Lenze AC Tech SMVector PROFIBUS-DP

Questions and Answers

A
Anita GrayAug 5, 2025
How to troubleshoot no communication from Lenze AC Tech SMVector PROFIBUS-DP option module?
- L
  ljonesAug 5, 2025
  If the Lenze AC Tech Control Unit option module has no communications, it may be due to several reasons. First, the module might not be initialized: verify the drive to module connection and check parameters P400 and P402. Second, PROFIBUS-DP settings might be incorrect: check P410 and P411; if unsure, reset PROFIBUS-DP parameters to factory default using P403. Third, improper wiring could be the cause: check the wiring between the PROFIBUS-DP network and communication module, ensure the terminal block is properly seated, and check the connection between the module and the drive.
J
Jimmy JohnsonAug 11, 2025
Why does Lenze AC Tech SMVector PROFIBUS-DP Control Unit drive stop for no obvious reason?
- B
  brooke66Aug 11, 2025
  If your Lenze AC Tech Control Unit drive stops for no obvious reason, it could be due to one of the PROFIBUS-DP monitoring messages timing out, with its time-out reaction set to STOP. To resolve this, identify the time-out message (P423...P429) and modify the appropriate time-out time or reaction to the time-out settings.
R
Russell MoranAug 16, 2025
What to do if PROFIBUS-DP write commands are ignored by Lenze AC Tech Control Unit?
- E
  Erik GrayAug 16, 2025
  If PROFIBUS-DP write commands are ignored or return exceptions on your Lenze AC Tech Control Unit, the “Network enabled” terminal is either open or not configured. To fix this, configure one of the input terminals (P121, P122 or P123) to the "Network Enabled" function (selection 9) and close the corresponding contact.
M
Michael SavageAug 22, 2025
Why Lenze AC Tech SMVector PROFIBUS-DP module does not enter Data Exchange State?
- J
  Jacob WilliamsAug 22, 2025
  If the Lenze AC Tech Control Unit module does not enter the Data Exchange State and P419 displays 2 or 3, this could be due to a data size configuration mismatch between the Master and the Drive. Check the configuration sizes for Dout and Din Data, referring to parameters P415 and P416.
A
awillisAug 29, 2025
How to make Lenze AC Tech SMVector PROFIBUS-DP drive change direction to REVERSE?
- R
  rebekah50Aug 29, 2025
  If the Lenze AC Tech Control Unit drive does not change direction to REVERSE, it is possible that parameter P112 is set to 0 (Forward Only). To enable both Forward & Reverse directions, set drive parameter P112 to 1.

Summary

About These Instructions

Safety Information

General Safety and Handling

Covers warnings, application, installation, electrical connection, and operation safety.

Introduction

Module Overview and Identification

Explains PROFIBUS-DP, module specs, and identification labels.

Installation

Mechanical Installation

Details the physical steps for mounting the PROFIBUS-DP module.

PROFIBUS-DP Terminal Block

Identifies terminals and functions of the PROFIBUS-DP connector.

Electrical Installation and Network Setup

Covers cable types, network limitations, connections, shielding, and termination.

Connections and Shielding

Provides guidelines for grounding network cables and ensuring good system noise immunity.

Network Termination

Explains the importance of termination resistors and how to activate the module's integrated termination.

Electrical Connection Safety

Details electrical connection requirements and national safety regulations.

Operation Safety Precautions

Discusses system monitoring, protection devices, and adapting the controller.

Commissioning

Commissioning Overview

Assumes user familiarity with drive parameters and provides an overview of the setup process.

Configuring the Network Master

Explains how to configure the PROFIBUS-DP master using GSD files and setup procedures.

Master Support Files

Details the use of GSD files for configuring network profiles and communications.

Master Setup Procedure

Provides a generic step-by-step guide for setting up a network master.

Configuring the SMV PROFIBUS-DP Module

Instructions for connecting the module, setting the network protocol, and applying power.

Module Connection and Protocol

Instructions for connecting the module, setting the network protocol, and applying power.

Node Address Configuration

Details setting the unique node address for each device on the network using P410.

Baud Rate and Data Mapping

Describes auto-detection of baud rate and mapping cyclic data channels for I/O.

Module Re-initialisation and Status

How to re-initialize the module and check its network status using P418 and P419.

Non-Module Parameter Settings

Discusses essential drive parameters that need configuration for network control.

