Lenze MCH Series Drives Modbus Communications Manuel d'utilisateur Page 1

MCH Series Drives Modbus Communications Reference Guide

RG-MHMOD 6Drive Setup & Operation4 MCH Drive Setup & Operation4.1 Serial AddressAll AC Tech drives have a Serial Address Parameter that must

7 RG-MHMODDrive Setup & Operation• Setting the control parameter to “NORMAL” or “NORM NO HAND” gives the user read/write access to the Program

RG-MHMOD 8Drive Setup & Operation4.5 Unlocking & Locking Programming Parameters onlyRegisters #49 and #1 are used in Unlocking and Locking Pr

9 RG-MHMODDrive Setup & Operation − A Watchdog failure can be recognized by reading the drive status (AC Tech Registers #24 – 29) and looking at

RG-MHMOD 10Drive Control & Communication4.9 Start/Stop, Speed Control and Parameter Change OperationThe typical sequence for a Start/Stop, Speed

11 RG-MHMODDrive Control & Communication5 MCH Drive Control RegistersTable 6 describes the MCH Drive Control Registers in ascending order of AC

RG-MHMOD 12Drive Control & CommunicationACT# (HEX representation)REGISTER NAMER/W/RSMESSAGE MIN MAX UNITS[NOTE]orSection40 (28) Keypad Speed Comma

13 RG-MHMODDrive Control & Communication5.2 Drive Control - Register #1Table 8 illustrates the Data format of Register #1, Drive Control.Table 8

RG-MHMOD 14Drive Control & Communication5.3 Drive Size - Register #21Table 9 lists the MCH Series drives. Register 21 will contain the value in t

15 RG-MHMODDrive Control & CommunicationNOTE 3a - Command Speed (Register #24 Bytes D1H and D1L or Register #25)• In hundredths of a Hz• Most s

This documentation applies to the use of an MCH Series Variable Frequency Drive in a Modbus Network and should be used in conjunction with the MCH Ser

RG-MHMOD 16Drive Control & Communication5.4.3 Control Mode - Registers #24 & 27Table 13 lists the Control Mode (Register #24 byte D4L or Regi

17 RG-MHMODDrive Control & Communication5.4.6 Present Fault - Registers #24 & 29Table 16 lists the Present Fault (Register #24 byte D6H or R

RG-MHMOD 18Drive Control & Communication5.6 Kilowatt Hours - Registers #32 & 33Kilowatt hours are listed as a 32-bit value.Register #32 - Kil

19 RG-MHMODDrive Control & Communication5.11 Unlock Commands - Register #48Register #48 (Unlock Commands) unlocks commands by using 0000 for the

RG-MHMOD 20Drive Control & Communication6 MCH Programming Parameters6.1 FormatNOTE - AttentionParameter list presented in Section 6.2 is valid on

21 RG-MHMODDrive Control & Communication6.2 Parameter ListAC TechRegisterNumber(hexadecimalrepresentation)Parameter 1Parameter Name Range of Adj

RG-MHMOD 22Drive Control & CommunicationAC TechRegisterNumber(hexadecimalrepresentation)Parameter 1Parameter Name Range of AdjustmentModbus value

23 RG-MHMODDrive Control & CommunicationAC TechRegisterNumber(hexadecimalrepresentation)Parameter 1Parameter Name Range of AdjustmentModbus value

RG-MHMOD 24Drive Control & CommunicationAC TechRegisterNumber(hexadecimalrepresentation)Parameter 1Parameter Name Range of AdjustmentModbus value

25 RG-MHMODDrive Control & CommunicationNOTE 4 - Acceleration LimitsAcceleration LimitsHP Adjustment Range0.25 - 20 1 - 36000 (0.1 - 3600 sec)25

i RG-MHMODContents1 Safety Information ...

RG-MHMOD 26Drive Control & Communication7 Quick Start InstructionsFollow these Quick Start instructions to use ModBus Communications for basic ne

27 RG-MHMODDrive Control & CommunicationUnlocking the Drive:1. The first write necessary to the drive to perform any function (start,change speed

RG-MHMOD 28Drive Control & Communication7.4 Basic Drive StatusAC Tech register 24 is a 6 word entity containing the drive’s status information. T

Lenze AC Tech Corporation630 Douglas Street • Uxbridge MA 01569 • USASales: 800-217-9100 •Service: 508-278-9100www.lenze-actech.comRG-MHMOD-e7

RG-MHMOD iiContents5 MCH Drive Control Registers ...115.1 A

1 RG-MHMODSafety Information1 Safety Information1.1 Warnings, Cautions and Notes1.1.1 GeneralSome parts of Lenze controllers (frequency inverters,

RG-MHMOD 2Safety Information1.1.4 Electrical ConnectionWhen working on live drive controllers, applicable national regulations for the prevention of

3 RG-MHMODIntroduction2 IntroductionThis document defines the specifics required for Modbus serial communication with a Lenze-AC Tech standard MCH Ser

RG-MHMOD 4Introduction16 Preset Multiple Registers (4X references). Although the function is for multiple registers, we will accept only a single reg

5 RG-MHMODData & Register Format3 Data Representation - Internal and External3.1 Register FormatAll registers are 16 bits. The data within the