Mitsubishi Electric MELSEC iQ-R Series User Manual page 76

■Execution of the wave output step action
After switching the status to the wave output step action status, execute the wave output step action in the following
procedure. Repeating this procedure tests the analog output during the wave output function execution and debugs the wave
output function.
1.
Change the value of the target wave data for the wave output step action to any value.
2.
Set a value to 'CH1 Wave output step action movement amount' (Un\G482).
Set the following value according to the direction to move.
Movement direction
No movement
Forward movement
Reverse movement
3.
Check that the value in 'CH1 Wave output step action movement amount' (Un\G482) became No movement (0).
4.
Check that 'CH1 Wave output current address monitor' (Un\G436, Un\G437) are the buffer memory addresses of the
wave data to be output.
5.
Check that proper analog values are output.
■End of the wave output step action
End the wave output step action in the following procedure.
1.
Change the value in 'Step action wave output request' (Un\G188) from ON (0) to OFF (1).
2.
Check that Wave output stop (0) has been set to CH Wave output status monitor in all the channels. If a value other
than Wave output stop request (0) has been set to CH Wave output start/stop request, the value is changed to Wave
output stop request (0) forcibly at this timing. Check also the value of this buffer memory area.
To execute the wave output after the wave output step action, set Wave output start request (1) to CH Wave output start/
stop request.
• Analog output may be changed suddenly when a value is set to CH Wave output step action movement
amount. To prevent a sudden change, use of CH Wave output step action movement amount in
combination with CH Output enable/disable flag is recommended. For the combination, refer to the
following.
Page 20 In the wave output mode
• An analog output can be changed at any timing as well by using CH Wave output step action movement
amount in combination with CH Output enable/disable flag during the wave output step action. For details,
refer to the following.
Page 75 Analog output test when the wave output function is used
• During the wave output step action, the wave output status is not changed even when a value is set to CH
Wave output start/stop request. To change the wave output status, set OFF (0) to 'Step action wave output
request' (Un\G188) (set the status to the wave output stop).
1 FUNCTIONS
74
1.14 Wave Output Function
Description
The buffer memory address of the wave data to be output is not moved.
The buffer memory address of the wave data to be output is moved in the address increasing
direction from the buffer memory address of the currently output wave data.
■When 10000 is set in 'CH1 Wave output step action movement amount' (Un\G482) with the
buffer memory address of the currently output wave data being Un\G20000
The buffer memory address of the wave data to be output is changed to Un\G30000.
The buffer memory address of the wave data to be output is moved in the address decreasing
direction from the buffer memory address of the currently output wave data.
■When -10000 is set in 'CH1 Wave output step action movement amount' (Un\G482) with the
buffer memory address of the currently output wave data being Un\G40000
The buffer memory address of the wave data to be output is changed to Un\G30000.
Setting value
0
1 to 30000
-1 to -30000