Internal Relays - Mitsubishi Electric Q172CPU Programming Manual

4 POSITIONING DEDICATED SIGNALS

4.1 Internal Relays

Q173CPU(N)
Device No. Purpose
M0 User device
(2000 points)
to
M2000 Common device
(320 points)
to
M2320 Special relay allocated device
to (Status)
(80 points)
M2400 Axis status
(20 points 32 axes)
Real mode ...... Each axis
to
Virtual mode ... Output module
M3040 Unusable
to
M3072 Common device
(Command signal)
to
(64 points)
Special relay allocated device
M3136
(Command signal)
to
(64 points)
M3200 Axis command signal
(20 points 32 axes)
Real mode ...... Each axis
to
Virtual mode ... Output module
M3840 Unusable
to
The positioning dedicated devices are shown below.
It indicates the device refresh cycle of the Motion CPU for status signal with the
positioning control, and the device fetch cycle of the Motion CPU for command signal
with the positioning control.
The operation cycle and main cycle of the Motion CPU are shown below.
(a) Operation cycle
Item
Number of control axes
Operation cycle
SV22
(Default)
(b) Main cycle is not fixed-cycle as operation cycle. The cycle is dozens[ms] to
hundreds[ms].
(1) Internal relay list
Real Virtual
Q173CPU(N)
Up to 32 axes
0.88[ms] / 1 to 4 axes
1.77[ms] / 5 to 12 axes
3.55[ms] / 13 to 24 axes
7.11[ms] / 25 to 32 axes
Q172CPU(N)
Device No. Purpose
M0 User device
(2000 points)
to
M2000 Common device
(320 points)
to
M2320 Special relay allocated device
(Status)
to
(80 points)
M2400 Axis status
(20 points 8 axes)
Real mode ...... Each axis
to
Virtual mode ... Output module
M2560 Unusable
to
M3072 Common device
(Command signal)
to
(64 points)
Special relay allocated device
M3136
(Command signal)
to
(64 points)
M3200 Axis command signal
(20 points 8 axes)
Real mode ...... Each axis
to
Virtual mode ... Output module
M3360 Unusable
to
4 - 2
Q172CPU(N)
Up to 8 axes
0.88[ms] / 1 to 4 axes
1.77[ms] / 5 to 8 axes
Real Virtual
Real/
virtual
community