Lenze 13126785 EMF2113IB PROFIBUS-DP Communication Module
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Product Information
The Lenze 13126785 (model EMF2113IB) is a PROFIBUS-DP fieldbus communication module from the Global Drive Accessories family, designed to connect Lenze 8200 vector frequency inverters and Lenze 9300 series servo inverters to high-level fieldbus control networks. Plugging directly into the designated option slot of compatible drive controllers, this module functions as a PROFIBUS-DP slave over a standard 9-pin Sub-D female RS-485 interface. It supports automatic transmission speed detection spanning from 9.6 kbit/s up to 12 Mbit/s, while offering an optional external 24 V DC auxiliary power connection to preserve fieldbus node activity when main drive power is interrupted.
Network integration and initial replacement commissioning are straightforward, relying on onboard physical DIP switches to configure node station addresses from 1 to 126 without software prerequisites. Non-volatile onboard EEPROM storage holds essential module configuration parameters. Cyclic process data exchange for torque, speed, and operational status, alongside dedicated parameter data channels under DP-V0 rules, can be managed using Lenze Global Drive Control (GDC) software or the L-force Engineer software suite for seamless connection to Siemens S7 PLCs or PC-based controllers. When bringing a spare unit into service, aligning hardware DIP switch settings with the original unit ensures smooth master recognition, and ABC Industrial Parts can assist maintenance teams with fully tested replacement components to reduce downtime.
Operational health and fieldbus integrity are monitored through dual front-panel LED indicators alongside software-based diagnostic messages and PLC diagnostic telegrams. The green STAT / OK LED displays operational status and active cyclic communication, while the red BUS ERR LED alerts technicians to fieldbus line interruptions, invalid node addressing, or missing master communication. Drive TRIP messages CE0 through CE3 isolate process data timeouts, parameter transfer issues, hardware connection faults, or Bus-Off conditions. If re-seating the module does not clear an internal hardware error like CE2, a replacement unit from ABC Industrial Parts offers a dependable path to restore machine operation.
Technical Specifications
| Manufacturer | Lenze |
| Part number | 13126785 |
| Model/type | EMF2113IB |
| Component type | Communication Module |
| Product family | Global Drive Accessories |
| Communication protocol | PROFIBUS-DP (DP-V0) |
| Interface connector | 9-pin Sub-D Female (RS-485) |
| Node address range | 1 - 126 |
| Address configuration | Hardware DIP Switch |
| Baud rate range | 9.6 kbit/s - 12 Mbit/s (Automatic) |
| Auxiliary supply voltage | 24 V DC |
| Configuration storage | EEPROM |
Programming and Configuration
Hardware station addressing for the Lenze 13126785 EMF2113IB communication module is established directly via onboard DIP switches. This physical configuration method allows field engineers to set node addresses from 1 to 126 prior to installation, enabling immediate recognition by the PROFIBUS master controller upon power-up.
Parameter setting and drive configuration are supported through Lenze Global Drive Control (GDC) software and the L-force Engineer software suite. Non-volatile EEPROM memory within the module stores fieldbus parameters, while automatic baud rate detection adjusts transmission speed dynamically up to 12 Mbit/s without manual software tuning.
Communication and System Integration
Equipped with a standard 9-pin Sub-D female RS-485 connector, the EMF2113IB integrates Lenze drives into PROFIBUS-DP (DP-V0) network architectures. It enables higher-level automation systems, such as Siemens S7 PLCs, to manage real-time cyclic process data transfer for drive speed and status alongside non-cyclic parameter access.
To maintain continuous fieldbus communication during safety shut-offs or main inverter power outages, the module features an optional 24 V DC auxiliary power supply terminal. When powered externally, the fieldbus node remains active, preventing bus interruption alarms on the central master PLC.
Diagnostics and Status Indication
Diagnostic monitoring for the Lenze 13126785 module combines front-panel visual LED indicators with detailed drive TRIP messages and PLC PROFIBUS diagnostic telegrams. Software tools like Global Drive Control (GDC) can be used to read real-time operational status and evaluate line fault codes.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| STAT / OK | Green - Solid/Active | Module operational status and active PROFIBUS cyclic communication. |
| BUS ERR | Red - Solid/Flashing | Fieldbus error, no master communication, line interruption, or invalid station address. |
Replacement and Spare Part Considerations
Before replacing an existing module with a spare Lenze 13126785 EMF2113IB unit, turn off all power to the frequency inverter or servo drive. Match the physical DIP switch positions on the replacement module to the station address used by the original unit (range 1 to 126) to ensure instant network recognition.
Because the module features automatic baud rate detection from 9.6 kbit/s up to 12 Mbit/s, manual bus speed matching is unnecessary. If the previous installation used an external 24 V DC auxiliary supply to preserve bus communication during drive power outages, reconnect the auxiliary supply lines to the spare unit during installation.
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 (Process Data Timeout) | Cyclic communication interrupted or time-out elapsed on process data channel. | Fieldbus cable broken, PROFIBUS master in STOP mode, incorrect baud rate, incorrect station address, or line termination issue. | Inspect cabling and sub-D connectors, verify PROFIBUS master operation, check DIP switch station address and terminating resistors. |
| CE1 | Communication Error 1 (Parameter Data Timeout) | Time-out during parameter access over PROFIBUS network. | Interrupted parameter transfer or master response timeout. | Verify master PLC parameter task timing and bus configuration. |
| CE2 | Communication Error 2 (Module Hardware Fault) | Communication module error or communication between module and drive failed. | Module incorrectly seated in slot, damaged edge connector, or internal module hardware failure. | Power down drive, re-seat the EMF2113IB module. If error persists, replace the EMF2113IB module (internal hardware fault). |
| CE3 | Communication Error 3 (Bus Off) | PROFIBUS controller hardware entered Bus-Off condition due to high error rate on line. | EMC interference, missing or double line termination, loose shield grounding, duplicate bus address. | Check line termination switches, verify shield connection, re-route fieldbus cable away from power lines. |
Frequently Asked Questions
How is the PROFIBUS station address configured on the Lenze 13126785 EMF2113IB?
The station address is set physically using hardware DIP switches located directly on the module, allowing node assignment between 1 and 126 without requiring software tools.
Which Lenze drives are compatible with the EMF2113IB communication module?
The module is compatible with Lenze 8200 vector series frequency inverters and Lenze 9300 series servo inverters.
Do I need to adjust software settings for the fieldbus baud rate?
No, the EMF2113IB features automatic baud rate detection that adapts dynamically to master network speeds between 9.6 kbit/s and 12 Mbit/s.
What causes a CE2 trip message on a drive fitted with the EMF2113IB module?
A CE2 fault indicates a hardware communication error between the drive and module. It is typically caused by improper seating in the module slot, connector edge damage, or internal module hardware failure.
What is the purpose of the 24 V DC auxiliary supply terminal?
The optional 24 V DC auxiliary supply powers the module independently of the main drive inverter, ensuring fieldbus node communication remains active even if main drive power is switched off.
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