Cyclic Data Access

Understanding Cyclic Data

Defines cyclic data transfer and associated terminology like OUT/IN data.

Mapping Cyclic Data

Explains how to map cyclic data channels for input and output between the master and module.

Data OUT (Dout) Channels

Explains parameter P440-P445 for mapping outgoing data from the master to the module.

Data IN (Din) Channels

Explains parameter P460-P465 for mapping incoming data from the module to the master.

Channel Data Size Configuration

Discusses setting IN/OUT data sizes in the master and module using P415 and P416.

Cyclic Data Overview and Control Word

Explains control words and the SMV Control Word for drive monitoring and control.

Network Frequency Setpoint Control

Explains how to control the drive's frequency setpoint using network data.

Lenze C135 Control Word

Details the Lenze C135 Control Word and its bit functions for drive control.

Network Speed Setpoint Control

How to control drive speed setpoint using unsigned or signed RPM values.

Network PID and Torque Setpoints

How to control the drive's PID and torque setpoints from the network.

Network Digital;Analog I;O Control

How to control digital output, relay, and analog output functions via the network.

SMV Status Word

Describes the SMV Status Word bits and their meaning for drive monitoring.

Actual Frequency Monitoring

Displays the actual drive frequency in Hz with 0.1Hz resolution.

Lenze C150 Status Word

Details the Lenze C150 Status Word bits and their meaning for drive status.

Actual Speed in RPMs

Displays the actual drive speed in RPMs.

Auxiliary Status Word

Describes the Auxiliary Status Word bits for various drive conditions.

Drive RUN and Fault Status

Indicates the current run status and lists drive fault codes for diagnosing issues.

Digital I;O Status

Status of digital inputs and outputs, including relay and terminal status.

Analog Inputs and PID Status

Details analog input values and PID setpoint/feedback status.

Acyclic Parameter Access

What is Acyclic Data?

Defines acyclic data access as a method for parameter monitoring or non-scheduled access.

Setting the Acyclic Mode

How to select the acyclic access mode (Disabled, 4WPA-F, 4WPA-E) using P431.

Acyclic Mode 1 and 2 Configuration

Details configuration for 4-word parameter access at the front or end of cyclic data.

4 WPA Format Overview

Explains the 4WPA format for acyclic parameter access using 4 words of cyclic data.

4 WPA Function Code

Describes the function code byte used for control and status in acyclic data.

4 WPA Access Control and Status

Explains the access control and status byte for transfer control and diagnostics.

4 WPA Parameter Number

Details how to specify the drive parameter number for read/write operations.

4 WPA Sub-Index

Explains how sub-index is used for 32-bit parameters to select specific words.

4 WPA Data Word and Reserved Bytes

Contains the data for access and reserved bytes in the 4WPA format.

Advanced Features

Module Advanced Parameters

Details parameters for module revision, status, and resetting defaults.

Module Revision, Status, and Defaults

Details parameters for module revision, status, and resetting defaults.

Module Time-out, Firmware, and Code

Covers parameters for module timeouts, firmware, and internal code revisions.

Missed Messages Tracking

Tracks the quantity of missed data messages between the module and drive.

Network Fault Diagnosis

Displays the cause of network faults, such as timeouts.

Master Monitor Functions

Monitors communication status and time-outs between the network master and the module.

Master Monitoring Time-out and Action

Monitors communication time-outs and defines actions upon master monitoring timeouts.

Data Exchange Management

Manages communication timing, timeouts, and counts for data exchange.

Node Address Lock Security

Prevents accidental changes to the node address by the network master.

Sync and Freeze Commands Overview

Allows suspending and updating cyclic data using SYNC and FREEZE commands.

Sync and Freeze Status

Displays the status of SYNC and FREEZE commands.

Data Size Information

Shows the amount of data (in bytes) for Dout and Din channels, including 4WPA.

Dout and Din Data Size (Bytes)

Shows the amount of data (in bytes) for Dout and Din channels, including 4WPA.

Debug Data Viewer

Parameters for viewing raw data passed between the network master and module.

Dout Data Monitor Select

Selects which Dout word will be monitored.

Dout and Din Data Monitor Values

Displays the actual data values of the selected Dout and Din words.

Diagnostics

Module Faults and Remedies

Lists additional fault codes generated by the option module and their remedies.

Troubleshooting Common Issues

Offers solutions to common symptoms and potential causes for module issues.

Parameter Quick Reference