Mitsubishi Electric RD77MS16, User Manual

Page: 485 / 644

12 DATA USED FOR POSITIONING CONTROL
12.7 Monitor Data
483
12
[Md.30] External input signal
The ON/OFF state of the external input signal is stored.
The following items are stored.
• Lower limit signal
*1
• Upper limit signal
*1
• Stop signal
*1
• External command signal/switching signal
• Near-point dog signal
*1
*1 This area stores the states of the external input signal (Simple Motion module), external input signal (servo amplifier) or buffer memory
of Simple Motion module set by "[Pr.116] FLS signal selection", "[Pr.117] RLS signal selection", "[Pr.118] DOG signal selection", and
"[Pr.119] STOP signal selection".
Refresh cycle: Operation cycle
■
Reading the monitor value
• Monitoring is carried out with a hexadecimal.
• Buffer memory address
Refer to the following for the buffer memory address in this area.

Page 390 Monitor data
[Md.31] Status
This area stores the states (ON/OFF) of various flags.
Information on the following flags is stored.
■ In speed control flag
This signal that comes ON under the speed control can be used to judge whether the operation is performed under the speed
control or position control. The signal goes OFF when the power is switched ON, under the position control, and during JOG
operation or manual pulse generator operation. During the speed-position or position-speed switching control, this signal
comes ON only when the speed control is in effect. During the speed-position switching control, this signal goes OFF when
the speed-position switching signal executes a switching over from speed control to position control. During the position-
speed switching control, this signal comes ON when the position-speed switching signal executes a switching over from
position control to speed control.
■
Speed-position switching latch flag
This signal is used during the speed-position switching control for interlocking the movement amount change function. During
the speed-position switching control, this signal comes ON when position control takes over. This signal goes OFF when the
next positioning data is processed, and during JOG operation or manual pulse generator operation.
0 0
b15 b12 b4 b0 b8
Not used
Stored items Meaning
b0
b1
b2
b3
b4
b5
b6
b7
Lower limit signal
Upper limit signal
Not used
Stop signal
Not used
Near-point dog signal
Not used
0
0
0
0
0
0
0
0
0: OFF
1: ON
Default value
External command signal/switching signal
Buffer
memory
Monitor value