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Schneider Electric
Altivar 212 manual
1
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65
65
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65 pages, 1.12 Mb
www.schneider-electric.com
Altivar 212
Variable speed drives for asynchronous motors
Modbus communication manual
01/2011
S1A53844
Contents
Main
Page
Table of Contents
Page
Safety Information
Important Information
About the Book
At a Glance
Page
Page
Introduction
Page
Hardware setup
Pin out of the Open Style Modbus connector
Connection via Open Style wiring system
Open Style Reference
8........................1
Pin out of the RJ45 Modbus connector
Connection via RJ45 wiring system
Connecting cables
RJ45 Reference
Connection accessories
Protection Against Interference
Description of terminals
Page
Page
Configuration
Configuration of the communication parameters
Configuration of the control source
Modbus
Modbus
Modbus
Page
LOC REM
Modbus commands
Modbus setpoint
Page
Complete control diagram
Terminals
Setpoint F207
Operation panel
Logic input R [LI R selection] F112 set to 38 [Frequency source] or F200 [Auto/man speed ref]
Configuration of the indirect blocks
Configuration of the communication interruption
Page
Page
Modbus services
Principle of the Modbus protocol
RTU mode
Modbus functions available
Read one word (03)
Read indirect block (3)
Page
Write Single Register (6)
Write multiple registers (16)
Write indirect block (16)
Page
Read Device Identification (43/14)
Function 43/14 = 16#2B/0E Request:
Response:
Error response:
Refer to "Error response", page41.
Error response
Function code: request code + H80. Exception code:
Slave no.
Function code Exception code CRC16 Lo Hi 1 byte 1 byte 1 byte 2 bytes
Page
Parameter list
Referring to the Altivar 212 programming manual
List of control parameters
Outputs control from serial communication
Setpoints from serial communication
List of monitoring parameters
Page
Commands
Page
Setpoints
Status
Page
Trip and alarm codes
Alarm code (FC91)
Alarm of run time (FE79)
Page
Monitoring and control of I/O from communication
Page
Page
Identification
drive model code (F805)
Page
Page
Page
RS485 standard
Modbus 2-wire standard schematic
Page
Migration ATV21 - ATV212