Lenze E84AVHCE3714SX0 8400 Highline C Frequency Inverter 0.37kW
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Product Information
The Lenze E84AVHCE3714SX0 is a 0.37 kW frequency inverter from the 8400 Highline C series, engineered for precise motion control in automated machinery such as positioning axes, synchronized rotary indexing tables, and multi-zone conveyor systems. Housed in an IP20 enclosure for control cabinet installation, this drive operates on a 3-phase AC input supply ranging from 320 V to 550 V, delivering a rated output current of 1.3 A and a short-term maximum output current of 1.95 A (150% overload capacity). It provides versatile motor control methods, supporting V/f control, sensorless vector control, and closed-loop servo control across an output frequency range of 0 to 599 Hz with an 8 kHz default switching frequency. Hardware features include an onboard multi-encoder interface compatible with HTL, TTL, Resolver, and SinCos encoders, as well as integrated two-channel Safe Torque Off (STO) functional safety.
Connecting and commissioning a replacement E84AVHCE3714SX0 relies on its flexible interface layout and pluggable memory system. Interface connections include 8 digital inputs, 2 digital outputs, 2 analog inputs, and 2 analog outputs, alongside standard onboard CANopen system bus communication. For other industrial fieldbuses, an MCI extension slot accepts optional cards such as the E84AYCPM PROFINET, E84AYCPV PROFIBUS, or E84AYCEI EtherCAT modules. Commissioning a replacement unit does not require mandatory PC programming; transferring the removable L-force Memory Module directly into the spare inverter restores all parameter sets instantly. When engineering access or advanced adjustments are needed, the drive connects to Lenze EASY Starter or Lenze Engineer software suites using the Keypad X100 (E84AVTKE0000S) or USB Diagnostic Adapter (E84AVTCD0000S). ABC Industrial Parts provides pre-tested units and memory transfer support to streamline spare-unit installation.
Operational diagnostic feedback is provided by onboard status LEDs—DRV-READY, DRV-ERROR, CAN-RUN, and CAN-ERR—and through internal error logbooks accessible via keypad or software tools. Fault codes identify network, electrical, and thermal conditions, including mains overvoltage (0x0011), mains undervoltage (0x0012), motor short circuits (0x0021), heatsink overtemperature (0x0031), motor thermal trips (0x0041), and active STO safety states (0x0061). First-line troubleshooting involves verifying line voltage levels, checking motor power wiring and encoder feedback cables, confirming 120-ohm CAN bus termination, and verifying 24 V power to safety input terminals. If a persistent internal hardware fault (0x0091) occurs or the DRV-ERROR LED stays lit upon power-up without an external cause, internal board-level faults cannot be serviced in the field, making a tested replacement or repair through ABC Industrial Parts the effective path back to operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | E84AVHCE3714SX0 |
| Model / Type | 8400 Highline C |
| Product Family | 8400 Highline |
| Component Type | Frequency Inverter |
| Rated Power | 0.37 kW |
| Supply Voltage Range | 320 - 550 V AC (3-phase) |
| Rated Current | 1.3 A |
| Maximum Output Current | 1.95 A |
| Output Voltage Range | 0 - U_mains V AC |
| Output Frequency Range | 0 - 599 Hz |
| Switching Frequency | 8 kHz |
| Control Methods | V/f, Sensorless Vector Control, Servo Control |
| Encoder Feedback Interfaces | HTL, TTL, Resolver, SinCos |
| Functional Safety | Safe Torque Off (STO) |
| Onboard Fieldbus | CANopen |
| Digital I/O Channels | 8 Digital Inputs / 2 Digital Outputs |
| Analog I/O Channels | 2 Analog Inputs / 2 Analog Outputs |
| Enclosure Protection Rating | IP20 |
Programming and Configuration
Parameterization and commissioning of the Lenze E84AVHCE3714SX0 inverter are carried out using Lenze EASY Starter software for standard configuration tasks or the Lenze Engineer software suite for comprehensive motion engineering. Connection to a PC is established using the Lenze USB Diagnostic Adapter (E84AVTCD0000S). Direct manual operation, status checking, and setting changes can also be performed without a computer by attaching the optional Lenze Keypad X100 (E84AVTKE0000S).
The inverter stores all operation settings, motor control dynamics, closed-loop feedback parameters, and fieldbus node identifiers on a pluggable L-force Memory Module. During hardware replacement, swapping the physical memory card from the original unit to the replacement inverter copies all configuration data without software downloads or manual tool re-entry.
Communication and System Integration
The E84AVHCE3714SX0 comes equipped with an onboard CANopen system bus interface for integration into distributed motion control environments. The drive communicates cyclic status and control word data, supporting both Pre-Operational and Operational fieldbus states. Correct operation requires proper network configuration, including matching node IDs, correct baud rate selection, and standard 120-ohm bus termination resistors fitted at both physical line ends.
For integration into broader plant networks, the drive features a dedicated MCI module slot. This expansion slot accepts optional communication modules, including the E84AYCPM PROFINET module, E84AYCPV PROFIBUS module, and E84AYCEI EtherCAT module, as well as EtherNet/IP interface options. Hardwired discrete signals are managed via 8 digital inputs, 2 digital outputs, 2 analog inputs, and 2 analog outputs.
