Mitsubishi Electric MELSEC iQ-R RD75P4, User Manual

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12 DATA USED FOR POSITIONING CONTROL
12.7 Monitor Data
[Md.31] Status
This area stores the on/off state of various flags. The following shows the flags to be stored.
Values are stored in the bits corresponding to each flag. The following table shows the assignment of each external input
signal.
■ Buffer memory address
The following table shows the buffer memory address of this area.
Flag Description Stored
value
In speed control flag This signal, which turns on during the speed control, is used to judge whether the operation is performed
under the speed control or position control. This signal turns off at the power-on, in the position control,
and during the JOG operation or manual pulse generator operation. During the speed-position switching
control or position-speed switching control, this signal turns on only when the speed control is performed.
When the speed control is switched to the position control by the speed-position switching signal, this
signal turns off. When the position control is switched to the speed control by the position-speed switching
signal, this signal turns on. 0: OFF
1: ON
Speed-position switching latch
flag This signal is used to interlock the movement amount change function in the speed-position switching
control. During the speed-position switching control, this signal turns on when the speed control is
switched to the position control. This signal turns off when the next positioning data is processed, and
during the JOG operation or manual pulse generator operation.
Command in-position flag This signal turns on when the remaining distance is equal to or less than the command in-position width
(set by a detailed parameter). This signal remains off with the data for which the continuous path control
(P11) is specified as the operation pattern. The state of this signal is monitored every 0.88ms. It is not
monitored under the speed control or while the speed control is in effect during the speed-position
switching control or position-speed switching control. While operations are performed with interpolation,
this signal turns on only for the starting axis. (This signal turns off for all the axes at the start.)
OPR request flag This signal turns on when the power is switched on, Drive unit READY signal is turned off, PLC READY
signal [Y0] in turned on, or a machine OPR starts. This signal turns off when the machine OPR
completes.
OPR complete flag This signal turns on when a machine OPR completes normally. It turns off when the operation starts,
Drive unit READY signal is turned off, or PLC READY signal [Y0] is turned on.
Position-speed switching latch
flag This signal is used to interlock the command speed change function in the position-speed switching
control. During the position-speed switching control, this signal turns on when the position control is
switched to the speed control. This signal turns off when the next positioning data is processed, and
during the JOG operation or manual pulse generator operation.
Axis warning detection This signal turns on when an axis warning occurs and turns off when Axis error reset is turned on.
Speed change 0 flag This signal turns on when a speed change request is issued with the new speed value being 0 and turns
off when a speed change request issued with a new speed value other than 0.
Buffer memory Assignment of flags
b0 In speed control flag
b1 Speed-position switching latch flag
b2 Command in-position flag
b3 OPR request flag
b4 OPR complete flag
b5 Position-speed switching latch flag
b6 to b8 Use prohibited (fixed to 0)
b9 Axis warning detection
b10 Speed change 0 flag
b11 to b15 Use prohibited (fixed to 0)
Buffer memory name Axis 1 Axis 2 Axis 3 Axis 4
[Md.31] Status 817 917 1017 1117
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b0 b1 b2 b3 b4
0 0 0 0 0 0 0 0