Lenze EMF2133IB 2133IB PROFIBUS Communication Module
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Product Information
The Lenze EMF2133IB, also designated as the 2133IB PROFIBUS Communication Module, is an internal fieldbus interface within the Lenze 2100 Series Fieldbus Modules range. Engineered specifically as a PROFIBUS-DP slave, this unit inserts directly into the internal Function Module slot (FIF) of Lenze 8200 vector frequency inverters and Lenze 9300 series servo and frequency inverters. Powered internally at 5 V DC from the host drive, the unit establishes fieldbus connectivity without requiring external power supply wiring. It features a galvanically isolated 9-pin Sub-D female RS-485 interface to connect host drive electronics safely to industrial control networks.
Integrating a replacement EMF2133IB module into an existing automation line requires alignment between network hardware and host drive settings. The module supports PROFIBUS-DP communication at baud rates ranging from 9.6 kbit/s up to 12 Mbit/s with automatic baud rate detection, accommodating network node addressing from 1 to 125 via physical onboard DIP switches or drive parameters. Commissioning a replacement spare involves matching the node address DIP switches to the original unit's settings and verifying that the DP master software, such as Siemens STEP 7 or TIA Portal, utilizes the LENZ2133.GSD configuration file. Engineering software tools including Lenze Global Drive Control (GDC) permit rapid parameter verification, while ABC Industrial Parts can support maintenance teams needing tested replacement modules to minimize machine downtime.
Diagnostic information is provided directly on the module's front face as well as through host drive parameters C1380 to C1389. Front panel LED indicators signal module status: a solid green BUS STAT LED indicates active data exchange, a flashing green BUS STAT LED signifies initialization awaiting parameterization, a red BUS ERR LED indicates bus communication errors or invalid station addressing, and an unlit PWR / STAT LED indicates a loss of power or internal hardware error. Common system fault codes include CE0 for communication failure between the host drive and FIF slot, CE1 for process data error or bus off condition, CE2 for parameter frame mismatches, and CE3 for watchdog timeouts. Initial troubleshooting should confirm proper seating in the FIF slot, correct bus cable termination, and matching DIP switch configurations. Internal hardware failures on the module are not field-serviceable, making unit replacement or exchange through ABC Industrial Parts the recommended path back to full production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EMF2133IB |
| Model / Type | 2133IB PROFIBUS Communication Module |
| Component Type | Fieldbus Communication Module |
| Product Family | 2100 Series Fieldbus Modules |
| Supply Voltage | 5 V DC |
| Communication Protocol | PROFIBUS-DP (DP-V0 / DP-V1) |
| Baud Rate Range | 9.6 kbit/s to 12 Mbit/s (Automatic Baud Rate Detection) |
| Station Address Range | 1 - 125 |
| Fieldbus Interface Connector | 9-pin Sub-D female (RS-485, Galvanically Isolated) |
| Host Interface | Lenze Function Module Slot (FIF) |
| Compatible Drives | Lenze 8200 vector, Lenze 9300 series |
Programming and Configuration
Integrating the Lenze EMF2133IB into a PROFIBUS network requires configuration using the dedicated LENZ2133.GSD device description file within the higher-level PLC engineering tool, such as Siemens STEP 7 or TIA Portal. The GSD file defines the module's DP slave properties, process data structure, and configurable parameter ranges for cyclic and acyclic communication.
On the host drive side, parameterization and diagnostics can be conducted using Lenze Global Drive Control (GDC) software. Drive parameters C1380 through C1389 govern communication behavior, parameter monitoring, and diagnostic readings. Node addressing can be defined through the hardware DIP switches located directly on the module or assigned digitally via drive software parameters, offering flexible setup during initial commissioning or field replacement.
Communication and System Integration
The EMF2133IB operates as a PROFIBUS-DP fieldbus slave supporting both DP-V0 and DP-V1 protocol standards. Communication speeds span from 9.6 kbit/s up to 12 Mbit/s, with automatic baud rate detection allowing seamless adaptation to the active network clock rate without manual jumper or parameter adjustments.
