Lenze 00460583 ESMD751X2SFA smd Series 0.75 kW AC Frequency Inverter
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Product Information
The Lenze 00460583, model ESMD751X2SFA, is an AC frequency inverter from the Lenze smd Series designed for precise speed regulation of standard three-phase induction motors up to 0.75 kW (1.0 HP). Operating on a flexible power supply input of 200 V AC to 240 V AC across 48 Hz to 62 Hz in either single-phase or three-phase configurations, this sub-micro drive converts line power to a controlled three-phase 0 V AC to 230 V AC output rated at 4.0 A continuous output current. The unit features an IP20 enclosure rating and incorporates an integrated Class A EMC interference suppression filter, designated by the SF suffix in the model number, eliminating the need for external noise filter hardware in industrial panel builds.
Physical control interfaces on the ESMD751X2SFA include three programmable digital inputs, one multi-function analog setpoint input supporting 0 to 10 V or 0/4 to 20 mA signals, and one Form C programmable status relay output. Fast commissioning and configuration backups are managed through the removable Electronic Programmable Module (EPM), a plug-in memory chip that stores drive parameter data directly on the hardware. EPM parameter extraction and cloning allow operational profiles to be copied offline using the Lenze EPM Standalone Programmer Unit or transferred directly into a spare unit without applying main power or manually re-keying parameters. ABC Industrial Parts provides technical support and ready spare units to assist with parameter migration and fast drive replacement.
Real-time operational status and trip diagnostics are displayed directly on the front panel via an integrated 3-digit 7-segment LED display, which indicates running states such as OFF, rUn, and StoP alongside numerical fault codes ranging from F01 to FCE. The inverter provides specific error codes for mains overvoltage, undervoltage, motor overload, overcurrent, and heatsink thermal limits. While external issues like mechanical jams or incorrect signal wiring can be addressed at the terminal level, persistent faults such as F04 overcurrent or F09 internal hardware faults indicate internal power stage or board failure that cannot be serviced in the field. In these instances, ABC Industrial Parts supplies fully tested replacement drives and repair services to minimize system downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00460583 |
| Model / Type | ESMD751X2SFA |
| Product Family | smd Series |
| Component Type | AC Frequency Inverter |
| Rated Power (kW) | 0.75 kW |
| Rated Power (HP) | 1.0 HP |
| Supply Voltage Range | 200 - 240 V AC (1-Phase / 3-Phase) |
| Supply Frequency Range | 48 - 62 Hz |
| Output Voltage Range | 0 - 230 V AC (3-Phase) |
| Continuous Output Current | 4.0 A |
| Maximum Output Current | 6.0 A (150% for 60 s) |
| Input Current (1-Phase) | 9.0 A |
| Input Current (3-Phase) | 5.2 A |
| Output Frequency Range | 0 - 500 Hz |
| Switching Frequency | 4 / 8 / 10 kHz |
| Control Mode | V/f Linear / V/f Quadratic |
| Digital Inputs | 3 |
| Analog Inputs | 1 (0-10V, 0/4-20mA) |
| Relay Outputs | 1 (Form C programmable relay) |
| Integrated EMC Filter | Class A Integrated Filter |
| Enclosure Rating | IP20 |
Programming and Configuration
Configuring the Lenze 00460583 ESMD751X2SFA frequency inverter centres around the pluggable Electronic Programmable Module (EPM). The EPM memory chip stores all operational parameters, including V/f linear or quadratic curve settings, current limit thresholds, acceleration and deceleration times, and carrier frequency selection. Settings can be programmed directly using the front-panel 3-digit keypad interface or externally via dedicated hardware.
Because all parameter memory resides on the removable EPM chip, commissioned settings can be transferred instantly between units without connecting a PC or restoring software backups. In the event of a drive failure, maintenance personnel can power down the inverter, move the existing EPM chip into a replacement drive, and restore full operational readiness immediately. For facilities operating multiple identical machines, offline parameter replication can also be performed using the Lenze EPM Standalone Programmer Unit.
Communication and System Integration
The ESMD751X2SFA integrates smoothly into control cabinets via a standardized terminal interface. The drive includes three programmable digital inputs for run/stop control, direction reversal, or preset speed invocation. A multi-function analog input accepts either 0 to 10 V DC voltage references or 0/4 to 20 mA current loops, enabling simple connection to PLCs, external potentiometers, or process sensors.
To optimize motor performance and minimize operational acoustic noise, the drive allows pulse-width modulation (PWM) switching frequencies to be set at 4 kHz, 8 kHz, or 10 kHz. With an output frequency range of 0 Hz to 500 Hz, the inverter is suitable for standard speed control as well as higher-speed motor applications. The built-in Class A EMC filter ensures compliance with industrial electromagnetic interference requirements, conserving cabinet footprint and eliminating extra wiring associated with external filters.
Diagnostics and Status Indication
Operational states and trip conditions on the ESMD751X2SFA are indicated directly on the front panel via a 3-digit 7-segment LED display. During regular motor operation, the display presents status messages such as OFF, rUn, and StoP. When an electrical or thermal threshold is breached, the drive trips and displays an alphanumeric fault code (such as F01 through FCE) corresponding to the underlying condition.
