Lenze 00471486 EMF2111IB – LECOM Communication Module
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Product Information
The Lenze 00471486 (type EMF2111IB) is a LECOM serial communication module designed to establish serial fieldbus networking for Lenze frequency inverters and servo drives. Belonging to the LECOM Communication Modules family, this function module installs directly into the standard Function In Field (FIF) slot of compatible drive controllers, including Lenze 8200 Vector, 8200 Motec, 9300 Servo, Lenze Drive PLC, and 2100 series drives. Powered internally through the host inverter's FIF interface, the unit provides dual physical interface options: a 9-pin female Sub-D connector for point-to-point serial communication and screw terminal block connections for multi-drop bus networks.
Integrating a replacement EMF2111IB module into an existing installation requires matching hardware configurations before applying power. Communication parameters, including the node address and transmission baud rate between 2,400 and 19,200 bits per second, are configured directly using manual DIP switches located on the module body. Drive monitoring and parameterization are conducted over LECOM-A (RS232) or LECOM-B (RS485) protocols using Lenze Global Drive Control (GDC) software. Because the module receives power and internal signals directly from the host drive's interface slot, a spare module can be commissioned quickly by replicating the DIP switch positions of the original unit. ABC Industrial Parts supports technical teams with fully tested replacement units to ensure minimal loss of operational uptime.
Diagnostic indication is provided through front-plate status LEDs alongside host drive parameter monitoring. The green Ready LED signals power availability and module initialization, flashing during active data transfer, while the red Error LED indicates bus timing faults or serial framing issues. Diagnostic parameters C0150 and C0009 on the host drive display active LECOM status codes and communication fault history. Standard troubleshooting steps include verifying module seating within the FIF slot, checking shield grounding on signal cables, and confirming DIP switch settings against host settings. If the Error LED remains illuminated solid without network activity or if hardware fault code CE4 is raised, an internal circuit defect is present, requiring module replacement or professional repair through ABC Industrial Parts.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00471486 |
| Model / Type | EMF2111IB |
| Component Type | Communication Module |
| Product Family | LECOM Communication Modules |
| Communication Interface | RS232 / RS485 |
| Supported Protocols | LECOM-A, LECOM-B |
| Baud Rate Range | 2400 to 19200 bit/s |
| Power Supply | Internal via host inverter FIF interface |
| Galvanic Isolation | Yes |
| Slot Compatibility | FIF (Function In Field) slot |
| RS232 Interface Connector | Sub-D 9-pin female |
| RS485 Interface Connector | Screw terminals |
Programming and Configuration
Parameter configuration and system setup for the Lenze 00471486 EMF2111IB module are managed through Lenze Global Drive Control (GDC) and GDC Easy software tools. These engineering programs enable maintenance personnel and software engineers to read drive parameters, modify operating values, and monitor active bus communications remotely from a connected master PC or PLC.
Hardware configuration is established manually using on-board DIP switches, avoiding the need for dedicated software loading onto the communication module itself. These switches define the serial node address and select transmission speeds between 2,400 bit/s and 19,200 bit/s. When installing a replacement module, matching the physical DIP switch settings to the original unit ensures immediate alignment with the existing controller architecture.
Communication and System Integration
The EMF2111IB module supports two distinct serial communication standards: LECOM-A point-to-point connections over RS232 and LECOM-B multi-drop connections over RS485. Point-to-point RS232 communication uses a front-facing 9-pin female Sub-D connector for direct connection to host PCs or programming units. RS485 multi-drop wiring is connected via industrial screw terminals for field bus distribution.
When operated in LECOM-B RS485 mode, up to 90 drive nodes can be networked on a single bus line over extended distances. Integrated galvanic isolation separates the serial line connections from the host drive's internal control electronics, shielding sensitive microprocessor circuits against voltage transients, electrical noise, and ground loop current in industrial plant environments.
Diagnostics and Status Indication
Front-panel LED status indicators provide immediate operational feedback for the EMF2111IB module. A green Ready LED confirms that supply voltage is being delivered correctly through the FIF slot and flashes during active serial data transfer. A red Error LED indicates bus timing errors, telegram framing issues, or internal board faults.
In addition to hardware visual indications, diagnostic status values can be read directly from the host drive using parameters C0150 and C0009. Comprehensive bus monitoring can also be conducted using the built-in diagnostic tool within Global Drive Control software to analyze live telegram traffic and resolve network timing anomalies.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready | Green - Solid / Flashing | Module supply voltage OK and module initialized properly. Flashing indicates active data transfer. |
| Error | Red - Solid / Flashing | Communication fault or protocol timeout error. Solid illumination without transfer activity indicates an internal board fault. |
Replacement and Spare Part Considerations
When replacing a failed Lenze 00471486 EMF2111IB module, ensure that the host drive is fully powered down before removing or inserting hardware. The module draws its operational supply directly from the host inverter via the Function In Field (FIF) interface, eliminating external auxiliary power connections.
Prior to inserting the spare module into the FIF slot, copy the DIP switch positions from the old module to match the required node address and baud rate. Once seated securely and powered on, check the green Ready LED and host drive parameter C0150 to verify proper communication initialization.
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 0 | Communication error between function module (FIF) and host inverter CPU. | Module not correctly seated in FIF slot; loose connection; hardware defect on module or inverter interface slot. | Check physical seating of module in FIF slot; power cycle drive; replace EMF2111IB module if error persists. |
| CE1 | LECOM-A/B Communication Time-Out | Time-out during serial communication over LECOM-A or LECOM-B. | Broken communication cable; wrong baud rate setting; incorrect bus node address; master computer stopped sending telegrams. | Check cable connection and wiring; verify DIP switch baud rate and address setting; check master controller status. |
| CE2 | LECOM Receive Buffer Overflow / Parity Fault | Data frame fault, framing error, or buffer overflow on serial interface. | Electromagnetic interference on communication lines; wrong parity/data bits configuration on master; shield not grounded. | Check shield grounding and routing of signal cable away from power leads; check parity settings on host PC/PLC. |
| CE3 | LECOM Telegram Error | Invalid checksum or malformed protocol telegram received. | Noise on serial line; corrupted message frame. | Inspect line termination and shielding; retry transmission. |
| CE4 | FIF Module Hardware Fault | Internal hardware or initialization error on the EMF2111IB module. | Internal component failure on the function module circuit board. | Internal hardware fault — replace the EMF2111IB module or return for repair. |
Frequently Asked Questions
What primary function does the Lenze EMF2111IB module serve?
The Lenze EMF2111IB (part number 00471486) provides serial fieldbus communication over LECOM-A (RS232) and LECOM-B (RS485) protocols, enabling parameter adjustments, drive monitoring, and network control.
Which drive families are compatible with the EMF2111IB?
The EMF2111IB installs into standard FIF slots present on Lenze 8200 Vector, 8200 Motec, 9300 Servo, Lenze Drive PLC, and 2100 series drives.
How are the communication baud rate and bus address configured?
Address settings and transmission speeds between 2,400 bit/s and 19,200 bit/s are configured directly using hardware DIP switches located on the module.
What do the front panel status LEDs indicate?
The green Ready LED indicates normal power supply and flashes during data transfer. The red Error LED indicates protocol timeouts, framing errors, or an internal hardware failure.
What steps should be taken if fault code CE0 appears?
Fault code CE0 indicates an internal interface error between the FIF module and the drive CPU. Verify physical module seating in the FIF slot, power cycle the drive, and replace the module if the fault persists.
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