Physical connection to the PROFIBUS line is established via a standard 9-pin Sub-D female connector using RS-485 signal transmission. The interface incorporates full galvanic isolation, protecting the host drive's control board from ground potential shifts and high-frequency electrical noise. Station addresses from 1 to 125 are supported across the fieldbus network segment.
Diagnostics and Status Indication
Visual diagnostic indicators on the front face of the EMF2133IB give instant feedback regarding bus activity and module state. Operational parameters C1380 to C1389 on the host drive, accessible via Lenze Global Drive Control (GDC) or an attached drive keypad, provide detailed communication statistics and real-time status registers for network analysis.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| BUS STAT | Green - Solid | PROFIBUS data exchange with master is active |
| BUS STAT | Green - Flashing | Module initialised, waiting for parameterisation or configuration from PROFIBUS master |
| BUS ERR | Red - Solid or Flashing | Fieldbus communication error, baud rate search failure, or invalid station address |
| PWR / STAT | Off - Off | Module not powered or internal hardware error present |
Replacement and Spare Part Considerations
When swapping a faulty EMF2133IB communication module, ensure the host Lenze 8200 vector or 9300 inverter is completely powered down before removing or inserting the unit into the Function Module slot (FIF). The module is held mechanically in place within the slot; proper seating must be verified to prevent CE0 interface faults upon power-up.
Before installing the replacement unit, copy the hardware DIP switch address settings from the original module to ensure the replacement assumes the correct node address on the PROFIBUS network. If the address was set via drive software parameters, confirm parameter C1380 on the host drive matches the expected station ID. Ensure the PLC master configuration references the LENZ2133.GSD file for consistent process data mapping.
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 to function module | Communication failure between Lenze host drive controller and the EMF2133IB function module in the FIF slot. | Module improperly seated in drive slot, hardware failure on communication module, or drive internal power interruption. | Check mechanical seating of EMF2133IB module, cycle power to host drive. If fault persists, replace EMF2133IB module. |
| CE1 | PROFIBUS process data error / Bus OFF | PROFIBUS-DP communication interrupted or cyclic data exchange timed out. | Broken fieldbus cable, disconnected bus connector, incorrect PLC master status, incorrect station address, bus termination missing or improper. | Check cable connection, verify RS-485 bus termination resistors at both cable ends, check PLC master operating mode, verify DIP switch address. |
| CE2 | PROFIBUS parameter fault | Invalid configuration or parameter frame received from PROFIBUS DP Master. | GSD file mismatch in PLC configuration, wrong slot/module configuration in DP master project. | Verify GSD file selection in PLC project, re-download DP master configuration. |
| CE3 | PROFIBUS watchdog timeout | Master response monitoring timer expired. | PLC stopped, bus cycle overload, noisy bus line causing telegram rejection. | Check PLC operating state (RUN/STOP), inspect bus cable shielding and grounding. |
Frequently Asked Questions
Which Lenze drive series are compatible with the EMF2133IB module?
The EMF2133IB module is designed to slide directly into the Function Module slot (FIF) of Lenze 8200 vector frequency inverters and Lenze 9300 series servo and frequency inverters.
What GSD file is required to configure the EMF2133IB in Siemens STEP 7 or TIA Portal?
Network integration and DP master configuration require the LENZ2133.GSD file.
How is the PROFIBUS station address set on the EMF2133IB module?
Station addresses from 1 to 125 can be configured using the physical onboard DIP switches on the module or through software parameters on the host drive.
What does fault code CE0 indicate on a Lenze drive equipped with an EMF2133IB?
Fault code CE0 signals a communication failure between the host drive controller and the EMF2133IB module in the FIF slot, often caused by improper mechanical seating or an internal hardware fault.
What communication speeds does the EMF2133IB support?
The module supports baud rates from 9.6 kbit/s up to 12 Mbit/s with automatic baud rate detection.
What does a red BUS ERR LED on the front panel mean?
A solid or flashing red BUS ERR LED indicates a fieldbus communication error, baud rate search failure, or an invalid station address setting.
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