Lenze E84AYCERV/S PROFINET Communication Module
A PROFINET RT communication module for integrating Lenze 8400 drives into an industrial Ethernet network.
Product Profile
E84AYCERV/S is the Lenze PROFINET communication module for compatible 8400 inverter drives. It operates as a PROFINET device and provides cyclic process-data exchange with the controller.
Replacement requires the device name, IP configuration, process-data mapping and matching drive firmware to be preserved.
Technical Data
| Manufacturer | Lenze |
|---|---|
| Complete Model | E84AYCERV/S |
| Product Family | 8400 communication modules |
| Network | PROFINET RT |
| Conformance Class | Class B |
| Device Role | PROFINET slave / device |
| Data Rate | 100 Mbit/s |
| Physical Medium | CAT5e S/FTP Ethernet |
| Topology | Line topology supported |
| Logical Process-Data Channels | 1 |
| Process Data | 1 to 16 words of 16-bit process data |
| Maximum Cable Length Between Nodes | 100 m |
System Role
- Connects a compatible 8400 drive to a PROFINET RT controller.
- Two-port line topology simplifies daisy-chain cabinet networking.
- Cyclic process data supports command, setpoint, status and actual-value exchange.
- Diagnostic information helps separate network, controller and drive faults.
Compatibility
- Confirm the host 8400 drive series and supported communication slot.
- Use the correct GSDML file and controller engineering version.
- Match process-data word count and byte order to the existing PLC program.
Applications
- PROFINET integration of Lenze 8400 drives in automated machinery.
- Replacement of a documented communication module with preserved network identity.
- Drive-network modernization where controller configuration and process data remain controlled.
FAQ
Can E84AYCERV/S be installed in any Lenze drive?
No. Confirm the compatible 8400 host, communication slot and firmware before installation.
What network data must be saved before replacing E84AYCERV/S?
Record the PROFINET device name, IP settings, topology, GSDML version and process-data mapping.
Does E84AYCERV/S operate as a PROFINET controller?
No. It is a PROFINET device that exchanges data with the upstream controller.
How much process data can E84AYCERV/S exchange?
The documented module supports one logical channel with 1 to 16 words of 16-bit process data.
Why can a correct E84AYCERV/S still fail to communicate after replacement?
An unmatched device name, controller configuration, topology, firmware or process-data mapping can prevent data exchange.
What acceptance test should follow E84AYCERV/S installation?
Check link and device diagnostics, controller connection, command and status words, setpoints, actual values and machine interlocks.
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