![background image](http://html1.mh-extra.com/html/omron/3g3ax-mx2-drt-e/3g3ax-mx2-drt-e_user-manual_740780093.webp)
79
APPENDIX F
Flexible Format
The Flexible Format implements I/O data exchange that supports direct map-
ping of MX2-A
@
Inverter Modbus registers in the I/O area. The Flexible For-
mat provides
1.
User configurable allocation of the IO Data to any Modbus register
2.
Flexibility to set the size of the IO data to only transfer the necessary data,
minimising fieldbus traffic.
This offers fieldbus- and profile-independent control of the MX2-A
@
Inverter.
The exchanged registers are configured by setting Inverter registers P160 –
P179 to the appropriate Inverter Modbus addresses.
Note
The MX2-A
@
Inverter places some restrictions on the Modbus register selec-
tion.
• For a Modbus Register to be mapped for output data exchange, it must be
both run-mode editable and writable.
• MX2-A
@
Inverter parameters may not be accessible depending on the
Inverter’s mode (High frequency mode, Permanent magnet mode, Torque
mode, etc).
Tip
Refer to section B-4-2 of the MX2 User’s manual
Tip
Refer to section 3-2-3 of the MX2 User’s manual
Tip
The MX2-A
@
Inverter parameter B031 (Sofware Lock Mode) determines the
various protection levels. Be sure to set the appropriate value B031 = 10 to be
able to set parameter during run-mode.
Tip
When using Flexible Format, the Inverter is controlled via Modbus registers.
Set A001/A201 = 3 and A002/A202 = 3 to make use of the Modbus control
registers for typical Flexible Format use.
Flexible I/O Mapping
Flexible I/O Settings
Please consider the following notes when setting the parameters P160 to
P179.
Note 1
The parameters P160 to P179 determine the size of the input and output data.
The IO size is determined by the highest non-zero parameter. For example for
output: if P164 is the highest non-zero parameter, the output data size will be
Table F-1 Flexible Format I/O Mapping
Word
Offset
Content
Output Area
Input Area
+0
Modbus register set by P160
Modbus register set by P170
+1
Modbus register set by P161
Modbus register set by P171
+2
Modbus register set by P162
Modbus register set by P172
+3
Modbus register set by P163
Modbus register set by P173
+4
Modbus register set by P164
Modbus register set by P174
+5
Modbus register set by P165
Modbus register set by P175
+6
Modbus register set by P166
Modbus register set by P176
+7
Modbus register set by P167
Modbus register set by P177
+8
Modbus register set by P168
Modbus register set by P178
+9
Modbus register set by P169
Modbus register set by P179
Summary of Contents for 3G3AX-MX2-DRT-E
Page 6: ...vi...
Page 14: ...xiv Compliance with EC Directives...
Page 20: ...6 Introduction to DeviceNet Section 1 3...
Page 46: ...32 Monitoring additional Inverter status using COS Section 4 9...
Page 56: ...42 APPENDIX A...
Page 68: ...54 Extended Speed and Acceleration Control IO 110 111 APPENDIX B...
Page 84: ...70 AC DC Drive Object Class 0x2A APPENDIX D...