In addition to local visual diagnostics, trip events automatically activate the internal Form C status relay, providing an external fault indication contact to central supervisory control systems or alarm towers. Diagnostic history and parameter data can also be interrogated through hardware reading functions on the EPM programmer.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| 3-Digit 7-Segment LED Display | Numeric / Code Display | Displays operational states (e.g., OFF, rUn, StoP) and active fault codes (F01 through FCE) |
Replacement and Spare Part Considerations
When selecting a replacement unit for a Lenze 00460583 inverter, confirm that the model designation ESMD751X2SFA matches the existing hardware. The SF suffix indicates the inclusion of an internal Class A EMC filter. Installing a variant without an integrated filter (such as ESMD751X2SNA) into an installation designed around filtered hardware can introduce electrical noise into nearby control circuits.
During drive replacement, always disconnect line power before removing or inserting the pluggable EPM module. Moving the existing EPM module into the replacement drive transfers all custom application parameters instantly, eliminating manual programming. If the existing EPM module is damaged or unreadable, a new chip must be programmed with saved application parameter values using the Lenze EPM Standalone Programmer Unit.
As the Lenze smd Series is discontinued by the manufacturer, sourcing verified spare drives is critical to maintaining operational continuity in material handling and packaging systems. For long-term facility modernization, Lenze designates the i510 Cabinet Series frequency inverters as the official successor platform.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| F01 | DC Bus Overvoltage | DC bus voltage exceeded the maximum safety limit. | Mains input supply voltage too high, deceleration time too short, or excessive regenerative energy from motor load. | Check input mains supply voltage; increase deceleration time (parameter C013); fit dynamic braking module if applicable. |
| F02 | DC Bus Undervoltage | DC bus voltage dropped below minimum operating limit. | Mains supply voltage too low, temporary power outage, or loose power wiring. | Check mains voltage; verify power connections and fuses. |
| F03 | Inverter Overload / Motor Overload (I x t) | Thermal overload threshold exceeded for motor or drive output power stage. | Continuous mechanical overload, motor undersized, poor motor ventilation, acceleration time too short. | Check motor loading; increase acceleration time; verify motor thermal parameters. |
| F04 | Inverter Overcurrent / Peak Current Exceeded | Output current threshold exceeded instant maximum limit. | Short circuit or ground fault at inverter output, motor phase short, rapid load spike, excessive boost setting. | Check motor cables and motor insulation for short circuit or earth fault; reduce current boost (C016). If error persists with motor disconnected, internal power stage failure requires drive replacement/service. |
| F05 | Heatsink Overtemperature | Inverter heatsink temperature exceeds maximum safety limit. | Insufficient cooling airflow, ambient temperature above 55°C, clogged cooling fins, cooling fan fault. | Clean heatsink cooling fins; improve cabinet ventilation; reduce ambient temperature. |
| F06 | EPM Memory Fault / Data Error | Error reading or writing data to the plug-in EPM chip. | EPM chip missing, inserted incorrectly, damaged, or parameter data corrupted. | Power off, re-seat the EPM module; re-program EPM or replace damaged EPM module. Internal hardware fault requiring replacement if error persists. |
| F07 | External Fault (TRIP) | External trip activated via a programmed digital input. | External protective sensor (e.g., thermistor relay, limit switch) assigned to digital input opened/closed. | Check external fault condition attached to digital input. |
| F08 | Motor Overtemperature | Motor PTC thermistor trip detected on designated input. | Motor overheating due to excessive load, lack of forced cooling at low speed, or defective motor thermal sensor. | Allow motor to cool; inspect motor cooling fan; check motor load. |
| F09 | Internal Hardware Fault | Internal electronic component or micro-controller self-test failed. | Internal board failure, power supply board failure, corrupted internal firmware. | Internal hardware fault — non-field serviceable. Return unit for repair or replace the drive. |
| F10 | Current Limit / Current Stall Error | Inverter output reached maximum current limit for too long. | Mechanical jam or locked rotor condition. | Check mechanical drive train for blockages; check motor sizing. |
| F12 | PI Feedback Loss / Process Fault | Process feedback signal lost or out of range during PID operation. | Broken sensor wire, failed feedback pressure/flow sensor, incorrect input scaling. | Inspect process sensor and wiring to analog input. |
| FCE | Keypad / Control Error | Communication lost between keypad/control interface and main board. | Loose keypad connection or electrical interference. | Verify keypad attachment; cycle input power. |
Frequently Asked Questions
How are parameter settings transferred during replacement of an ESMD751X2SFA drive?
Parameters are stored on a removable Electronic Programmable Module (EPM) chip on the front panel. You can swap parameters instantly by powering off the drive, removing the EPM chip from the original unit, and plugging it into the replacement inverter.
What input power voltage does the Lenze 00460583 inverter accept?
The ESMD751X2SFA operates on an input line voltage of 200 V AC to 240 V AC at 48 Hz to 62 Hz. It supports dual input wiring, accepting either single-phase (1-phase) or three-phase (3-phase) mains power.
What does the 'SF' suffix in the ESMD751X2SFA part code indicate?
The 'SF' suffix indicates that the inverter includes an integrated Class A EMC interference suppression filter inside the unit housing, avoiding the need for an external noise filter.
What is the official successor platform for the Lenze smd inverter series?
Lenze recommends the i510 Cabinet Series frequency inverters as the successor platform for modernizing applications running legacy smd series drives.
What should be checked if fault code F04 appears on the display?
Fault F04 indicates an overcurrent or peak current trip. Inspect motor wiring and motor windings for phase shorts or ground faults. If F04 persists after disconnecting motor leads from the inverter terminals, the drive has an internal power stage failure and must be repaired or replaced.
What control terminals are available on the Lenze ESMD751X2SFA drive?
The drive includes 3 programmable digital inputs, 1 multi-function analog input (supporting 0-10 V voltage or 0/4-20 mA current), and 1 Form C programmable relay output for alarm and operational status feedback.
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