Lenze 00409551 EMF2111IB CAN System Bus Communication Module
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Product Information
The Lenze EMF2111IB (part number 00409551) is a CAN System Bus communication function module engineered for Lenze 8200 vector frequency inverters and Lenze 9300 series servo and frequency drives. Designed to plug directly into the host drive's option slot via a 20-pole multi-pin header, this module enables high-speed fieldbus integration and drive-to-drive dynamic process data exchange across CANopen and Lenze System Bus networks. The unit features a 5-pole pluggable screw terminal block for physical fieldbus wiring and integrated front-panel status LEDs for immediate operational diagnostics, making it an essential interface in multi-axis motion control installations.
Interfacing the EMF2111IB module into a drive network involves connecting fieldbus wiring to the front terminal block and setting hardware switches or software parameters. Onboard DIP switches allow manual setup of the CAN node ID and baud rates ranging from 10 kbps to 500 kbps, while parameters can also be configured through drive code tables using Lenze Global Drive Control (GDC) or L-force Engineer software. An optional 24 V DC external supply connection keeps network communication active even when the host inverter main power is disconnected. Commissioning a replacement unit requires configuring the DIP switches to match the node address and transmission speed of the original unit, ensuring rapid communication recovery with ABC Industrial Parts supplying tested replacement modules.
Diagnostic monitoring on the EMF2111IB is provided through two front-panel LED indicators, CAN-RUN and CAN-ERR, alongside parameter inspection in drive software and operator keypad error logs. Network initialization, operational states, warning limits, and bus-off errors are indicated in real time to assist technicians with cable and node verification. If a host drive indicates fault code ECE due to lost internal communication with the module, power should be isolated to re-seat the 20-pole backplane connector. Persistent internal communication faults or hardware failures cannot be repaired on the board, making module replacement or unit exchange through ABC Industrial Parts the most reliable route back to production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00409551 |
| Model / Type | EMF2111IB |
| Component Type | Communication Module |
| Product Family | 8200 Vector / 9300 |
| Supported Protocols | CAN / Lenze System Bus / CANopen |
| Baud Rate Range | 10 - 500 kbps |
| External Supply Voltage | 24 V DC |
| Galvanic Isolation | Isolated |
| Fieldbus Connector | 5-pole pluggable screw terminal block |
| Backplane Connector | 20-pole multi-pin function module header |
Programming and Configuration
Configuring the Lenze EMF2111IB communication module requires setting network parameters to match the host system's CANopen or Lenze System Bus parameters. Onboard DIP switches allow direct hardware selection of the CAN node address and transmission speed, supporting baud rates of 10, 20, 50, 100, 250, and 500 kbps. When DIP switches are not used, parameter values can be adjusted through drive code table parameters C0361 and C0363.
Engineering software applications such as Lenze Global Drive Control (GDC) and Lenze L-force Engineer provide diagnostic visibility and parameter management for the module. When commissioning a replacement module, matching the hardware DIP switch settings or loading the identical code table parameters ensures seamless integration with the network master and peer drives.
Communication and System Integration
The EMF2111IB module connects Lenze 8200 vector and 9300 series drives into dynamic motion networks. Physical fieldbus wiring attaches via a 5-pole pluggable screw terminal block on the module face, while connection to the internal drive controller is established through a 20-pole multi-pin header. Communication rates are adjustable from 10 kbps to 500 kbps to suit varying network topology lengths and performance demands.
To safeguard control circuits against noise in heavy industrial environments, the EMF2111IB incorporates integrated galvanic isolation between the fieldbus interface and internal drive electronics. The module also features an optional 24 V DC external auxiliary power connection, which maintains network node communication and bus diagnostics even when the main drive power is switched off.