Diagnostics and Status Indication
Onboard diagnostic LEDs located on the front of the drive provide immediate visual feedback regarding operating status and network health. The DRV-READY and DRV-ERROR LEDs indicate drive readiness and general error conditions, while the CAN-RUN and CAN-ERR LEDs reflect CANopen communications status. Detailed historical diagnostics and active fault messages are logged within internal registers accessible through software tools or the external keypad display.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRV-READY | Green - Solid / Flashing / Off | On = Drive operational/ready; Flashing = Drive active / operating; Off = Drive not ready or fault active. |
| DRV-ERROR | Red - Solid / Flashing | Flashing / On = Error / Fault state active. If persistent on power-up without clear external cause, indicates internal hardware error requiring service. |
| CAN-RUN | Green - Solid / Flashing | Indicates CANopen state (Pre-Operational / Operational). |
| CAN-ERR | Red - Solid / Flashing | Indicates CANopen bus error / Bus Off condition. |
Replacement and Spare Part Considerations
When swapping out a Lenze E84AVHCE3714SX0 drive, confirm that the replacement matches the exact part number and electrical ratings, specifically the 0.37 kW output power, 1.3 A rated output current, and 3-phase 320 V to 550 V AC input range. Any installed MCI communication modules (such as PROFINET, PROFIBUS, or EtherCAT) must be uninstalled from the original device and moved to the expansion slot on the replacement unit.
To avoid re-commissioning the motor and application parameters, remove the L-force Memory Module from the original drive and insert it firmly into the replacement inverter prior to applying line power. Verify that the Safe Torque Off (STO) safety inputs receive their 24 V supply, confirm proper fieldbus connections and line termination, and test encoder feedback response before placing the axis back into production.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x0011 | Mains Overvoltage (OU) | DC bus voltage exceeds the upper limit. | Mains input voltage too high; regenerative energy from decelerating motor exceeds brake chopper capacity. | Check mains voltage; check deceleration time; install or inspect external brake resistor. |
| 0x0012 | Mains Undervoltage (LU) | DC bus voltage dropped below the allowable lower threshold. | Mains supply voltage too low; power supply failure; mains phase failure. | Check mains voltage supply; verify power wiring and fuses. |
| 0x0021 | Short Circuit / Overcurrent (OC) | Motor current exceeds the short-circuit trip threshold. | Short circuit in motor cable; short circuit in motor winding; acceleration ramp too steep. | Check motor cable for short circuit or earth fault; inspect motor windings; increase acceleration time. |
| 0x0031 | Heatsink Overtemperature (OH) | Inverter heatsink temperature exceeds maximum allowable threshold. | Ambient temperature too high; insufficient cooling air flow; fan failure or clogged heat sink. | Improve enclosure ventilation; clear heatsink obstructions; check fan operation. |
| 0x0032 | Interior Overtemperature (OHI) | Internal temperature inside inverter enclosure exceeds limit. | Control cabinet temperature too high; insufficient clearance around drive. | Ensure adequate cabinet cooling; verify required mounting clearances. |
| 0x0041 | Motor Overtemperature (OH4) | Motor thermal sensor or I²t motor protection tripped. | Motor overloaded; motor cooling insufficient; PTC/TK sensor open circuit. | Check motor mechanical load; verify motor thermal sensor connection and parameter settings. |
| 0x0051 | I²t Inverter Load (OC6) | Continuous overload threshold for the inverter power stage exceeded. | Drive operated above rated output current for too long. | Reduce load duty cycle; resize inverter to match load requirements. |
| 0x0061 | Safe Torque Off Active (STO) | Safety channel inputs opened or STO function requested. | Safety circuit open; emergency stop button pressed. | Close safety circuit / emergency stop circuit; apply 24V supply to safety input terminals. |
| 0x0071 | CANopen Bus Off (CE0) | Communication failure on CANopen system bus interface. | CAN bus cable broken; incorrect bus termination; baud rate mismatch. | Check CAN bus wiring, termination resistors (120 Ohm), node IDs, and baud rate setting. |
| 0x0081 | Memory Module Error (MM) | Memory module missing, unreadable, or invalid parameter content. | Memory module not inserted properly; corrupted data; incompatible memory card. | Reinsert memory module firmly; replace damaged memory module or format via software. |
| 0x0091 | Internal Hardware Error | Internal control board or power section failure detected. | Component defect on power stage or control board. | Internal hardware fault — return unit for repair or replace inverter. |
Frequently Asked Questions
How do I transfer drive parameters to a replacement Lenze E84AVHCE3714SX0 inverter?
Parameters are transferred by removing the pluggable L-force Memory Module from the original inverter and inserting it directly into the replacement unit. This transfers all stored motor data, parameters, and application configurations without requiring software tools or a PC connection.
Which software tools are used to program and diagnose the 8400 Highline C inverter?
The drive can be configured using Lenze EASY Starter software or the Lenze Engineer software suite. Hardware connection to a computer is made using the Lenze USB Diagnostic Adapter (E84AVTCD0000S). Direct manual operation can also be performed via the Lenze Keypad X100 (E84AVTKE0000S).
What feedback device types are supported by the onboard encoder interface?
The onboard multi-encoder interface evaluates HTL, TTL, Resolver, and SinCos encoder devices for closed-loop speed and positioning control.
What fieldbus communication modules can be added to the E84AVHCE3714SX0?
In addition to built-in CANopen networking, the inverter features an MCI module slot that accepts optional extension cards including the E84AYCPM (PROFINET), E84AYCPV (PROFIBUS), and E84AYCEI (EtherCAT) modules, as well as EtherNet/IP options.
What action should be taken if fault code 0x0091 is displayed?
Fault code 0x0091 indicates an internal hardware failure on the control board or power section. This internal component fault cannot be cleared through parameter changes or external wiring fixes, requiring unit repair or replacement.
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