Fx3 Allocation Mode Function - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

FX3 allocation mode function

This function operates the buffer memory areas of the analog output module with a layout of the buffer memory addresses
equivalent to those in FX3U-4DA.
Operation
In FX3 allocation mode, only allocation of buffer memory area is changed. The following buffer memory area is allocated the
same as FX3U-4DA.
Buffer Memory Areas
Un\G1 to 4
Un\G6
Un\G28
Un\G30
Un\G39
For buffer memories with different allocations from FX3U-4DA, it can be used by changing the program. For buffer memory in
FX3 allocation mode, refer to the following.
Page 287 In FX3 allocation function mode
When reusing the program used by FX3U-4DA, delete the initial setting process and set the module
parameters with GX Works3.
When performing the same operation as FX3U-4DA, it can be executed by the following function.
FX3U-4DA
Output mode specification
Output setting upon PLC stop
Upper lower limit value function
Table output function
Output characteristics adjustment
Initialization function
Disconnection detection
Power supply error
Error status data automatic transfer function
Upper/lower limit function status automatic transfer
function
Disconnection detection status automatic transfer
function
Setting procedure
1.
When adding a new module, select the module whose module model name has "(FX3)" at the end.
[Navigation window]  [Parameter]  [Module Information]  Right-click  [Add New Module]
2.
Configure the same parameter setting as the one of when the Normal mode is used.
3.
After writing the module parameter, turn offon or reset the CPU module.
Switching between normal mode and FX3 allocation mode is not possible during operation.
Buffer Memory Area Name
CH1 to 4 Digital value
Output status
Disconnection detection flag
Module Information
Alarm output flag (upper/lower limit)
FX5-4DA
Range switching function
Analog output HOLD/CLEAR setting
Alert Output Function
Wave output function
Offset/gain setting function
Offset/gain initialization function
Disconnection detection function
External power supply disconnection detection
function
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Reference
Page 185
Page 186
Page 193
Page 203
Page 256
Page 236
Page 199
Page 198
Page 248
Page 248
Page 248
2 FX5-4DA
2.4 Functions
2
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