Diagnostics and Status Indication
Operational status and bus faults on the EMF2111IB are indicated by two front-panel LEDs labeled CAN-RUN (green) and CAN-ERR (red). The CAN-RUN LED indicates initialization, pre-operational state, and normal operational mode, while the CAN-ERR LED signals bus warning limits, error-passive states, or a complete bus-off condition. Additional diagnostic information can be retrieved via drive code table parameters C0361 and C0363 using Lenze GDC software or through the drive keypad fault memory.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| CAN-RUN | Green - Off / Blinking / Solid | Off = Module unpowered or initializing; Blinking = Pre-Operational state; Solid = Operational state / Normal operation |
| CAN-ERR | Red - Off / Blinking / Solid | Off = Normal operation / No error; Blinking = CAN warning limit reached / Error passive state; Solid = Bus-Off state / Hardware connection failure |
Replacement and Spare Part Considerations
When swapping a damaged Lenze EMF2111IB (00409551) module, verify that the replacement unit carries the identical part number. Prior to installing the replacement into the drive, set the hardware DIP switches for Node ID and baud rate to match the exact switch positions of the removed unit.
Installation requires isolating all power to the host drive, inserting the module firmly into the 20-pole slot, and reattaching the 5-pole fieldbus pluggable terminal block along with the optional 24 V DC auxiliary feed. If the drive reports fault code ECE upon restart, power down and re-seat the module. If contact cleaning and re-seating do not resolve the error, an internal hardware failure has occurred requiring full module replacement.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| CE0 | System Bus (CAN) Communication Error / Bus Off | CAN communication is in Bus Off state due to physical layer faults or node conflicts. | Incorrect bus wiring, missing or incorrect 120 Ohm termination resistors, duplicate CAN node address, incorrect baud rate setting, defective cable. | Check CAN bus wiring and shielding; verify 120 Ohm termination at both bus ends; verify DIP switch settings for Node ID and baud rate. |
| CE1 | CAN Communication Time-out | Process data monitoring time (watchdog) on System Bus (CAN) exceeded. | Master or transmitting node stopped sending process data, bus overload, intermittent connection fault. | Check transmitting master/peer device; inspect bus cable connections; verify watchdog timeout parameter settings. |
| CE2 | CAN Receive/Transmit Buffer Overflow | CAN receive or transmit buffer overflowed due to high message rate. | Excessive bus traffic, incorrect cycle times for cyclic process data objects. | Increase transmission cycle times; reduce unnecessary CAN traffic; verify bus load. |
| CE3 | CAN Frame/Bus Error | Invalid CAN frame or corruption detected on System Bus. | Electromagnetic interference, damaged cable shielding, missing ground reference. | Ensure proper EMC compliant shielding and grounding; routing of CAN cables away from high-voltage motor lines. |
| ECE | Function Module Communication Error | Basic drive unit lost internal communication with the installed function module. | Function module loose in slot, internal contact problem, internal hardware failure on EMF2111IB module. | Disconnect power, re-seat EMF2111IB module into slot securely. If error persists, internal hardware fault is present — replace EMF2111IB module. |
Frequently Asked Questions
How are the node address and baud rate set on the Lenze EMF2111IB module?
Node ID and baud rate can be configured via onboard hardware DIP switches on the module faceplate, supporting transmission speeds from 10 kbps to 500 kbps. Alternatively, settings can be configured using parameters C0361 and C0363 in Lenze GDC or L-force Engineer software.
Which drive series accept the EMF2111IB communication module?
The EMF2111IB module (part number 00409551) is compatible with Lenze 8200 vector series frequency inverters as well as Lenze 9300 series servo and frequency inverters.
What does a solid red CAN-ERR LED indicate?
A solid red CAN-ERR LED indicates a Bus-Off state or a physical hardware connection failure on the CAN network.
What causes fault code ECE on the host drive?
Fault code ECE indicates that the drive controller lost internal communication with the installed EMF2111IB function module, typically due to a loose connection in the 20-pole slot or an internal hardware failure.
Why is an optional 24 V DC auxiliary supply connected to the terminal block?
Connecting an external 24 V DC supply keeps the CAN communication circuitry active, ensuring network node availability and fieldbus monitoring even when the host drive main supply is unpowered.
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