Lenze E94P PositionServo Modbus User Manual

Modbus RTU & Modbus TCP/IP CommunicationCommunications Interface Reference Guide

10P94MOD01C Installation3.2 Connectors3.2.1 EIA-485 ModuleTable 2 and Figure 3 illustrate the pinout of the PositionServo EIA-485 (RS485) Option Modu

11 P94MOD01CInstallation3.3 Electrical Installation3.3.1 Cable TypesDue to the high data rates used on Modbus networks it is paramount that correctl

12P94MOD01C Installation• Maximum cable length for UTP/STP CAT5e cable is typically 100m. For other categories consult the cable data sheet.• Use fib

13 P94MOD01CInstallation3.3.5 Connections and Shielding: EthernetThe use of pre-fabricated cables is recommended as this reduces the chances of conne

14P94MOD01C Installation3.3.8 Network Schematic: EIA-485Figure 7 illustrates the connection of the cables for a PositionServo drive in a Modbus maste

15 P94MOD01CCommissioning4 Commissioning4.1 OverviewIt is assumed that the user has familiarised themselves with how to set parameters using MotionVie

16P94MOD01C CommissioningFigure 10: Example Modbus Register Assignment6. Repeat steps 3 to 5 for each required slave/server nodeFigure 11: Example Mo

17 P94MOD01CCommissioning4.3 Configuring the PositionServo Slave/Server4.3.1 ConnectingWith the drive power disconnected, install the EIA-485 (RS485)

18P94MOD01C Commissioning4.3.3 Modbus RTU Slave Node SettingsIf using the EIA-485 (RS485) module, open MotionView and click on the [Communication] fo

19 P94MOD01CCommissioningFigure 15: Modbus RTU Folder4.3.4 Modbus TCP/IP Server Node SettingsThe IP address of the PositionServo drive is composed of

2P94MOD01C Copyright ©2005 by Lenze AC Tech Corporation.All rights reserved. No part of this manual may be reproduced or transmitted in any form witho

20P94MOD01C Commissioning4.3.4.2 Configuring the IP Address Manually (Static Address)When connecting directly from PositionServo drive to the PC witho

21 P94MOD01CCommissioningTo disable DHCP, click the box again. Power must be cycled for any changes to [Configure IP Address] to take effect. On changi

22P94MOD01C Commissioning4.4 Drive MonitoringThe master/client can read the drive parameters as long as Modbus communications are enabled.NOTE:The co

23 P94MOD01CCommissioning4.8 Ethernet ParametersDrive variables #67-70 are Ethernet communication programming parameters specifically for configuration

24P94MOD01C Protocol Implementation5 Modbus Implementation5.1 Supported Function CodesThe Modbus function codes supported by the PositionServo drive

25 P94MOD01CProtocol ImplementationTo access the <variable index> as EPM-float, use the following formula to calculate this register address (max

26P94MOD01C Protocol Implementation5.4 Endian FormatModbus uses “big-endian” representation of the register data. This means that when a numerical va

27 P94MOD01CProtocol Implementation5.7 Exception ResponsesIf an invalid message is received, the drive will respond with a Modbus Exception as per th

28P94MOD01C Protocol ImplementationIf no error occurs related to the Modbus function requested in a properly received Modbus ADU, the data field of a r

29 P94MOD01CReference6 Reference6.1 PID List with Modbus ValuesThis is a condensed PID List to show the corresponding Modbus 4X Registers for PIDs 1-

3 P94MOD01CContents1 Safety Information ...

30P94MOD01C ReferenceNOTE:In true Modbus, 3X and 4X Registers are numbered starting at 1. This is known as ‘one based’ addressing. However, when trans

31 P94MOD01CReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

32P94MOD01C ReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

33 P94MOD01CReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

34P94MOD01C ReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

35 P94MOD01CReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

36P94MOD01C ReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

37 P94MOD01CReferenceIndexNameTypeFormatEPMAccessDescription Range Unit RAMRegisters32bit Integer Access 4X Register #RAMRegister32bitFloat Access 4X

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4P94MOD01C Contents4.5 Controlling the Drive ... 22

5 P94MOD01CSafety Information1 Safety Information1.1 Warnings, Cautions & NotesGeneralSome parts of Lenze controllers (frequency inverters, serv

6P94MOD01C Safety InformationThe documentation contains information about installation in compliance with EMC (shielding, grounding, filters and cables

7 P94MOD01CIntroduction2 IntroductionThe following information is provided to explain how the PositionServo drive operates on a Modbus network; it is

8P94MOD01C Introduction2.3 Ethernet Port• Supported baudrates: 100Mbps and 10Mbps• Supports two simultaneous Modbus TCP/IP connections on port 502•

9 P94MOD01CInstallation3 InstallationSection 3.1 is only applicable to Modbus RTU communication with the EIA-485 (RS485) option module, E94ZARS41. Mod