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4-66
4-2 Function Mode
4
Func
tions
Setting
ModBus communication requires the following settings. Be sure to set the parameters as shown
below.
If the parameter settings are changed, the new settings are enabled at the point of change.
However, ModBus communication will not start until "485" is selected with the 485/OPE selector
and the Inverter is turned on again.
The parameters of C070s cannot be changed or set through ModBus communication. Set using the
attached Digital Operator.
Communication Procedure
• Follow the procedures below in regard to communication between the external control device and
the Inverter.
1: Frame to be sent from the external control device to the Inverter (Query)
2: Frame to be returned from the Inverter to the external control device (Response)
The Inverter returns a response (Frame (2)) only after receiving a query (Frame (1)) and does not
output a response positively.
Below is each frame format (command).
Message Configuration: Query
Parameter No.
Function name
Description
A001
Frequency reference selection
00 (VR), 01 (Terminal), 02 (Digital Operator), 03 (Modbus
communication)
A002
RUN command selection
01 (Terminal), 02 (Digital Operator), 03 (Modbus
communication)
C071
Communication speed selection
04 (4800 bps), 05 (9600 bps), 06 (19200 bps)
C072
Communication station No. selection 1 to 32
C074
Communication parity selection
00 (No parity), 01 (Even parity), 02 (Odd parity)
C075
Communication stop bit selection
1 (1 bit), 2 (2 bits)
C078
Communication wait time
0 to 1000 ms
Header (Silent interval)
Slave address
Function code
Data
Error check
Trailer (Silent interval)
External controller
Inverter
1
2
Time
Wait time (silent inC078)
Summary of Contents for SYSDRIVE 3G3MX-A2002
Page 1: ...Cat No I559 E1 01 USER S MANUAL SYSDRIVE MXSERIES Multi function Compact Inverter...
Page 17: ...Chapter 1 Overview 1 1 Functions 1 1 1 2 Appearance and Names of Parts 1 3...
Page 24: ......
Page 25: ...Chapter 2 Design 2 1 Installation 2 1 2 2 Removing and Mounting Each Part 2 5 2 3 Wiring 2 10...
Page 90: ......
Page 91: ...Chapter 4 Functions 4 1 Monitor Mode 4 1 4 2 Function Mode 4 5...
Page 180: ......
Page 181: ...Chapter 5 Maintenance Operations 5 1 Special Display List 5 1 5 2 Troubleshooting 5 5...
Page 188: ......
Page 189: ...Chapter 6 Inspection and Maintenance 6 1 Inspection and Maintenance 6 1 6 2 Storage 6 7...
Page 212: ...7 15 7 5 Options 7 Specifications 3G3AX RBU41 95 75 2 5 208 218 5 145 35 100 5...
Page 230: ......
Page 231: ...Appendix Appendix 1 Parameter List App 1 Appendix 2 Product Life Curve App 17...
Page 249: ...INDEX...
Page 252: ......