Table of Contents
Related Manuals for Leroy-Somer PX-MODBUS
Summary of Contents for Leroy-Somer PX-MODBUS
- Page 1 4071 en - 03.2007 / a slave n Command (03) No. of bytes Word number 1 hexadecimal byte Word number 2 n word hexadecimal bytes CRC 16 PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 Installation...
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Page 2: Powerdrive, Proxidrive, Varmeca
Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 NOTE LEROY-SOMER reserves the right to modify the characteristics of its products at any time in order to incorporate the latest technological developments. The information contained in this document may therefore be changed without notice. -
Page 3: Powerdrive, Proxidrive, Varmeca
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 SAFETY AND OPERATING INSTRUCTIONS FOR VARIABLE SPEED DRIVES (in accordance with the low voltage directive 73/23/EEC modified by 93/68/EEC) • Throughout the manual, this... - Page 4 LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 4 - Installation 6 - Operation The installation and cooling of equipment Installations in which variable speed drives must comply with the specifications in the are integrated must be fitted with additional manual supplied with the product.
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Page 5: Table Of Contents
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 CONTENTS 1 - GENERAL INFORMATION ................7 1.1 - General information ..................7 1.2 - Dimensions ...................... 7 2 - INSTALLATION ....................8 2.1 - Mounting position on POWERDRIVE drive ............. 8 2.2 - Mounting position on PROXIDRIVE drive ............ - Page 6 LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 Notes...
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Page 7: General Information
PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 1 - GENERAL INFORMATION 1.1 - General PX-Modbus is a Modbus RTU option designed for Powerdrive, Proxidrive and Varmeca 33/34 drives. As standard, these drives incorporate a Modbus RTU serial link port, type RS485 2-wire, non-isolated, accessible via the RJ45 connector. -
Page 8: Installation
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 2 - INSTALLATION • Always switch off the drive before connecting/disconnecting the option to/from the drive. Check that the D.C. bus has fully discharged (this takes over a minute on Powerdrives). -
Page 9: Electrical Connections
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 3 - ELECTRICAL CONNECTIONS 1 2 3 4 5 9-pin female SUB-D 5-pin screw terminal block Description Description 0V "com" 0V "com" not connected... -
Page 10: Setting The Communication Parameters
From version v2.20 of Powerdrive and Used to select the data transfer speed in version v3.00 of Proxidrive and Varmeca Modbus RTU. 33/34, the PX-Modbus card parameters 15.04 Speed (Bauds) are set from menu 15. Note: Modbus configuration of the RJ45 is still in menu 11. - Page 11 LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 15.06 : Minimum comms transmit delay Adjustment range : 0 to 250 ms Factory setting : 10 ms The adjustment step is 2 ms.
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Page 12: Modbus Rtu Operation
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 5 - MODBUS RTU OPERATION 5.2 - Description of exchanges 5.1 - General Exchanges are initiated by the master, which sends its request: if the slave... -
Page 13: Parameter Assignment
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 5.3 - Parameter assignment 5.5 - Control word and status word POWERDRIVE, PROXIDRIVE and Drive control commands can be managed using a single parameter 6.42, called the VARMECA 33/34 drives are configured "control word". -
Page 14: Function Codes
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 10.40: Status word • Function code 3: Read multiple Reading of a contiguous register or word Bits of Corresponding area. The slave sets an upper limit on the... - Page 15 LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 • Function code 6: Write single register • Function code 16: Write multiple or word Writing of a contiguous register or word Writing of a value to a single 16-bit register area.
- Page 16 LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 Frame returned by the slave: Frame sent by the Master: Bytes Description Bytes Description Slave address (1 to 247) Slave address (1 to 247)
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Page 17: Example
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 5.7 - Example Drive address = 1 (Default address). Reading of 3 drive parameters from 1.05. 1.05 becomes 1.04 which is equal to 68 in hexadecimal (Modbus address = parameter address - 1). -
Page 18: Crc
LEROY-SOMER INSTALLATION 4071 en - 03.2007 / a PX-MODBUS Communication module for POWERDRIVE, PROXIDRIVE, VARMECA 33/34 5.10 - CRC This control word is used to detect transmission errors. It is calculated in 16 bits from all the bytes of the question and response frames. - Page 20 MOTEURS LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE 338 567 258 RCS ANGOULÊME Limited company with capital of 62,779,000 € www.leroy-somer.com...