AC line voltage, power supply connections, and input fuses |
| OC1 | Short Circuit / Overcurrent | Output current exceeded peak overload limit | Short circuit on motor output terminals, motor ground fault, acceleration ramp too fast | Check motor wiring and insulation, verify motor parameters, extend acceleration ramp |
Frequently Asked Questions
Can the Lenze 00393111 EMB9351-E module be connected while the drive is powered on?
Yes, the module is fully hot-pluggable and can be safely inserted into or removed from the front Automation Interface slot while the host drive is powered and operating.
Do I need external software or a laptop to clone parameters with the EMB9351-E?
No, parameter backup and transfer are executed directly through the module keypad menu using its built-in non-volatile EEPROM memory, requiring no external computer or software.
Which Lenze drive series are compatible with the EMB9351-E operating module?
The module is compatible with Lenze 9300 Servo Inverters, Lenze 9300 Servo PLCs, Lenze 9300 Vector Series drives, and Lenze 8200 Vector Frequency Inverters.
What does fault code CE0 indicate on the EMB9351-E display?
Fault code CE0 indicates a communication error between the operating module and the drive controller's internal processor, usually caused by improper seating in the AIF slot or contaminated electrical contacts.
How many parameter sets can be saved inside the EMB9351-E?
The internal non-volatile EEPROM memory stores one complete drive parameter set for backup, cloning, or drive replacement operations.
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Disclaimer:
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