Lenze EMF2102IBCV001 Lecom A/B Communication Module
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Product Information
The Lenze EMF2102IBCV001 is a LECOM-A/B communication module belonging to the 2100 Series family, designed to provide serial connectivity and drive parameterization across industrial automation systems. Functioning as an interface adapter for Lenze 8200 vector, 8200 motec, and 9300 series drives, this communication module plugs directly into the host drive's Function In Function (FIF) slot and draws 5 V DC internal power without requiring an external supply. Its compact form factor integrates dual-interface hardware for both point-to-point diagnostics and multi-drop network integration.
Engineered with a 9-pin Sub-D female connector for RS-232 serial communication and a pluggable terminal block for RS-485 bus networks, the EMF2102IBCV001 supports communication speeds up to 19.2 kbps, configurable via onboard DIP switches or drive software parameters. Commissioning a replacement unit requires fitting the module into the drive slot and verifying that DIP switch settings match the existing network baud rate and host configuration. Operational setup and drive monitoring are supported through Lenze Global Drive Control (GDC) software, and ABC Industrial Parts can assist in sourcing fully tested spare modules to restore network communication with minimal machine downtime.
Diagnostics are provided through on-card LED indicators and drive parameters C0161 and C0016, which log specific LECOM communication errors. The STAT LED indicates power and internal operational status, while the BUS LED displays data transmission activity and network faults. Field troubleshooting should begin with inspecting RS-232/RS-485 wiring, connector seating, shield grounding, and DIP switch settings. When serial cable lines and parameter settings are correct but error codes CE0 or CE3 persist due to hardware line driver damage or internal failures, replacing the module or securing a tested unit from ABC Industrial Parts offers the most effective solution.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EMF2102IBCV001 |
| Model / Type | Lecom A/B |
| Component Type | Communication Module |
| Product Family | 2100 Series |
| Supply Voltage | 5 V DC |
| Maximum Baud Rate | 19200 bit/s |
| RS-232 Connector | 9-pin Sub-D Female |
| RS-485 Connector | Pluggable Terminal Block |
| Maximum Bus Participants | 31 |
| Installation Method | Plug-in FIF Drive Slot |
Programming and Configuration
Configuration and drive parameterization for the Lenze EMF2102IBCV001 module are managed through Lenze Global Drive Control (GDC) software. Using the GDC diagnostic panel, operators can access drive parameters, adjust operational settings, and monitor drive behavior in real time over the serial interface.
Communication speeds are set between 2,400 bit/s and 19,200 bit/s using hardware DIP switches located on the module or through software parameters within the drive controller. When replacing a module, DIP switches must be configured to match the baud rate expected by the host controller or diagnostic software.
Time-out monitoring periods are configured via drive parameter C0150. Ensuring that parameter settings in the host PLC or PC master align with parameter C0150 prevents unexpected communication trips during normal operation.
Communication and System Integration
The EMF2102IBCV001 features dual physical interfaces supporting both LECOM-A and LECOM-B serial protocols. The LECOM-A protocol utilizes a 9-pin Sub-D female connector dedicated to point-to-point RS-232 communication, making it ideal for temporary diagnostic setups and direct PC connection.
For multi-drive automation networks, the LECOM-B protocol operates over an RS-485 physical interface using a pluggable terminal block. This allows up to 31 drive controllers to be connected in a single multi-drop bus configuration back to a central host control system.
The module is compatible across multiple Lenze controller platforms, including 8200 vector, 8200 motec, and 9300 series servo drives, providing flexible system integration across varied factory automation applications.
Diagnostics and Status Indication
Visual status indication on the front faceplate of the EMF2102IBCV001 is provided by two multi-color LEDs. The STAT (LED 1) light indicates internal module power and hardware status, while the BUS (LED 2) light indicates network traffic and communication faults.
Detailed diagnostic information is recorded directly in the host drive's parameter system. Communication error codes are logged in parameter C0161 or C0016, allowing technicians to diagnose specific error conditions such as time-outs, parity errors, or framing mismatches using Lenze Global Drive Control.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| STAT / LED 1 | Green / Red - Solid Green / Red / Off | Green: Communication active and normal internal power. Off/Red: No communication, internal interface failure, or module fault. |
| BUS / LED 2 | Green / Red - Flashing Green / Red | Flashing Green: Transmitting data over RS232/RS485 interface. Red: Communication timeout or checksum error detected. |
Replacement and Spare Part Considerations
When replacing a failed Lenze EMF2102IBCV001 module, ensure the host drive power is safely isolated before inserting the replacement into the Function In Function (FIF) slot. The module draws its 5 V DC operating power directly from the drive's internal backplane, so no external power wiring is required.
Before applying power, verify that the hardware DIP switches for baud rate configuration match the settings of the original module. Mismatched baud rates will prevent communication with the host controller and trigger error code CE0.
Ensure that parameter settings within the drive, specifically monitoring time parameter C0150, are verified after module installation to confirm seamless integration with existing Lenze 8200 vector, 8200 motec, or 9300 servo drive installations.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| CE0 | LECOM Communication Fault | Communication failure or time-out detected on the LECOM interface. | Interrupted serial connection, incorrect baud rate, loose connector, or module internal failure. | Check RS232/RS485 cable wiring, baud rate DIP switch, and connector seating. If persistent with correct wiring, replace module. |
| CE1 | LECOM Time-out Error | Data telegram was not received within configured monitoring time. | Host PC/PLC stopped transmitting, incorrect timeout setting in parameter C0150. | Verify master program status, check parameter C0150 setting and wiring integrity. |
| CE2 | LECOM Parity / Framing Error | Invalid framing or parity error detected in incoming telegram. | Noise on serial line, wrong parity/baud configuration on host master. | Check line termination, shielding, and serial port settings on host device. |
| CE3 | LECOM Checksum Error | Checksum verification failed for received message buffer. | Electromagnetic interference (EMC) on communication line or damaged line driver hardware. | Verify cable shielding grounding. If error occurs continuously without noise present, replace module. |
Frequently Asked Questions
Which drive series are compatible with the Lenze EMF2102IBCV001?
The EMF2102IBCV001 communication module is compatible with Lenze 8200 vector series inverters, Lenze 8200 motec series inverters, and Lenze 9300 series servo drives.
What communication interfaces and protocols does the EMF2102IBCV001 support?
The module supports LECOM-A via a 9-pin Sub-D female RS-232 connector for point-to-point connections, and LECOM-B via a pluggable terminal block RS-485 interface for multi-drop networks up to 31 participants.
How is the baud rate configured on this module?
Operational transmission speeds up to 19.2 kbps can be adjusted using hardware DIP switches on the module or through internal drive software parameters.
How are communication errors identified on the Lenze EMF2102IBCV001?
Errors can be identified visually via the STAT and BUS LEDs on the faceplate, or by reading error codes CE0 through CE3 logged in drive parameters C0161 or C0016 using Lenze Global Drive Control software.
Does the EMF2102IBCV001 require an external power supply?
No external power supply is required. The module snaps directly into the host drive's FIF slot and draws 5 V DC directly from the drive.
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