Mitsubishi Electric MELSEC iQ-R Series User Manual page 84

Operation of the wave output step action function
The wave output step action function is executed as follows.
'Step action wave
output request' (Un\G188)
'CH1 Wave output
status monitor' (Un\G401)
'CH1 Wave output
step action movement
amount' (Un\G482)
'CH1 Wave output
current address monitor'
(Un\G436, Un\G437)
Analog output value
Performed by the D/A converter module
Address B = Address A + 5000
Address C = Address B - 1000
Change the value in 'Step action wave output request' (Un\G188) from OFF (0) to ON (1) to set the status to "During wave
output step action". By setting a value in 'CH1 Wave output step action movement amount' (Un\G482) during the wave output
step action, the address moves to the address of the target wave data for the output test. Set the amount for movement from
the current wave data address in 'CH1 Wave output step action movement amount' (Un\G482).
After the movement, the value in 'CH1 Wave output step action movement amount' (Un\G482) is changed to No movement
(0) and the wave data of the target address is output in analog.
The available range for movement by using 'CH1 Wave output step action movement amount' (Un\G482) depends on the
setting values of Wave pattern start address setting and Wave pattern data points setting. The following shows the available
range for movement.
Wave pattern
start address
If a value of the wave pattern data points or greater is set for 'CH1 Wave output step action movement amount' (Un\G482), the
operation is proceeding using the value of wave pattern data points.
Execution of the wave output step action function
To use the wave output step action function, the initial setting for the wave output function must be set in advance. For details
on the initial setting for the wave output function, refer to the following.
Page 52 Initial settings of the wave output function
Page 58 Registering wave output data
■Switch to the wave output step action status
Switch the wave output status to the during wave output step action in the following procedure.
1.
Change the value in 'Step action wave output request' (Un\G188)' from OFF (0) to ON (1).
2.
Check that During wave output step action (3) has been set for CH Wave output status monitor in all the channels
where the D/A conversion is enabled.
To execute the wave output step action, check 'Latest error code' (Un\G0) and ERR LED first. Then, after checking that no
error has occurred, change the value in 'Step action wave output request' (Un\G188)' from OFF (0) to ON (1). If the parameter
setting for wave output is not set within the setting range in all the channels that are set to D/A conversion enable, the wave
output step action cannot be executed in all channels.
1 FUNCTIONS
82
1.14 Wave Output Function
OFF(0)
No movement (0) 5000
Address A
Wave pattern
to
start address
ON(1)
During wave output step action (3)
No
-1000
movement
(0)
Address B
Digital value of
the address B
Wave pattern
+
data points
No movement (0)
Address C
Digital value of
the address C
-
1